IOR
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII EAST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 31ST OF OCTOBER 2024 AT
16:15 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 312200 TO 012200 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. MARION FORTIES EAS: S to SW 35 in the north-east at first.
SYNOPTIC CHART 12:00Z
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High 1025 hPa 32s07w, High 1022 hPa 37s30e, High 1027 hPa 35s68e
Low 976 hPa 53s10w, Low 996 hPa 60s50e
1. Cold Front: 44s11w 47s06w 51s05w into 53s10w 2. Cold Front: 46s48e 52s54e into 60s50e
AREA FORECAST:
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CAPE EAST (32.5S/40S, 20E/50E):
WIND : W to SW 10 to 20 reaching 25 to 30 in the extreme south-east
at first, otherwise anticyclonic 05 in the west and extreme
south-west, but NE 10 to 20 in the north-west reaching 25 in
the north towards end of the period.
VIS : Good, but moderate in showers and rain in the west.
SEA STATE: 3.0 to 3.5m in the south-east for the first half of the
period, with SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : NE 15 to 25 over the eastern half, otherwise S to SW 15
to 25, becoming SE 05 to 15 in the central parts, but NE 10 to
20 in the south-west, where it will be reaching 25 towards the
end of the period
VIS : Moderate to poor in showers and rain in the east, otherwise
good.
SEA STATE: 3.0m in the extreme south-west towards the end of the period.
MOZAMBIQUE CHANNEL:
WIND : SE to S 10 to 20 but SW 15 to 25, but SW in the north-east
where it will become NW 05 to 15 from mid-period and NE 05 to
15 in the extreme south-west towards the end of the period.
VIS : Moderate to poor in showers and thundershowers in the central
and north-eastern parts, otherwise good.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : NE to E 15 to 25 in the south, otherwise SE 10 to 20.
VIS : Moderate in showers and thundershowers in places.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : S to SW 15 to 25 in the east, reaching 30 to 35 in the north-
east at first, otherwise NW 10 to 20 but variable 05 to 10 in
the north-west.
VIS : Moderate in showers and thundershowers over the
South-western parts for the first half of the period,
otherwise, good.
SEA STATE: 3.0m to 4.0
