Bulletinset for METAREA 7 Edition date (UTC): 2026-04-30 00:26:33 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 291600 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 29TH OF APRIL 2026 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 292200 TO 302200 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: N to NW 35 in the central, central-east and south-west until mid-period. 2. CAPE EAST: W to SW 35 in places in the south-east at first. 3. MARION FORTIES EAST: SW to W 35 in the north-east at first but NW 35 to 40 in the south-west spreading across to the south-east by mid-period. SYNOPTIC CHART 12:00Z ===================== High 1027 hPa 31s02w Low 982 hPa 47s20w, Low 984 42s49e. 1. Cold front: 33s22w 37s11w 41s03w 48s08w into 47s20w. 2. Cold Front: 33s49e 37s52e 41s54e 44s51e into 42s49e. AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : E to SE 15 to 25. VIS : Good, but moderate in showers and thundershowers in the extreme northern parts. SEA STATE: 3.0m, reaching 3.5m in the south, with S to SE swell. ANGOLA (06S/15S, 00E/00N): WIND : S to SE 10 to 20, but SW 05 to 10 in the east. VIS : Good. SEA STATE: 3.0m, except in the north-east, with S to SW swell. ST HELENA (15S/30S, 00E/20W): WIND : E to SE 15 to 25, but variable 05 to 10 in the south-east, and NW 10 to 20 in the south-west. VIS : Good. SEA STATE: 3.0 to 4.0m in the north becoming 3.0m in the south-west by mid- period, with SE swell. TRADES (15S/30S, 00E/WEST COAST): WIND : S to SE 15 to 25. VIS : Good. SEA STATE: 3.0 to 4.0m, subsiding towards the end of period, with S to SE swell. TRISTAN (30S/40S, 00E/20W): WIND : Anticyclonic 05 to 15 in the north-east until mid-period, Otherwise, N to NW 15 to 25, reaching 30 to 35 in the central, central-east and south-west until mid-period, when it will become SW 15 to 25 in the south-west. VIS : Good, but moderate to poor in showers and thundershowers in the north-west across to the south-east. SEA STATE: 3.0 to 4.0m in the south, spreading to the north-west and central parts, while becoming 5.0m in the south-west, with NW to W swell. CAPE WEST (30S/40S, 00E/20E): WIND : Anticyclonic 05 to 15 in the north-west, but SE 15 to 25 in the north-east, otherwise NW to W 15 to 25, reaching 30 in the south. VIS : Good, becoming moderate in rain in the south-west, spreading to the south-east by mid-period. SEA STATE: 3.0m to 4.0m except in the west, while spreading to the south- east it will reach 5.0m from mid-period, with S to SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : W to SW 15 to 25, reaching 35 in places in the south-east at first. VIS : Moderate to poor in showers and thundershowers in the south-west towards and north-west by end of the period. SEA STATE: 3.0 to 4.0m, reaching 6.0 to 7.0m over the east, becoming 4.5 to 5.5m in the south-west from mid-period spreading to the central- south by end of period, with W to SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : W to SW 15 to 25, but NE 15 to 25 in the south-west reaching 30 towards end of the period. VIS : Good, becoming moderate in showers and rain in places in the south-west towards end of the period. SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in the south-east, with SW to S swell. MOZAMBIQUE CHANNEL: WIND : S to SE 10 to 20 reaching 25 central and south-east. VIS : Good, but moderate in showers and thundershowers in places in the north until mid-period. SEA STATE: 3.0 to 4.0m in the south and central parts, with SW swell. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : S to SE 10 to 15. VIS : Moderate in showers and thundershowers in places. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : SW to W 15 to 25, reaching 35 in the north-east at first but NW 20 to 30, reaching 35 to 40 in the south-west spreading across to the south-east by mid-period. VIS : Moderate in showers and rain in places. SEA STATE: 3.5 to 4.5m, becoming 5.0 to 6.0m in the north-east and south- west, reaching 7.0 to 8.0m in the extreme south-west towards mid- period, while spreading to the south-east it will reach 9.0 to 10.0m in the central-south, with SW to W swell. AREA 2: ======= FQIO20 FMEE 280417 MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 26/04/29 AT 1600UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (Wind gusts may be about 40% stronger than the averages given here). PART 1: WARNING - Gale or locally severe gale continuing in all areas. PART 2: GENERAL SYNOPSIS, 26/04/29 AT 1200UTC - Thundery low 984 near 43S/50S, moving slowly eastwards, filling later or at end over west of KER. Associated front crossing areas with locally heavy rain. - Ridge 1020/1025 over east of AMS, weakening. - High 1023 at end over far northwest of WAM. PART 3: FORECAST FOR 24 HOURS FROM 26/04/29 at 1800UTC to 26/04/30 at 1800UTC WAM (30S/40S, 50E/65E) Rain, showers and thundersqualls. WIND: - In far northwest: Southwest 6 or 7, gradually decreasing 3 or 4, becoming Anticlockwise at end. - Elsewhere: Northwest 6 or 7, at times 8, backing Southwest 7 or 8, temporarily 9 at first, decreasing 6 or 7 at end. Severe gusts. SEA : very rough or high. SW swell increasing 5 or 6 m. VIS : poor or very poor in precipitation. AMS (30S/40S, 65E/80E) Rain, showers and thundersqualls from west. WIND: - In far northeast: Easterly 4 or 5, backing mainly North 2 to 4 later. - Elsewhere: North 6 or 7, at times 8, backing Northwest soon. Severe gusts. SEA: moderate or rough, becoming gradually very rough or high in far southwest. VIS : poor or very poor in precipitation. CRO (40S/50S, 50E/65E) Rain, showers and thundersqualls. WIND : Clockwise 5 or 6, but 7 or 8 in north, temporarily 9 at first, becoming Westerly 6 or 7 later, at times 8. Severe gusts. SEA : rough or very rough and crossed, locally high in north. VIS : poor or very poor in precipitation. KER (40S/50S, 65E/80E) Rain, showers and squalls. WIND : Northwest 6 or 7, but 7 or 8 under the front, decreasing soon temporarily 4 or 5 in west. Severe gusts. SEA : rough or very rough and crossed, occasionally high. VIS : poor or very poor in precipitation.