AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 29th OF AUGUST 2024 AT 17:15 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 292200 TO 302200 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. TRADES : SE to S 35 in the south-east until mid-period.
2. TRISTAN : N 35 in the south-east until mid-period.
SYNOPTIC CHART 12:00Z
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High 1036 hPa 37s08e
Low 986 hPa 47s19w
Low 1012 hPa 41s47e
Low 952 hPa 60s64e
1. Cold front: 25s15w 30s10w 35s07w 40s04w 45s03w 50s04w 55s09w into
47s19w.
2. Cold front: 33s45e 38s52e 43s58e 48s74e 53s82e 58s84e 63s73e into
60s64e.
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : SE 10 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 10 to 15, but W to SW 05 to 10 in the east.
VIS : Good.
SEA STATE: 3.0m in the south until mid-period, with S to SW swell.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 10 to 20 in the north and north-east, otherwise NW 15
to 25, but SW to W 10 to 20 in the south-west spreading to the
south-east from mid-period.
VIS : Good, but moderate in showers and rain in the south-central
spreading to the south-east by mid-period.
SEA STATE: 3.0m in the south-west, with SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : SE to S 15 to 25 reaching 30 to 35 in the south-east until
mid-period, while becoming N to NE 05 to 15 in the south-west.
VIS : Good.
SEA STATE: 3.0 to 4.0m, except in the south-west, reaching 4.5 to 5.0m in
the south-east at first, subsiding from the west from mid-
period, with SW swell, but SE at times in the east.
TRISTAN (30S/40S, 00E/20W):
WIND : N 20 to 30 in the east until mid-period reaching 35 in the
south-east, otherwise W to NW 20 to 30.
VIS : Moderate to poor in showers and rain becoming good towards end
of period.
SEA STATE: 3.0 to 4.0m, except in the north-east, reaching 4.5 to 5.5m in
the south and west, with NW swell becoming W t
