SECURITE
AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 13th OF AUGUST 2024 AT 16:40 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:
FORECAST VALID FROM 132200 TO 142200 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:
1. ST HELENA : W to NW 35 in the extreme south-west at first.
2. CAPE WEST : S to SW 35 to 45 in the east and central in the
first half of the period and NW to N 35 in the
south-west towards the end of the period.
3. CAPE EAST : N to NW 35 to 50 in the east and central, as well as SW 35
to 45 in the west and central spreading to the east by end
of the period.
4. DURBAN EAST: NE to N 35 in the central and SW 35 to 40 in the extreme
south-west.
6. MARION FORTIES EAST: N to NW 35 to 45 reaching 55 to 60 in the south-
west by the first half of the period.
SYNOPTIC CHART 12:00Z
High 36s02w 1026 hPa
Low 963 hPa 55s22e
Cold Front: 35s18e 39s22e 45s26e into 46s26e.
Cold Front: 35s09e 40s16e 44s20e into 45s20e.
AREA FORECAST:
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 10 to 20.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : SE 10 to 20, but S to SW 10 to 15 in the extreme east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : W to NW 20 to 30 in the south-west reaching 35 in the extreme
south-west at first, otherwise E to SE 10 to 20.
VIS : Good, but moderate in the south-west and south-central.
SEA STATE: 3.0 to 4.0m in the south but 5.0 to 5.5m in the south-west
SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : SE to S 15 to 25, becoming NE to N
