{"id":22707,"date":"2023-03-12T09:29:27","date_gmt":"2023-03-12T08:29:27","guid":{"rendered":"https:\/\/ceylou.com\/wordpress\/?p=22707"},"modified":"2026-01-15T18:41:00","modified_gmt":"2026-01-15T17:41:00","slug":"cours-meteo-marine","status":"publish","type":"post","link":"https:\/\/ceylou.com\/wordpress\/cours-meteo-marine\/","title":{"rendered":"COURS METEO MARINE"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center\">COURS ET METEO MARINE<\/h2>\n\n\n\n<h5 class=\"wp-block-heading has-text-align-center has-luminous-vivid-amber-background-color has-background\"><a href=\"https:\/\/ceylou.com\/wordpress\/cours-theoriques-voile-tutos\/\"> TOUS LES TUTOS ET COURS DE VOILE BRIGANTINE>LIRE<\/a><\/h5>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>Un cours de m\u00e9t\u00e9o pourquoi<\/strong>?:<br> <strong>En voilier, nous sommes en grande partie tributaires de la m\u00e9t\u00e9o marine. Il peut suffire parfois de pas grand-chose, pour transformer une navigation paisible en vrai cauchemar\u2009!<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>La m\u00e9t\u00e9o reste malgr\u00e9 tout une science complexe qui peut \u00eatre perturb\u00e9e par de nombreux facteurs. Tout est dit !!!<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La&nbsp;<strong>m\u00e9t\u00e9orologie maritime<\/strong>&nbsp;est une sp\u00e9cialit\u00e9 de&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/M%C3%A9t%C3%A9orologie\">m\u00e9t\u00e9orologie<\/a>&nbsp;concernant le domaine marin&nbsp;: vents,&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Houle\">houle<\/a>, temp\u00e9ratures air et eau,&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Mar%C3%A9e\">mar\u00e9es<\/a>, etc<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La&nbsp;<strong>houle&nbsp;<\/strong>est un mouvement ondulatoire de la surface de la&nbsp;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Mer\">mer<\/a>&nbsp;qui est form\u00e9 par un champ de vent \u00e9loign\u00e9 de la zone d&#8217;observation (vent lointain)<sup><a href=\"https:\/\/fr.wikipedia.org\/wiki\/Houle\">1<\/a><\/sup><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\"><strong>Les symboles \u00e0 connaitre pour lire une carte marine.<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pour comprendre les cartes de m\u00e9t\u00e9o marine, il vous faudra connaitre les symboles suivants.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"570\" src=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image.png?resize=860%2C570&#038;ssl=1\" alt=\"\" class=\"wp-image-22708\" style=\"width:506px;height:335px\" srcset=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image.png?resize=860%2C570&amp;ssl=1 860w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image.png?resize=380%2C252&amp;ssl=1 380w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image.png?resize=768%2C509&amp;ssl=1 768w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image.png?resize=600%2C398&amp;ssl=1 600w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image.png?w=960&amp;ssl=1 960w\" sizes=\"auto, (max-width: 860px) 100vw, 860px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ils sont de moins en moins utilis\u00e9s, mais lorsque vous les rencontrez il faudra les comprendre\u2009!<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"802\" height=\"626\" src=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-1.png?resize=802%2C626&#038;ssl=1\" alt=\"\" class=\"wp-image-22709\" style=\"width:802px;height:626px\" srcset=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-1.png?w=802&amp;ssl=1 802w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-1.png?resize=380%2C297&amp;ssl=1 380w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-1.png?resize=768%2C599&amp;ssl=1 768w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-1.png?resize=600%2C468&amp;ssl=1 600w\" sizes=\"auto, (max-width: 802px) 100vw, 802px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img data-recalc-dims=\"1\" height=\"675\" width=\"860\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image.jpeg?resize=860%2C675&#038;ssl=1\" alt=\"\" class=\"wp-image-22711\" style=\"width:726px;height:570px\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img data-recalc-dims=\"1\" height=\"525\" width=\"860\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-1.jpeg?resize=860%2C525&#038;ssl=1\" alt=\"\" class=\"wp-image-22712\" style=\"width:735px;height:448px\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\">Explications du tableau<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Les deux premi\u00e8res lignes<\/strong> du tableau donnent la date et l&#8217;heure pour la pr\u00e9vision qui se situe sur les lignes d&#8217;en dessous. Plus on va vers la droite du tableau, plus les pr\u00e9visions sont lointaines. Les pr\u00e9visions se prolongent sur une seconde ligne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>La&nbsp;<a href=\"https:\/\/derivoile.fr\/theorie-meteo-mesureduvent.html\">force du vent<\/a><\/strong>&nbsp;pr\u00e9vue est indiqu\u00e9e en n\u0153uds sur la ligne suivante.