Bulletinset for METAREA 7 Edition date (UTC): 2025-12-12 18:49:57 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 121730 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 12TH OF DECEMBER 2025 AT 17:30 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 122200 TO 132200 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. TRISTAN: W to NW 35 in the south-west. 2. CAPE WEST: W to SW 35 in the extreme south-east. 3. CAPE EAST: N to NW 35 in the central and south-eastern parts. 4. MARION FORTIES EAST: N to NW 35 in the north and south-west in the first half of the period. SYNOPTIC CHART 12:00Z ===================== High 1020 hPa 33s08w, High 1020 hPa 36s51e Low 984 hPa 38s34w, Low 984 hPa 46s26e. 1. Cold Front : 19s39w 29s28w 35s24w 40s27e into 46s26e. 2. Cold Front : 29s13e 35s20e 40s27e into 46s26e. AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : SE to E 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. ST HELENA (15S/30S, 00E/20W): WIND : N to NW 10 to 20 in the south-west, otherwise E to SE 10 to 15, reaching 20 in the east at times. VIS : Good, but moderate in showers and rain in places in the west. SEA STATE: 3.0m in the south and south-east, with SW swell. TRADES (15S/30S, 00E/WEST COAST): WIND : S to SE 10 to 20, reaching 25 in the south-east. VIS : Good. SEA STATE: 3.0 to 3.5m in the south-west, spreading to the southern half towards mid-period, with SW swell. TRISTAN (30S/40S, 00E/20W): WIND : Anticyclonic 05 to 15 in the north and central parts, otherwise, W to NW 15 to 25, reaching 30 to 35 in the south- west. VIS : Good, but moderate in showers and rain in the south-west. SEA STATE: 4.0 to 6.0m in the south-west, with NW swell. CAPE WEST (30S/40S, 00E/20E): WIND : W to SW 15 to 25, reaching 30 to 35 in the extreme south-east moderating during the second half of the period. VIS : Good, but moderate in showers and rain in the south-east at first. SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.0m in the southern parts, with W to SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : W to SW 25 to 30 in the west, otherwise N to NW 15 to 25, reaching 30 to 35 in the central and south-eastern parts. VIS : Moderate to poor in showers and thundershowers, but good in the east. SEA STATE: 3.0 to 4.0m, reaching 4.5m in the western parts in the first half of the period, with W to SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : SW 20 to 30 in the south-west but N to NW 15 to 25 in the west and north-west, otherwise E to NE 15 to 25. VIS : Good but moderate to poor in showers and thundershowers in the south-western parts from mid-period. SEA STATE: 3.0 to 4.0m, with S to SE swell, but NE in the west. MOZAMBIQUE CHANNEL: WIND : E to NE 05 to 10, becoming S to SW 10 in the south-east. VIS : Good but moderate to poor in showers and thundershowers in the north. SEA STATE: 3.0 to 4.0m in the south, with S to SE swell. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : E to SE 10 to 20, reaching 25 in the south-east. VIS : Moderate in showers and thundershowers in places. SEA STATE: 3.0 to 4.0m in the south, with S to SE swell. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : N to NW 20 to 30 reaching 35 in the north and south-west in the first half of the period. VIS : Good, but moderate in showers and thundershowers in the western parts, drifting to the east from mid-period. SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.5m in the south-west, with NW swell. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 25/12/12 AT 1500UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (Wind gusts may be about 40% stronger than the averages given here). PART 1: WARNING - Gale force 8 expected over KER soon. PART 2: GENERAL SYNOPSIS, 25/12/12 AT 1200UTC - Cold front over Eastern AMS moving Eastward. - High 1027 hPa over Western WAM at first moving Eastward, expected 1029 hPa near 35S/60E at the end. - Cold front over Western CRO at the end. PART 3: FORECAST FOR 24 HOURS FROM 25/12/12 at 1800UTC to 25/12/13 at 1800UTC WAM (30S/40S, 50E/65E) WIND: Anticlockwise 3 to 4 locally 5. SEA : Rough to very rough becoming moderate to rough at the end. SW swell 3 to 4 m abating. VISI: Good. AMS (30S/40S, 65E/80E) Rain, squalls, and frontal showers moving Eastward. WIND: SW 5 to 6 locally 7 with gusts over Southern, becoming anticlockwise 4 to 5 by western at the end. SEA : rough to very rough. Long SW swell 3 to 5 m. VISI: Poor to very poor in precipitation. CRO (40S/50S, 50E/65E) Scattered showers then rain and frontal showers over Western at the end. WIND: W 4 to 5 then NW 5 to 6 locally 7 with gusts by Western in the daytime. SEA : Rough to very rough, becoming moderate to rough soon. Westerly swell 2 to 4 m abating. VISI: Poor in precipitation. KER (40S/50S, 65E/80E) Showers becoming less frequent. WIND: SW 5 to 6 over Northern, increasing 7 to 8 with gusts tonight but clockwise 4 to 6 over Southern. Decreasing W 3 to 4 by Western at the end. SEA : Rough to very rough, locally high over Northern. Westerly swell 3 to 4 m. VISI: Poor to very poor in precipitation.