Bulletinset for METAREA 7 Edition date (UTC): 2025-11-20 19:56:45 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 201730 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 20TH OF NOVEMBER 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 202200 TO 212200 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 to W 35 in places in the south. 2. MARION FORTIES EAST: SW to W 35 in places in the west. SYNOPTIC CHART 12:00Z ===================== High 1030 hPa 37s01e Low 957 hPa 57s34e 1. Cold Front: 41s47e 47s55e 55s58e 61s46e 61s31e into 57s34e AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : SE to E 10 to 15. VIS : Good. ANGOLA (06S/15S, 00E/00N): WIND : S to SE 05 to 15, but SW to W 05 to 10 in the east. VIS : Good. ST HELENA (15S/30S, 00E/20W): WIND : NE to N 05 to 15 in the south-west, otherwise E to SE 10 to 20. VIS : Good. SEA STATE: 3.0m in the east, with SE swell. TRADES (15S/30S, 00E/WEST COAST): WIND : S to SE 10 to 20 reaching 25 south-east. VIS : Good. SEA STATE: 3.0 to 4.0m moderating in the north from mid-period, with S to SE swell. TRISTAN (30S/40S, 00E/20W): WIND : Anti-cyclonic 05 to 15 in the extreme east, otherwise N to NW 20 to 30, but SW to W 15 to 20 in the south-west. VIS : Good, but moderate in showers and rain in places in the west. SEA STATE: 3.0 to 4.0m except in the north-east reaching 4.5 to 5.0m in the south-west at first, with NW to W swell. CAPE WEST (30S/40S, 00E/20E): WIND : Anti-cyclonic 05 to 15 in the west, otherwise SE to E 15 to 25, reaching 30 in the extreme north-east, but SW to S 10 to 20 in the south-east. VIS : Good. SEA STATE: 3.0 to 4.0m in the east, with S to SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : NW to N 20 to 30 in the north-east, otherwise SW to S 15 to 25 reaching 30 to 35 in places in the south. VIS : Good, but moderate in showers and rain in places in the east. SEA STATE: 4.5 to 5.5m, reaching 6.0 to 7.0m in the central and southern parts, with SW to S swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : Variable 05 to 10 in the north, otherwise SW to W 10 to 20. VIS : Good, but moderate in showers and rain in places in the extreme southern parts. SEA STATE: 3.0 to 4.0m except in the north-east from mid-period, reaching 4.5 to 5.0m in the south-west, with S to SE swell. MOZAMBIQUE CHANNEL: WIND : NW to N 05 to 15 in the north, otherwise S to SE 10 to 20. VIS : Good, but moderate to poor in showers and thundershowers in the north. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : N to NW 10 to 20 in the north, otherwise SE to E 05 to 15. VIS : Good, but moderate to poor in showers and thundershowers in places in the northern and central parts. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : SW to W 20 to 30 reaching 35 in places in the west. VIS : Moderate in showers and rain in places, with snow-showers in the south. SEA STATE: 6.0 to 7.0m in the east, but 8.0 to 9.0m in the west, with W to SW swell. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 25/11/20 AT 1600UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (Wind gusts may be about 40% stronger than the averages given here). PART 1: WARNING - Gale force 8 running over WAM, CRO and KER. - Strong gale force 9 expected over CRO. PART 2: GENERAL SYNOPSIS, 25/11/20 AT 1200UTC - High 1022 hPa near 33S/75E, moving eastward. - Arrival of a new cold front over CRO and WAM during the night. - Low 1005 hPa around 28S/58E deepening over northern of the area, moving southeastward, expected 1004 hPa around 34S/69E on 21/11 at 18UTC. PART 3: FORECAST FOR 24 HOURS FROM 25/11/20 at 1800UTC to 25/11/21 at 1800UTC WAM (30S/40S, 50E/65E) Showers and thunderstorms over far north-eastern. Rain and frontal showers over south-western later. WIND: anticlockwise 2/4, soon increasing north-westerly 6/7 over the south-western ahead of the front, occasionally 8, then returning westerly 5/6 behind the front. Clockwise 6/7 over far north- eastern, easing over eastern 3/4 at the end of the period. Gusts. SEA : rough to very rough, soon becoming very rough in the south-west with south-westerly swell 3 to 5 m. VISI: poor to very poor during precipitation. AMS (30S/40S, 65E/80E) Scattered showers, but showers and thunderstorms in the north later. WIND : anticlockwise 2/4, sometimes 5, becoming clockwise 6/7 later. Gusts. SEA : rough, becoming moderate. South-westerly swell 2 to 3 m, abating. VISI: poor to very poor during precipitation. CRO (40S/50S, 50E/65E) Rain, showers and squalls with a new cold front. Showers behind the front. WIND: North-westerly 6 to 8 ahead of the front, increasing locally 8/9, veering westerly 5/6 behind the front. Gusts. SEA : moderate to rough, gradually becoming rough to very rough. Arrival of a long south-westerly swell over the western, increasing to 3 to 5 metres. VISI: Poor to very poor during precipitation. KER (40S/50S, 65E/80E) Showers over the eastern at first, more scattered elsewhere. Rain and frontal showers soon over far southern. WIND: South-westerly 6/7 over the eastern, temporarily 8 at the start, but northerly 5/6 over the western, increasing 7/8 ahead of a new front during the day, easing to north-westerly 4/5 at the end of the forecast period. Gusts. SEA : Rough to very rough, temporarily moderate to rough. Arrival of a 4 to 5 metre swell over the western at the end of the forecast period. VISI: Poor in precipitation.