AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 15th 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 151000 TO 161000 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 : W to NW 35 to 40 in the west spreading eastwards by
the mid-period, as well as SW 35 in the south-west while
spreading to the south-central by the second half of the
period.
2. CAPE WEST: NW 35 in the extreme south-west towards the end of the
period.
SYNOPTIC CHART 06:00Z
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High 1026 hPa 36s19e.
Low 1007 hPa 28s11w
Low 972 hPa 61s39e
1. Cold Front: 31s43e 40s45e 45s39e into 41s36e.
2. Cold Front: 41s21w 45s13w 50s10w 52s16w into 49s22w.
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 15 to 25.
VIS : Good, but moderate in showers and rain the extreme west.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 10 to 20, but variable 05 to 15 in the extreme east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : Variable 05 to 10 over the central parts, otherwise SE to S 10
to 20 but NW to W 10 to 20 in the south, becoming SW 10 to 20
in the south-west by the second half of the period. It will be
VIS : Good in the north, otherwise moderate showers and rain.
SEA STATE: 3.0m to 4.0m in the south and central reaching 4.5m at first,
SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 15 to 25, but SW 10 to 15 in the south-west where it
will be NW 10 to 20 at first and again towards the end of the
period.
VIS : Good, but moderate in showers in the south-west in the first
half of the period, becoming very poor in fog in the extreme
east by the second half.
SEA STATE: 3.0 to 4.0m in the west and central, SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : SW 10 to 20 in the north-east at first, otherwise W to NW 15
to 25 reaching 35 to 40 in the west spreading eastwards by
the mid-period. It will become SW 20 to 30 in the south-west
towards mid-period reaching 35 while spreading to the south-
central by the second half of the period.
VIS : Good in the east in the first half of the period, otherwise
moderate in showers and rain clearing in the west by the
second half of the period.
SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in the south, W to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : N to NW 15 to 25 in the east, otherwise W to SW 15 to 25. It
will become NW 10 to 20 in the west by the second half of the
period, reaching 35 in the extreme south-west towards the end
of the period.
VIS : Good in the east in the first half of the period, otherwise
moderate in showers and rain, clearing the central towards the
end of the period.
SEA STATE: 3.0 to 4.0m in the west and central reaching 5.0 to 6.0m at
first, W to SW swell.
ENDS THIS IS CAPE TOWN RADIO
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