AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 13TH 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 131000 TO 141000 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: N to NW 35 in the south at first.
2. CAPE EAST: W to SW 35 in the south towards end of period.
3. DURBAN EAST: E to NE 35 over the over the central parts.
SYNOPTIC CHART 06:00Z
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High 1027 hPa 29s18w
High 1027 hPa 30s01e
High 1034 hPa 40s44e
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, but moderate in showers and thundershowers in places in
the north-east at times.
ST HELENA (15S/30S, 00E/20W):
WIND : NW to N 05 to 15 in the south-central, otherwise E to SE 05 to
15 reaching 20 to 25 in places in the north-west.
VIS : Good.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 10 to 20 reaching 25 in the north-east.
VIS : Good.
TRISTAN (30S/40S, 00E/20W):
WIND : Variable 05 to 10 in the north during the first half of the
period, otherwise N to NW 10 to 20, reaching 30 to 35 in the
south at first but SW 15 to 25 in the south-west, spreading to
the east by the of the period.
VIS : Moderate in showers and rain in places.
SEA STATE: 3.5 to 4.5m in the south, with W to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : Variable 05 to 10 over the central parts, otherwise S to SE 10
to 20 but W to NW 10 to 20 in the south-west, spreading to the
south by mid-period, while reaching 25 to 30 in the south-
west. It will become S to SE 10 to 20 in the extreme east
towards mid- period.
VIS : Moderate in showers in the west, spreading to the east by mid-
period.
SEA STATE: 3.5 to 4.5m in the south-west by mid-period, spreading to the
south by end of period with W to SW swell.
ENDS DE CAPE TOWN RADIO/ZSC+
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