Bulletinset for METAREA 7 Edition date (UTC): 2025-11-18 09:23:48 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 180830 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 18TH OF NOVEMBER 2025 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 181000 TO 191000 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: W to NW 35 in the south-west towards the end of the period. SYNOPTIC CHART 06:00Z ===================== High 1028 hPa 34s01e, High 1023 hPa 34s36e Low 962 hPa 63s11e, Low 990 hPa 50s59e 1. Cold Front: 39s14e 45s24e 50s25e 55s26e into 63s11e 2. Cold Front: 35s50e 40s60e 45s62e into 50s59e AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : SE to E 10 to 15. VIS : Good. ANGOLA (06S/15S, 00E/00N): WIND : SE 05 to 15, but SW to S 05 to 10 in the east. VIS : Good. ST HELENA (15S/30S, 00E/20W): WIND : SE to E 10 to 20, but NE 05 to 15 in the south-west. VIS : Good. TRADES (15S/30S, 00E/WEST COAST): WIND : S to SE 10 to 20 reaching 25 to 30 in the south-east. VIS : Good. SEA STATE: 3.0m in the south-east, with S to SE swell. TRISTAN (30S/40S, 00E/20W): WIND : Anticyclonic 05 to 15 in the east, otherwise NW 10 to 20 reaching 25 to 30 in the south-west. VIS : Good, becoming moderate in showers and rain in the extreme south-west towards the end of the period. SEA STATE: 3.0 to 3.5m in the south, reaching 4.0 to 4.5m in the south- west, with SW to W swell. CAPE WEST (30S/40S, 00E/20E): WIND : Anticyclonic 05 to 15 in the west, otherwise S to SE 10 to 20 reaching 25 to 30 in the north-east but SW 10 to 20 in the south. VIS : Good, but moderate in showers and rain in the extreme south- east until mid-period. SEA STATE: 3.0m in the north-east with S to SE swell, but 3.0 to 3.5m in the south-west with SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : NE to E 10 to 20 in the north-west until mid-period, but W to NW 10 to 20 in the south, otherwise anticyclonic 05 to 15, but SW to S 05 to 15 in the south-west and south-east. VIS : Good, but moderate in showers and rain in the south and north- west. SEA STATE: 3.0 to 4.0m in the east, with SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : NE 10 to 20 in the south-west until mid-period, otherwise E to SE 05 to 15 reaching 20 to 25 in the north-east. VIS : Good, but moderate to poor in showers and thundershowers in the north and in the extreme west. SEA STATE: 3.0m in the north-east, with S to SE swell. MOZAMBIQUE CHANNEL: WIND : N to NE 05 to 15 in the north, otherwise S to SE 10 to 20 reaching 25 to 30 in the south-east, spreading to the west towards the end of the period. VIS : Moderate to poor in showers and thundershowers in places. SEA STATE: 3.0m in the south, with S to SE swell. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : NE to N 05 to 15, but S to SE 10 to 20 in the south. VIS : Good, but moderate to poor in showers and thundershowers in the southern and western parts. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : SW 20 to 30 in the east until mid-period, otherwise W to NW 15 to 25 reaching 30 to 35 in the south-west towards the end of the period. VIS : Good, becoming moderate in showers and rain in the west towards mid-period, drifting over the central parts towards the end of the period. SEA STATE: 3.0 to 4.0m reaching 5.0 to 6.0m in the east at first, with SW to W swell. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 2025/11/18 AT 0500UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE). PART 1: WARNING - GALE FORCE 8 OVER CRO. PART 2: GENERAL SYNOPSIS, 2025/11/18 AT 0000UTC - LOW 1009 HPA NEAR 45S/77E ASSOCIATED WITH A COLD FRONT (CF) AXIS 45S/77E, 34S/72E, 25S/ MOVING EASTWARD AT 15/20 KT. - LOW 969 HPA NEAR 51S/53E ASSOCIATED WITH A COLD FRONT (CF) AXIS 52S/57E, 43S/58E, 36S/48E MOVING EASTWARD AT 20/25 KT. PART 3: FORECAST FOR 24 HOURS FROM 2025/11/18 AT 0600UTC TO 2025/11/19 AT 0600UTC WAM (30S/40S, 50E/65E) RAIN AND FRONTAL SHOWERS OVER SOUTHERN AREA UNDER CG. WIND: W TO SW 5 TO 7 FROM NORTH TO SOUTH OVER SOUTHERN AREA, SETTLING UP SW 5 TO 6. SEA : MODERATE TO VERY ROUGH FROM NORTH TO SOUTH. SW SWELL 2 TO 4 M. VIS : POOR IN PRECIPITATIONS. AMS (30S/40S, 65E/80E) RAIN AND FRONTAL SHOWERS UNDER CF, THEN UNDER CG AT THE END OF THE PERIOD. WIND: NW 3 TO 5 AHEAD OF CF, VARIABLE AND LIGHT BEHIND, THEN INCREASING WESTERLY 5 TO 6 FROM NORTH TO SOUTH, LOCALLY 7. SEA : MODERATE TO ROUGH FROM NORTH TO SOUTH, BECOMING VERY ROUGH OVER FAR SOUTHERN AREA. WESTERLY SWELL 2 TO 4 M. VIS : POOR IN PRECIPITATIONS. CRO (40S/50S, 50E/65E) RAIN, SQUALLS AND FRONTAL SHOWERS UNDER CG. WIND: WESTERLY 6/7 LOCALLY 8, SETTLING UP SW 5 TO 7. SEA : ROUGH TO VERY ROUGH, LOCALLY HIGH. WESTERLY SWELL 3 TO 5 M. VIS : POOR TO VERY POOR IN PRECIPITATIONS. KER (40S/50S, 65E/80E) RAIN, SQUALLS AND FRONTAL SHOWERS UNDER CG. WIND: VARIABLE AND LIGHT AT THE BEGINNING OF THE PERIOD, BECOMING CLOCKWISE 4 TO 6, LOCALLY 7. SEA : ROUGH TO VERY ROUGH. WESTERLY SWELL 2 TO 3 M. VIS : POOR TO VERY POOR IN PRECIPITATIONS.= OR VERY POOR IN PRECIPITATION CF.