AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20e.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 21ST OF DECEMBER 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 211000 TO 221000 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 SE 35 in the north-east until mid-period.
SYNOPTIC CHART 06:00Z
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High 1028 hPa 34s03w, High 1026 hPa 35s51e
Low 1013 hPa 43s14w, Low 969 hPa 56s22e, Low 972 hPa 55s26e, Low 963 hPa 60s13e
1. Cold Front: 49s16e 51s30e 54s28e 50s35e into 55s26e 2. Cold Front: 44s46e 52s49e 58s44e 61s33e into 60s13e
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 10 to 15, reaching 20 in the west.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 05 to 15, but W to NW 05 to 10 in the east at first.
VIS : Good, but moderate to poor in showers and thundershowers in
the east and north-east at times.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 15 to 20, but NE to N 05 to 15 in the south-west.
VIS : Good, but moderate in showers in places.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 15 to 25, reaching 30 in the south-east until
at first.
VIS : Good.
SEA STATE: 3.0m in the south-east, with S to SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : S to SE 10 to 20 in the north-east, otherwise N to NW 10 to 20
reaching 25 in the central southern parts, drifting to the
south-east by mid-period, while becoming light anticyclonic in
the north.
VIS : Good, but moderate to poor in showers and rain in the central
southern parts, spreading to the south-east by mid-period.
SEA STATE: 3.0m in the south-east until mid-period, with SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : W to SW 15 to 25 otherwise S to SE 10 to 20 in the northern
half, reaching 25 to 35 in t