AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 28TH OF SEPTEMBER 2024 AT 13:30 UTC.
FOR SOUTH-EAST SECTOR OF METAREA. VII, PREPARED BY REUNION, SEE AREA 2 BELOW.
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 282200 TO 292200 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: NW 35 to 40 in the south-west, spreading to the south towards
end of period.
2. CAPE WEST: W to SW 35 to 40 in the south-east.
SYNOPTIC CHART 12:00Z
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High 1032 hPa 39s12w, High 1015 hPa 32s42e, High 1014 hPa 54s37e
Low 966 hPa 47s17e, Low 995 hPa 48s46e
Low 1008 hPa 41s60e
1. Cold Front: 30s06e 35s19e 40s23e into 47s17e 2. Cold Front: 40s46e 45s51e into 48s46e
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 in the south.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : S to SE 10 to 20 but N to NE 05 to 15 in the south-west,
spreading to the south-east towards end of period.
VIS : Moderate in showers and rain, except in the south-east.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 10 to 20 but variable 05 to 10 in the extreme south-
east at first.
VIS : Moderate to poor in showers and rain in places, clearing from
the south-west.
SEA STATE: 3.0 to 4.0m in the south-east towards mid-period, with mainly
SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : SW 15 to 25 in the south-east, otherwise N to NE 15 to 25
reaching 30 in the south-west but E to SE 10 to 20 in the
north and north-east. It will become NW 20 to 30 in the west
by mid-period, reaching 35 to 40 in the south-west, spreading
to the south towards end of period.
VIS : Good but moderate to poor in showers and rain in the west,
spreading over the central parts towards mid-period.
SEA STATE: 3.0 to 3.5m in the south-east at first, but in the south-west
towards mid-period, where it will reach 4.0 to 6.0m towards
end of period, with SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : S to SE 15 to 25 in the north-west, otherwise W to SW 15 to 25
reaching 30 to 40 in the south-east.
VIS : Moderate to poor in showers and rain, clearing from the west
towards end of period.
SEA STATE: 3.0 to 4.0m reaching 5.0 to 7.0m in the south, with SW swell.
ENDS DE CAPE TOWN RADIO/ZSC
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