AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 29TH 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 291000 TO 301000 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. TRADES: S to SE 35 in the east by mid-period.
2. TRISTAN: N to NW 35 to 40 in the south-west, spreading to the south-
east by end of period.
3. CAPE WEST: W to SW 35 to 40 in the south-east.
SYNOPTIC CHART 06:00Z
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High 1032 hPa 35s04w, High 1019 hPa 36s52e, High 1020 hPa 52s52e
Low 961 hPa 48s22e, Low 1007 hPa 28s31e
1. Cold Front: 31s24e 35s29e 40s36e 45s38e into 48s22e
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 10 to 20.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : W to SW 05 to 15 in the eastern and northern parts, otherwise
S to SE 05 to 15 reaching 20 to 25 in the south.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : N to NE 05 to 15 in the south, otherwise S to SE 10 to 20,
becoming NW 10 to 20 in the extreme south-west towards mid-
period.
VIS : Moderate in showers and rain, except in the south-east.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 15 to 25, reaching 30 to 35 in the east by mid-period.
VIS : Good but moderate in showers and rain in the west.
SEA STATE: 3.0 to 4.0m in the south-east, spreading to the north-east
towards end of period, with SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : SW 10 to 20 in the south-east during the first half of the
period, otherwise N to NW 15 to 25 reaching 30 to 40 in the
south-west, spreading to the south-east by end of period but E
to NE 10 to 20 in the north and north-east.
VIS : Good but moderate to poor in showers and rain over the western
half, spreading to the south-east by end of period.
SEA STATE: 3.0 to 4.0