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>La ligne suivante indique la&nbsp;<a href=\"https:\/\/derivoile.fr\/theorie-meteo-mesureduvent.html\">direction du vent<\/a><\/strong>&nbsp;pr\u00e9vu. Passez votre souris sur la fl\u00e8che pour conna\u00eetre la direction pr\u00e9cise (cela ne fonctionne pas sur l&#8217;image ci-dessus). Par exemple, le mardi 28 juin 2011 \u00e0 14h, il est pr\u00e9vu un vent de Nord-Ouest (320\u00b0) d&#8217;environ 11 n\u0153uds, avec un maximum de 12 n\u0153uds dans les rafales.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Les trois lignes suivantes concernent les vagues<\/strong>. Seulement quelques spots situ\u00e9s sur l&#8217;oc\u00e9an disposent de ces informations.<br><strong> En premier<\/strong>, on a la hauteur des vagues en m\u00e8tres (hauteur moyenne du creux \u00e0 la cr\u00eate des plus grosses vagues),<br><strong>puis la p\u00e9riode en secondes,<\/strong> et enfin la direction moyenne des vagues. Par exemple, le dimanche 26 juin \u00e0 8h, il est pr\u00e9vu des vagues d&#8217;environ 1,2 m\u00e8tres de haut toutes les 6 secondes et venant de l&#8217;Ouest.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>La ligne suivante nous donne la temp\u00e9rature<\/strong> pr\u00e9vue. Encore une fois, un code de couleur du blanc au rouge permet de l&#8217;int\u00e9grer facilement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Les trois lignes suivantes renseignent sur les nuages pr\u00e9vus<\/strong>. Chaque ligne correspond \u00e0 une altitude (de haut en bas : haute altitude, moyenne altitude, basse altitude). La couverture nuageuse est donn\u00e9e en pourcentages et correspond \u00e0 la quantit\u00e9 de nuages dans le ciel. Plus le pourcentage est \u00e9lev\u00e9, plus il devrait y avoir de nuages. Par exemple, le lundi 27 juin \u00e0 11h, il est pr\u00e9vu au Havre beaucoup de nuages de haute altitude, alors qu&#8217;il est pr\u00e9vu grand beau temps le matin du samedi 2 juillet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ensuite, on a les pr\u00e9visions concernant les pr\u00e9cipitations<\/strong>. Ces donn\u00e9es correspondent \u00e0 la quantit\u00e9 moyenne (g\u00e9n\u00e9ralement sur 3h) en millim\u00e8tres de pluie pr\u00e9vue. Par exemple,&nbsp;<em>Windguru<\/em>&nbsp;pr\u00e9voit de la pluie le matin du mardi 28 juin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Enfin, ce tableau nous donne la \u00ab Note&nbsp;<em>Windguru<\/em>&nbsp;<\/strong>\u00bb calcul\u00e9e \u00e0 partir du vent et du temps pr\u00e9vu : cette note s&#8217;adresse essentiellement aux v\u00e9liplanchistes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\">Attention aux diff\u00e9rences selon le syst\u00e8me utilis\u00e9.<\/h3>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><br><a href=\"https:\/\/ceylou.com\/wordpress\/comprendre-la-meteo\/\"><strong>Comprendre les syst\u00e8mes m\u00e9t\u00e9o<\/strong><\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"418\" src=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-3.png?resize=860%2C418&#038;ssl=1\" alt=\"\" class=\"wp-image-22713\" srcset=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-3.png?resize=860%2C418&amp;ssl=1 860w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-3.png?resize=380%2C185&amp;ssl=1 380w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-3.png?resize=768%2C373&amp;ssl=1 768w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-3.png?resize=600%2C292&amp;ssl=1 600w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-3.png?w=1004&amp;ssl=1 1004w\" sizes=\"auto, (max-width: 860px) 100vw, 860px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Les deux premi\u00e8res lignes du tableau<\/strong><br>La premi\u00e8re donne la date<br>La deuzi\u00e8me donnent l&#8217;heure pour la pr\u00e9vision qui se situe sur les lignes d&#8217;en dessous. Plus on va vers la droite du tableau, plus les pr\u00e9visions sont lointaines. Les pr\u00e9visions se prolongent sur une seconde ligne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>La&nbsp;<a href=\"https:\/\/derivoile.fr\/theorie-meteo-mesureduvent.html\">force du vent<\/a><\/strong>&nbsp;pr\u00e9vue est indiqu\u00e9e en n\u0153uds sur la ligne suivante.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Les trois lignes suivantes concernent les vagues<\/strong>.<br> Seulement certains spots situ\u00e9s sur l&#8217;oc\u00e9an disposent de ces informations. En premier, on a la hauteur des vagues en m\u00e8tres (hauteur moyenne du creux \u00e0 la cr\u00eate des plus grosses vagues), puis la p\u00e9riode en secondes, et enfin la direction moyenne des vagues. Par exemple, le dimanche 26 juin \u00e0 8h, il est pr\u00e9vu des vagues d&#8217;environ 1,2 m\u00e8tres de haut toutes les 6 secondes et venant de l&#8217;Ouest.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>La ligne suivante indique la&nbsp;<a href=\"https:\/\/derivoile.fr\/theorie-meteo-mesureduvent.html\">direction du vent<\/a>&nbsp;<\/strong>pr\u00e9vu.