AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 08TH OF OCTOBER 2024 AT 17:30 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 082200 TO 092200 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: Cyclonic 35 to 45 in the south-west during the first half
of the period.
SYNOPTIC CHART 12:00Z
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High 1032 hPa 37s32e
Low 999 hPa 37s19w, Low 1016 hPa 27s03e
1. Cold Front: 17s20w 20s17w 25s13w 30s12w 35s14w into 37s19w
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 05 to 15 becoming NE 10 in the extreme south-west by
end of the period.
VIS : Good, but moderate in showers and rain in the north-west from
mid-period.
ANGOLA (06S/15S, 00E/00N):
WIND : SW 10 to 15 in the east, otherwise S to SE 10 to 20.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : W to NW 15 to 20 in the south-west, E to SE 05 to 10 in the
east, otherwise N to NW 10 to 20, spreading to the south-east
by end of the period.
VIS : Good but moderate in showers in the south-west.
TRADES (15S/30S, 00E/WEST COAST):
WIND : W to SW 10 to 15 in the west at first but variable 05 in the
south, otherwise S to SE 10 to 20 in the north-east.
VIS : Good.
TRISTAN (30S/40S, 00E/20W):
WIND : N 15 to 20 in the east at first, otherwise NW to W 20 to 30
but cyclonic 35 to 45 in the south-west during the first half
of the period.
VIS : Good, but moderate to poor in showers and thundershowers in
the western half, spreading to the east from mid-period.
SEA STATE: 3.0 to 4.0m over the western half, spreading to the east
towards end of the period with W to SW swell, but 4.5 to 5.5m
in the south-west in the first half of the period, with NW
swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : Variable 05 to 10 in the north-east at first, otherwise E to
SE 15 to 25 but N to NE 10 to 15 in the south-west. It will
become W to NW 05 to 15 in the towards end of the period but
NE 10 in the south-east by end of the period.
VIS : Good but
