Bulletinset for METAREA 7 Edition date (UTC): 2026-07-31 22:43:51 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 311600 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 31ST OF JULY 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 312200 TO 012200 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 mid-period. 2. TRISTAN : Cyclonic 35 in the west from the morning, spreading to the north from mid-period, while moderating in the west. 3. CAPE EAST: E to NE 35 in the west at times, but S to SE 35 to 40 in places in the central, east and northern parts, moderating in the east from mid-period. 4. DURBAN EAST: Cyclonic 35 to 40 in places in the west and southern parts at times. 5. MOZAMBIQUE CHANNEL: S to SW 35 in the south-west at first and towards the end of the period. 6. MARION FORTIES EAST: W to NW 35 in the southern parts, moderating in the south-west towards the end of the period. SYNOPTIC CHART 12:00Z ===================== High 1041 hPa 47s47e. Low 992 hPa 41s09w, Low 1013 hPa 28s43e. 1. Cold front: 20s35w 26s24w 32s15w 36s10w into 41s09w. 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 in the north, otherwise W to NW 15 to 25, becoming SW 15 to 25 in the south-west from the morning, reaching 30 to 35 towards mid-period. VIS : Good, but moderate to poor in showers and thundershowers in the south-west, spreading to the south and west from the morning, while clearing in the south-west. SEA STATE: 3.0 to 4.0m in the south and south-west, reaching 4.5 to 5.0m in the south-west towards mid-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 in the east, but cyclonic 15 to 25 in the west, reaching 30 to 35 from the morning, spreading to the north from mid-period, while moderating in the west, otherwise S to SW 15 to 25. VIS : Moderate to poor in showers and thundershowers in places, clearing in the south from the morning, as well as west from the afternoon. SEA STATE: 3.0 to 4.0m except in the north-east, reaching 5.0 to 6.0m in the west, south and south-east, 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, but moderate in showers and rain in the south-west. SEA STATE: 3.0 to 4.0m in the east and south-west, with W to NW 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 at times, otherwise S to SE 15 to 25, reaching 30 to 40 in places in the central, east and northern parts, moderating in the east from mid-period. VIS : Good but moderate to poor in showers and rain in the central, north and eastern parts. 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 the south-east, otherwise cyclonic 15 to 25, reaching 30 to 40 in places in the west and southern parts at times. VIS : Moderate to poor in showers and thundershowers in places. SEA STATE: 3.0m to 4.0m in the west and southern parts, spreading to the south-east from the morning, reaching 4.5 to 5.5m in the south and west, with S to SW swell. MOZAMBIQUE CHANNEL: WIND : S to SW 15 to 25 reaching 30 to 35 in the south-west at first and towards the end of the period. VIS : Good, but moderate in showers and rain in the south and central parts, clearing in the central from mid-period. SEA STATE: 3.0 to 4.0m in the central and southern half, reaching 4.5 to 5.0m in the south, with S to SW swell. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : N to NE 10 to 20 in the south, otherwise E to SE 05 to 15. VIS : Moderate to poor in showers and thundershowers in the southern parts, otherwise moderate in showers and rain. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : E to NE 15 to 25 in the northern parts, becoming anti-cyclonic 05 to 15 from mid-period, otherwise W to NW 15 to 25, reaching 30 to 35 in the southern parts, moderating in the south-west towards the end of the period. VIS : Good but moderate to poor in showers and rain in the south- west, spreading to the south-east from the morning. SEA STATE: 3.0 to 4.0m reaching 5.0 to 6.0m in the south, 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 1600UTC 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 1200UTC - THUNDERY LOW 1013 NEAR 30S/43E, LITTLE CHANGE. - COLD FRONT AXIS 40S/64E, 50S80E, MOVING NORTHEASTWARDS. - HIGH 1030 NEAR 35S/75E, MOVING EASTWARDS. - HIGH 1041 NEAR 46S/47E, MOVING EASTWARDS, EXPECTED SOON OVER CRO. PART 3: FORECAST FOR 24 HOURS FROM 26/07/31 AT 1800UTC TO 26/08/01 AT 1800UTC WAM (30S/40S, 50E/65E) RAIN OR SHOWERS, AT TIMES THUNDERY OVER NORTHWESTERN. WIND : OVER NORTHERN : E OR NE 3 OR 4, GRADUALLY INCREASING 5 OR 6 LATER. GUSTS. OVER SOUTHERN : SE 6 OR 7, DECREASING E 5 OR 6 LATER. GUSTS. SEA : ROUGH OR ROUGH FROM NORTH TO SOUTH. SSW SWELL INCREASING OVER SOUTHERN, 3 TO 5 METERS AT END. VISI : POOR IN PRECIPITATION. AMS (30S/40S, 65E/80E) RAIN OR SHOWERS OVER SOUTHERN, BECOMING LESS FREQUENT LATER. WIND : OVER NORTHERN : ANTICLOCKWISE 3 TO 5, INCREASING SE 5 OR 6 LATER. GUSTS. OVER SOUTHERN : ANTICLOCKWISE 3 TO 5 BUT W 5 OR 6 OVER FAR SOUTHERN, INCREASING SOUTH 5 OR 6, AT TIMES 7, LATER BEHIND THE FRONT, DECREASING ANTICLOCKWISE 3 OR 4 OVER WESTERN AT END. GUSTS. SEA: ROUGH, TO LOCALLY VERY ROUGH OVER SOUTHERN. SW SWELL ARRIVAL LATER OVER SOUTHERN, 4 TO 6 METERS. VISI: POOR IN PRECIPITATION. CRO (40S/50S, 50E/65E) SCATTERED SHOWERS. WIND : S 7 OR 8, DECREASING ANTICLOCKWISE 4 OR 5 FROM WEST SOON, INCREASING NW 7 OR 8 OVER SOUTHERN LATER. SEVERE GUSTS. SEA : ROUGH TO HIGH FROM NORTHWEST TO SOUTHEAST, OCCASIONALLY VERY HIGH OVER SOUTHWESTERN AT FIRST. LONG SW SWELL 6 OR 7 METERS OVER SOUTHERN, DECREASING 4 OR 5 METERS AT END. VISI : POOR IN PRECIPITATION. KER (40S/50S, 65E/80E) FRONTAL RAIN OR SHOWERS, BECOMING LESS FREQUENT LATER. WIND : SW 6 OR 7, LOCALLY 8 OVER SOUTHERN, BECOMING ANTICLOCKWISE 3 TO 5 FROM NW LATER BUT W 7 OR 8 OVER SOUTHERN. SEVERE GUSTS. SEA: VERY ROUGH TO HIGH, LOCALLY VERY HIGH OVER SOUTHERN. LONG SW SWELL INCREASING 7 OR 8 M FROM SOUTHWEST SOON. VISI: POOR IN PRECIPITATION.=