<br> Passez votre souris sur la fl\u00e8che pour conna\u00eetre la direction pr\u00e9cise (cela ne fonctionne pas sur l&#8217;image ci-dessus). Par exemple, le mardi 28 juin 2011 \u00e0 14h, il est pr\u00e9vu un vent de Nord-Ouest (320\u00b0) d&#8217;environ 11 n\u0153uds, avec un maximum de 12 n\u0153uds dans les rafales.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>La ligne suivante nous donne la temp\u00e9rature pr\u00e9vue<\/strong>. Encore une fois, un code de couleur du blanc au rouge permet de l&#8217;int\u00e9grer facilement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Les trois lignes suivantes renseignent sur les nuages pr\u00e9vus<\/strong>. <br>Chaque ligne correspond \u00e0 une altitude (de haut en bas : haute altitude, moyenne altitude, basse altitude). La couverture nuageuse est donn\u00e9e en pourcentages et correspond \u00e0 la quantit\u00e9 de nuages dans le ciel. Plus le pourcentage est \u00e9lev\u00e9, plus il devrait y avoir de nuages. Par exemple, le lundi 27 juin \u00e0 11h, il est pr\u00e9vu au Havre beaucoup de nuages de haute altitude, alors qu&#8217;il est pr\u00e9vu grand beau temps le matin du samedi 2 juillet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ensuite, on a les pr\u00e9visions concernant les pr\u00e9cipitations<\/strong>. Ces donn\u00e9es correspondent \u00e0 la quantit\u00e9 moyenne (g\u00e9n\u00e9ralement sur 3h) en millim\u00e8tres de pluie pr\u00e9vue. Par exemple,&nbsp;<em>Windguru<\/em>&nbsp;pr\u00e9voit de la pluie le matin du mardi 28 juin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Enfin, ce tableau nous donne la \u00ab Note&nbsp;<em>Windguru<\/em>&nbsp;\u00bb <\/strong>calcul\u00e9e \u00e0 partir du vent et du temps pr\u00e9vu : cette note s&#8217;adresse essentiellement aux v\u00e9liplanchistes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\"><strong>LES SEULS ELEMENTS FIABLES A 100 %<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>Le&nbsp;<\/strong><b>barom\u00e8tres<\/b><\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>circulation atmosph\u00e9rique,&nbsp;<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>sens des vents<\/strong>.<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>types de nuages.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\"><strong>LA PRESSION ATMOSPH\u00c9RIQUE &#8211; COURS M\u00c9T\u00c9O<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La&nbsp;pression en hectopascal&nbsp;(hPa). <strong>1 hectopasca<\/strong>l \u00e9quivaut \u00e0 100 Pascals (Pa) ou encore \u00e0 1<strong>&nbsp;millibar<\/strong>&nbsp;la pression atmosph\u00e9rique peut \u00eatre associ\u00e9e \u00e0 la pression qu&#8217;exerce&nbsp;<strong>l&#8217;air sur un point donn\u00e9 a un endroit pr\u00e9cis<\/strong>,<br> la pression atmosph\u00e9rique est donc le <strong>poids exerc\u00e9 par une colonne d\u2019air<\/strong> partant du sol et s\u2019\u00e9tirant jusqu\u2019au sommet de l\u2019atmosph\u00e8re.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La pression se mesure \u00e0 l&#8217;aide d&#8217;un barom\u00e8tre et s&#8217;exprime en<em>&nbsp;hecto pascal <\/em>ou en <em>millibar.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Au niveau de la mer<\/strong>, la pression moyenne est de 1 013.25 hPa. M\u00e9t\u00e9orologiquement parlant,<br> d\u00e8s lors que la pression descend en<strong> dessous de 1 010 hPa, il s&#8217;agit de basses pressions <\/strong>(dit aussi : \u00ab conditions d\u00e9pressionnaires \u00bb). Le vent est plut\u00f4t fort et le temps est mauvais avec un ciel souvent fort encombr\u00e9 et des pr\u00e9cipitations fr\u00e9quentes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A contrario, lorsque la<strong> pression d\u00e9passe 1 015 hPa, <\/strong>on parle alors de <strong>hautes pressions<\/strong> (dit aussi : \u00ab conditions<strong> anticycloniques<\/strong> \u00bb). Le vent est faible et le temps est beau avec un ciel souvent bien d\u00e9gag\u00e9.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"284\" src=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-4.png?resize=860%2C284&#038;ssl=1\" alt=\"\" class=\"wp-image-22715\" style=\"width:756px;height:249px\" srcset=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-4.png?resize=860%2C284&amp;ssl=1 860w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-4.png?resize=380%2C126&amp;ssl=1 380w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-4.png?resize=768%2C254&amp;ssl=1 768w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-4.png?resize=600%2C198&amp;ssl=1 600w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-4.png?w=932&amp;ssl=1 932w\" sizes=\"auto, (max-width: 860px) 100vw, 860px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"555\" src=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-5.png?resize=860%2C555&#038;ssl=1\" alt=\"\" class=\"wp-image-22716\" srcset=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-5.png?resize=860%2C555&amp;ssl=1 860w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-5.png?resize=380%2C245&amp;ssl=1 380w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-5.png?resize=768%2C495&amp;ssl=1 768w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-5.png?resize=600%2C387&amp;ssl=1 600w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-5.png?w=1234&amp;ssl=1 1234w\" sizes=\"auto, (max-width: 860px) 100vw, 860px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\"><strong>Circulation atmosph\u00e9rique et m\u00e9t\u00e9o marine.