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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 14th OF JULY 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 141000 TO 151000 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: W to SW 35 in the north-east from mid-period.
SYNOPTIC CHART 06:00Z
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Low 1014 hPa 41s28e
Low 1012 hPa 37s34e
AREA FORECAST:
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CAPE EAST (32.5S/40S, 20E/50E):
WIND : N to NW 15 to 25 over the central part at first, spreading to
the east where it be NE 15 to 25 until mid-period, otherwise W
to SW 15 to 25, reaching 35 in the north-east from mid-period.
VIS : Moderate in showers and thundershowers, but good in the east
at first.
SEA STATE: 3.0 to 4.0m, except in the north-east, reaching 4.5 to 5.0m in
the north-west at times, SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : N to NE 10 to 20 in the east, otherwise NW 10 to 20, but SW 10
to 20 in the south-west.
VIS : Good, but moderate in the south-west.
SEA STATE: 3.0 to 4.0m in the south-west, SW swell.
MOZAMBIQUE CHANNEL:
WIND : Ant-cyclonic 05 to 10 in the south, otherwise E to SE 10 to
20.
VIS : Good.
MADAGASCAR EAST:
WIND : S to SE 20 to 30, but NE 10 to 20 in the south.
VIS : Moderate in showers in places, but good in the south.
SEA STATE: 3.0m in the north, SE swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : Cyclonic 15 to 25 in the north-west, reaching 35 to 40 in
places, otherwise E to NE 15 to 25.
VIS : Moderate in showers and rain, but good in the south.
SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.5m in places in the north-west,
N to NE swell.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
DATE: 24/07/14 at 0500UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (Wind gusts may be about 40% stronger than the averages given here.).
PART 1: WARNING :
– Nil.
PART 2: GENERAL SYNOPSYS, 24/07/14 at 0000 UTC :
– High 1034 near 51S/42E with associated ridge extending north-eastward. Forecast over CRO soon.
– High 1028 near 29S/59E, merging with high over CRO soon.
– Cold front axis 36S/65E, 35S/77E, 36S/90E
PART 3: FORECAST FOR 24 HOURS from 14/07/24 at 0600 UTC to 15/07/24 at 0600UTC :
WAM (30S/40S,50E/65E) :
Showers and squalls over far southwestern later. Scattered showers elsewhere.
WIND: SW 3/5 over northern at first, becoming Easterly 3/5 by southern
and increasing NE 6/7 over far southwestern later.
SEA : moderate to rough. Westerly swell, 2/3 m abating.
VIS : Generally good, becoming poor in precipitations over far south-
western later.
AMS (30S/40S,65E/80E) :
Frontal rains and showers moving eastward.
WIND: W 6/7 ahead of front, becoming southerly 4/5 behind.
SEA : very rough becoming rough by western. SW swell 3/5m decreasing 2/4m
by western. S swell 2/3 m over southern later.
VIS : poor in precipitations.
CRO (40S/50S,50E/65E) :
Scattered showers, more frequent over far north-western at end.
WIND: anticlockwise 3/5 locally 6 over south-eastern and north-western.
Increasing NE 7 over far north-western at end.
SEA : rough to very rough, becoming moderate to rough from west to east
soon. Westerly swell 2 to 3 m then S swell 2 m.
VIS : Generally good, becoming poor in precipitations over far north-western later.
KER (40S/50S,65E/80E) :
Showers, locally snow in the south.
WIND : S to SW 5/6 locally 7 over far southern.
SEA : routh to very rough. Westerly swell 2/4m abating, locally S swell
4/5m over far eastern at start. Sw sweel increasing 3/5 m over far
southern soon.
VIS : poor in precipitations.
ENDS THIS IS CAPE TOWN RADIO
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