Bulletinset for METAREA 7 Edition date (UTC): 2026-07-31 10:57:06 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 310830 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 31ST OF JULY 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 311000 TO 011000 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. ST HELENA: SW 35 in the south-west towards the end of the period. 2. TRISTAN : Cyclonic 35 to 45 in the southern parts until mid-period, becoming cyclonic 35 in the west from tomorrow morning. 3. CAPE EAST: E to NE 35 in the west from this afternoon, but S to SW 35 to 40 in places in the eastern and northern parts. 4. DURBAN EAST: Cyclonic 35 to 40 in places in the west and southern parts, moderating in the west from tomorrow morning. 5. MOZAMBIQUE CHANNEL: S to SW 35 in the south-west until tomorrow morning. 6. MARION FORTIES EAST: W to NW 35 in the south and south-west, spreading to the south-east from the evening. SYNOPTIC CHART 06:00Z ===================== High 1040 hPa 47s44e. Low 987 hPa 40s15w, Low 1015 hPa 29s42e. 1. Cold front: 22s31w 29s21w 34s15w into 40s15w. 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 : Variable 05 to 10, otherwise W to NW 15 to 25, becoming SW 15 to 25 in the south-west from mid-period, reaching 30 to 35 towards the end of the period. VIS : Good, but moderate to poor in showers and thundershowers in the south-west, spreading to the south from tomorrow morning. SEA STATE: 3.0 to 4.0m in the south-west from mid-period, reaching 4.5 to 5.0m towards the end of the period, with SW swell. TRADES (15S/30S, 00E/WEST COAST): WIND : Variable 05 to 10 in the south-west, otherwise S to SE 05 to 15. VIS : Good. TRISTAN (30S/40S, 00E/20W): WIND : N to NW 15 to 25, but cyclonic 35 to 45 in the southern parts until mid-period. It will become cyclonic 15 to 25 in the west from the evening, reaching 30 to 35 from tomorrow morning. VIS : Good but moderate to poor in showers and thundershowers in places in the west, central and southern parts, spreading to the east from tomorrow morning. SEA STATE: 3.0 to 4.0m, except in the north-east, reaching 5.0 to 7.0m in the south and south-west, spreading to the south-east from tomorrow morning, while subsiding in the south-west, with W to SW swell. CAPE WEST (30S/40S, 00E/20E): WIND : E to NE 15 to 25 in the east, but anti-cyclonic 05 to 15 in the central and northern parts, otherwise N to NW 15 to 25, reaching 30 in the south-west at times. VIS : Good, becoming moderate in showers and rain in the south-west from tomorrow morning. SEA STATE: 3.0 to 4.0m in the east and south-west, with W to SW swell in the south-west, but E to NE in the east. CAPE EAST (32.5S/40S, 20E/50E): WIND : Variable 05 to 10 in the south, but E to NE 15 to 25 in the west, reaching 30 to 35 from this afternoon, otherwise S to SW 15 to 25, reaching 30 to 40 in places in the eastern and northern parts. VIS : Good but moderate to poor in showers and rain in the central and east. SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m over the north, central and eastern parts, with S to SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : E to NE 10 to 20 in the east, reaching 25 to 30 in places from mid-period, otherwise cyclonic 15 to 25, reaching 30 to 40 in places in the west and southern parts, moderating in the west from tomorrow morning. VIS : Good in the south-west, but moderate in showers and rain in the west, otherwise moderate to poor in showers and thundershowers. SEA STATE: 3.0m to 4.0m in the south and western parts, spreading to the south-east from tomorrow morning, reaching 4.5 to 5.5m in the west, with S to SW swell. MOZAMBIQUE CHANNEL: WIND : S to SW 15 to 25 reaching 30 to 35 in the south-west until tomorrow morning. VIS : Good, but moderate in showers and rain in the south and central parts. SEA STATE: 3.0 to 4.0m in the south and south-west, spreading to the central from the evening, reaching 4.5 to 5.0m in the south-west, with S to SW swell. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : Variable 05 to 10 in the south, otherwise S to SE 05 to 15. It will become N to NE 10 to 20 in the south from the evening. VIS : Moderate in showers and rain in the east, but moderate to poor in showers and thundershowers in the southern parts, otherwise good. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : E to SE 15 to 25 in the north and eastern parts, but anti-cyclonic 05 to 15 in the central parts, otherwise W to NW 15 to 25, reaching 30 to 35 in the south and south-west, spreading to the south-east from the evening. VIS : Good becoming moderate to poor in showers and rain in the south- west from the evening, spreading to the south-east from tomorrow morning. SEA STATE: 3.0 to 4.0m reaching 5.0 to 6.0m in the south, but 7.0m in the south-east at first, with W to SW swell. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 26/07/31 AT 0500UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE). PART 1: WARNING - STRONG GALE FORCE 9 OVER SOUTHERN CRO AREA AND SOUTHERN KER AREA. PART 2: GENERAL SYNOPSIS, 26/07/31 AT 0000UTC - THUNDERY LOW 1015 NEAR 30S/39E, LITTLE CHANGE. - COLD FRONT AXIS 44S/54E, 50S64E, 55S/75E, MOVING EASTWARDS. - HIGH 1031 NEAR 37S/74E, SLOWLY MOVING EASTWARDS. - HIGH 1038 NEAR 49S/40E, MOVING EASTWARDS, EXPECTED SOON OVER CRO. PART 3: FORECAST FOR 24 HOURS FROM 26/07/31 AT 0600UTC TO 26/08/01 AT 0600UTC WAM (30S/40S, 50E/65E) RAIN OR SHOWERS, AT TIMES THUNDERY IN NORTHWEST. WIND: NORTHEAST 4 OR 5, INCREASING SOUTHEAST 5 OR 6 IN SOUTH, AT TIMES 7. GUSTS. SEA : ROUGH, BECOMING LOCALLY VERY ROUGH IN SOUTH. VIS : POOR IN PRECIPITATION. AMS (30S/40S, 65E/80E) RAIN OR SHOWERS. WIND : ANTICLOCKWISE 3 TO 5, MAINLY WEST IN SOUTH, INCREASING SOUTH 5 OR 6, AT TIMES 7, IN FAR SOUTH LATER BEHIND THE FRONT. SEA : ROUGH IN SW SWELL, BECOMING LOCALLY VERY ROUGH AND CROSSED IN SOUTH. VIS : POOR IN PRECIPITATION. CRO (40S/50S, 50E/65E) RAIN OR SHOWERS. WIND : SOUTHERLY 7 OR 8, OCCASIONALLY 9 IN SOUTH, DECREASING ANTICLOCKWISE 4 OR 5 FROM WEST SOON, INCREASING NORTHWEST 7 OR 8 IN SOUTH AT END. SEVERE GUSTS. SEA : BECOMING VERY ROUGH OR HIGH, OCCASIONALLY VERY HIGH IN SOUTH. LONG SW SWELL INCREASING 7 OR 8 M IN SOUTH. VIS : POOR IN PRECIPITATION. KER (40S/50S, 65E/80E) RAIN OR SHOWERS. WIND : WEST 6 OR 7, INCREASING SOUTHWEST 7 OR 8, AT TIMES 9 IN SOUTH, BEHIND THE FRONT, DECREASING 5 OR 6 IN NORTHWEST AT END. SEVERE GUSTS. SEA : VERY ROUGH, BECOMING HIGH OR VERY HIGH. LONG SW SWELL INCREASING 7 OR 8 M FROM SOUTHWEST LATER. VIS : POOR IN PRECIPITATION.