<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Tout d\u2019abord, il faut comprendre que comme la terre tourne, elle cr\u00e9e un mouvement des courants et des vents dominant.<br><strong>Voici une image id\u00e9alis\u00e9e des trois cellules de circulation atmosph\u00e9rique.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"639\" src=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-6.png?resize=860%2C639&#038;ssl=1\" alt=\"\" class=\"wp-image-22717\" srcset=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-6.png?resize=860%2C639&amp;ssl=1 860w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-6.png?resize=380%2C282&amp;ssl=1 380w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-6.png?resize=768%2C571&amp;ssl=1 768w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-6.png?resize=600%2C446&amp;ssl=1 600w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-6.png?w=1200&amp;ssl=1 1200w\" sizes=\"auto, (max-width: 860px) 100vw, 860px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Les vents sont plus ou moins r\u00e9guliers en fonctions des saisons et des zones g\u00e9ographiques, mais assez stables pour programmer les grandes lignes d\u2019un voyage.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"379\" src=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-7.png?resize=860%2C379&#038;ssl=1\" alt=\"\" class=\"wp-image-22718\" style=\"width:813px;height:358px\" srcset=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-7.png?resize=860%2C379&amp;ssl=1 860w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-7.png?resize=380%2C167&amp;ssl=1 380w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-7.png?resize=768%2C338&amp;ssl=1 768w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-7.png?resize=600%2C264&amp;ssl=1 600w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-7.png?w=1208&amp;ssl=1 1208w\" sizes=\"auto, (max-width: 860px) 100vw, 860px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\"><strong>La base de la m\u00e9t\u00e9o avec le sens des vents.<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Pour travailler sur le sens des vents, il faut d\u00e9j\u00e0 connaitre&nbsp;<strong>la loi de Buys-Ballot<\/strong>, cons\u00e9quence directe de la force de<strong> Coriolis<\/strong> (rotation de la Terre).<br><strong>Elle permet de d\u00e9terminer que le sens des vents n\u2019est pas le m\u00eame entre les deux h\u00e9misph\u00e8res (nord et sud).<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ainsi, dans l\u2019h\u00e9misph\u00e8re nord,<\/strong> les vents d\u2019un anticyclone tourneront dans le <strong>sens des aiguilles<\/strong> d\u2019une montre tandis que ceux d\u2019une <strong>d\u00e9pression<\/strong> <strong>tourneront dans le sens inverse.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dans l\u2019h\u00e9misph\u00e8re sud<\/strong>, on constatera le ph\u00e9nom\u00e8ne <strong>contraire.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\">les 4 r\u00e9gimes de vent en europe<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"288\" src=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-9.png?resize=860%2C288&#038;ssl=1\" alt=\"\" class=\"wp-image-22720\" style=\"width:840px;height:281px\" srcset=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-9.png?resize=860%2C288&amp;ssl=1 860w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-9.png?resize=380%2C127&amp;ssl=1 380w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-9.png?resize=768%2C257&amp;ssl=1 768w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-9.png?resize=600%2C201&amp;ssl=1 600w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-9.png?w=1200&amp;ssl=1 1200w\" sizes=\"auto, (max-width: 860px) 100vw, 860px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\">LES BRISES THERMIQUES.<\/h3>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>Les brises thermiques sont des vents locaux<\/strong><br><strong> dont l&#8217;origine est la diff\u00e9rence de temp\u00e9rature entre les surfaces marines ou lacustres et terrestres<\/strong>. <br>En raison de ces<strong> gradients<\/strong>, des mouvements verticaux des couches d&#8217;air se produisent, provoquant des vides et des d\u00e9s\u00e9quilibres de pression.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\"> Brise thermique en image<\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" height=\"692\" width=\"860\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-2.jpeg?resize=860%2C692&#038;ssl=1\" alt=\"\" class=\"wp-image-22721\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\">MARAIS BAROMETRIQUE<\/h3>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Exemple Voir carte ci-dessous<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Nous sommes dans l\u2019h\u00e9misph\u00e8re sud (Tahiti au centre de la carte, <br>la Nouvelle-Z\u00e9lande en bas \u00e0 gauche).