AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII, WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 20TH OF JANUARY 2025 AT 08:30 UTC.
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 201000 TO 211000 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 central east from mid-period.
SYNOPTIC CHART 06:00Z
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High 1024 hPa 37s02e
High 1018 hPa 26s01w
Low 992 hPa 48s40e
Low 1012 hPa 32s31e
Low 1008 hPa 23s41e
1. Cold Front: 38s31e 40s35e 42s40e 46s45e into 48s40e
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 05 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 05 to 15, but SW to W 05 to 10 in the east.
VIS : Good, but moderate to poor in showers and thundershowers in
the north-east.
ST HELENA (15S/30S, 00E/20W):
WIND : Variable 05 to 10 in the central parts, otherwise E to SE 05
to 15, but N to NW 05 to 15 in the south-west.
VIS : Moderate in showers and rain in places in the southern half
spreading to the north by the end of the period.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 15 to 25, reaching 30 in the south-east.
VIS : Good, but moderate in showers and rain in the south-west.
SEA STATE: 3.0m in the south-east from mid-period, with S to SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : NE 10 to 15 in the north-east, otherwise N to NW 10 to 20.
VIS : Moderate in showers and rain in places, except in the south-
east.
CAPE WEST (30S/40S, 00E/20E):
WIND : SW 05 to 15 in the south-east at first, otherwise S to SE 10
to 20 reaching 25 to 30 in the north-east from mid-period
while reaching 35 in the central east. It will be N to NE 10
to 20 in the south-west spreading to the north-west from mid-
period.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the southern half spreading to the north-east
from mid-period, while subsiding from the west, with SW
swell.
ENDS CAPE TOWN RADIO
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