AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 20th OF MAY 2024 AT 17:10 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 202200 TO 212200 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. CAPE WEST: N to NW 35 to 40 in the extreme south-east at first,
otherwise W to SW 35 to 45 over the south-central parts spreading
towards the south-east by mid-period.
2. CAPE EAST: N to NW 35 in the south-west spreading towards the south-
east by the end of the period.
3. MARION FORTIES EAST: W to NW 35 to 40 in the extreme north-east and
south-east at first, as well as in the west towards mid-period
spreading towards the east by the end of the period while it reaches
40 to 45 in the south-west.
SYNOPTIC CHART 12:00Z
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High 1032 hPa 36s54.
Low 1018 hPa 33s30e Low 984 hPa 44s05e Low 972 hPa 55s46e.
Cold Front: 29s05w 35s04e 40s08e into 44s05e.
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : S to SE 10 to 20.
VIS : Good, but moderate in showers in the extreme west.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 10 to 15, but variable 05 in the extreme east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : S to SE 10 to 20 reaching 25 in the south-east by the end of
the period.
VIS : Good in the north-east, otherwise moderate in showers and
rain.
SEA STATE: 3.0 to 3.5m in the south subsiding in the south-west by mid-
period, SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 10 to 20 reaching 25 to 30 in the south-west from mid-
period.
VIS : Good, but moderate in rain and showers in the south-west.
SEA STATE: 3.0 to 3.5m in the extreme south, SW swell.
TRISTAN (30S/40SE, 00E/20W):
WIND : W to SW 15 to 25, becoming anti-cyclonic 05 in the west by
mid-period.
VIS : Moderate in showers and rain.
SEA STATE: 3.0 to 4.0m in the east reaching 4.5 to 5.0m in the extreme
east, SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : N to NW 10 to 20 in the extreme east reaching 35 to 40 in the
extreme south-east at first, otherwise W to SW 15 to 25
reaching 35 to 45 over the south-central parts spreading
towards the south-east by mid-period. It will become S to SE
10 to 15 in the north towards mid-period.
VIS : Good in the south-east, otherwise moderate in showers and
rain.
SEA STATE: 3.5 to 4.5m, reaching 5.0 to 6.0m in the south but 7.0 to 8.0m
in the extreme south-central spreading towards the south-east
by mid-period, W to SW swell.
ENDS DE CAPE TOWN RADIO/ZSC+
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