<br><strong>Vous pouvez constater que plus les isobares sont proches (serr\u00e9s), <\/strong><br><strong>plus le vent est fort<\/strong>&nbsp;(couleur allant vers le rouge fonc\u00e9).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u00c0 l\u2019oppos\u00e9, un tr\u00e8s grand \u00e9cart entre deux lignes cr\u00e9er un marais barom\u00e9trique ou il n\u2019y aura pas beaucoup de vent.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Le creux barom\u00e9trique<\/strong> est un allongement d\u2019une partie d\u2019une d\u00e9pression entre deux anticyclones. De chaque c\u00f4t\u00e9 du creux, le vent souffle dans un sens diff\u00e9rent.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"464\" src=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-3.jpeg?resize=860%2C464&#038;ssl=1\" alt=\"\" class=\"wp-image-22722\" srcset=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-3.jpeg?resize=860%2C464&amp;ssl=1 860w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-3.jpeg?resize=380%2C205&amp;ssl=1 380w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-3.jpeg?resize=768%2C415&amp;ssl=1 768w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-3.jpeg?resize=600%2C324&amp;ssl=1 600w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-3.jpeg?w=1226&amp;ssl=1 1226w\" sizes=\"auto, (max-width: 860px) 100vw, 860px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\">LES NUAGES<\/h3>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>La m\u00e9t\u00e9o marine avec les nuages<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Si vous \u00eates en pleine mer, <strong>plus fiable que les bulletins m\u00e9t\u00e9o pour<\/strong> pr\u00e9voir le temps sur votre zone \u00e0 court terme&nbsp;: <strong>la lecture des nuages.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Il en existe de toutes sortes et si vous savez les reconnaitre, ils vous donneront des informations pr\u00e9cieuses sur la m\u00e9t\u00e9o des heures \u00e0 venir\u2009!<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center\"><strong>La formation des nuages<\/strong><\/h4>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Les nuages\u2026 il y a tellement de sortes diff\u00e9rentes que l\u2019on s\u2019y perd\u2026<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\"><a href=\"https:\/\/ceylou.com\/wordpress\/analyse-meteo-les-nuages\/\"><strong>Les nuages comment \u00e7a marche<\/strong><\/a><\/h3>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Ils ne sont que vapeur d&#8217;eau et pourtant ils nous disent beaucoup de choses.<br><strong>Comment ils se forment?<\/strong> simple et basique.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"772\" height=\"576\" src=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-11.png?resize=772%2C576&#038;ssl=1\" alt=\"\" class=\"wp-image-22724\" style=\"width:772px;height:576px\" srcset=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-11.png?w=772&amp;ssl=1 772w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-11.png?resize=380%2C284&amp;ssl=1 380w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-11.png?resize=768%2C573&amp;ssl=1 768w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-11.png?resize=600%2C448&amp;ssl=1 600w\" sizes=\"auto, (max-width: 772px) 100vw, 772px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center\">Reconnaitre les diff\u00e9rends types de nuages<\/h4>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"188\" src=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2020\/05\/Nuages-TYPES-e1607816928949.png?resize=250%2C188&#038;ssl=1\" alt=\"M\u00e9t\u00e9o types de nuages\" class=\"wp-image-4150\" style=\"width:527px;height:396px\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>Moyens mn\u00e9motechniques:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Stratus:<\/strong> Les nuages forment une couche dense et compacte.<br>Quel que soit l&#8217;\u00e9tage leur nom contient la racine latine <strong><em>&#8220;stratus&#8221;<\/em><\/strong><br>exemple: <em><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">Cirrostratus, altostratus, stratus<\/mark><\/em>.<\/li>\n\n\n\n<li><strong>Cumulus<\/strong>: Ces nuages ont des formes facilement identifiables et sont distincts les uns des autres.<br>Leur nom contient la racine latine <strong><em>&#8220;Cumulus&#8221;<\/em><\/strong>.<br>-exemple: <em><span class=\"has-inline-color has-vivid-red-color\">cirrocumulus, altocumulus, cumulus .<\/span><\/em><\/li>\n\n\n\n<li><strong>Stratocumulus <\/strong>: Les nuages pr\u00e9sentent <strong>les 2 caract\u00e9ristiques<\/strong> pr\u00e9c\u00e9dentes, <br><strong>alors<\/strong> ils combinent logiquement les 2 racines.