Bulletinset for METAREA 7 Edition date (UTC): 2026-08-24 09:46:01 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 240830 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 24th OF AUGUST 2026 AT 08:30 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 241000 TO 251000 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: W to SW 35 in the extreme south towards end of the period. 2. MARION FORTIES EAST: W to NW 35 to 45 in the south-west, spreading to the entire region from mid-period. SYNOPTIC CHART 06:00Z ===================== High 1030 hPa 33s04e. Low 930 hPa 59s44e, Low 1012 hPa 32s52e. 1. Cold front: 43s35e 44s40e 46s46e 48s52e 52s55e 58s54e into 59s44e. AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : E to SE 15 to 25, reaching 30 in the west at first. VIS : Good. ANGOLA (06S/15S, 00E/00N): WIND : S to SW 05 to 15 but SE 10 to 20 in the extreme south-west. VIS : Good. ST HELENA (15S/30S, 00E/20W): WIND : E to SE 10 to 20 but NW 15 to 25 in the south-west. VIS : Good but moderate in showers and thundershowers in the south-west. SEA STATE: 3.0 to 4.0m in the extreme south-west from mid-period, with SW swell. TRADES (15S/30S, 00E/WEST COAST): WIND : Anticyclonic 05 to 10 in the north-west otherwise S to SE 15 to 25. VIS : Good. TRISTAN (30S/40S, 00E/20W): WIND : N to NW 20 to 30. VIS : Good in the east, otherwise moderate to poor in showers and thundershowers. SEA STATE: 3.0 to 4.0m in the west, reaching 4.5 to 5.0m in the extreme west from mid-period, with W to NW swell. CAPE WEST (30S/40S, 00E/20E): WIND : S to SE 15 to 25 in the north, otherwise W to SW 15 to 25, becoming anticyclonic 05 to 15 in the south from mid-period. VIS : Good, but moderate in showers and rain in the south, clearing in the south-east towards end of the period. SEA STATE: 3.0 to 4.0m in the south, reaching 4.5m in the extreme south-west, while subsiding from the west from mid-period, with W to SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : W to SW 15 to 25, reaching 30 to 35 in the south. It will be NW 20 to 30 in the south-east, spreading to the north-east by end of the period. VIS : Good but moderate in showers and rain in the south. SEA STATE: 3.0 to 4.0m except in the north-east until mid-period, reaching 4.5 to 5.5m in the south, but 6.0 to 7.0m in the extreme south towards end of the period, with SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : Anticyclonic 05 to 15 in the west, otherwise W to SW 10 to 20, reaching 25 in the east at first. VIS : Good but moderate in showers and thundershowers in the extreme east at first. SEA STATE: 3.0 to 3.5m except in the extreme west, with S to SW swell. MOZAMBIQUE CHANNEL: WIND : S to SE 10 to 20, but SW 15 to 25 in the south-east until mid- period. VIS : Good. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : SE 10 to 20, but NW 05 to 15 in the south-east becoming variable 05 to 10 in the south from mid-period. VIS : Good but moderate in showers and rain in the south as well as in the north from mid-period. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : W to NW 20 to 30 reaching 35 to 45 in the south-west, spreading to the entire region from mid-period. VIS : Moderate in showers and rain, with possible snow-showers in the south. SEA STATE: 4.0 to 5.0m in the north-east until mid-period, otherwise 6.0 to 7.0m, reaching 8.0 to 9.0m in the south, but 9.0 to 10.0m in the south-west, spreading to the south-east towards mid-period, with W to SW swell. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 26/08/24 AT 0600UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE). PART 1: WARNING - GALE FORCE 8 ONGOING AND EXPECTED OVER CRO AND KER. PART 2: GENERAL SYNOPSIS, 26/08/24 AT 0000UTC - LOW 1009 HPA NEAR 33S/48E ASSOCIATED WITH A COLD FRONT (CF) AXIS 35S/50E, 31S/51E, 28S/48E AND A WARM FRONT (WF) AXIS 35S/50E, 36S/54E, 35S/59E; THE SYSTEM IS MOVING EASTWARD AT 1520 KT. - COLD FRONT (CG) AXIS 61S/56E, 48S/63E, 37S/53E, MOVING EASTWARD AT 2530 KT. - LOW 933 HPA NEAR 60S/34E ASSOCIATED WITH A COLD FRONT (CH) AXIS AT 60S/35E, 53S/49E, 43S/26E, MOVING EASTWARD AT 25/30 KT. PART 3: FORECAST FOR 24 HOURS FROM 26/08/24 AT 0600UTC TO 26/08/25 AT 0600UTC WAM (30S/40S, 50E/65E) RAIN AND FRONTAL SHOWERS UNDER CF, WF, AND CG. LOCALLY THUNDERSTORMS. WIND: NW 4 TO 6, LOCALLY 7 FROM NORTH TO SOUTH, AND CLOCKWISE 3 TO 5 OVER THE NORTH-WESTERN AREA, BECOMING VARIABLE AND LIGHT OVER THE NORTHERN AREA AND WESTERLY 5/6 LOCALLY 7 OVER THE SOUTHERN AREA. GUSTS. SEA : ROUGH, BECOMING MODERATE AND VERY ROUGH OVER THE FAR SOUTHERN AREA. SW SWELL OF 2 TO 3 M ABATING. VIS : POOR DURING PRECIPITATIONS. AMS (30S/40S, 65E/80E) SCATTERED SHOWERS, MORE FREQUENT OVER THE SOUTHERN AREA. WIND: W TO NW, 3 TO 5 FROM NORTH TO SOUTH, INCREASING TO NW 6 OVER THE FAR SOUTHERN AREA. SEA : VERY ROUGH, DECREASING. SW SWELL, 4 TO 5 M, ABATING. VIS : POOR DURING PRECIPITATIONS. CRO (40S/50S, 50E/65E) RAIN, SNOW, AND FRONTAL SHOWERS UNDER CG, THEN CH. WIND: NW 6/7 AHEAD OF CG, BACKING TO SW 5/6 BEHIND IT, THEN BACKING TO NW 7, LOCALLY 8 AHEAD OF CH, AND BACKING TO WESTERLY 5 TO 7, LOCALLY 8, OVER THE FAR SOUTH-WESTERN AREA. SEA : ROUGH TO VERY ROUGH, BECOMING VERY ROUGH TO HIGH. SW SWELL 2 TO 3 M, INCREASING TO 5 TO 7 M AT THE END OF THE PERIOD OVER THE SOUTH-WESTERN AREA. VIS : POOR TO VERY POOR IN PRECIPITATIONS. KER (40S/50S, 65E/80E) SCATTERED SHOWERS, THEN FRONTAL SHOWERS UNDER CH. SNOW OVER SOUTHERN. WIND: WESTERLY 4 TO 6, INCREASING TO NW 5/6, LOCALLY 7 AHEAD OF CH, AND BACKING TO W TO NW 6/7 BEHIND IT. STRONG GUSTS. SEA : ROUGH TO VERY ROUGH. WESTERLY SWELL 3 TO 4 M. VIS : POOR OR VERY POOR IN PRECIPITATIONS.