AOR E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 02nd OF JULY 2024 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 021000 TO 031000 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: NW to W 35 to 40 in the west and south spreading to the
central parts by mid-period.
SYNOPTIC CHART 06:00Z
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High 1034 hPa 38s41e High 1024 hPa 24s02w.
Low 998 hPa 43s01w Low 1016 hPa 37s25e.
1. Cold front: 36s03w 40s00e into 43s01w.
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 15 to 20.
VIS : Good but moderate in light showers in the south-west.
SEA STATE: 3.0m in the extreme south-west from mid-period, with SW swell.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 10 to 15 reaching 20 in the south but SW 05 to 15 in
the extreme east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : Anti-cyclonic 05 to 10 over the central parts, otherwise
E to SE 10 to 20 but W to NW 10 to 20 in the south.
VIS : Good but moderate in showers and rain in the south.
SEA STATE: 3.0m in the south and west reaching 3.5m in the south-west,
with SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : Anti-cyclonic 05 to 10 in the south, otherwise S to SE 10 to
20 reaching 25 in the north-east but NW to W 10 to 15 in the
extreme south for the first half of the period.
VIS : Moderate in light showers in the extreme south for the first
half of the period, otherwise good.
TRISTAN (30S/40S, 00E/20W):
WIND : Anti-cyclonic 05 to 10 in the north-east for the first half of
the period, otherwise NW to W 15 to 25 reaching 30 to 40 in
the west and south spreading to the central parts by mid-
period.
VIS : Good in the east for the first half of the period, otherwise
moderate to poor in frontal showers and rain.
SEA STATE: 3.0m in the north-east, otherwise 4.5 to 5.5m, with W to SW
swell, reaching 6.0 to 6.5m in the west from mid-period
spreading to the central parts by end of the period.
CAPE WEST (30S/40S, 00E/20E):
WIND : NW 15 to 25 reaching 30 in the south-east from mid-period but
W to SW 15 to 25 in the west spreading to the central parts by
mid-period and the eastern parts by end of the period. It will
become N to NW 20 to 30 in the extreme west towards the end of
the period.
VIS : Good in the north-east, otherwise moderate to poor in frontal
showers and rain, becoming good in the west from mid-period.
SEA STATE: 3.0 to 3.5m, except in the north-east, reaching 4.0m in the
south-west, with mainly W to SW swell.
ENDS THIS IS CAPE TOWN RADIO
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