: 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 45 in the south.
2. CAPE WEST: N to NW 35 to 40 in the south-west towards the end of the
period.
SYNOPTIC CHART 06:00Z
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Low 972 hPa 54s02e
Cold Front: 27s02e 32s07e 37s12e 42s13e 47s12e 52s08e into 54s02e
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 05 to 10 in the extreme east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : W to NW 15 to 25 in the extreme south, otherwise E to SE 10 to
20, but variable over the central parts.
VIS : Good.
SEA STATE: 3.0 to 4.0m in the south-west, reaching 4.5 to 5.0m in the
extreme south-west, SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : Variable 05 to 10 in the south-west, otherwise SE to S 15
