AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 22ND OF OCTOBER 2024 AT 17:00 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 222200 TO 232200 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: Cyclonic 35 in the eastern parts in the first half of the
period and NW to W 35 in the south-west towards mid-period
spreading to the central parts by the end of the period.
SYNOPTIC CHART 12:00Z
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High 1035 hPa 40s47e
Low 1005 hPa 37s06w
Low 1014 hPa 25s14e
Low 1014 hPa 31s32e
1. Cold Front: 20s17w 25s11w 30s07w 35s05w into 37s06w
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 10 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : SE to S 05 to 15 but W to SW 05 to 15 in the east.
VIS : Good, but moderate in showers and thundershowers in the
extreme east in the first half of the period.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 15 to 25 over the northern half, otherwise SW 15 to 25
becoming anticyclonic 05 to 10 in the south-west towards mid-
period spreading to the south-east towards the end of the
period.
VIS : Good, but moderate in showers and rain in the south-east at
first and in the central-west towards the end of the period.
TRADES (15S/30S, 00E/WEST COAST):
WIND : SE to S 15 to 25, but NW to N 05 to 15 in the extreme south-
west until mid-period.
VIS : Good.
TRISTAN (30S/40S, 00E/20W):
WIND : SW to W 15 to 25, but cyclonic 25 to 35 in the eastern parts
in the first half of the period, but NW to W 15 to 25 in the
west reaching 30 to 35 in the south-west towards mid-period
spreading to the central parts by the end of the period.
VIS : Good, but moderate to poor in showers and rain in the central
and eastern parts until mid-period and in the south-west from
mid-period.
SEA STATE: 3.5 to 4.5m in the east and in the south-west from mid-period,
with W to NW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : SE to E 15 to 25 in the north-east, but NE 10 to 20 in
the south-east, otherwise N to NW 15 to 25 reaching 30 in the
south-west until mid-period. It will become SW to W 15 to 25
in the west and north during the second half of the period.
VIS : Good, but moderate to poor in showers and rain in the west
until mid-period.
SEA STATE: 3.5 to 4.5m in the south-west, with NW swell.
ENDS DE CAPE TOWN RADIO/ZSC+
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