AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII, WEST OF 20E
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 4th OF AUGUST 2024 AT 16:30 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 042200 TO 052200 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. TRISTAN: W to NW 35 in the extreme south-west spreading towards the
south-east by mid-period.
2. CAPE WEST: W to NW 35 to 40 in the south-east.
SYNOPTIC CHART 12:00Z
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High 1032 hPa 30s18w.
Low 956 hPa 57s00e.
1. Cold Front: 37s02w 40s00e 45s04e 50s06e into 57s00e.
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : SE 15 to 25.
VIS : Good, but moderate in showers and rain in the west.
SEA STATE: 3.0 in in the south in the first half of the period, SW swell.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 10 to 20, but variable 05 in the extreme east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 15 to 25, but anti-cyclonic 05 in the extreme south.
VIS : Good, but moderate in showers in the north.
SEA STATE: 3.0 to 4.0m in the south, SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 15 to 25 reaching 30 in the extreme east.
VIS : Good, but moderate in showers and rain north-west.
SEA STATE: 3.0 to 4.0m over the central parts, spreading towards the
south-east by mid-period, SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : W to NW 15 to 25, reaching 30 in the south but 35 in the
extreme south-west spreading towards the south-east by mid-
period.
VIS : Good, but moderate in showers and rain in the south-west.
SEA STATE: 3.0 to 4.0m in places, reaching 5.0 to 5.5m in the extreme
south, W to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : W to NW 15 to 25 in the 35 to 40 in the south-east.
VIS : Good in the north-east, but moderate in showers and rain
SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in the south, but 7.0m in
the extreme south-east at first and at the end of the period,
SW swell.
ENDS DE CAPE TOWN RADIO/ZSC+
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