Bulletinset for METAREA 7 Edition date (UTC): 2025-11-19 01:40:04 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 181630 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 18TH OF NOVEMBER 2025 AT 16:30 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 182200 TO 192200 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 mid-period. SYNOPTIC CHART 12:00Z ===================== High 1028 hPa 34s01e, High 1021 hPa 35s37e Low 957 hPa 63s10e, Low 990 hPa 50s62e 1. Cold Front: 38s19e 45s28e 50s30e 55s31e into 63s10e 2. Cold Front: 34s55e 40s64e 45s66e into 50s62e 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 : Variable 05 to 10 in the extreme north-east until mid-period, otherwise S to SE 10 to 20 reaching 25 to 30 in the south- east. VIS : Good. SEA STATE: 3.0 to 3.5m 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 mid-period. SEA STATE: 3.0 to 3.5m in the south with SW swell, but 3.5 to 4.5m in the south-west with W to NW 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 at first. SEA STATE: 3.0m in the north-east with S to SE swell, but 3.0 to 3.5m in the south-west, spreading to the south-east towards the end of the period, with SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : W to NW 10 to 20 in the south, otherwise anticyclonic 05 to 15, but SW 05 to 15 in the south-west but in the south-east at first. VIS : Good, but moderate in showers and rain in the south and north- west, drifting to the east towards the end of the period. SEA STATE: 3.0 to 4.0m in the east until mid-period, with SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : S to SW 10 to 20 in the south-west until towards 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, as well as in the extreme west. SEA STATE: 3.0m in the north-east, with S to SE swell. MOZAMBIQUE CHANNEL: WIND : N to NW 10 to 20 in the north, otherwise S to SE 10 to 20 reaching 25 to 30 in the west and south-east. VIS : Moderate to poor in showers and thundershowers in places, becoming good from the south by mid-period. SEA STATE: 3.0m in the south-east, 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 : W to NW 15 to 25 reaching 30 to 35 in the south-west towards mid-period. VIS : Good, but moderate in showers and rain in the west, spreading to the east towards the end of the period. SEA STATE: 3.0 to 4.0m reaching 5.0 to 6.0m in the south-west towards the end of the period, with SW to W swell. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 25/11/18 AT 1600UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE). PART 1: WARNING - GALE FORCE 8 EXPECTED OVER KER LATER. PART 2: GENERAL SYNOPSIS, 25/11/18 AT 1200UTC - COLD FRONT, LOW ACTIVITY, OVER EASTERN AMS, MOVING SLOWLY EASTWARD. - DEEPENING LOW 989 HPA NEAR 48S/64E WITH COLD FRONT AXIS 35S/56E, 37S/63E, 42S/65E, 48S/65E MOVING EASTWARD 20 KT. - HIGH 1020 HPA NEAR 35S/36E WITH A RIDGE EXTENDING OVER WAM AND AMS LATER. PART 3: FORECAST FOR 24 HOURS FROM 25/11/18 AT 1800UTC TO 25/11/19 AT 1800UTC WAM (30S/40S, 50E/65E) SHOWERS OVER SOUTHERN AREA. WIND: W TO SW 4 TO 5 OVER NORTHERN, 5 TO 6 LOCALLY 7 OVER SOUTHERN, DECREASING ANTICLOCKWISE 2 TO 4 BY WESTERN AREA SOON. GUSTS. SEA : MODERATE TO ROUGH LOCALLY VERY ROUGH IN SOUTHERN AREA. SW SWELL 2 TO 4 M. VIS : POOR IN PRECIPITATION. AMS (30S/40S, 65E/80E) RAIN AND FRONTAL SHOWERS UNDER CF, THEN UNDER CG AT THE END OF THE PERIOD. WIND: NW 3 TO 5OVER NORTHEASTERN BACKING W 3 TO 5IN NORTH,5 O 6 LOCALLY 7 IN SOUTH. GUSTS. SEA : MODERATE TO ROUGH FROM NORTH TO SOUTH, BECOMING VERY ROUGH OVER FAR SOUTHERN AREA. WESTERLY SWELL 2 TO 4 M. VIS : POOR IN PRECIPITATION. CRO (40S/50S, 50E/65E) SHOWERS. WIND: SW 4 TO 6 LOCALLY 7 OVER NORTHERN AREA INCREASING NW 5 TO 6 OVER WESTERN AREA AT END. SEA : ROUGH TO VERY ROUGH, LOCALLY HIGH. WESTERLY SWELL 3 TO 4 M ABATING BY WEST. VIS : POOR IN PRECIPITATION. KER (40S/50S, 65E/80E) RAIN, SQUALLS AND FRONTAL SHOWERS UNDER CG. WIND: CLOCKWISE 4 TO 6, LOCALLY 7/8. SEA : ROUGH TO VERY ROUGH LOCALLY HIGH. WESTERLY SWELL 2 TO 3 M. VIS : POOR TO VERY POOR IN PRECIPITATION.