AORE
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII, WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 27th 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 271000 TO 281000 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: S to SW 35 to 40 over the central parts spreading towards
the east towards mid-period.
SYNOPTIC CHART 06:00Z
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High 1030 hPa 35s08w.
Low 976 hPa 51s16e Low 1016 hPa 34s55e.
Cold Front: 29s12e 35s18e 40s20e 45s21e 50s21e into 51s16e.
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 north-west.
SEA STATE: 3.0 to 3.5m in the south, SW swell.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 10 to 20, but SW 05 to 15 in the extreme south-east.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the south, S to SW swell.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 15 to 25, but variable 05 in the south-west.
VIS : Moderate in showers in places.
SEA STATE: 3.0 to 4.0m, subsiding from the west by mid-period, SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : SW 15 to 25 in the south-east in the first half of the period,
otherwise S to SE 15 to 25 reaching 30 in the north-east by
mid-period.
VIS : Good, but moderate in showers in the extreme south, as well as
poor in the extreme east by mid-period.
SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in the south-east, SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : Anti-cyclonic 05 over the central parts, otherwise S to SW 10
to 20, but N to NW 10 to 20 reaching 25 in the south-west
spreading towards the south-east by the end of the period.
VIS : Good, but moderate in showers and rain in the west spreading
towards the east by the end of the period.
SEA STATE: 3.0 to 4.0m in the east reaching 5.0 to 6.0m in the extreme
east, SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : W 20 to 30 in the extreme south-east at first, otherwise S to
SW 20 to 30 reaching 35 to 40 over the central parts spreading