Bulletinset for METAREA 2 Edition date (UTC): 2025-12-19 05:33:18 ============================ HIGH SEAS WARNING ============================ WONT50 LFPW 181948 SECURITE ON METAREA 2, METEO-FRANCE, WARNING NR 539, THURSDAY 18 DECEMBER 2025 AT 1945 UTC GENERAL SYNOPSIS, THURSDAY 18 OF DECEMBER AT 12 UTC. LOW 960 61N23W, MOVING NORTHEAST AND EXPECTED 983 67N10E BY 20/00 UTC. ASSOCIATED TROUGH EXTENDING OVER THE BAY PF BISCAY AND MOVING EAST. SECONDARY LOW DEEPENING IN THIS TROUGH AND EXPECTED 1015 40N09W BY 19/00 UTC, MOVING SOUTHEAST AND EXPECTED 1016 36N08W BY 19/12 UTC, THEN FILLING. NEW LOW EXPECTED 973 57N37W BY 19/00 UTC, MOVING NORTHEAST AND DEEPENING, EXPECTED 965 59N28W BY 20/00 UTC. ASSOCIATED TROUGH CROSSING FARADAY AND ALTAIR SOON, THEN ROMEO AND CHARCOT LATER, REACHING PAZENN AT END. FARADAY. FROM 18/21 UTC TO 20/00 UTC AT LEAST. SOUTHWEST 8 OR 9, VEERING RAPIDLY WEST OR NORTHWEST, THEN DECREASING NORTHWEST 8 LATER. SEVERE GUSTS. HIGH AND CROSS. ROMEO. FROM 19/09 UTC TO 19/12 UTC AT LEAST. SOUTHWEST 8 OR 9, VEERING WEST OR NORTHWEST 8 AT END. GUSTS. HIGH. NORTH OF ALTAIR. FROM 19/00 UTC TO 20/00 UTC. SOUTHWEST 8 OR 9, VEERING RAPIDLY WEST OR NORTHWEST, THEN DECREASING 8 LATER. SEVERE GUSTS. HIGH. NORTH OF CHARCOT. FROM 19/12 UTC TO 20/00 UTC AT LEAST. SOUTHWEST 8, VEERING RAPIDLY WEST OR NORTHWET. GUSTS. HIGH. PAZENN. FROM 19/21 UTC TO 20/06 UTC AT LEAST. SOUTH OR SOUTHWEST 8. GUSTS. BECOMING HIGH. SAO VICENTE. FROM 19/03 UTC TO 19/09 UTC. CYCLONIC 8 NEAR CAP OF SAO VICENTE. SEVERE GUSTS. CASABLANCA. FROM 19/03 UTC TO 19/09 UTC. CYCLONIC 8 IN NORTH. SEVERE GUSTS. BT *= ============================ HIGH SEAS FORECAST ============================ FQNT52 LFPW 181951 A SECURITE Weather bulletin on METAREA 2, METEO-FRANCE Toulouse, Thursday 18 December 2025 at 2215 UTC. 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 : WARNING NR 539. Part 2 : General synopsis, Thursday 18 at 12 UTC Low 960 61N23W, moving northeast and expected 983 67N10E by 20/00 UTC. Associated trough extending over the Bay pf Biscay and moving east. Secondary low deepening in this trough and expected 1015 40N09W by 19/00 UTC, moving southeast and expected 1016 36N08W by 19/12 UTC, then filling. New low expected 973 57N37W by 19/00 UTC, moving northeast and deepening, expected 965 59N28W by 20/00 UTC. Associated trough crossing FARADAY and ALTAIR soon, then ROMEO and CHARCOT later, reaching PAZENN at end. High 1032 38N39W, moving southeast and expected 1034 36N30W by 19/12 UTC, then merging with the next one. New high expected 1036 43N44W by 20/00 UTC, with ridge extending southeastwards. Monsoon trough near 06N11W and runs west-southwestward to 05N16W. ITCZ extends from 05N16W to 04N38W. Part 3 : Area forecasts to Saturday 20 at 00 UTC FARADAY. Increasing West or Southwest 8 or 9, then veering rapidly West or Northwest, and decreasing Northwest 7 or 8 later. Severe gusts. Very rough or high and cross, becoming high later. Long NW swell 5 to 7 m, decreasing later. Moderate or poor vis in rain or thundery showers. ROMEO. West or Northwest 5 or 6, increasing Southwest 7 or 8 from west soon, then veering West or Northwest at end. Severe gusts. High, decreasing very rough or high later. Long NW swell 5 to 7 m, decreasing