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WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII EAST OF 20 EAST.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 22nd OF JULY 2024 AT 17:00 UTC.
FOR SOUTH-EAST SECTOR OF METAREA. VII, PREPARED BY REUNION, SEE AREA 2 BELOW.
NOTE: WX OBSERVATIONS.
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COULD ALL VESSELS EXPERIENCING UNEXPECTED, SEVERE WX/SEA STATE PLEASE MAKE EVERY EFFORT TO REPORT THIS TO SAWS VIA CAPE TOWN RADIO.
AREA 1:
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FORECAST VALID FROM 222200 TO 232200 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:
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1. CAPE EAST: N to NW 35 in the south east at first.
SYNOPTIC CHART 12:00Z
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High 1020 hPa 27s13e
Low 984 hPa 47s05e
Cold Front: 30s01e 35s04w 35s03e 40s06e 45s09e into 47s05e
AREA FORECAST:
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CAPE EAST (32.5S/40S, 20E/50E):
WIND : N to NW 20 to 30 reaching 35 in the south east at first,
otherwise SW 10 to 20 but NE 10 to 20 in the north west.
VIS : Moderate in showers and rain.
SEA STATE: 3.5 to 4.5m, SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : Anti-cyclonic 05 to 15, but SW 10 in the south west otherwise
SE 10 to 15.
VIS : Good, but moderate in showers and rain in places.
SEA STATE: 3.0m in the south, SW swell.
MOZAMBIQUE CHANNEL:
WIND : SE to E 10 to 20 reaching 25 in the north east, but NE 10 to
20 in the south west.
VIS : Good but moderate in showers in places in the extreme south
and north.
MADAGASCAR EAST:
WIND : Variable 05 to 10 in the south, otherwise S to SE 10 to
20.
VIS : Moderate in showers and rain in places.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : SW 20 to 30 but NW 10 to 20 in the west second half of the
period.
VIS : Moderate to poor in showers and rain, clearing from the west.
SEA STATE: 4.0 to 5.0m reaching 6.0 to 7.0m in the south-west spreading
to the east, W to SW swell.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
DATE: 24/07/22 at 1700 utc
AVERAGED WIND SPEED ON BEAUFORT SCALE. (Wind gusts may be stronger than averages given here).
PART 1: WARNING :
– Gale force 8 over CRO and KER.
PART 2: GENERAL SYNOPSYS, 24/07/22 at 1200 UTC :
– Cold front axis the 07/23 at 00UTC: 35S/44E, 40S/47E, 44S/50E, 47S/51E, 49S/52E, forecast 5S/58E, 37S/60E, 40S/62E, 43S/62E, 46S/61E, 50S/60E at end.
– Low 1005 hPa by 42S/62E the 07/23 at 00UTC, expected 994 hPa by 46S/69E at end.
– Low 1003 hPa near 39S/69E the 07/23 at 00UTC, expected 995 hPa by 45S/75E at end.
PART 3: FORECAST FOR 24 HOURS from 22/07/24 at 1800 UTC to 23/07/24 at 1800 UTC :
WAM (30S/40S,50E/65E): Rain and frontal showers, squalls.
WIND: Westerly 3 to 5, increasing North-West 6 to 7 with gusts by Western
area ahead the front, backing South-West 5 to 7 behind.
SEA : Rough, very rough by South-Western area. South-West swell, 2 to 3
m, 4 m over South-Western area at end.
VISI: Poor to very poor under precipitations.
AMS (30S/40S,65E/80E): Showers, squalls over Southern area during the day.
WIND: North-Westerly 4 to 6, locally 7 with gusts later over Southern.
SEA : Moderate to rough. Westerly swell 2 to 3 m.
VISI: Poor to very poor under precipitations.
CRO (40S/50S,50E/65E): Showers and squalls.
WIND: North-West 5 to 7 over Western area ahead the front, backing
Westerly 5 to 7 behind, increasing 8 over North-Western part at
end. But Clockwise 5 to 7 over North-eastern area during the night.
SEA : Rough to very rough, high over far North-Western area at end.
Westerly swell, 3 to 4 m, locally 5 m over Southern area at end.
VISI: Poor to very poor under precipitations.
KER (40S/50S,65E/80E): Showers, squalls.
WIND: North-West 5 to 7 over North-Eastern area, setting-up Clockwise 5
to 7 by North-Western area in the morning, increasing locally 8 and
becoming Clockwise all over the area at end. Severe gusts.
SEA : Rough, locally very rough over Northern area. Westerly swell 2 to
3m.
VISI: Poor to very poor under precipitations.
ENDS THIS IS CAPE TOWN RADIO
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