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 13:30 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 122200 TO 132200 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: Cyclonic 35 in the west spreading to the central and south
from mid-period, while reaching 40 in the south-west
towards the end of the period.
2. DURBAN EAST: E to NE 35 in places in the west and south-west at first.
3. MARION FORTIES EAST: N to NW 35 to 40 in the extreme south-west
spreading to the south-east by the end of the
period.
SYNOPTIC CHART 12:00Z
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High 1032 hPa 42s34e
High 1027 hPa 28s23W
Low 1018 hPa 32s15e
AREA FORECAST:
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CAPE EAST (32.5S/40S, 20E/50E):
WIND : S to SW 10 to 20 in the east at first, but cyclonic 25 to 35
in the west spreading to the central and south from mid-
period, reaching 40 in the south-west towards the end of the
period, otherwise E to NE 15 to 25.
VIS : Good in the east, otherwise moderate to poor in showers and
Thundershowers.
SEA STATE: 3.5 to 4.5m subsiding in the south-west and east from mid-
Period, with SW swell in the east, otherwise E to NE.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : S to SE 15 to 25 in the east, otherwise E to NE 20 to 30
reaching 35 in places in the West and south-west at first.
VIS : Good, but moderate in showers and thundershowers in the south-
west.
SEA STATE: 3.0 to 4.0m except in the north-western parts, with NW swell
in the south-west otherwise SW.
MOZAMBIQUE CHANNEL:
WIND : N to NE 15 to 25 in the south-west reaching 30 in the extreme
south-west at times, otherwise S to SE 10 to 20, reaching 25
to 30 in the south-east and extreme north-east.
VIS : Good.
SEA STATE: 3.0m in the south, with S to SW swell.
MADAGASCAR EAST:
WIND : S to SE 10 to 20 reaching 25 to 30 in the north-west. It will
become E to NE 20 to 30 in t
