FQZA31 FAPR 121330 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 12TH OF MAY 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 122200 TO 132200 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 NW 35 in the south-east, moderating towards the end of the period. 2. CAPE EAST: W to SW 35 in places in the southern parts, spreading to the south-east from mid-period, but NW 35 in the east at first. 3. MARION FORTIES EAST: N to NE 30 to 40 in the south-west at first, spreading to the south-east from mid-period while moderating in the evening, but W to SW 35 in the north-west at first, spreading to the north towards mid-period and north-east by the end of the period. SYNOPTIC CHART 12:00Z ===================== High 1024 hPa 30s05e, High 1024 hPa 30s35e Low 968 hPa 56s15e Cold Front: 41s17e 42s25e 47s27e 51s26e 57s22e into 56s15e AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : SE to E 10 to 20. VIS : Good, but moderate in light rain in places in the western parts. ANGOLA (06S/15S, 00E/00N): WIND : S to SE 10 to 20 but SW to W 05 to 15 in the east. VIS : Good. ST HELENA (15S/30S, 00E/20W): WIND : NW 10 to 20 in the southern parts, but SW 05 to 15 in the south-west, otherwise E to SE 05 to 15. VIS : Good, but moderate in showers and rain in the west and southern parts. SEA STATE: 3.0m in the south-west at first, with NW swell. TRADES (15S/30S, 00E/WEST COAST): WIND : Variable 05 to 10 in the south-west, otherwise S to SE 10 to 20. VIS : Good. TRISTAN (30S/40S, 00E/20W): WIND : Variable 05 to 10 in the southern parts, otherwise W to NW 15 to 25 reaching 30 to 35 in the south-east, moderating towards the end of the period. It will become cyclonic 15 to 25 in the south-west from mid-period. VIS : Moderate to poor in showers and rain in places. SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.0m in the south-east during the first half of the period, with W to SW swell. CAPE WEST (30S/40S, 00E/20E): WIND : Anti-cyclonic 05 to 15 in the northern parts, otherwise W to NW 15 to 25, reaching 30 in the south and south-western parts. VIS : Good, but moderate in rain and showers in the southern and south- western parts. SEA STATE: 3.0 to 4.0m except in the north, reaching 4.5 to 5.0m in the South until in the afternoon, with SW to W swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : W to SW 15 to 25 reaching 30 to 35 in places in the southern parts, spreading to the south-east from mid-period, but NW 25 to 35 in the east at first. It will become E to NE 05 to 15 in the north-west from mid-period. VIS : Good, but moderate to poor in showers and rain in the southern and eastern parts, clearing in the south from the morning and east towards the end of the period. SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in places in the west and eastern parts, subsiding in the west from the afternoon, with W to SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : Anti-cyclonic 05 to 15 in the west, but W to SW 10 to 20 in the south spreading to the south-east towards the end of the period, otherwise S to SE 10 to 20, reaching 25 to 30 in the northern parts at times. VIS : Good, but moderate in showers and rain in the north and north- east. SEA STATE: 3.0 to 4.0m except in the west, with S to SW swell. MOZAMBIQUE CHANNEL: WIND : S to SE 05 to 15, reaching 20 to 30 in the central and South-eastern parts. VIS : Good, but moderate