IOR
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII EAST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 19TH OF OCTOBER 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 191000 TO 201000 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 EAST: NW to W 35 in the south-west, spreading to the
south towards end of period.
SYNOPTIC CHART 06:00Z
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High 1032 hPa 36s07w, High 1020 hPa 38s29e, High 1029 hPa 35s73e
Low 1006 hPa 40s43e
AREA FORECAST:
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CAPE EAST (32.5S/40S, 20E/50E):
WIND : NW 15 to 25 in the east, reaching 30 in the south-east during
the first half of the period, otherwise S to SW 15 to 25 but
SE 15 to 25 in the north-west, and in the south-west during
the second half of the period.
VIS : Moderate to poor in showers and rain, except in the south.
SEA STATE: 3.0 to 3.5m in the south-east, with W to NW swell but in the
south-west towards end of period, with mainly SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : Variable 05 to 10 in the east, otherwise E to SE 10 to 20
reaching 25 to 30 in the south-west towards mid-period but NE
to N 10 to 20 in the north-east and NW 10 to 20 in the south.
VIS : Good, but moderate to poor in showers and rain in the north
and south-west.
SEA STATE: 3.0 to 3.5m in the south-west towards mid-period, with SE
swell.
MOZAMBIQUE CHANNEL:
WIND : Variable 05 over the central parts, otherwise E to SE 10 to
20 but NE to E 05 to 15 in the south-west, spreading over the
western parts by mid-period.
VIS : Good, but moderate in showers in the north.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : S to SW 15 to 25 in the north-west, otherwise N to NW 10 to 20
reaching 25 in the south-west but variable 05 to 10 in the
south-east at first.
VIS : Moderate to poor in showers and rain, except in the south-
east.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : S to SW 15 to 25 in the north-west, but 30 in the north,
otherwise NW to W 15 to 25 reaching 30 to 35 in the south-
west, spreading to the south towards end of period.
VIS : Moderate to poor in showers and rain in the north-east during
the first half of the period, but in the south-west towards
end of period.
SEA STATE: 3.0 to 3.5m in the north-east and south-west, where it will
reach 4.0 to 6.0m towards end of period, with W to SW swell.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
24/10/19 AT 0500UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
– GALE FORCE 8 OVER FAR SOUTHERN
