IOR
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.EAST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 14th OF JULY 2024 AT 17:30 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 142200 TO 152200 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: W to SW 35 over the north-western parts at first and in the
south-central parts towards the end of the period.
2. MARION FORTIES EAST: E to NE 35 in places from mid-period, but
cyclonic 35 to 40 in places in the north-west.
SYNOPTIC CHART 12:00Z
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High 1024 hPa 27s10e.
Low 996 hPa 42s03w
Low 1014 hPa 38s23e
Low 1012 hPa 37s34e
1. Cold Front: 23s10w 28s00w 33s04e 38s03e 43s03w into 42s03w cont.
47s03w 52s01w.
AREA FORECAST:
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CAPE EAST (32.5S/40S, 20E/50E):
WIND : W to SW 15 to 25, reaching 35 over the north-western parts at
first and in the south-central parts towards the end of the
period, otherwise N to NW 15 to 25, but NE 10 to 20 in the
extreme east at first.
VIS : Moderate in showers and thundershowers in places.
SEA STATE: 3.0 to 4.0m, except in the north-east, reaching 4.5 to 5.0m
over the south-central parts, W to SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : S to SW 15 to 25 in the west, otherwise NW 10 to 20, but N to
NE 15 to 25 in the extreme east.
VIS : Good, but moderate in showers the south-east.
SEA STATE: 3.0 to 4.0m in the south-west, SW swell.
MOZAMBIQUE CHANNEL:
WIND : Anti-cyclonic 05 to 10 in the south, otherwise E to SE 10 to
20.
VIS : Good.
MADAGASCAR EAST:
WIND : S to SE 20 to 30, but NE 10 to 20 in the south.
VIS : Moderate in showers in places, but good in the south.
SEA STATE: 3.0m in the north, SE swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : Cyclonic 15 to 25 in the north-west, reaching 35 to 40 in
places, otherwise E to NE 15 to 25, reaching 35 in places from
mid-period.
VIS : Moderate in showers and rain, but good in the extreme south.
SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in places in the north, E to
NE swell.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
DATE: 24/07/14 at 1700 utc
AVERAGED WIND SPEED ON BEAUFORT S
