Bulletinset for METAREA 2 Edition date (UTC): 2025-12-18 13:45:34 ============================ HIGH SEAS WARNING ============================ WONT50 LFPW 180922 SECURITE ON METAREA 2, METEO-FRANCE, WARNING NR 538, THURSDAY 18 DECEMBER 2025 AT 0920 UTC GENERAL SYNOPSIS, THURSDAY 18 OF DECEMBER AT 00 UTC. LOW 954 59N27W, MOVING NORTHEAST AND FILLING, EXPECTED 975 64N02W BY 19/12 UTC. ASSOCIATED DEEP TROUGH CROSSING AREAS ABOVE 35N, GRADUALLY FILLING EAST SOON. SECONDARY LOW DEEPENING 1017 37N10W BY 19/00 UTC, MOVING SOUTH, EXPECTED 1016 36N09W BY 19/06 UTC, THEN FILLING ON PLACE. NEW LOW EXPECTED 975 59N47W BY 18/18 UTC, MOVING SOUTHEAST, EXPECTED 960 58N35W BY 19/12 UTC. ASSOCIATED TROUGH CROSSING FARADAY AND ALTAIR, THEN ROMEO AT END. FARADAY. FROM 18/21 UTC TO 19/12 UTC AT LEAST. WEST OR SOUTHWEST 8 OR 9. SEVERE GUSTS. HIGH AND CROSS, BECOMING VERY HIGH IN WEST AT END. ROMEO. FROM 19/09 UTC TO 19/12 UTC AT LEAST. SOUTHWEST 8 IN EXTREM WEST. GUSTS. HIGH. NORTH OF ALTAIR. FROM 19/00 UTC TO 19/12 UTC AT LEAST. WEST OR SOUTHWEST 8 OR 9. SEVERE GUSTS. HIGH. PAZENN. CONTINUING TO 18/15 UTC. IN SOUTHEAST, SOUTH OR SOUTHWEST 8 OR 9. VIOLENT GUSTS. HIGH. IROISE. CONTINUING TO 18/18 UTC. SOUTH OR SOUTHWEST 8, DECREASING FROM WEST AT FIRST. VIOLENT GUSTS. HIGH AND CROSS. YEU. CONTINUING TO 18/18 UTC. IN WEST, SOUTH OR SOUTHWEST 8 OR 9, DECREASING FROM WEST AT FIRST. SEVERE GUSTS. HIGH AND CROSS. ROCHEBONNE. CONTINUING TO 18/18 UTC. IN FAR WEST, SOUTH OR SOUTHWEST 8 OR 9, DECREASING FROM WEST AT FIRST. SEVERE GUSTS. CANTABRICO. CONTINUING TO 18/18 UTC. IN FAR WEST, SOUTHERLY 8. SEVERE GUSTS. HIGH AND CROSS. FINISTERRE. CONTINUING TO 18/18 UTC. SOUTH OR SOUTHWEST 8 OR 9, DECREASING FROM WEST AT FIRST. SEVERE GUSTS. HIGH AND CROSS. PORTO. CONTINUING TO 18/18 UTC. SOUTH OR SOUTHWEST 8 IN NORTH. SEVERE GUSTS. HIGH AND CROSS. SAO VICENTE. FROM 19/03 UTC TO 19/09 UTC. NORTH 8. SEVERE GUSTS. CASABLANCA. FROM 19/03 UTC TO 19/09 UTC. NORTH 8. SEVERE GUSTS. BT *= ============================ HIGH SEAS FORECAST ============================ FQNT50 LFPW 180923 A SECURITE Weather bulletin on METAREA 2, METEO-FRANCE Toulouse, Thursday 18 December 2025 at 1015 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 538. Part 2 : General synopsis, Thursday 18 at 00 UTC Low 954 59N27W, moving northeast and filling, expected 975 64N02W by 19/12 UTC. Associated deep trough crossing areas above 35N, gradually filling east soon. Secondary low deepening 1017 37N10W by 19/00 UTC, moving south, expected 1016 36N09W by 19/06 UTC, then filling on place. New low expected 975 59N47W by 18/18 UTC, moving southeast, expected 960 58N35W by 19/12 UTC. Associated trough crossing FARADAY and ALTAIR, then ROMEO at end. High 1028 29N28W, merging with next low at first. High 1030 39N46W, drifting east, expected 1034 36N28W by 19/12 UTC. Monsoon trough near 07N11W and runs west-southwestward to 06N15. ITCZ extends from 06N15W to 07N30W to 01N48W. Part 3 : Area forecasts to Friday 19 at 12 UTC FARADAY. West or Northwest 6 or 7, increasing West or Southwest 8 or 9 later. Severe gusts. High, becoming very high in west at end. Long NW swell 5 to 7 m. Moderate or poor vis in showers, becoming at times thundery at end. ROMEO. West or Northwest 6 or 7, decreasing 5 or 6 later, then increasing Southwest 7 or 8 in extrem west at end. Gusts. High. Long W or NW swell 5 to 7 m, temporarily 8 in north. Poor vis in rain or showers. ALTAIR. West or Northwest 4 to 6 from south to north, increasing West or Southwest 6 or 7 later, locally 8 or 9 in north. Severe gusts. Very rough or high. Long NW swell 5 to 6 m. Moderate or poor vis in rain or showers, becoming at times thundery at end. CHARCOT. West or Northwest 5 or 6, at times 7 in far east at first, decreasing 4 or 5 later, then backing West or Southwest at end, locally Southwest 6 or 7 in far northwest. Gusts. Very rough or high. Long W or NW swell 5 to 6 m. Poor vis in showers, at times thundery in far southeast at first. ACORES. North or Northwest 4 or 5, decreasing Variable Clockwise 2 to 4 from west soon, then increasing West 5 or 6 in far north at end. Rough or very rough in long NW swell. JOSEPHINE. In northwest , Northwest 5 or 6, decreasing North or Northwest 4 or 5 very soon, then becoming Variable Clockwise 2 to 4 at end. In southeast, Southwest 4 or 5, locally 6 or 7 in far north, veering North 5 or 6 soon, then decreasing 4 or 5 at end. Gusts. Rough or very rough in long NW swell, but locally high in