SECURITE
AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 16th OF AUGUST 2024 AT 18:00 UTC.
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 162200 TO 172200 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: SW to W 35 in the south spreading to the south east by the
end of the period.
2. CAPE WEST: NW 35 to 40 in the south-west, spreading
to the south-east by the end of the period, becoming SW 35
in the south west second half of the period.
SYNOPTIC CHART 12:00Z
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High 1024 hPa 27s40e
Low 978 hPa 47s03e
Low 960 hPa 53s05w
Low 988 hPa 55s05e
Low 970 hPa 57s09e
Cold Front: 35s02s 40s08e 45s09e 50s07e into 53s05e Cold Front: 50s29e 55s21e into 57s09e
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 10 to 20.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 10 to 20, but SW 05 to 10 in the extreme east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : W to NW 15 to 25 in the extreme south, otherwise E to SE 10 to
20, but variable over the central parts.
VIS : Good.
SEA STATE: 3.0 to 4.0m in the south-wes
