SECURITE
IOR
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. EAST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 15th OF AUGUST 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 151000 TO 161000 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 EAST: S to SW 35 in the extreme east at first.
2. MARION FORTIES EAST: S to SW 35 to 45 in places, becoming W to NW
35 in the extreme north-west towards the end of the period.
SYNOPTIC CHART 06:00Z
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Low 956 hPa 54s43e
AREA FORECAST:
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CAPE EAST (32.5S/40S, 20E/50E):
WIND : S to SW 15 to 25 in the east, reaching 35 in the extreme east
at first, otherwise W to NW 15 to 25, but anti-cyclonic 05 to
10 in the north-west.
VIS : Moderate in showers and rain, becoming good in the west.
SEA STATE: 3.0 to 4.0m in the extreme west, otherwise 5.0 to 6.0m, but
7.0 to 8.0m over the central parts at first, spreading to the
east by mid-period, SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : NW 10 to 20 in the north-east until mid-period, otherwise S to
SW 15 to 25, becoming anti-cyclonic 05 to 10 in the extreme
west towards the end of the period.
VIS : Good.
SEA STATE: 3.0 to 4.0m, but 5.0 to 6.0m in the south-west, spreading to
the east towards the end of the period, reaching 7.0 to 7.5m
in the extreme south-west at first, SW swell.
MOZAMBIQUE CHANNEL:
WIND : S to SE 15 to 25 in the south-west.
VIS : Good, but moderate in showers in the extreme north.
SEA STATE: 3.0 to 4.0m in the south by mid-period, reaching 5.0 to 6.0m
in the extreme south-east, SW swell.
MADAGASCAR EAST:
WIND : Variable 05 to 10 in the south, otherwise E to SE 10 to 20.
VIS : Moderate in showers in places, but good in the south.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : S to SW 15 to 25 in the west, reaching 35 to 45 in places,
becoming W to NW 10 to 20 in the extreme west towards the end
of the period, reaching 35 in the extreme north-west.
VIS : Moderate to poor in showers and rain at times.
SEA STATE: 7.0 to 8.0m, reaching 9.0 to 10.0m in the south-east, S to SW
swell.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK
(AMSTERDAM-CROZET-KERGUELEN)
DATE: 24/08/15 at 0500UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (Wind gusts may be about 40% stronger than the averages given here.).
PART 1: WARNING :
– Strong gale force 9 over WAM, CRO and KER.
– Gale force 8 over AMS.
PART 2: GENERAL SYNOP
