IOR
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII, EAST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
12TH OF SEPTEMBER 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 121000 TO 131000 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: E to NE 35 in places in the west. It will become cyclonic
35 in the north-west towards mid-period spreading to the
south towards the end of the period.
2. DURBAN EAST: E to NE 35 in places in the West and south-west until
towards the end of the period.
SYNOPTIC CHART 06:00Z
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High 1030 hPa 43s31e
High 1026 hPa 28s20W
Low 1016 hPa 32s15e
AREA FORECAST:
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CAPE EAST (32.5S/40S, 20E/50E):
WIND : E to NE 20 to 30 reaching 35 in places in the west, but S to
SW 15 to 25 in the east. It will become cyclonic 25 to 35 in
the north-west towards mid-period spreading to the south
towards the end of the period.
VIS : Good in the east, otherwise moderate to poor in showers and
Thundershowers.
SEA STATE: 3.5 to 4.5m reaching 5.0 to 5.5m in the south-east at first,
subsiding in the south towards the end of the period, with E
to NE swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : S to SW 15 to 25 in the south-east, otherwise E to NE 20 to 30
reaching 35 in places in the West and south-west until towards
the end of the period.
VIS : Good, but moderate in showers and thundershowers in places in
the west.
SEA STATE: 3.0 to 4.0m except in the northern parts, with SW swell.
MOZAMBIQUE CHANNEL:
WIND : N to NE 15 to 25 in the south-west reaching 30 in the extreme
south-west, otherwise S to SE 10 to 20, reaching 25 to 30 in
the south-east.
VIS : Good.
SEA STATE: 3.0m in the south, with S to SW swell.
MADAGASCAR EAST:
WIND : W to NW 05 to 10 in the south-east at first, otherwise S to SE
10 to 20 reaching 25 to 30 in the north-west.
VIS : Good, but moderate in showers and rai