at end. Moderate or poor vis in rain or thundery showers later. ALTAIR. In north, increasing Southwest 8 or 9 at first, then veering rapidly West or Northwest, and decreasing 7 or 8 later. Severe gusts. In south, increasing West or Southwest 6 or 7 at first, then veering rapidly West or Northwest, and decreasing 5 or 6 at end. Gusts. Very rough or high. Long NW swell 5 to 7 m. Moderate or poor vis in rain or thundery showers. CHARCOT. In north, West or Northwest 4 or 5, increasing West or Southwest 6 or 7 from west soon, then 7 or 8 later, and veering West or Northwest at end. Severe gusts. In south, West or Northwest decreasing 3 to 5, then backing West or Southwest 6 or 7 later, and veering Northwest at end. Gusts. Very rough or high. Long W or NW swell 5 to 7 m, decreasing at end. Moderate or poor vis in rain or thundery showers later. ACORES. Decreasing Clockwise 2 to 4 from west, then increasing West 5 or 6 in far north soon, and veering Northerly 4 to 6 in north at end, locally Variable 2 to 4 in south. Rough or very rough in long NW swell, decreasing rough in south at end. Moderate vis in rain or showers in far north later. JOSEPHINE. In northwest, decreasing North or Northwest 4 or 5, then becoming Clockwise 2 to 4 soon, and increasing Westerly 5 or 6 later. In southeast, North 4 or 5, at times 6, decreasing 3 to 5 later, then backing North or Northwest 3 or 4 at end. Very rough in long NW swell. Poor vis in rain in southeast, clearing at first, then in far northwest at end. IRVING. North or Northeast 4 or 5, decreasing Easterly 2 to 4 in north soon. Moderate or rough, locally very rough in far north, becoming rough or very rough later. Moderate vis in showers in far south at first. MADEIRA. In northwest, North 4 or 5, at times 6 in east, decreasing North or Northeast 3 to 5 later. In southeast, North or Northwest 3 or 4, increasing North or Northeast 4 or 5 later. Rough or very rough. Moderate or poor vis in rain or showers, clearing later. PAZENN. West or Northwest 5 or 6, decreasing Westerly 4 or 5 soon, backing Southwest later and increasing 6 or 7, locally 8 in west at end. Gusts. High, becoming very rough later. Long NW swell 6 to 7 m, abating 4.5 to 5.5 m. Poor vis in showers. IROISE. West or Northwest 4 or 5, decreasing West or Southwest 3 or 4 soon, backing Southwest later, increasing 4 or 5 at end. High, becoming very rough soon. Long NW swell 5 to 6 m, abating 4.5 to 5.5 m. Locally poor vis in some showers. YEU, ROCHEBONNE. Northwest 4 or 5, but Southwest 5 or 6 in southeast at first, decreasing Northwesterly 3 or 4 soon, becoming Variable 2 to 4 later, then mainly Southerly at end, locally 5 in far northwest. Very rough or high, becoming very rough soon. Long NW swell 5 to 6 m, abating 4.5 to 5.5 m. Poor vis in rain or showers. CANTABRICO. Southwesterly 5 or 6, decreasing Northwesterly 3 to 5 from west, becoming Variable 2 to 4 later, but locally Northerly 3 to 5 in far east. Very rough or high, becoming very rough soon. Long NW swell 5 to 6 m, abating 4.5 to 5.5 m. Poor vis in rain or showers. FINISTERRE. North or Northwest 4 or 5, decreasing 3 or 4 soon, becoming Variable 2 to 4 later, increasing Southwest 5 to 7 from southeast to northwest at end. Gusts. Very rough or