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WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII, EAST OF 20E ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 26TH OF SEPTEMBER 2024 AT 19:01 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 262200 TO 272200 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: S to SW 35 to 40 in the north during the first half of
the period.
2. DURBAN EAST: S to SW 35 to 40 in the west at first, spreading to
the south towards mid-period.
SYNOPTIC CHART 12:00Z
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High 1032 hPa 34s74e
Low 1006 hPa 32s30e
AREA FORECAST:
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CAPE EAST (32.5S/40S, 20E/50E):
WIND : NW 15 to 25 in the south-east, otherwise S to SW 15 to 25
reaching 30 to 40 in the north during the first half of the
period but SE 15 to 25 in the south-east and central parts.
VIS : Moderate to poor in showers and rain in places, clearing from
the west.
SEA STATE: 3.0 to 3.5m, reaching 4.0 to 4.5m in the north during the
first half of the period, with SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : Variable 05 to 10 over the central parts, otherwise N to NE 15
to 25 reaching 30 in the north but S to SW 15 to 25 in the
west, where it will reach 35 to 40 at first, spreading to the
south towards mid period. It will become variable 05 to 10 in
the south-west towards end of period
VIS : Good but moderate to poor in showers and rain in the south,
clearing from the west.
SEA STATE: 3.0 to 3.5m, reaching 4.0 to 4.5m in the west and central
parts during the first half of the period, with S to SW swell.
MOZAMBIQUE CHANNEL:
WIND : Variable 05 to 10 over the central parts, otherwise N to NE 05
to 15 but SE to E 10 to 20 in the north, and in the south-west
towards end of period.
VIS : Good but moderate in showers and rain in the north during the
first half of the period.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : NE 15 to 25 in the south, otherwise SE to E 10 to 20 reaching
25 in the north-west.
VIS : Moderate to poor in showers and rain, except in the south-
west.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : Variable 05 to 10 in the north-west, otherwise W to SW 15 to
25 reaching 30 in the south-east at first. It will become N to
NE 15 to 25 in the west and E 20 to 30 in the south-west
towards end of period.
VIS : Good but moderate to poor in rain and showers in the north-
east but in the west with possible snow-showers towards mid-
period.
SEA STATE: 3.5 to 4.5m, reaching 5.0 to 7.0m in the south-east at first,
with mainly SW swell.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
24/09/26 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 RUNNING OVER CRO AND KER.
PART 2: GENERAL SYNOPSIS, 24/09/26 AT 0000UTC
HIGH 1032 NEAR 34S/72E, SLOWLY MOVING EASTWAR
WAVING FRONT OVER CRO AND KER, MOVING EASTWARD.
PART 3: FORECAST FOR 24 HOURS FROM 24/09/26 AT 0600UTC TO 24/09/27
AT 0600UTC
WAM (30S/40S, 50E/65E)
SHOWERS AND SQUALLS BY NORTHWEST AREA.
WIND: ANTICLOCKWISE 3 TO 5 SETTING UP NORTHERLY 6 OVER WESTERN LATER.
GUSTS ON SQUALLS.
SEA : MODERATE TO ROUGH, BUT VERY ROUGH OVER SOUTHERN AREA. SW SWELL
2 TO 4 M FROM NORTH TO SOUTH.
VIS : GOOD, BUT POOR OVER WESTERN AREA.
AMS (30S/40S, 65E/80E)
FEW SHOWERS.
WIND: ANTICLOCKWISE 3 TO 5.
SEA : MODERATE TO ROUGH. SW SWELL 2 TO 3 M.
VIS : GOOD.
CRO (40S/50S, 50E/65E)
FRONTAL RAIN AND SHOWERS WITH WAVING FRONT. SQUALLS. SNOW OVER FAR SOUTHERN.
WIND: WESTERLY 6/7 LOCALLY 8 IN VICINITY OF FRONT AND OVER FAR
SOUTHERN AREA. SEVERE GUSTS.
SEA : ROUGH TO VERY ROUGH FROM NORTH TO SOUTH LOCALLY HIGH OVER FAR
SOUTHERN AREA. SW SWELL 3 TO 5 M.
VIS : POOR IN PRECIPITATIONS.
KER (40S/50S, 65E/80E)
RAIN AND FRONTAL SHOWERS WITH WAVING FRONT. SNOW SHOWERS IN THE FAR SOUTHERN.
WIND: WESTERLY 6/7 LOCALLY 8 IN VICINITY OF FRONT. STRONG GUSTS.
SEA : ROUGH TO VERY ROUGH. W TO SW SWELL 4 TO 5 M.
VIS : POOR WITH PRECIPITATION.
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