AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 23rd OF AUGUST 2024 AT 17:30 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 232200 TO 242200 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 towards the south-
east by the end of the period.
2. CAPE WEST: N to NW 35 in the extreme south-east at first.
SYNOPTIC CHART 12:00Z
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Low 1004 hPa 38s12e Low 960 hPa 64s09e.
Cold Front: 23s01e 30s09e into 38s12e cont. 45s16e 50s17e 55s16e into 64s09e.
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 15 to 25.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 15 to 25, but SW 05 to 15 in the east becoming
variable 05 in the extreme east by the end of the period.
VIS : Good, but good in fog in the extreme east at first.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 15 to 25 in the north, otherwise S to SW 15 to 25 but
anti-cyclonic 05 in the south-west spreading towards the
south-east by mid-period.
VIS : Good, but moderate in showers and rain in the extreme north.
TRADES (15S/30S, 00E/WEST COAST):
WIND : W to NW 10 to 20 in the south-east at first, otherwise S to
SE 15 to 25 but SW 15 to 25 in the south-west.
VIS : Good, but moderate showers in the south-east in first half of
the period.
TRISTAN (30S/40S, 00E/20W):
WIND : W to SW 15 to 25 reaching 30 in the south-east, but NW 20
to 30 in the west reaching 35 to 40 in the south-west
spreading towards the south-east by the end of the period.
VIS : Good in the north, otherwise moderate in showers and rain,
becoming poor in the extreme south-west by the end of the
period.
SEA STATE: 3.0 to 4.0m, reaching 5.0m in the south-west spreading towards
the south-east by the end of the period, SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : N to NW 10 to 20 in the extreme east reaching 35 in the
extreme south-east at first, otherwise W to SW 20 to 30.
VIS : Moderate in showers and rain, but poor in the south-east.
SEA STATE: 3.0 to 4.0m, reaching 4.5m in the extreme south-west by the
end of the period, W to SW swell.
ENDS DE CAPE TOWN RADIO/ZSC+
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