AOR E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII, WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 06th 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 061000 TO 071000 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. ST HELENA: SW 35 in the extreme south-east.
2. TRADES: SW 35 to 40 in the south-east by mid-period.
3. TRISTAN: S to SW 35 to 45 in the east, becoming N to NW 35 to 40 in
the south-west by mid-period spreading towards the central parts by
the end of the period.
4. CAPE WEST: N to NW 35 in the south-east and north-west, but S to SW 35
in the extreme south-west spreading towards the east by the end of the
period while it reaches 45 to 50 in the south-east.
SYNOPTIC CHART 12:00Z
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High 1024 hPa 30s18w.
Low 1012 hPa 25s13e Low 996 hPa 40s04e Low 988 hPa 50s18e
Low 1008 hPa 34s39e Low 1000 hPa 41s44e
1. Cold Front: 27s01w 30s03e 35s09e into 40s04e into 50s18e.
2. Cold Front: 27s45e 35s50e into 41s44e.
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 15 to 25.
VIS : Good but moderate in light showers in the west.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 10 to 20, but SW 05 to 15 in the extreme east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : SW 25 to 35 in the extreme south-east, otherwise E to SE 15
to 25 becoming N to NW 15 to 25 in the south-west by mid-
period.
VIS : Good, but moderate in showers and rain over the central parts.
SEA STATE: 3.0 to 4.0m in the south, reaching 4.5 to 5.5m in the extreme
south-east in the first half of the period, subsiding in the
south-west by the end of the period, SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : N to NW 20 to 30 over the south-central parts, otherwise S to
SE 10 to 20 but SW 20 to 30 spreading towards the south-east
by mid-period while it reaches 35 to 40.
VIS : Good, but moderate in showers and rain in the south-west
spreading to the south-east by mid-period.
SEA STATE: 3.0 to 4.0m in the south-west spreading towards the south-east
by mid-period, reaching 5.0 to 6.5m in the extreme south, SW
swell.
TRISTAN (30S/40S, 00E/20W):
WIND : S to SW 20 to 30 reaching 35 to 45 in the east, but anti-
cyclonic 05 in the west becoming N to NW 10 to 20 in the
extreme west by mid-period reaching 35 to 40 in the south-west
by mid-period spreading towards the central parts by the end
of the period.
VIS : Good, but moderate to poor in showers and rain in the east, as
well as in the extreme south-west spreading towards the east
by the end of the period.
SEA STATE: 4.0 to 5.0m, reaching 6.5 to 8.5m in the east, subsiding in
the west by mid-period, SW swell but NW swell in the west.
CAPE WEST (30S/40S, 00E/20E):
WIND : N to NW 15 to 25 reaching 30 to 35 in the south-east and
north-west, but S to SW 25 to 35 in the extreme south-west
spreading towards the east by the end of the period while it
reaches 45 to 50 in the south-east.
VIS : Good, but moderate to poor in the west spreading towards the
east by mid-period.
SEA STATE: 3.5 to 4.5m reaching 5.0 to 6.0m in the south-west and west
spreading towards the east while reaching 8.0 to 9.0m by the
end of the period, W to SW swell.
ENDS THIS IS CAPE TOWN RADIO
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