<br>-exemple:<em><code><span class=\"has-inline-color has-vivid-red-color\">stratocumulus<\/span><\/code><\/em><\/li>\n\n\n\n<li><strong>NimbUS <\/strong>: Si les nuages sont charg\u00e9s d&#8217;eau ils contiennent la <em>racine latine<\/em> <strong><em>&#8220;Nimb&#8221;<\/em><\/strong>;<br>-ex: <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">nimb<\/mark>ostratus,cumulo<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">nimb<\/mark>us.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\"><a href=\"https:\/\/ceylou.com\/wordpress\/wp-admin\/post.php?post=4149&amp;action=edit\">les nuages plus d&#8217;infos<\/a><\/h3>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center\">Les fronts<\/h4>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Quand une masse d&#8217;air froid rencontre une masse d&#8217;air chaud ou l&#8217;inverse. <br><strong>Attention ne pas confondre front et lignes de pression isobarariques<\/strong><br>Le front est une masse d&#8217;air qui se d\u00e9place, voir carte ci-dessous<br>en rouge les fronts chauds en bleu les front froid.<br>on peut constater carte de droite, que le front part du centre de la d\u00e9pression <br>et s&#8217;\u00e9tend de l&#8217;isobare 990 sud est Irlande jusqu&#8217;\u00e0 la corse<br> en coupant les isobares 995,1000,1005,1010 1015<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"396\" src=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/frontisobare.png?resize=860%2C396&#038;ssl=1\" alt=\"Meteo Diff\u00e9rence entre front et isobares\" class=\"wp-image-37450\" style=\"aspect-ratio:2.1717171717171717;width:822px;height:auto\" srcset=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/frontisobare.png?resize=860%2C396&amp;ssl=1 860w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/frontisobare.png?resize=380%2C175&amp;ssl=1 380w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/frontisobare.png?resize=768%2C354&amp;ssl=1 768w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/frontisobare.png?w=1176&amp;ssl=1 1176w\" sizes=\"auto, (max-width: 860px) 100vw, 860px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><br><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"856\" height=\"860\" src=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/meteo-front-froid-et-chaud.png?resize=856%2C860&#038;ssl=1\" alt=\"\" class=\"wp-image-22726\" srcset=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/meteo-front-froid-et-chaud.png?resize=856%2C860&amp;ssl=1 856w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/meteo-front-froid-et-chaud.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/meteo-front-froid-et-chaud.png?resize=378%2C380&amp;ssl=1 378w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/meteo-front-froid-et-chaud.png?resize=768%2C771&amp;ssl=1 768w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/meteo-front-froid-et-chaud.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/meteo-front-froid-et-chaud.png?resize=100%2C100&amp;ssl=1 100w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/meteo-front-froid-et-chaud.png?resize=600%2C603&amp;ssl=1 600w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/meteo-front-froid-et-chaud.png?w=886&amp;ssl=1 886w\" sizes=\"auto, (max-width: 856px) 100vw, 856px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>Soit vous \u00eates situ\u00e9 avant le front<\/strong> <br><strong>soit vous l&#8217;avez d\u00e9pass\u00e9<\/strong> <br>et vous \u00eates alors dans la d\u00e9pression ou l&#8217;anticyclone selon que c&#8217;est un front froid ou un front chaud.<br>c&#8217;est la barri\u00e8re le passage \u00e0 niveau c&#8217;est aussi l&#8217;endroit ou vous pouvez adapter votre navigation en utilisant les fronts pour naviguer.<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Les fronts se suivent et certaines fois ils se rattrape et se ferme c&#8217;est une occlusion.<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Ils sont indiqu\u00e9s sur les cartes m\u00e9t\u00e9o de la mani\u00e8re suivante.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"802\" height=\"612\" src=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/front-meteo.png?resize=802%2C612&#038;ssl=1\" alt=\"\" class=\"wp-image-22727\" style=\"width:615px;height:469px\" srcset=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/front-meteo.png?w=802&amp;ssl=1 802w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/front-meteo.png?resize=380%2C290&amp;ssl=1 380w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/front-meteo.png?resize=768%2C586&amp;ssl=1 768w, https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/front-meteo.png?resize=600%2C458&amp;ssl=1 600w\" sizes=\"auto, (max-width: 802px) 100vw, 802px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Un front occlus ou occlusion est&nbsp;<strong>le moment o\u00f9 le front froid, plus rapide, a rejoint le front chaud dans la circulation d&#8217;une perturbation<\/strong>. Lorsque le front froid atteint le front chaud, l&#8217;air chaud devient de plus en plus pinc\u00e9 ou coinc\u00e9 entre les deux fronts. Il sera soulev\u00e9 en altitude et le syst\u00e8me devient occlus.