AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII, WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 22nd 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 221000 TO 231000 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. CAPE WEST: N to NE 35 in the extreme south-east by mid-period,
otherwise N to NW 35 to 40 over the south-central parts.
SYNOPTIC CHART 06:00Z
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High 1032 hPa 40s23e.
Low 972 hPa 53s00e Low 992 hPa 42s43e.
1. Cold Front: 25s10w 30s04w 35s01w 40s01e 45s03e into 53s00e.
2. Cold Front: 25s38s 30s42e 35s46e into 42s43e.
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 15, but SW 05 to 15 in the east.
VIS : Good, but good in fog in the extreme east.
ST HELENA (15S/30S, 00E/20W):
WIND : S to SE 10 to 20 in the north, otherwise N to NW 15 to 25 but
S to SW 10 to 20 in the south-west spreading towards the
south-east while it reaches 30 in the extreme south-east by
mid-period.
VIS : Good, but moderate in showers and rain in the south-east.
SEA STATE: 3.0m in the extreme south-west at first, SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 10 to 20, but N to NW 10 to 20 in the south-west
becoming SW15 to 25 by mid-period.
VIS : Good, but poor in fog patches in the extreme east, as well as
poor in a band of showers in the south-west in the second half
of the period.
TRISTAN (30S/40S, 00E/20W):
WIND : W to SW 15 to 25 reaching 30 in the south-west spreading
towards the south-east by the of the period.
VIS : Moderate in showers and rain in places.
SEA STATE: 3.5 to 4.5m reaching 5.0m in the south-east in the first half
of the period, SE swell but SW swell in the west.
CAPE WEST (30S/40S, 00E/20E):
WIND : N to NE 20 to 30 in the east reaching 35 in the extreme south-
east by mid-period, otherwise N to NW 20 to 30 reaching 35 to
40 over the south-central parts, but W to SW 10 to 20 in the
extreme south-west spreading towards the central parts by the
end of the period.
VIS : Good but moderate to poor in showers and rain in the west.
SEA STATE: 3.0 to 4.0m, spreading towards the south-east by mid-period,
reaching 4.5m in the extreme south-west at first, W to SW
swell.
ENDS DE CAPE TOWN RADIO/ZSC+
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