AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 24th OF JULY 2024 AT 08:30 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 241000 TO 251000 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 to 45 in the south east, but SW 35 to 40 in the
extreme south-west, spreading to the central parts towards
the end of the period.
2. CAPE WEST: NW 35 to 45 in the south-west, spreading to the east
reaching 35 to 45 in the south east at the end of the
period.
SYNOPTIC CHART 06:00Z
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High 1026 hPa 30s15e
Low 956 hPa 45s35e
Low 1012 hPa 45s35e
1. Cold front: 37s07w 40s01w 45s01w 50s03w into 53s15w 2. Cold Front: 35s31e 40s35e into 45s35e
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 : S to SE 10 to 20, but SW to W 05 to 15 in the extreme east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 10 to 20 in the north but anti-cyclonic in the central
parts, otherwise W to NW 15 to 25, becoming SW 10 to 20 in the
south-west mid-period
VIS : Moderate in showers and rain in places, becoming good in the
south.
SEA STATE: 3.0 to 3.5m in the extreme south-west from mid-period, SW
swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : NW 10 to 20 in the south west from mid-period., otherwise S to
SE 10 to 20,
VIS : Good.
TRISTAN (30S/40S, 00E/20W):
WIND : W to NW 20 to 30 reaching 35 to 45 in the south east, but SW
20 to 30 in the south west reaching 35 to 40 in the extreme
south-west, spreading to the central parts towards the end of
the period.
VIS : Moderate in showers and rain, clearing from the west.
SEA STATE: 3.0 to 4.0m but 5.0 to 6.0m reaching 6.5 to 7.5m in the south,
but 8.0 to 9.0m in the south-west, W to SW swell
CAPE WEST (30S/40S, 00E/20E):
WIND : NW 15 to 25 in the west reaching 35 to 45 in the south-west,
spreading to the east reaching 35 to 45 in the south east at
the end of the period becoming SW 20 to 30 in the west second
half of the period.
VIS : Moderate in showers and rain, but good in the east.
SEA STATE: 3.5 to 4.5m in the south-west reaching 4.5 to 5.5m but 6.5 to
7.5m in the extreme south-west, NW swell.
ENDS THIS IS CAPE TOWN RADIO
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