Bulletinset for METAREA 7 Edition date (UTC): 2025-12-17 01:20:33 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 161600 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 16TH OF DECEMBER 2025 AT 16:00 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 162200 TO 172200 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 EAST: SW 35 in places in the extreme south. 2. MARION FORTIES EAST: Cyclonic 35 to 40 in the north spreading to the south by mid-period while reaching 45 to 55 in places in the west towards the end of the period. SYNOPTIC CHART 12:00Z ===================== High 1026 hPa 37s09w, High 1028 hPa 31s67e Low 996 hPa 40s22e 1. Cold Front: 33s15e 38s20e into 40s22e AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : E to SE 10 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 : SE to E 05 to 15, but NE to N 05 to 15 in the south-west towards mid-period. VIS : Good, but moderate in light rain in places in the south-west. SEA STATE: 3.0m in the south-east at first, with S to SW swell. TRADES (15S/30S, 00E/WEST COAST): WIND : S to SE 10 to 20, reaching 25 to 30 in the south-east towards the end of the period. VIS : Good. SEA STATE: 3.0 to 3.5m in the south, with SW swell. TRISTAN (30S/40S, 00E/20W): WIND : Anti-cyclonic 05 to 15, but NW to N 20 to 30 in the south- West. VIS : Good, but moderate in light rain in the extreme south-west by the end of the period. SEA STATE: 3.0m in the extreme south-west by the end of the period, with NW to W swell. CAPE WEST (30S/40S, 00E/20E): WIND : SW to W 20 to 30 in the south-east, but SE to S 15 to 25 in the north-east, otherwise anticyclonic 05 to 15. VIS : Good, but moderate in showers and rain in places in the south- east. SEA STATE: 3.0 to 3.5m in the east, with SW to S swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : W to NW 15 to 25 in the east, reaching 30 in places in the south- east, but SW to S 20 to 30 in the west spreading to the east towards the end of the period while reaching 35 in places in the extreme south. VIS : Good, but moderate to poor in showers and thundershowers in the west drifting to the east by mid-period. SEA STATE: 3.0 to 4.0m reaching 4.5 to 5.0m in places in the south, with W to SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : NE to E 05 to 15, reaching 20 to 30 in places in the north-east, but SW to S 20 to 30 in the south-west. VIS : Good, but moderate in showers and rain in the north-east at first, and moderate to poor in showers and thundershowers in the south-west. SEA STATE: 3.0m except in the north-west reaching 3.5m in the north-central parts, with SW swell but NE swell in the north. MOZAMBIQUE CHANNEL: WIND : Variable 05 to 10, but NE to N 15 in the south-west. VIS : Good, but moderate to poor in showers and thundershowers in most parts except the extreme southern parts. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : E to NE 10 to 20. VIS : Good, but moderate to poor in showers and thundershowers in the northern parts as well as moderate in showers and rain the southern parts towards the end of the period. SEA STATE: 3.0m in places in the east, with E to SE swell. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : W to SW 20 to 30 in the south at first, otherwise anti-cyclonic 05 to 15, but cyclonic 30 to 40 in the north spreading to the south by mid-period while reaching 45 to 55 in places in the west towards the end of the period. VIS : Moderate to poor in showers and thundershowers, with possible snow-showers in the south-west. SEA STATE: 3.0 to 4.0m reaching 4.5 to 5.0m in the extreme south-east until mid-period, becoming 6.0 to 7.0m in the north-west towards the end of the period, with W to SW swell but NW swell in the north. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 25/12/16 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, 25/12/16 AT 1200UTC - Cold front over CRO and KER. - Warm front very soon over CRO, moving southeasterly. - High 1027 near 32S/66E, slow-moving. PART 3: FORECAST FOR 24 HOURS FROM 25/12/16 at 1800UTC to 25/12/17 at 1800UTC WAM (30S/40S, 50E/65E) Scattered rain or showers in south. WIND: Anticlockwise 3 to 5, mainly Northerly, increasing locally 6 in far southwest with gusts. SEA: moderat or rough in SW swell. VISI: poor or very poor in precipitation. AMS (30S/40S, 65E/80E) Scattered rain or showers. WIND: - In north: Anticlockwise 2 to 4. - In south: Westerly 4 or 5. SEA: moderate or rough in SW swell. VISI: poor in precipitation. CRO (40S/50S, 50E/65E) Frontal rain or showers. WIND: Westerly 5 or 6, at times 7; slowly decreasing Variable 2 to 4 in north, increasing Northwest 6 or 7 at end everywhere with severe gusts. SEA: rough or very rough. SW swell 4 or 5 m at end in south. VISI: poor or very poor in precipitation. KER (40S/50S, 65E/80E) Frontal rain or showers. WIND: Northwest 6 or 7 with severe gusts, veering West or Southwest behind the cold front, decreasing locally Variable 3 to 5 in northwest later. SEA: rough or very rough. W swell occasionally 4 or 5 m. VISI: poor or vey poor in precipitation.