AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 18th 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 181000 TO 191000 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: SW 35 in the south-east first half of the period 2. CAPE WEST: W to NW 35 to 45 in places in the south
becoming SW 35 to 40 in the south-west mid-period of the first
half of the period spreading north and east and moderating in
the west.
SYNOPTIC CHART 06:00Z
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Low 984 hPa 45s01w
Low 972 hPa 57s22e
Low 1012 hPa 34s29e
Cold Front: 37s18w 40s00w into 45s01w
Cold Front: 29s11e 35s18e 40s22e 45s24e 50s23e into 51s19e.
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 10 to 20.
VIS : Good but moderate in the north.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 10 to 20, but SW 05 to 10 in the extreme east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : S to SW 10 to 20 in the extreme south-east, otherwise E to SE
10 to 20 but Variable 05 to 10.
VIS : Good, moderate showers and rain in the north.
SEA STATE: 3.0m to 4.0m in the extreme south-east, SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 10 to 20 reaching 25 in the north-east from , but
SW 10 to 20 in the extreme south.
VIS : Good, but moderate in showers and rain in the south-east.
TRISTAN (30S/40S, 00E/20W):
WIND : SW 15 to 25 reaching 25 to 35 in the south-east first half of
the period but Variable 10 in the north-west.
VIS : Good, but moderate in showers and rain in the east and south.
SEA STATE: 3.0 to 4.0m, reaching 5.0 to 7.0m in the south-east, SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : W to NW 15 to 25 reaching 30 to 45 in places in the south
becoming SW 30 to 40 in the south-west mid-period of the first
half of the period spreading north and east and moderating in
the west.
VIS : Moderate in showers and rain in places at times clearing from
the west towards end of the period.
SEA STATE: 3.0 to 4.0m, but 5.0 to 6.0m in the south, it will reach 6.5
to 7.5m in the south-west and spread eastwards where it will
reach 8.0m in the south-east towards end of the period, SW
swell.
ENDS THIS IS CAPE TOWN RADIO
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