Bulletinset for METAREA 7 Edition date (UTC): 2026-08-16 19:12:21 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 161600 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 16th OF AUGUST 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 162200 TO 172200 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: W 35 in the south-east until mid-period. 2. CAPE WEST: W to NW 35 over the southern parts. 3. CAPE EAST: W 35 in the south-west towards the end of the period. 4. MARION FORTIES EAST: NW 35 over the central and south-eastern parts. SYNOPTIC CHART 12:00Z ===================== High 1032 hPa 35s38w, High 1024 hPa 20s05w, High 1032 hPa 35s50e. Low 31s14w 1016 hPa, Low 990 hPa 52s27e, Low 957 hPa 55s76e. 1. Cold Front: 24s30w 26s21w into 31s14w. 2. Cold Front: 28s07w 33s08e 40s22e 45s28e into 52s27e. 3. Cold Front: 37s55e 41s71e 46s78e into 55s76e. AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : E to SE 10 to 15. VIS : Good. SEA STATE: 3.0m, with SW swell. ANGOLA (06S/15S, 00E/00N): WIND : S to SE 05 to 15 but SW 05 to 10 in the east. VIS : Good. ST HELENA (15S/30S, 00E/20W): WIND : SE 10 to 20 in the extreme north-east and south-west, with NW 10 to 15 extending from the north-west across to the eastern parts. VIS : Good in the north and north-east, otherwise moderate in showers and thundershowers. SEA STATE: 3.0m, with S to SW swell. TRADES (15S/30S, 00E/WEST COAST): WIND : S to SE 10 to 15. VIS : Good, but moderate in showers in the extreme south-west. SEA STATE: 3.0m, except in the north-east, with SW swell. TRISTAN (30S/40S, 00E/20W): WIND : SE 10 to 20 in the north-west, otherwise W to SW 15 to 25, reaching 30 to 35 in the south-east until mid-period. VIS : Moderate in showers and thundershowers in places. SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.5m in the south-east, with W to SW swell. CAPE WEST (30S/40S, 00E/20E): WIND : SE 05 to 15 in the north-west, spreading to the north-east by mid- period, otherwise, W to NW 15 to 25, reaching 30 to 35 in the southern parts. VIS : Good in the north-east, otherwise moderate in rain and showers. SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in the southern parts, with W to SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : NE 10 to 15 in the north-east, otherwise N to NW 15 to 25,reaching 30 over the central south towards the end of the period. It will become W 20 to 30 in the west and south-west from mid-period, reaching 35 in the south-west towards the end of the period. VIS : Good, but moderate in rain and showers over the western half. SEA STATE: 3.0 to 3.5m, except in the east, reaching 4.0 to 5.0m in the south-west, with W to NW swell, but NE swell in the north-west. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : E to NE 15 to 25 but SE 10 to 15 in the north-west. VIS : Good in the extreme west and south, otherwise moderate to poor in showers and thundershowers. SEA STATE: 3.0m in the east and north-east, with E to NE swell. MOZAMBIQUE CHANNEL: WIND : S to SW 10 to 15, but SE 10 in the south. VIS : Good but moderate in showers in places. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : E to SE 10 to 20, but NE 10 to 15 in the south-west. VIS : Moderate to poor in showers and thundershowers. SEA STATE: 3.0m in the eastern parts, with SE swell. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : NW 20 to 30, reaching 35 over the central and south-eastern parts. It will become SW 10 to 20 in the west and south-west towards mid- period. VIS : Good in the north-east, otherwise moderate in showers and possible snow showers in the south. SEA STATE: 3.0 to 4.0m, except in the north-east at first, with W to NW swell. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 26/08/16 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, LOCALLY STORM OVER KER.- GALE OVER AMS AND CRO. PART 2: GENERAL SYNOPSIS, 26/08/16 AT 1200UTC - WARM FRONT EVACUATING KER, LINKED TO A DEEP LOW 957 NEAR 54S/78E, WITH AN UNSETTLED WEATHER BEHIND.- HIGH 1032 NEAR 35S/52E, SLOWLY MOVING NORTH-EASTWARD._ COLD FRONT OVER SOUTHERN CRO LATER. PART 3: FORECAST FOR 24 HOURS FROM 26/08/16 AT 1800UTC TO 26/08/17 AT 1800UTC WAM (30S/40S, 50E/65E) FEW SHOWERS.WIND: ANTICLOCKWISE 3/4 AT TIMES 5, BUT SW 6/7 WITH GUSTS OVER FAR SOUTH-EASTERN AT FIRST.SEA: MODERATE TO ROUGH, BUT VERY ROUGH OVER FAR SOUTH-EASTERN BY SW SWELL 3 TO 5MVISI: MAINLY GOOD. AMS (30S/40S, 65E/80E) SHOWERS OVER SOUTHERN.WIND: WESTERLY 6/7 AT TIMES 8 OVER FAR SOUTHERN, BUT 4/5 OVER FAR NORTHERN. GUSTS. DECREASING SW 4/5 FROM WEST LATER.SEA: VERY ROUGH TO HIGH, BECOMING SOON ROUGH OVER NORTH-WESTERN. LONG SW SWELL 4 TO 6M ABATING 3 TO 5M.VISI: POOR IN PRECIPITATION. CRO (40S/50S, 50E/65E) SCATTERED SHOWERS. FRONTAL RAIN AND SHOWERS OVER SOUTHERN LATER.WIND: DECREASING WESTERLY 6/7 AT TIMES 8. GUSTS.SEA: ROUGH TO VERY ROUGH, BUT HIGH OVER FAR EASTERN AT FIRST. LONG SW SWELL 3 TO 5 M ABATING.VISI : POOR IN PRECIPITATION. KER (40S/50S, 65E/80E) SHOWERS, AT TIMES THUNDERY AT FIRST.WIND: SW 8/9, LOCALLY 10 OVER FAR SOUTH-EASTERN AT FIRST, DECREASING WESTERLY 6/7 FROM WEST LATER. SEVERE GUSTS.SEA: HIGH BECOMING GRADUALLY VERY ROUGH FROM WEST. LONG SW SWELL 4 TO 6M SPREADING GRADUALLY FROM WESTVIS: POOR OR VERY POOR IN PRECIPITATION.=