AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII, WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 25th 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 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: W to NW 35 in the extreme south-west spreading towards the
south-east by mid-period.
2. CAPE WEST: N to NW 35 to 40 in the south-east at first, as well as in
the south-west in the second half of the period.
SYNOPTIC CHART 06:00Z
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High 1026 hPa 28s25w High 1022 hPa 50s40e.
Low 1012 hPa 40s39e Low 1014 hPa 34s38e Low 59s09e.
Cold Front: 29s00w 35s06e 40s10e 45s12e 50s13e into 59s09e.
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 variable 05 in the extreme east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 10 to 20 in the north, otherwise W to SW 15 to 25 but
variable 05 in the south-west.
VIS : Good, but moderate in showers in the north.
SEA STATE: 3.0 to 3.5m in the extreme south spreading towards the central
parts by the end of the period, SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 10 to 20, but SW 10 to 15 in the extreme south-west.
VIS : Good, but poor in fog patches in the extreme east.
SEA STATE: It will 3.0 to 3.5m in the south-west by mid-period, SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : S to SW 15 to 25, but W to NW 15 to 25 in the west reaching 30
to 35 in the extreme south-west spreading towards the south-
east by mid-period.
VIS : Good, becoming moderate in showers and rain in the extreme
south spreading towards the central parts by the end of the
period.
SEA STATE: 3.5 to 4.5m, but 5.5 to 6.5m in the south reaching
