Bulletinset for METAREA 7 Edition date (UTC): 2025-12-16 04:46:34 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 151630 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 15TH OF DECEMBER 2025 AT 16:30 UTC. FOR SOUTH-EAST SECTOR OF METAREA. VII, PREPARED BY REUNION, SEE AREA 2 BELOW. NOTE: WX OBSERVATIONS. ====================== COULD ALL VESSELS EXPERIENCING UNEXPECTED, SEVERE WX/SEA STATE PLEASE MAKE EVERY EFFORT TO REPORT THIS TO SAWS VIA CAPE TOWN RADIO. AREA 1: ======= FORECAST VALID FROM 152200 TO 162200 UTC: WIND IN KNOTS, WAVE HEIGHTS IN METERS. NO SEA STATE GIVEN IF WAVES LESS THAN 3M. NOTE THE WIND SPEEDS QUOTED HERE ARE THE EXPECTED AVERAGE SPEEDS. INDIVIDUAL GUSTS MAY EXCEED THESE VALUES BY A FACTOR OF UP TO 1.5. WAVE HEIGHTS ARE SIGNIFICANT WAVE HEIGHTS, WHICH MAY BE ACCOMPANIED BY INDIVIDUAL WAVES 1.5 TO 2.0 TIMES HIGHER. GALE FORCE WARNINGS: ==================== 1. CAPE WEST: Cyclonic 35 in the south, drifting to the south- east by the end of the period. 2. CAPE EAST: Cyclonic 35 in the west tomorrow evening. 3. MARION FORTIES EAST: W to NW 35 in the east at first, but SW 35 in places in the southern parts. SYNOPTIC CHART 12:00Z ===================== High 1027 hPa 38s17w, High 1027 hPa 32s65e Low 1004 hPa 38s06e 1. Cold Front: 30s01w 35s04e into 38s06e AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : E to SE 05 to 15. VIS : Good. ANGOLA (06S/15S, 00E/00N): WIND : S to SE 05 to 15, but SW 05 to 10 in the east. VIS : Good, but moderate in showers and thundershowers in the extreme north-east at times. ST HELENA (15S/30S, 00E/20W): WIND : S to SE 05 to 15. VIS : Good, but moderate in light rain in places in the south and west. SEA STATE: 3.0m in the south-east, with SW swell. TRADES (15S/30S, 00E/WEST COAST): WIND : S to SE 05 to 15, reaching 20 to 25 in the south-west towards the end of the period. VIS : Good, but moderate in light rain in the extreme south-west Until mid-period. SEA STATE: 3.0 to 3.5m in the south-west from the morning, with SW swell. TRISTAN (30S/40S, 00E/20W): WIND : S to SE 05 to 15 in the north and eastern half, reaching 20 to 25 in the east at first, otherwise anti-cyclonic 05 to 15. VIS : Good. SEA STATE: 3.0 to 4.0 in the north at eastern parts, reaching 4.5m in the east at first, with S to SW swell. CAPE WEST (30S/40S, 00E/20E): WIND : Variable 05 to 10 in the north and north-east, otherwise cyclonic 15 to 25, reaching 30 to 35 in the south, drifting to the south- east by the end of the period. VIS : Good, but moderate in showers and rain in the south, central and south-eastern parts, clearing in the south and central parts from mid-period. SEA STATE: 3.0 to 4.0m in the west and southern parts, spreading to the north from tomorrow evening, while reaching 4.5 to 5.0m in the west during the first half of the period, with SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : W to NW 10 to 20, reaching 25 to 30 in the south-east until mid- period, as well as in the north by the end of the period. It will become cyclonic 20 to 30 in the west from mid-period, reaching 35 tomorrow evening. VIS : Good but moderate in showers and rain in the south and south- Western parts, with possible thundershowers in the north-west by end of period. SEA STATE: 3.0 to 3.5m in places in the central, south and western parts, reaching 4.0 to 4.5m in the southern parts at first, with W to SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : E to NE 05 to 15, reaching 20 to 30 in the north, west and south- western parts. VIS : Good, but moderate in showers and rain in the north-east. SEA STATE: 3.0 to 3.5m in the north and south-west, with SW swell but NE in the north. MOZAMBIQUE CHANNEL: WIND : Variable 05 to 10 in the central parts, otherwise E to SE 05 to 15 reaching 20 to 30 in the south-east, as well as north- Eastern parts. VIS : Good, but moderate to poor in showers and thundershowers in places in the north, central and western parts. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : E to NE 10 to 20 reaching 25 in the east, and south-west. VIS : Moderate in light showers and rain in the southern parts, otherwise, moderate in showers and thundershowers. SEA STATE: 3.0m in places in the east and south-east, with E to SE swell. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : W to NW 20 to 30 in the north and eastern parts, reaching 35 in the east at first, otherwise SW 20 to 30, reaching 35 in places in the southern parts. It will become anti-cyclonic 05 to 15 in the west from mid-period, spreading to the north by the end of the period. VIS : Moderate in showers and rain, with possible snow-showers in the south, clearing in the west from mid-period as well as east tomorrow evening. SEA STATE: 4.0 to 5.0m, subsiding to 3.0 to 3.5m in the west from mid- period, spreading to the east by the end of the period, with W to NW swell. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 25/12/15 AT 1600UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (Wind gusts may be about 40% stronger than the averages given here). PART 1: WARNING NIL. PART 2: GENERAL SYNOPSIS, 25/12/15 AT 1200UTC - High 1027 near 31S/66E, almost stationary. - Frontal trace over southern WAM and southern AMS. - Cold front over CRO, moving eastward. PART 3: FORECAST FOR 24 HOURS FROM 25/12/15 at 1800UTC to 25/12/16 at 1800UTC WAM (30S/40S, 50E/65E) Scattered showers in the south. WIND: Northern half: anticlockwise 2/4, settling Northerly 3/4 in the west. Southern half: Westerly 4/5, reaching locally 6 in the far south later. SEA : Moderate, becoming rough in the south with south-westerly swell 2/4m. VISI: moderate in precipitation. AMS (30S/40S, 65E/80E) Scattered showers in the south. WIND: Northern half: anticlockwise 2/4. Southern half: Westerly 4/5. SEA : moderate, locally rough in the south. VISI: moderate in precipitation. CRO (40S/50S, 50E/65E) Rain and frontal showers. WIND: North-westerly 5/6, reaching 7 with gusts with the front, temporarily backing westerly 4/5 behind, then later increasing South- westerly 6/7 in the south and decreasing Southerly 3/4 in the north- west at the end. SEA : very rough, locally rough in the north. South-westerly swell 2/4m ahead the front and Westerly swell 3/5m behind. VISI: poor in precipitation. KER (40S/50S, 65E/80E) Rain and frontal showers. WIND: North-westerly 5/6 reaching 7 with strong gusts with the front, decreasing South-westerly 4/5 behind in the south-west at the end. But Westerly 3/4 in the east at the start. SEA : rough to very rough. West swell 2/3m, increasing soon 3/5m. VISI: poor in precipitation.