to poor in showers and thundershowers in the northern parts and western parts. SEA STATE: 3.0 to 4.0m in the south, and central parts, with S to SE swell. MADAGASCAR EAST (10S/25S, EAST COAST/55E): WIND : Variable 05 to 10 in the southern parts during the first half of the period, otherwise S to SE 10 to 20, reaching 25 to 30 in the north-west. VIS : Moderate in showers and thundershowers in places, but good in the central and south-eastern parts. SEA STATE: 3.0m in the south-west towards mid-period, spreading to the south-east towards the end of the period, with S to SW swell. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : N to NE 15 to 25 reaching 30 to 40 in the south-west at first, spreading to the south-east from mid-period while moderating in the evening, otherwise, W to SW 20 to 30, reaching 35 in the north-west at first, spreading to the north towards mid-period and north-east by the end of the period. VIS : Good, but moderate to poor in showers and rain in the north and Western parts, spreading to central and east from the morning, while clearing from the west and north. SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.0m in the west, but 5.5m in the south-west from mid-period, with W to NW swell. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) 25/05/12 AT 0500UTC AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE). PART 1: WARNING - STORM FORCE 10 OVER CRO. - STRONG GALE FORCE 9 OVER KER. - GALE FORCE 8 OVER WAM AND AMS. PART 2: GENERAL SYNOPSIS, 25/05/12 AT 0000UTC - LOW 978 NEAR 46S/53E WITH ASSOCIATED DISTURBANCE, MOVING EAST-SOUTHEASTWARD RATHER QUICKLY, EXPECTED 975 HPA NEAR KERGUELEN AT 18UTC. - HIGH 1032 NEAR 36S/88E, MOVING EASTWARD. PART 3: FORECAST FOR 24 HOURS FROM 25/05/12 AT 0600UTC TO 25/05/13 AT 0600UTC WAM (30S/40S, 50E/65E) FRONTAL SHOWERS. WIND : NORTH-WEST 5 TO 6 BUT 7 TO 8 OVER SOUTHERN AHEAD THE FRONT, BACKING SLOWLY SOUTH-WEST 6 TO 7 BY SOUTH-WESTERN BEHIND THE FRONT, DECREASING 4 TO 5 SOON. NORTHERLY 7 TO 8 OVER SOUTH- WESTERN AREA AT END. STRONG GUSTS. SEA : ROUGH, BUT VERY ROUGH TO HIGH OVER SOUTHERN. WEST SWELL 3 TO 4 M OVER SOUTHERN THEN SOUTH-WEST SWELL 3 TO 4 M OVER ALL THE AREA AT END. VIS : POOR TO VERY POOR WITH PRECIPITATIONS. AMS (30S/40S, 65E/80E) SHOWERS, OCCASIONAL THUNDERY SHOWERS. WIND : ANTICLOCKWISE 3 TO 5, SETTING-UP NORTH-WESTERLY 6 TO 7, LOCALLY 8 BY SOUTH-WESTERN AHEAD THE FRONT WITH GUSTS. BACKING WESTERLY 5 TO 6 BEHIND IN THE AFTERNOON. SEA : MODERATE TO VERY ROUGH FROM NORTH TO SOUTH. WESTERLY SWELL 3 TO 5 M OVER SOUTHERN. VIS : POOR TO VERY POOR WITH PRECIPITATIONS. CRO (40S/50S, 50E/65E) SHOWERS AND SQUALLS. WIND : CLOCKWISE 7 TO 8, 9 TO 10 NORTHERN OF THE CENTER WITH VIOLENT GUSTS, SETTING-UP SOUTH-WEST 6 TO 7 BEHIND THE LOW THEN DECREASING 4 TO 5 AT END. NORTH-EAST 5 TO 6 OVER FAR NORTH- WESTERN AT END. SEA : VERY ROUGH TO HIGH, LOCALLY VERY HIGH BECOMING ROUGH TO VERY ROUGH AT END. WESTERLY SWELL 4 TO 6 M DECREASING 3 M BY WESTERN AT END. VIS : VERY POOR UNDER PRECIPITATIONS. KER (40S/50S, 65E/80E) SHOWERS AND SQUALLS. WIND : NORTH-WEST 7 TO 8, LOCALLY 9, BECOMING CLOCKWISE BY SOUTH- WESTERN AT DAY END. VIOLENT GUSTS. SOUTH-WEST 5 TO 7 BEHIND AT END. SEA : VERY ROUGH TO HIGH, BECOMING VERY HIGH OVER WESTERN DURING THE NIGHT. WESTERLY TO NORTH-WEST SWELL 5 TO 7 M. VIS : VERY POOR UNDER PRECIPITATIONS. 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