AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 17TH OF SEPTEMBER 2024 AT 16:00 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 172200 TO 182200 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 : NE to N 35 in the south-west from mid-period.
2. CAPE WEST: SE to S 35 to 40 in the south-east during the first half of
the period.
SYNOPTIC CHART 12:00Z
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High 1037 hPa 40s15w
Low 1014 hPa 38s06e
Low 953 hPa 55s23e
1. Cold Front: 31s05w 33s00e 36s05e into 38s06e cont. 39s10e 39s15e
40s20e 41s25e 43s30e 45s35e 48s40e 53s41e 58s35e into
55s23e
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 15 to 20.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : SW to W 05 to 10 in the east, otherwise S to SE 10 to 20.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 10 to 20, but NE 10 to 20 in the south-west.
VIS : Good, but moderate in showers in the west until mid-period.
TRADES (15S/30S, 00E/WEST COAST):
WIND : SW 10 to 15 in the south-west at first, otherwise S to
SE 15 to 25.
VIS : Good.
SEA STATE: 3.0m in the south-west by the end of the period, with SW
swell.
TRISTAN (30S/40S, 00E/20W):
WIND : SE to E 15 to 25, but NE to N 15 to 25 in the west spreading
to the central parts by the end of the period reaching 30 to
35 in the south-west from mid-period.
VIS : Good, but moderate to poor in showers and rain in the west
from mid-period.
SEA STATE: 3.0 to 4.0m