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\">Le cumulo nimbus<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">comme vue plus haut le terme Nimb signifie charg\u00e9 d&#8217;eau.<br>Le cumulo nimbus est une gros cumulus charg\u00e9 de beaucoup d&#8217;eau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Le cumulonimbus en mer<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">On peut consid\u00e9rer que c\u2019est le plus \u00ab\u2009important\u2009\u00bb des nuages, surtout si vous \u00eates en pleine mer.<br><strong>Dedans vous y trouverez de la pluie, du vent et m\u00eame de l\u2019orage<\/strong>&nbsp;si vous avez de la chance^^<br>En navigation il est pr\u00e9f\u00e9rable de les \u00e9viter si possible, en anticipant et en changeant le cap.<br>Pour cela il vous faudra observer r\u00e9guli\u00e8rement les nuages tout autour de vous (une partie de la veille visuelle obligatoire), et d\u2019analyser leurs d\u00e9placements sur la zone par rapport \u00e0 vous.<br>Voici ce qu\u2019il se passe dans un cumulonimbus.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img data-recalc-dims=\"1\" height=\"637\" width=\"860\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image-4.jpeg?resize=860%2C637&#038;ssl=1\" alt=\"\" class=\"wp-image-22728\" style=\"width:790px;height:585px\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Trucs et astuces brigantine:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><br>En r\u00e9gate il est plus interressant d&#8217;aborder le nuage en b\u00e2bord amure puis de virer dedans quand le vent refuse, ce qui permet de prendre 2 adonnantes successives. Et ainsi monter en cap vers l&#8217;objectif. &#8230;&#8230;..eh eh eh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour terminer inutile d&#8217;\u00eatre champion du monde de m\u00e9t\u00e9o et de lire et apprendre tous sur les centaines de sites qui parle de la m\u00e9t\u00e9o.<br>Il faut savoir rester simple.<br>Ne pas prendre la mer quand la m\u00e9t\u00e9o annonc\u00e9e semble forte, mauvaise.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La fiabilit\u00e9 des informations m\u00e9t\u00e9o n&#8217;exc\u00e8de que tr\u00e8s rarement 3 jours.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ne prenez pas de risques ne jouez pas au grand analyste m\u00e9t\u00e9o.<br>Certains port ne sont pas accessibles par vent de 30n\u0153uds aussi bien \u00e0 l&#8217;entr\u00e9e qu&#8217;\u00e0 la sortie. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les mouillages dans les criques sont ceux qui occasionnent le plus de d\u00e9g\u00e2ts, avaries et naufrages selon les assurances et la snsm.<br>Mouiller par 5 m\u00e8tre s de fond  la mer risque de vite d\u00e9ferl\u00e9e. les taquets risques de casser.<br>Mouiller par 10 m\u00e8tres de fond il faut avoir au minimum 60 m\u00e8tres de chaines et \u00e0 ma connaissance les voiliers de locations ne sont \u00e9quip\u00e9s que de 15 \u00e0 30 m\u00e8tres de chaines, ce qui signifie que M\u00e9diterran\u00e9e c&#8217;est tr\u00e8s tr\u00e8s hasardeux.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les derni\u00e8res temp\u00eates les bateaux  m\u00e9me mouill\u00e9s sur des bou\u00e9es et dans des criques soi-disant prot\u00e9g\u00e9es ont eu des avaries graves, de plus elles sont encombr\u00e9es et les contacts sont sauvagement destructifs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">J&#8217;ai connu des criques en Corse dans des calanques hyper prot\u00e9g\u00e9es les vents il y a eu pendant un orage des vents \u00e0 plus 50 n\u0153uds occasion par l&#8217;acc\u00e9l\u00e9ration due \u00e0 l&#8217;effet Venturie et tout le monde \u00e9tait en vrac s\u00e9v\u00e8re (un bateau est venu s&#8217;encastr\u00e9 sur nous en travers sur notre chaine de mouillage &#8230;&#8230;. gros boulot pour sortir de l\u00e0.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Alors ne r\u00eavez surtout pas \u00e7a peut vite tourner au cauchemar.<br>Autre \u00e9norme probl\u00e8me. ne laissez jamais, jamais un bateau seul sans au moins une persone \u00e0 bord qui sache man\u0153uvrer, <strong>oubliez l&#8217;id\u00e9e<\/strong>&#8221; tout le monde \u00e0 terre dans l&#8217;annexe&#8221;.<br>J&#8217;ai connu des gens en Bretagne qui \u00e9taient aller \u00e0 terre boire un coup et qui n&#8217;ont pas pu revenir \u00e0 bord parce que  \u00e7a soufflait trop fort.<br>d&#8217;autres qui pagayaient d\u00e9sesp\u00e9r\u00e9ment derri\u00e8re leur bateau pour tenter de le rattraper alors qu&#8217;il avait rompu son formidable mouillage &#8220;fait selon les r\u00e8gles&#8221;.<br>Un voilier au mouillage sur ancre \u00e7a peut d\u00e9raper eh eh eh!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00eame dans des petits ports mals orient\u00e9s la coque peut venir taper tr\u00e8s fort contre un quai et occasionner des d\u00e9g\u00e2ts.<br><strong>Prudence, prudence il y a loin de r\u00eave \u00e0 la r\u00e9alit\u00e9.