AORE
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 25th OF AUGUST 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 251000 TO 261000 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 45 in the south-east until mid-period.
2. CAPE WEST : N to NW 35 to 45 in the south, becoming W to SW 35 in the
extreme south-east towards the end of the period.
SYNOPTIC CHART 06:00Z
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High 1024 hPa 27s05w
Low 996 hPa 40s08w
Low 976 hPa 49s07e
Cold Front: 36s19w 41s06w into 40s08w cont. 45s11e 50s07e into 49s07e.
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 to W 05 to 15 in the extreme east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : Anti-cyclonic 05 to 10 in the extreme south, otherwise E to SE
15 to 25.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the extreme south-east by the end of the
period, SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 15 to 25, but variable 05 to 10 in the extreme south
where it will become W to SW 10 to 20 towards mid-period.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the extreme south-west from mid-period, SW
swell.
TRISTAN (30S/40S, 00E/20W):
WIND : NW 20 to 30 in the east until mid-period, reaching 35 to 45 in
the south-east, otherwise W to SW 15 to 25.
VIS : Good, but moderate to poor in showers and rain in the south-
east.
SEA STATE: 3.0 to 4.0m, but 5.0 to 6.0m in the south-east, reaching 7.0m
in the extreme south-east until mid-period, SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : N to NW 15 to 25, reaching 35 to 45 in the south, becoming W
to SW 15 to 25 in the south-west towards mid-period. It will
spread to the north-west as well as to the south-east towards
the end of the period, reaching 35 in the extreme south-east.
VIS : Good, but moderate to poor in showers and rain in the south.
SEA STATE: 3.0 to 4.0m, but 5.0 to 6.0m in the south, reaching 7.0 to
7.5m in the south-west at first, spreading to the south-east
by mid-period, W to SW swell.
ENDS
THIS IS CAPE TOWN RADIO
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