wind speed in Beaufort scale. Sea state in Douglas scale. Please be aware, wind gusts can be a further 40 percent stronger than the averages given here, and maximum waves may be up to twice the significant height.
Part 1 : no warning.
Part 2 : general synopsis, Wednesday 18 at 00 UTC low 1005 42n31w moving slowly southeast, expected 1014 39n19w by 19/12 UTC. Relative low area around 1014 over iberian peninsula, filling gradually. Low 998 48n42w, moving northeast, expected 992 56n38w by 19/00 UTC with associated trough reaching west Faraday and west Altair, in which new low expected 1009 44n30w by 19/12 UTC. High 1029 over Ireland slowly moving towards England. High 1018 31n41w drifting east, expected 1022 30n34w by 19/12 UTC. The monsoon trough extends from 20n16w to 12n26w to 15n51w.
Part 3 : area forecasts to Thursday 19 at 12 UTC
Faraday. South or southeast 5 or 6, locally veering westerly 2 to 4 over west soon. Moderate or rough. Rain or showers in west.
Romeo. East or southeast 4 or 5. Moderate. Some showers in west.
Altair. In southwest, northwesterly 4 to 6, backing southwesterly soon. In northeast, southeast 4 to 6. Moderate or rough. Showers, at times thundery.
Charcot. East 4 or 5 in north, but variable 2 to 4 in south. Moderate. Some showers.
Acores. Westerly 4 or 5, locally increasing southwest 5 or 6 in far northwest soon. Moderate or rough. Thundery showers in east.
Josephine. Variable 1 to 3, but locally south 4 or 5 in far west, gradually veering west or southwest 3 to 5 from west soon. Slight or moderate. Sowers at times thundery from west.
Irving. West or northwest 2 to 4. Moderate due to the NW swell, locally becoming slight in west. Some thundery showers in far northeast at first.
Madeira. Variable 2 to 4, temporarily southwest 4 or 5 in far northwest at first. Slight or moderate. Some showers in north.
Pazenn, north of Finisterre. East or northeast 5 or 6. Moderate.
Iroise, Yeu, Rochebonne. Northeast 5 or 6. Moderate, locally slight in far east.
Cantabrico. In northwest : east or northeast 4 or 5, occasionally 6 in north next night. In southeast : variable or mainly westerly 2 to 4. Moderate, locally slight in far east. Showers, at times thundery.
South of Finisterre. Variable 2 to 4. Slight or moderate.
Porto. Variable 1 to 3. Slight, locally moderate in far northwest.
Sao Vicente. Variable 1 to 3, locally increasing west or northwest 4 in far east soon, at times 5. Slight.
Cadiz, Gibraltar Strait. Westerly 2 to 4, locally 5 in east of Strait. Smooth or slight.
Casablanca. Gradually increasing north or northwest 3 or 4 from south, locally 5 in far southeast. Slight, locally becoming moderate in south.
Agadir, Tarfaya. North or northeast 4 or 5, locally increasing 6 with gusts along coasts of Agadir soon. Slight or moderate.
Meteor. In north, variable 1 to 3. In south, east or northeast 4, at times 5 in far southeast. Moderate due to the NW swell.
Canarias. Northeast 4 to 6 with gusts between islands. Moderate.
Cape Verde. East or northeast 4 to 5, at times 6 in far east. Moderate, at times rough. Scattered showers. Sand haze.
Cap Blanc. North or northeast 5 or 6. Moderate, becoming moderate or rough soon. Some showers later. Sand haze.
Cap Timiris. Variable 3 to 5, mainly northwesterly. Moderate. Sand haze.
Sierra Leone. Variable 2 to 4. Slight or moderate. Thundersqualls with severe gusts, mainly in south.
Gulf of Guinea. In west, southeasterly 3 or 4, at times 5 in far west. In east, southwesterly 2 to 4. Moderate. Thundersqualls with severe gusts in northwest and far East.
Pointe noire. In west, southeasterly 3 or 4, at times 5 in far west. In east, southwesterly 1 to 3. Slight or moderate.
Part 4 : outlook for next 24 hours threat or southerly near gale over east of Faraday, west of Romeo, and northwest of Charcot. Threat of northwesterly near gale over Faraday and Altair.
Marine Weather for HS 012
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