Bulletinset for METAREA 7 Edition date (UTC): 2026-09-20 21:08:48 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 201330 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 20th OF SEPTEMBER 2026 AT 13:30 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 202200 TO 212200 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. MARION FORTIES EAST: SW 35 to 40 in the south-east until mid-period. SYNOPTIC CHART 12:00Z ===================== High 1029 hPa 34s04e, High 1034 hPa 33s51e Low 1017 hPa 38s16e 1. Cold Front: 29s20w 31s15w 37s13w into 38s16e. 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. VIS : Good. ST HELENA (15S/30S, 00E/20W): WIND : E to SE 05 to 15 but SW to S 15 to 25 in the south-west, where it will become SE from mid-period. VIS : Good but moderate to poor in showers and thundershowers in the south-west at first. SEA STATE: 3.0 to 3.5m in the south-west until mid-period, with SE swell. TRADES (15S/30S, 00E/WEST COAST): WIND : S to SE 15 to 25. VIS : Good. SEA STATE: 3.0 m in the central and south-eastern parts at first, with S to SE swell. TRISTAN (30S/40S, 00E/20W): WIND : NW 20 to 30 in the east, otherwise S to SW 15 to 25, reaching 30 in the west and cyclonic 05 to 10 in the south-eastern Parts, while spreading eastwards it will become anticyclonic I the west from mid-period. VIS : Good but moderate to poor in showers and thundershowers across the central northern parts to the south-east. SEA STATE: 3.0 to 4.0m in the west and south-east, with W to SW swell. CAPE WEST (30S/40S, 00E/20E): WIND : S to SE 15 to 25 but W to NW 05 to 15 in the west, becoming SW 05 to 15 in the south-west towards end of period. VIS : Good, but moderate in showers and rain in the extreme west, until mid-period. SEA STATE: 3.0 to 3.5m in the east at first, with SW swell in the south-east, but SE in the north-east. CAPE EAST (32.5S/40S, 20E/50E): WIND : Anticyclonic 15 to 25 in the east, otherwise SE 05 to 10 but SW to W 05 to 15 in the south-west at first, becoming cyclonic 20 to 30 in the central parts from mid- period. VIS : Good becoming moderate to poor in places in the central and southern parts. SEA STATE: 3.0 to 4.0m, reaching 5.0m in the central-south, with SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : E to NE 15 to 25, becoming SE 05 to 15 in the central-north but SW 05 to 15 in the south-west from mid-period. VIS : Good but moderate to poor in showers and rain in the east and in the south-west. SEA STATE: 3.0m in the central parts, with S to SE swell. MOZAMBIQUE CHANNEL: WIND : S to SE 15 to 25 but W to SW 05 to 15 in the east. VIS : Good. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : N to NE 05 to 15 in the south, otherwise E to SE 15 to 25, reaching 30 in the north-west. VIS : Moderate in showers and rain in the central, otherwise good. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : SW 20 to 30, reaching 35 to 40 in the south-east until mid- period, while becoming SE 10 to 20 in the north. VIS : Good but moderate in showers and rain in the north but poor in snow-showers over the south-east. SEA STATE: 10.0 to 12.0m in the south-east until mid-period, otherwise 4.0 to 5.0m reaching 6.0 to 7.0m in the southern parts, but reaching 8.0 to 9.0m in the south, with W to SW swell. AREA 2: ====== MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 26/09/20 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 CRO. PART 2: GENERAL SYNOPSIS, 26/09/20 AT 0000UTC - DISTURBED FRESH OR STRONG WESTERLY FLOW OVER SOUTHERN PART OF BASIN. - COLD FRONT AXIS: 42S/29S, 44S/49E, 47S/65E, 50S/69E, 63S/68E MOVING EASTWARD . - ANTICLOCKWISE 1034 HPA NEAR 34S/46E EXPECTED 1030 HPA NEAR 30S/58E AT END. PART 3: FORECAST FOR 24 HOURS FROM 26/09/20 AT 0600UTC TO 26/09/21 AT 0600UTC WAM (30S/40S, 50E/65E) SHOWERS OVER FAR SOUTHERN AT END. WIND: ANTICLOCKWISE 3 TO 5, BUT WESTERLY 5 TO 6 TEMPORARILY 7 OVER SOUTHERN. SEA : MODERATE OR ROUGH, VERY ROUGH OVER FAR SOUTHERN. SW SWELL 2 TO 3 M. VIS : POOR IN PRECIPITATION. AMS (30S/40S, 65E/80E) SHOWERS OVER EASTERN AT FIRST. WIND: VARIABLE 3 TO 5 BECOMING ANTICLOCKWISE 3 TO 4 OVER NORTHERN SOON AND WESTERLY 5 TO 6 TEMPORARILY 7 OVER SOUTHERN. SEA : MODERATE OR ROUGH, VERY ROUGH OVER FAR SOUTHERN SOON. SW SWELL 2 TO 3 M. VIS : POOR IN PRECIPITATION. CRO (40S/50S, 50E/65E) FRONTAL SHOWERS. WIND: WESTERLY 6 TO 7, LOCALLY 8 BECOMING WESTERLY TO SOUTH-WEST 7 TO 8 LOCALLY 9 BY SOUTH-WESTERN SOON. SEVERE GUSTS. SEA : ROUGH OR VERY ROUGH, HIGH TO VERY HIGH BY SOUTH-WESTERN SOON. SOUTH-WESTERLY SWELL 3 TO 5 M. VIS : POOR TO VERY POOR IN PRECIPITATION. KER (40S/50S, 65E/80E) FRONTAL SHOWERS. SNOW SHOWERS OVER SOUTHERN AREA. WIND: WESTERLY 6 TO 7, DECREASING TEMPORARILY 5 TO 6 BY WESTERN AT FIRST. GUSTS. SEA : ROUGH OR VERY ROUGH BECOMING HIGH OVER FAR SOUTH-WESTERN AT FIRST. SOUTH-WESTERLY SWELL, 2 TO 4 M INCREASING WESTERLY 3 TO 5 M BY SOUTH-WESTERN AT END. VIS : POOR TO VERY POOR IN PRECIPITATION.