Bulletinset for METAREA 7 Edition date (UTC): 2026-08-23 08:56:14 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 230830 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 23RD 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 231000 TO 241000 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: Cyclonic 35 to 40 in the north-east until mid-period. 2. DURBAN EAST: Cyclonic 35 in the east towards mid-period. 3. MARION FORTIES EAST: SW 35 in the north-east at first, but NW to W 35 to 45 in the south-west spreading to the south-east from mid-period. SYNOPTIC CHART 06:00Z ===================== High 1028 hPa 33s06e. Low 956 hPa 55s13w, Low 952 hPa 62s27e, Low 1016 hPa 34s41e. 1. Cold front: 44s04w 50s12e 56s20e 59s19e into 55s13w. 2. Cold front: 41s46e 56s50e 64s55e 68s23e into 62s27e. AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : E to SE 10 to 20. VIS : Good. ANGOLA (06S/15S, 00E/00N): WIND : S to SE 05 to 15 but Variable 05 to 10 in the east. VIS : Good. ST HELENA (15S/30S, 00E/20W): WIND : Anticyclonic 05 to 15 in the south, otherwise E to SE 10 to 20 reaching 25 becoming NW 10 to 20 in the south-west from mid- period. VIS : Good. TRADES (15S/30S, 00E/WEST COAST): WIND : Anticyclonic 05 to 15 in the south-west otherwise S to SE 15 to 25, becoming variable 05 to 10 in the north-east from mid-period. VIS : Good. SEA STATE: 3.0m in places in the south-east until mid-period, with SE swell TRISTAN (30S/40S, 00E/20W): WIND : Anticyclonic 05 to 15 in the north-east, otherwise W to NW 15 to 25 reaching 30 in places. VIS : Good but moderate in showers and rain in the west and south. SEA STATE: 3.0 to 4.0m in the south, with W to NW swell. CAPE WEST (30S/40S, 00E/20E): WIND : NW 15 to 25 in the south-west but SE 15 to 25 in the north-east, otherwise Anticyclonic 05 to 15 but SW 15 to 25 in the south-east reaching 30 until mid-period. VIS : Good but moderate in rain and showers in the extreme south. SEA STATE: 3.5 to 4.5m in the south, with W to SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : Variable 05 to 10 in the extreme north-west otherwise W to SW 10 to 20 reaching 25 to 30 in the south but cyclonic 20 to 30 in the north-east reaching 35 to 40 until mid-period. VIS : Good but moderate in showers and thundershowers in the east until mid-period and in the south towards the end of the period. SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.0m in the south, with W to SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : Anticyclonic 05 to 15 in the extreme west from mid-period, otherwise S to SW 10 to 20 reaching 25 in places becoming Cyclonic 20 to 30 in the east towards mid-period reaching 35. VIS : Good but moderate in showers and thundershowers in the east. SEA STATE: 3.0 to 4.0m, with S to SW swell. MOZAMBIQUE CHANNEL: WIND : S to SW 10 to 20 reaching 25 in the south-east until mid-period. VIS : Good. SEA STATE: 3.0 to 3.5m in the south, with S to SW swell. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : E to SE 10 to 20, but N to NE 05 to 15 in the south becoming NW 10 to 20 from mid-period. VIS : Good but moderate in showers and thundershowers in the south towards the end of the period. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : SW 25 to 35 in the north-east at first, otherwise NW to W 20 to 30 reaching 35 to 45 in the south-west spreading to the south-east from mid-period. VIS : Good in the east until mid-period, otherwise moderate in showers and rain. SEA STATE: 3.5 to 4.5m in the north, otherwise 5.5 to 6.5m reaching 7.5 to 8.5m in the south but 9.0 to 10.0m in the extreme south from mid- period, with W to SW swell. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 2026/08/23 AT 0500UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE). PART 1: WARNING - GALE TO LOCALLY SEVERE GALE CONTINUING OR EXPECTED OVER AMS, CRO AND KER. PART 2: GENERAL SYNOPSIS, 26/08/23 AT 0000UTC - LOW 974 NEAR 49S/74E WITH ASSOCIATED COLD FRONT OVER FAR EAST OF THE BASIN, RAPIDLY MOVING EASTWARDS.- NEW COLD FRONT AND TROUGH GOING QUICKLY OVER CRO WITH LOW DEEPENING 1011 LATER OVER FAR NORTHWEST OF WAM.- LOCALLY HIGH PRESSURES 1020/1025 OVER FAR NORTH OF AREAS. PART 3: FORECAST FOR 24 HOURS FROM 26/08/23 AT 0600UTC TO 26/08/24 AT 0600UTC WAM (30S/40S, 50E/65E) RAIN OR SHOWERS FROM WEST, AT TIMES THUNDERY. WIND: SOUTHWEST DECREASING 3 OR 4, BUT LOCALLY ANTICLOCKWISE 2 OR 3 IN FAR NORTH, INCREASING SOON NORTHWEST 5 OR 6, AT TIMES 7, BECOMING LOCALLY CLOCKWISE 5 OR 6 LATER IN FAR NORTHWEST. GUSTS. SEA : ROUGH OR VERY ROUGH IN SW SWELL, LOCALLY HIGH IN FAR SOUTHEAST, DECREASING SLOWLY. VIS: POOR IN PRECIPITATION. AMS (30S/40S, 65E/80E) RAIN OR SHOWERS. WIND: SOUTHWEST 5 OR 6, BUT 7 OR 8 IN SOUTH AND NORTHWEST 5 OR 6 AT FIRST IN FAR NORTHEAST, DECREASING SOON 4 OR 5 AND BECOMING LOCALLY ANTICLOCKWISE 2 OR 3 IN FAR NORTH, INCREASING ELSEWHERE WEST 5 OR 6 LATER, AT TIMES 7. GUSTS/W OR SW 5 TO 6 AT TIMES 7. GUSTS. SEA : VERY ROUGH OR HIGH IN SW SWELL, DECREASING LATER. VIS : POOR IN PRECIPITATIONS. CRO (40S/50S, 50E/65E) FRONTAL RAIN OR SHOWERS. SNOW. WIND: SOUTHWEST DECREASING 4 OR 5, INCREASING RAPIDLY NORTHWEST 7 OR 8 WITH SEVERE GUSTS. SEA : ROUGH OR VERY ROUGH, BUT HIGH AT FIRST IN FAR EAST THEN AT END IN FAR SOUTHWEST. SW SWELL 6 OR 7 M IN NORTHEAST, ABATING. VIS : POOR OR VERY POOR IN PRECIPITATION. KER (40S/50S, 65E/80E) FRONTAL RAIN OR SHOWERS. SNOW. WIND: SOUTHWEST 7 OR 8, AT TIMES 9, BUT CLOCKWISE AT FIRST IN FAR SOUTHEAST, DECREASING 5 OR 6 FROM WEST, INCREASING NORTHWEST 6 OR 7 AT END IN WEST. SEVERE GUSTS. SEA : HIGH OR VERY HIGH AND CROSSED, DECREASING GRADUALLY ROUGH OR VERY ROUGH. SW SWELL 6 OR 7 M, ABATING LATER. VIS : POOR OR VERY POOR IN PRECIPITATION.=