AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 21st OF JULY 2024 AT 17:00 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 212200 TO 222200 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: N to NW 30 to 40 in the extreme east at first, but W to
SW 35 in the south-central at first, spreading to the east by
mid-period.
2. CAPE WEST: N to NW 30 40 in the extreme west until mid-period,
spreading to the central parts towards mid-period.
SYNOPTIC CHART 12:00Z
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High 1026 hPa 33s20e
Low 1006 hPa 39s07w
Cold Front 1: 20s18w 25s12w 30s05w into 39s07w.
Cold front 2: 26s25w 31s20w 36s15w 41s10w 46s11w into 55s20w
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 SW to W 05 to 10 in the extreme east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : Anti-cyclonic 05 to 15 in the north-east, otherwise S to SW 10
to 20, becoming variable 05 to 10 in the south-west from mid-
period but N to NW 20 to 30 in the south-east at first.
VIS : Moderate in showers and rain in places except in the north-
east, otherwise good.
SEA STATE: 3.0m in the south-west, SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : N to NE 10 to 20 in the south-west becoming NW 10 to 20
towards the end of the period, otherwise S to SE 10 to 20.
VIS : Good, but moderate in showers and rain in the extreme south-
west.
TRISTAN (30S/40S, 00E/20W):
WIND : N to NW 30 to 40 in the extreme east at first, otherwise W to
SW 20 to 30 reaching 35 in the south-central at first,
spreading to the east by mid-period, while moderating to 10 to
20 in the west.
VIS : Moderate in showers and rain.
SEA STATE: 3.0 to 4.0m reaching 4.5 to 5.5m, NW swell in the east at
first, otherwise W to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : Anti-cyclonic 05 to 15 in the east, otherwise N to NW 15 to 25
reaching 30 to 40 in the extreme west until mid-period,
spreading to the central parts towards mid-period.
VIS : Good but moderate in showers and rain in the west, spreading
to the central parts mid-period and to the east by the end of
the period.
SEA STATE: 3.0 to 4.0m in the south-east at first, SW swell and in the
west reaching 4.5m towards mid-period, NW swell.
ENDS THIS IS CAPE TOWN RADIO
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