AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 15TH OF SEPTEMBER 2024 AT 08:30 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 151000 TO 161000 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 south-west during the first half of the
period.
SYNOPTIC CHART 06:00Z
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High 1031 hPa 32s08w
Low 990 hPa 52s20e
Low 1013 hPa 39s41e
Cold Front: 31s06e 36s14e 43s23e into 52s20e
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 : SW to W 05 to 10 in the east, otherwise S to SE 10 to 20.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : Variable 05 to 10 in the south, otherwise E to SE 10 to 20
reaching 25 in the north, but N to NW 05 to 10 in the south-
west.
VIS : Good.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 10 to 20 reaching 25 in the north-east and south-east.
VIS : Good but moderate in showers in the south-west during the
first half of the period.
TRISTAN (30S/40S, 00E/20W):
WIND : S to SE 05 to 15 in the north-east, otherwise W to NW 10 to 20
reaching 25 to 35 in the south-west during the first half of
the period but SW 05 to 15 in the south-east at first.
VIS : Good, but moderate to poor in showers and rain in the south-
west.
SEA STATE: 3.0m over the southern half, reaching 3.5 to 4.5m in the
south, with W to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : NW 20 to 30 in the south-east at first but in the south-west
by mid-period, otherwise W to SW 10 to 20, reaching 25 to 30
in the south during the first half of the period.
VIS : Good but moderate in showers and rain over the eastern half
during the first half of the period.
SEA STATE: 3.0m over the south
