FQZA31 FAPR 251630 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 25th OF MAY 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 252200 TO 262200 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. ST HELENA: N to NW 35 in places in the south but S to SW 35 in the south-west reaching 40 to 45 in the extreme south-west from mid-period. 2. TRISTAN: E to SE 35 over the central and northern parts reaching 40 to 45 in places in the north from mid-period. 3. MARION FORTIES EAST: W to NW 35 in the south. SYNOPTIC CHART 12:00Z ===================== High 1034 hPa 42s22w High 1030 hPa 33s46e. Low 950 hPa 56s31e Low 1014 hPa 28s17w. Cold front: 31s01e 34s10e 38s18e 42s29e 48s41e 53s48e 57s47e 60s38e into 56s31e. AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : E to SE 10 to 20. VIS : Good. ANGOLA (06S/15S, 00E/00N): WIND : W to SW 05 to 10 in the east, otherwise S to SE 10 to 20. VIS : Good. ST HELENA (15S/30S, 00E/20W): WIND : Anticyclonic 05 to 10 in the north, otherwise N to NW 15 to 25 reaching 30 to 35 in places in the south but S to SW 25 to 35 in the south-west reaching 40 to 45 in the extreme south-west from mid-period. VIS : Good but poor in rain and showers in the south-west. SEA STATE: 3.0 to 4.0m in the south-west, with S swell, reaching 4.5 to 5.5m in the extreme south-west from mid-period. TRADES (15S/30S, 00E/WEST COAST): WIND : SE to E 10 to 20 reaching 25 in the south-east from mid- period. VIS : Good. SEA STATE: 3.0m in the south-east from mid-period, with S to SW swell. TRISTAN (30S/40S, 00E/20W): WIND : E to SE 10 to 20 but 25 to 35 over the central and northern parts reaching 40 to 45 in places in the north from mid- period. It will become N to NW 20 to 30 in the north-east from mid-period. VIS : Good in the extreme south, otherwise moderate to poor in showers and rain but very poor in the north. SEA STATE: 3.0 to 4.0m, except in the south-west, reaching 5.0 to 7.0m in the north, with mainly SW swell but S to SE swell in the north. CAPE WEST (30S/40S, 00E/20E): WIND : SW 20 to 30 in the south-east for the first half of the period, otherwise E to SE 10 to 20 reaching 25 in the north but anticyclonic 05 to 10 in the south-west spreading to the south-eastern parts by end of the period. VIS : Good but moderate in frontal showers and rain in the north- west and south-east. SEA STATE: 3.0 to 3.5m, except in the north-east for the first half of the period, reaching 4.0 to 5.0m in the south but 5.5m in the south-east, with SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : N to NW 15 to 25 reaching 30 in the south-east towards the end of the period but SW 15 to 25 in the west reaching 30 in the south-west spreading to the central parts by mid-period. VIS : Good but moderate in frontal showers and rain in the west spreading to the central parts by mid-period. SEA STATE: 3.0 to 3.5m, reaching 4.5 to 5.5m in the west spreading to the central and south-eastern parts towards the end of the period, with SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : Anticyclonic 05 to 10 in the south-east for the first half of the period, otherwise E to NE 10 to 20. VIS : Mainly good. SEA STATE: 3.0 to 4.0m in the east, subsiding from mid-period, with mainly S to SW swell. MOZAMBIQUE CHANNEL: WIND : S to SE 05 to 15 reaching 20 in the south-east at first. VIS : Moderate in showers in the west and north at first, otherwise good. SEA STATE: 3.0m in the south-east at first, with S swell. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : SE 15 to 25 reaching 30 in places in the north. VIS : Moderate in light showers in places. SEA STATE: 3.0 to 4.0m, reaching 4.5m in the extreme east at first, with S swell. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : W to NW 20 to 30 reaching 35 in the south. VIS : Moderate to poor in showers and rain. SEA STATE: 3.0 to 3.5m in the north at first, otherwise 4.5 to 5.5m reaching 6.0 to 6.5m in the south, with SW swell. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 25/05/25 AT 1600UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE). PART 1: WARNING - GALE RUNNING OVER AMS AT START. PART 2: GENERAL SYNOPSIS, 25/05/25 AT 1200UTC - LOW 1000 HPA NEAR 34S/74E OVER AMS, MOVING RAPIDLY EASTWARD AND FILLING. - WAVING FRONT OVER SOUTHWESTERN CRO - HIGH 1029 HPA NEAR 33S/47E, FORECAST 1031 HPA NEAR 33S/60E AT END. PART 3: FORECAST FOR 24 HOURS FROM 25/05/25 AT 1800UTC TO 25/05/26 AT 1800UTC WAM (30S/40S, 50E/65E) SCATTERED SHOWERS WIND: ANTICLOCKWISE 3/5, INCREASING NW 6 OVER FAR SOUTHWESTERN LATER. SEA : ROUGH TO VERY ROUGH FROM WEST TO EAST, BECOMING ROUGH SOON. SW SWELL 3 TO 4 M ABATTING. VISI : GENERALY GOOD. AMS (30S/40S, 65E/80E) RAIN SHOWERS AND THUNDERY SQUALLS OVER EASTERN, LEAVING THE AREA SOON. WIND : CLOCKWISE 6/7, TEMPORARY 8 AT START, DECREASING SOUTHERLY 5/6 BY WESTERN SOON AND BECOMING ANTICLOCKWISE 3/5 AT END. SEA : VERY ROUGH TO HIGH FROM SOUTH TO NORTH, BECOMING ROUGH BY WESTERN LATER. W TO SW SWELL 4 TO 6M. VISI : POOR TO VERY POOR IN PRECIPITATION. CRO (40S/50S, 50E/65E) FRONTAL RAIN AND SHOWERS OVER SOUTHWESTERN. WIND : W TO NW 6/7. SEA : ROUGH TO VERY ROUGH BECOMING HIGH OVER FAR SOUTHWESTERN LATER. SW SWELL 3 TO 4 M INCREASING 5 TO 6 M OVER FAR SOUTHWESTERN LATER. VISI : POOR UNDER PRECIPITATION. KER (40S/50S, 65E/80E) SHOWERS OVER EASTERN AT START, BECOMING SCATTERED. WIND : SW 6/7 BECOMING W TO NW 6/7 BY WESTERN SOON. SEA : VERY ROUGH. W TO SW SWELL 3 TO 4 M. VISI : POOR IN PRECIPITATION.