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>M\u00e9fiez vous!<\/strong> n&#8217;\u00e9coutez pas radio ponton, il y a toujours des gars pour vous expliquer que ceci que cela&#8230;&#8230;.ect, etc, etc  et que eux ils sortent par 40 n\u0153uds de vent&#8230;..<strong>bla bla bla!<\/strong>. Comme ont dit dans le midi &#8220;sans doute pour p\u00eacher les calamars au pied de la falaise&#8221; ne soyez pas le calamar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les anciens disaient &#8220;<em>soit il n&#8217;y a pas de vent, soit il y a du vent, soit il y a trop de vent<\/em>&#8221; simple, facile, efficace.<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><a href=\"https:\/\/ceylou.com\/wordpress\/meteo-marine-gratuite\/\">RETOUR PAGE METEO BRIGANTINE<\/a><\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><a href=\"https:\/\/ceylou.com\/wordpress\/cours-theoriques-voile-tutos\/\">ACCES TOUS NOS TUTOS ET COURS DE VOILE BRIGANTINE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>En voilier, nous sommes en grande partie tributaires de la m\u00e9t\u00e9o. Il peut suffire parfois de pas grand-chose, pour transformer une navigation paisible en vrai cauchemar\u2009!<\/p>\n<p>La m\u00e9t\u00e9o reste malgr\u00e9 tout une science complexe qui peut \u00eatre perturb\u00e9e par de nombreux facteurs. Tout est dit !!!<\/p>\n<p>La\u00a0m\u00e9t\u00e9orologie maritime\u00a0est une sp\u00e9cialit\u00e9 de\u00a0m\u00e9t\u00e9orologie\u00a0concernant le domaine marin\u00a0: vents,\u00a0houle, temp\u00e9ratures air et eau,\u00a0mar\u00e9es, etc<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_uf_show_specific_survey":0,"_uf_disable_surveys":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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Il suffit parfois d&#039;un rien, pour transformer une navigation paisible en cauchemar\u2009! vents,\u00a0houle, temp\u00e9ratures air et eau,\u00a0mar\u00e9es,\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ceylou.com\/wordpress\/cours-meteo-marine\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"COURS METEO MARINE - BRIGANTINE\" \/>\n<meta property=\"og:description\" content=\"La m\u00e9t\u00e9o: En voilier, nous sommes tributaires de la m\u00e9t\u00e9o. Il suffit parfois d&#039;un rien, pour transformer une navigation paisible en cauchemar\u2009! vents,\u00a0houle, temp\u00e9ratures air et eau,\u00a0mar\u00e9es,\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ceylou.com\/wordpress\/cours-meteo-marine\/\" \/>\n<meta property=\"og:site_name\" content=\"BRIGANTINE\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/groups\/693945317450065\" \/>\n<meta property=\"article:published_time\" content=\"2023-03-12T08:29:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-15T17:41:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i0.wp.com\/ceylou.com\/wordpress\/wp-content\/uploads\/2023\/03\/image.png?fit=960%2C636&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"960\" \/>\n\t<meta property=\"og:image:height\" content=\"636\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Morpho\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Morpho\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"17 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/ceylou.com\\\/wordpress\\\/cours-meteo-marine\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ceylou.com\\\/wordpress\\\/cours-meteo-marine\\\/\"},\"author\":{\"name\":\"Morpho\",\"@id\":\"https:\\\/\\\/ceylou.com\\\/wordpress\\\/#\\\/schema\\\/person\\\/0f6625c6cd3267bec1d8e7c9024f8570\"},\"headline\":\"COURS METEO MARINE\",\"datePublished\":\"2023-03-12T08:29:27+00:00\",\"dateModified\":\"2026-01-15T17:41:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/ceylou.com\\\/wordpress\\\/cours-meteo-marine\\\/\"},\"wordCount\":2732,\"publisher\":{\"@id\":\"https:\\\/\\\/ceylou.com\\\/wordpress\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/ceylou.com\\\/wordpress\\\/cours-meteo-marine\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ceylou.com\\\/wordpress\\\/wp-content\\\/uploads\\\/2023\\\/03\\\/image-860x570.png\",\"articleSection\":[\"Cours\",\"Cours th\u00e9oriques\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ceylou.com\\\/wordpress\\\/cours-meteo-marine\\\/\",\"url\":\"https:\\\/\\\/ceylou.com\\\/wordpress\\\/cours-meteo-marine\\\/\",\"name\":\"COURS METEO MARINE - BRIGANTINE\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ceylou.com\\\/wordpress\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/ceylou.com\\\/wordpress\\\/cours-meteo-marine\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/ceylou.com\\\/wordpress\\\/cours-meteo-marine\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ceylou.com\\\/wordpress\\\/wp-content\\\/uploads\\\/2023\\\/03\\\/image-860x570.png\",\"datePublished\":\"2023-03-12T08:29:27+00:00\",\"dateModified\":\"2026-01-15T17:41:00+00:00\",\"description\":\"La m\u00e9t\u00e9o: En voilier, nous sommes tributaires de la m\u00e9t\u00e9o. 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