Bulletinset for METAREA 7 Edition date (UTC): 2025-06-30 00:31:34 ============================ HIGH SEAS FORECAST ============================ FQZA31 FAPR 291330 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 29TH OF JUNE 2025 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 292200 TO 302200 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 to SW 35 to 40 in the south, drifting to the south- east from mid-period. 2. CAPE WEST: W to NW 35 in in places in the south until mid-period. SYNOPTIC CHART 12:00Z ===================== High 1025 hPa 27s03e, High 1026 hPa 35s26e Low 971 hPa 50s07w, Low 978 hPa 53s05e, Low 958 hPa 57s52e 1. Cold Front: 36s02w 45s08e 55s14e into 53s05e 2. Cold Front: 40s50e 49s60e 58s65e into 57s52e AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : E to SE 15 to 20 reaching 25 in places in the north. VIS : Good. ANGOLA (06S/15S, 00E/00N): WIND : S to SE 10 to 20, but SW 05 to 15 in the east. VIS : Good. ST HELENA (15S/30S, 00E/20W): WIND : E to SE 10 to 15 in the north, otherwise anticyclonic 05 to 15, but W to NW 10 to 20 in the south. VIS : Good, but moderate in rain and showers in the south. SEA STATE: 3.0 to 4.0m in the extreme south-west by the end of the period, with E to SE swell, but SW in the south. TRADES (15S/30S, 00E/WEST COAST): WIND : S to SE 15 to 25, but anticyclonic 05 to 15 in the central west and in the south-west, where it will become NW 15 to 20 by the end of the period. VIS : Good, but moderate in showers and rain in the extreme south- west by the end of the period. SEA STATE: 3.0m in the extreme south-east at first, with E to SE swell, but SW in the south. TRISTAN (30S/40S, 00E/20W): WIND : NW 20 to 30 in the north-east at first, otherwise W to SW 15 to 25, reaching 35 to 40 in the south, drifting to the south- east from mid-period. It will become variable 05 to 10 in the north-west by mid-period. VIS : Moderate to poor in showers and rain, clearing from the south- west from mid-period. SEA STATE: 3.0 to 4.0m except in the extreme north-east, reaching 5.0 to 6.0m in places in the south and central parts, with SW swell. CAPE WEST (30S/40S, 00E/20E): WIND : Variable 05 to 10 in the extreme north-east, otherwise W to NW 15 to 25 reaching 20 to 30, but 35 in places in the south until mid-period. VIS : Good in the north-east, otherwise moderate in showers and thundershowers. SEA STATE: 3.0 to 4.0m except in the north, reaching 4.5 to 5.5m in the south-west from mid-period, with W to SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : W to SW 20 to 30 in the west until mid-period, otherwise anticyclonic 05 to 15, but NE 15 to 25 in the west, drifting to the central part by the end of the period. It will become NW 15 to 25 in the extreme west from mid-period reaching 30 in the extreme south-west. VIS : Good, but moderate in showers and rain in the east at first, as well as in the south-west towards mid-period. SEA STATE: 6.0m in places in the south-east at first, otherwise 4.0 to 5.0m, subsiding from the west by mid-period, with S to SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : W to SW 10 to 20 in the south-east until mid-period, otherwise S to SE 05 to 15 reaching 20 to 25, but variable 05 to 10 in the extreme north-east until mid-period. It will be E to NE 15 to 20 in the south-west reaching 30, while spreading to the north-west by the end of the period. VIS : Good, but moderate in showers and rain in the south until mid- period and in the east. SEA STATE: 3.0 to 4.0m except in the north-east at first, reaching 4.5 to 5.0m in the south central, spreading to the south-east by the end of the period, with S to SW swell. MOZAMBIQUE CHANNEL: WIND : S to SE 10 to 20 reaching 25 to 30 in places, but variable 05 to 10 in the north-east. VIS : Good, but moderate in showers and rain in places in the western and northern parts. SEA STATE: 3.0 to 3.5m except in the north, with S to SE swell. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : E to SE 05 to 15 reaching 20 to 25 in the north. VIS : Good in the central part, otherwise moderate in rain and showers. SEA STATE: 3.0m in the north and extreme south by the end of the period, with SE to E swell. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : Anticyclonic 05 to 15 in the north, otherwise W to SW 15 to 25 reaching 30 in places, becoming N to NW 15 to 25 in the west from mid-period, while reaching 30 in the extreme south-west. VIS : Good, but moderate in showers and rain until mid-period, with possible snow-showers in the south. SEA STATE: 4.0 to 5.0m, subsiding in the north from mid-period, reaching 5.5 to 6.0m in places in the south, with W to SW swell. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 2025/06/29 AT 0400UTC 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 AND KER. PART 2: GENERAL SYNOPSIS, 25/06/29 AT 0000UTC - HIGH 1029 HPA NEAR 31S/80E. - COLD FRONT CF AXIS 36S/67E, 38S/71E, 42S/75E, 46S/79E MOVING EASTWARD 15/20KT. - COLD FRONT CG AXIS 37S/32E, 41S/40E, 46S/45E, 51S/46E MOVING EASTWARD 20KT. PART 3: FORECAST FOR 24 HOURS FROM 25/06/29 AT 0600UTC TO 25/06/30 AT 0600UTC WAM (30S/40S, 50E/65E) SCATTERED SHOWERS THEN RAIN OR SHOWERS UNDER CG BY WESTERN AREA. WIND: ANTICLOCKWISE 3 TO 5 OVER NORTHERN AREA BECOMING NW 5 TO 7 FROM NORTH TO SOUTH AHEAD CF. SEA: MODERATE OR ROUGH BECOMING ROUGH TO VERY ROUGH BY WESTERN AREA AT END. W ET SW SWELL 2 TO 3 M THEN 4 TO 5 M BY SOUTH-WESTERN AREA AT END. VIS: POOR TO VERY POOR IN PRECIPITATION. AMS (30S/40S, 65E/80E) RAIN OR FRONTAL SHOWERS UNDER CF. WIND: NW 5 TO 7 AHEAD CF BACKING S TO SW 5 TO 6 BEHIND CF THEN ANTICLOCKWISE 2 TO 4 BY WESTERN AREA. SEA: MODERATE TO ROUGH LOCALLY VERY ROUGH OVER SOUTHERN AREA. WESTERLY SWELL 2 TO 4 M FROM NORTH TO SOUTH. VIS: POOR IN PRECIPITATION. CRO (40S/50S, 50E/65E) RAIN, FRONTAL SHOWERS AND SQUALLS UNDER CG. WIND: NW 5 TO 7 LOCALLY 8 WITH GUSTS AHEAD CG BACKING S TO SW 5/6 BEHIND CG. SEA: ROUGH TO VERY ROUGH. WESTERLY SWELL 3 TO 4 M BY WESTERN AREA. VIS: POOR OR VERY POOR IN PRECIPITATION. KER (40S/50S, 65E/80E) RAIN AND FRONTAL SHOWERS UNDER CF OVER EASTERN AREA AT BEGINNING THEN FRONTAL RAIN AND SHOWERS UNDER CG AT END BY WESTERN AREA. WIND: SETTING-UP SW 3 TO 5 BEHIND CF THEN NW 5 TO 7 BY WESTERN AREA AHEAD CG. SEVERE GUSTS. SEA: ROUGH TO VERY ROUGH BECOMING MODERATE TO ROUGH LOCALLY VERY ROUGH. WESTERLY SWELL 3 OR 5 M. VIS: POOR UNDER PRECIPITATION