far north at first. Poor vis in rain, clearing at end. IRVING. North or Northeast 4 or 5, but West or Northwest 3 or 4 in southeast at first, decreasing Easterly 2 to 4 in north at end. Moderate or rough, locally very rough in far north, becoming rough or very rough later. Moderate vis in rain or showers, clearing later. MADEIRA. In northwest, West or Northwest 3 to 5, veering North 4 or 5 at times 6 soon, then decreasing Northeast 3 to 5 at end. In southeast, North or Northwest 3 or 4, increasing North 5 or 6 at end. Moderate or rough, increasing very rough in far north soon, then becoming rough or very rough later. Moderate or poor vis in rain or showers, at times thundery. PAZENN. Westerly 5 or 6, at times 7, but locally South or Southwest 8 or 9 in southeast at first, decreasing 3 to 5 at end. Violent gusts. High. Long NW swell 6 to 7 m. Very poor vis in heavy rain, clearing later. IROISE. South or Southwest 7 or 8, decreasing West 5 or 6 at first from west, then 4 or 5 later. Violent gusts. Very rough or high, and cross at first. Long NW swell 4 to 5m, locally 6m in far west. Poor vis in rain or showers. YEU. South or Southwest 6 or 7, locally 8 or 9 in west, decreasing Westerly 4 or 5 from west at first, then West or Northwest 3 or 4 at end. Severe gusts. Very rough or high, and cross at first. Long NW swell 4 to 5m, locally 6m in far west. Poor vis in rain or showers. ROCHEBONNE. South or Southwest 6 or 7, locally 8 or 9 in far west, decreasing Westerly 4 or 5 from west at first, at times 6, then Northwesterly 3 or 4 at end. Severe gusts. Very rough or high, and cross at first. Long NW swell 4 to 5m, locally 6m in far west. Poor vis in rain or showers. CANTABRICO. Southerly 5 or 6, at times 7, but locally 8 in far west, decreasing Westerly 4 or 5 soon, at times 6, then Northerly 2 to 4 at end. Severe gusts. Very rough or high. Long NW swell 4 to 5m, locally 6m in far west. Poor vis in rain or showers. FINISTERRE. South or Southwest 8 or 9, decreasing Northwesterly 5 or 6 from west at first, then 3 to 5 later. Severe gusts. High, temporarily cross at first. Long NW swell 6 to 7m. Very poor vis in heavy rain, clearing later. PORTO. South or Southwest 7 or 8, decreasing North or Northwest 5 or 6 from west soon, then North 4 or 5 later. Severe gusts. Very rough or high, becoming very rough later. Long NW swell 5 to 6 m. Moderate or poor vis in rain. SAO VICENTE. South or Southwest 4 to 6, but Variable 2 to 4 in south at first, veering North 5 or 6 from northwest later, then increasing 7 or 8 in southeast at end. Severe gusts. Rough or very rough. Long NW swell increasing 5 m in north. Poor vis in rain, CADIZ, GIBRALTAR STRAIT. Variable mainly Easterly 2 to 4, veering South 4 or 5 over CADIZ at end. Slight or moderate, becoming rough in southwest of CADIZ soon. CASABLANCA. Variable 2 to 4, increasing North 5 or 6 soon, temporarily 7 or 8 later. Severe gusts. Rough in NW swell, increasing very rough from northwest soon. Moderate or poor vis in rain or showers later, at times thundery. AGADIR. North or Northeast 4 or 5, locally 6 in southeast at first, decreasing 3 or 4 later, then increasing 5 or 6 in northwest at end. Gusts. Rough in NW swell. Moderate or poor vis in rain or showers at end. METEOR. Variable clockwise 2 to 4, locally East or Northeast 4 or 5 in south, then increasing locally Northeast 4 or 5 in far north later. Moderate or rough, becoming rough in NW swell later. Moderate vis in rain in far north at end. CANARIAS. North or Northeast 4 or 5, locally 6 in southeast. Gusts. Moderate or rough. Moderate vis in rain in far north at end. TARFAYA. North 4 or 5, decreasing 3 or 4 later. Rough in NW swell. CAPE VERDE. East or Northeast 5 or 6, locally 4 or 5 in far north. Gusts. Rough, locally moderate in far northeast, then becoming rough everywhere at end. Moderate vis in some showers. Moderate or poor vis due to sand haze in far southeast soon. CAP BLANC, CAP TIMIRIS. Northeast 5 or 6, decreasing 4 or 5, at times 6 later. 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. Poor or very poor vis in thundersqualls in southeast. Moderate vis due to sand haze in far northeast. GULF OF GUINEA. In west, East or Southeast 2 to 4. Severe gusts under showers. In east, South or Southwest 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 Threat of Southwesterly near gale or gale in Bay of Biscay. Persistence or threat of Westerly near gale to severe gale, over FARADAY, ALTAIR, ROMEO and CHARCOT.