high, becoming very rough later. Long NW swell 5 to 6 m, abating 4.5 to 5.5 m. PORTO. Decreasing North 4 or 5, at times 6 in south and along coast, then North or Northwest 3 or 4 in northwest later, and backing West or Northwest 3 or 4 at end. Very rough. Long NW swell 5 to 6 m. Moderate or poor vis in rain, clearing soon. SAO VICENTE. Veering North 5 or 6 from northwest, but South or Southwest 4 to 6 at first, then increasing temporarily Cyclonic 7 or 8 near cap of So Vicente soon, and decreasing North or Northwest 3 or 4 in west at end. Severe gusts. Rough or very rough. Long NW swell increasing 5 m in north at end. Poor vis in rain, clearing later. CADIZ. Variable 2 to 4, increasing South 4 or 5 soon, then Northwest 5 or 6, at times 7, later. Gusts. Slight or moderate, locally rough in southwest, becoming very rough in far southwest at end. Moderate or poor vis in rain or thundery showers later, clearing at end. GIBRALTAR STRAIT. Easterly 2 to 4, increasing Westerly 5 or 6 later. slight or moderate, becoming moderate at end. Moderate or poor vis in rain or thundery showers later, clearing at end. CASABLANCA. Variable 2 to 4, increasing North 5 or 6 soon, temporarily Cyclonic 7 or 8, then decreasing 4or 5 later. Severe gusts. Rough in NW swell, increasing very rough from northwest soon. Moderate or poor vis in rain or showers, at times thundery. AGADIR. North or Northeast 3 or 4, at times 5 in southeast at first, then increasing 4 or 5 in northwest at end. Gusts. Rough in NW swell, becoming very rough in north at end. Moderate vis in showers later. METEOR. Variable 2 to 4 in north and East or Northeast 4 or 5 in south, increasing locally Northeast 4 or 5 in far north soon, then everywhere at end, at times 6. Moderate or rough, becoming rough in NW swell soon. Moderate vis in rain or showers. CANARIAS. North or Northeast 4 or 5, increasing at times 6 between islands at end. Gusts. Moderate or rough. Moderate vis in some showers. TARFAYA. North 4, decreasing 3 or 4 soon, then increasing North or Northeast 4 or 5 at end. Moderate or rough in NW swell. Moderate vis in some showers at end. CAPE VERDE. East or Northeast 5 or 6, locally 4 or 5 in far north at first. Gusts. Rough, locally moderate in far northeast, then becoming rough everywhere soon. Moderate vis in some showers. CAP BLANC, CAP TIMIRIS. Northeast 5 or 6, decreasing 4 or 5 soon, at times 6. Gusts. Moderate or rough. Moderate or poor vis due to sand haze. SIERRA LEONE. Northeast 5 or 6, locally Variable 2 to 4 in far southeast. Severe gusts in thundersqualls. Rough, locally slight or moderate in far southeast. Moderate vis due to sand haze in east. GULF OF GUINEA. In west, East or Southeast 2 to 4. Severe gusts under showers. In east, Southerly 2 to 4. Severe gusts under showers. Slight or moderate. Poor or very poor vis in thundersqualls. POINTE NOIRE. South or Southeast 3 or 4, at times 5 in west. Severe gusts under showers. Moderate, locally slight in east. Poor or very poor vis in thundersqualls in far east. Part 4 : outlook for next 24 hours South or Southwest gale in PAZENN, near gale in IROISE, YEU, ROCHEBONNE, CANTABRICO and FINISTERRE. Persistence or threat of Northwest near gale or gale, over FARADAY, ALTAIR, ROMEO and CHARCOT.