####018008167#### FQZA31 FAPR 301330 WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 30th OF APRIL 2024 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 302200 TO 012200 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. CAPE WEST : W to NW 35 in the extreme north-west from mid-period. 2.CAPE EAST : N to NW 35 to 40 in places in the east until mid-period. 3. MOZAMBIQUE CHANNEL: S to SE 35 in the extreme north from mid-period. 4. MARION FORTIES EAST: N to NW 20 35 to 40 in places in the north-east at first. SYNOPTIC CHART 12:00Z ===================== High 1020 hPa 32s61e. Low 1000 hPa 34s10w Low 992 hPa 43s02e Low 996 hPa 44s12e Low 1006 hPa 34s28e Low 1018 hPa 21s43e Low 1004 hPa 09s48e 1. Cold front: 24s17e 29s14e 34s14e into 34s10w. 2. Cold front: 35s09e 40s17e into 44s12e cont. 45s08e into 43s02e. AREA FORECAST: ============== ASCENSION (06S/15S, 00E/20W): WIND : E to SE 10 to 20. VIS : Good. ANGOLA (06S/15S, 00E/00N): WIND : S to SE 05 to 15, but SW 05 to 15 in the extreme east. VIS : Good. ST HELENA (15S/30S, 00E/20W): WIND : Variable 05 to 15 in the north-east, otherwise W to NW 15 TO 25, but S to SW 15 to 25 in the south-west, spreading to the south-east and north-west by mid-period. VIS : Good, but moderate in showers and rain in places in the south- east. SEA STATE: 3.0 to 4.0m in the south, reaching 4.5m in the extreme south until mid-period, S to SW swell. TRADES (15S/30S, 00E/WEST COAST): WIND : Variable 05 to 10 over the central parts, otherwise S to SE 10 to 15, but N to NW 15 to 25 in the south-west. VIS : Good, but poor to very poor in fog in the extreme east until mid-period, becoming moderate in showers and rain in the south-west towards the end of the period. SEA STATE: 3.0 to 3.5m in the south-west, S to SW swell. TRISTAN (30S/40SE, 00E/20W): WIND : S to SE 15 to 25, reaching 30 over the south-central parts but W to NW 20 to 30 in the north-east until mid-period. VIS : Moderate to poor in showers and rain, but good in the west. SEA STATE: 3.5 to 4.5m, reaching 5.0m over the south-central parts from mid-period, S to SE swell, but NW in the north-west. CAPE WEST (30S/40S, 00E/20E): WIND : W to NW 15 to 25, reaching 35 in the extreme north-west from mid-period. VIS : Moderate to poor in showers and rain, but good in the north- east. SEA STATE: 3.0 to 4.0m, SW swell. CAPE EAST (32.5S/40S, 20E/50E): WIND : W to SW 15 to 25 in the west, otherwise S to SE 15 to 25, but N to NW 15 to 25 in the east until mid-period, reaching 35 to 40 in places. It will become variable 05 to 10 in the extreme west towards the end of the period. VIS : Good, but moderate in showers and thundershowers in the south at times. SEA STATE: 3.0 to 4.0m in the south, reaching 5.0 to 6.0m in the extreme east until mid-period, SW swell. DURBAN EAST (32.5S/25S, EAST COAST/55E): WIND : N to NE 15 to 25 in the east at first, otherwise N to NW 10 to 20, but SW 05 to 15 over the north-central parts, becoming S to SE 05 to 15 in the south-west from mid-period. VIS : Good, because moderate in the extreme east towards the end of the period. SEA STATE: 3.0 to 4.0m in the extreme east, SW swell. MOZAMBIQUE CHANNEL: WIND : S to SE 10 to 20, reaching 30 to 35 in the extreme north from mid-period, but variable 05 to 10 in the south-west. VIS : Good, but moderate to poor in showers and thundershowers in the north. SEA STATE: 3.0 to 3.5m in the extreme north towards the end of the period, SE swell. MADAGASCAR EAST: WIND : E to SE 10 to 20, reaching 25 in the extreme north, but NE 10 to 15 in the extreme south. VIS : Moderate in showers and thundershowers, but good in the south until mid-period. SEA STATE: 3.0m in the extreme south from mid-period, S to SW swell. MARION FORTIES EAST (40S/50S, 35E/50E): WIND : N to NW 20 to 30 in the north-east at first, reaching 35 to 40 in places, otherwise S to SW 15 to 25, reaching 30 in the extreme south. It will become SE 20 to 25 in the north-west by mid-period. VIS : Good, but moderate to poor in showers in the north until mid- period. SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in the north-east at first and in the extreme south, SW swell. AREA 2: ======= MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN) DATE: 24/04/30 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 expected over WAM. - Strong gale force 9 running over KER. - Strong gale force 9 expected over CRO. PART 2: GENERAL SYNOPSYS, 24/04/30 at 0000 UTC : - Cold front (CF) over far eastern KER, finishing evacuating, moving quickly eastward. Associated low 957 near 60S/69E. Secondary cold front axis 47S/67E, 51S/67E, 53S/66E moving quickly eastward and evacuating by south-eastern KER later. - Waving front (CH) over CRO soon, then over western KER at end. - High 1022 near 32S/51E moving east-north-eastward. PART 3: FORECAST FOR 24 HOURS from 30/04/24 at 0600 UTC to 01/05/24 at 0600UTC : WAM (30S/40S,50E/65E) : Few showers. WIND: anticlockwise 2/4 over northern, but W 4/6 over southern. Becoming NW 4/7 from north-east to south-west, locally 8 over far southern. Severe gusts. SEA : rough to very rough over northern, but very rough or high over southern and crossed. SW swell 5 to 7 m over southern, but 3 to 5 m over northern. VIS : mainly good. AMS (30S/40S,65E/80E) : Few showers. WIND: anticlockwise 3/5 over northern, but W 5/6 over southern decreasing soon 4/5. Veering NW over south-western and increasing 5/7 with gusts. SEA : rough over northern becoming gradually very rough, but very rough to high over southern and crossed. SW swell 5 to 7 m over southern, but 3 to 5 m over northern. VIS : mainly good. CRO (40S/50S,50E/65E) : Showers, then soon frontal rain, showers and squalls with CH from western area. WIND: W 5/8 from north to south, backing NW 7/9, then SW 6/8 locally 9 behind CH. Severe gusts. SEA : high to very high and crossed, becoming very rough to high later. SW swell 6 to 9 m decreasing gradually 4 to 6 m. VIS : poor or very poor in precipitations. KER (40S/50S,65E/80E) : Frontal showers and rain with CF over far eastern at first. Showers elsewhere, but frontal showers and squalls with CG. Frontal rain, showers and squalls with CH at end over western area. WIND: W 6/8 from north to south, locally 9 over far southern, decreasing 5/7 from north to south. Backing later NW 6/8 and increasing 7/9 at end. Severe gusts. SEA : high to very high and crossed. SW swell 7 to 9 m decreasing 5 to 7 m at end. VIS : poor or very poor in precipitations.