AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 30th OF AUGUST 2024 AT 08:30 UTC.
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:
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FORECAST VALID FROM 301000 TO 311000 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 to 40 in the east at first and in places in
the west at times spreading to the south by the end of the
period.
2. CAPE WEST: W to NW 35 in the south-west at first.
SYNOPTIC CHART 06:00Z
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High 1039 hPa 32s29e
Low 1012 hPa 43s64e
Low 1004 hPa 44s02w
1. Cold front: 25s40e 30s46e 35s54e 40s60e into 43s64e.
2. Cold front: 25s10w 30s05w 35s01w 40s00e 45s01e into 44s02w.
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : SE 10 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 10 to 15, but W to SW 05 to 10 in the east.
VIS : Good.
SEA STATE: 3.0m in the south at first, with S to SW swell.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 05 to 15 in the north-east and north-west but S to SW
05 to 15 in the south-west at first, otherwise W to NW 05 to
15 reaching 20 to 30 in the south-west towards mid-period.
VIS : Good, but moderate in showers and rain at times in the south.
SEA STATE: 3.0 to 3.5m in the south-west, with SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : N to NW 05 to 15 in the south-west, otherwise S to SE 05 to
15.
VIS : Good, but very poor in fog in the east towards mid-period.
SEA STATE: 3.0 to 3.5m in places in the east at first, with S to SE
swell.
TRISTAN (30S/40S, 00E/20W):
WIND : W to NW 15 to 25 reaching 30 to 40 in the east at first and
in places in the west at times spreading to the south by the
end of the period.
VIS : Moderate to poor in showers and rain clearing in the east
towards mid-period.
SEA STATE: 3.0 to 4.0m, except in the north-east, reaching 4.5 to 5.5m in
the south and south-west spreading to the west towards the end
of the period, with W to SW swell but NW in the south-east
until mid-period.
CAPE WEST (30S/40S, 00E/20E):
WIND : E to NE 15 to 25 in the south-east and north-east first,
otherwise W to NW 15 to 25 reaching 30 to 35 in the south-west
at first.
VIS : Good, but moderate to poor in showers and rain in the south-
