LETIN FOR THE HIGH SEAS FOR METAREA VII. EAST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 04th 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 041000 TO 051000 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 to 45 in the extreme west from mid-period.
2. DURBAN EAST: S to SW 35 in the extreme south-west by mid-period.
SYNOPTIC CHART 06:00Z
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High 1028 hPa 33s57e.
Low 1004 hPa 44s31e
1. Cold Front: 34s29e 39s34e 44s34e into 44s31e.
AREA FORECAST:
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CAPE EAST (32.5S/40S, 20E/50E):
WIND : N to NE 15 to 25, in the extreme east, otherwise W to SW 15 to
25, reaching 35 to 45 in the extreme west from mid-period.
VIS : Moderate in showers and thunderstorms.
SEA STATE: 3.0 to 4.0m in the west, reaching SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : N to NE 15 to 25 in the east, otherwise N to NW 15 to 25 but S
to SW 10 to 20 in the south-west reaching 35 in the extreme
south-west by mid-period.
VIS : Good in the north-west, otherwise moderate in showers.
SEA STATE: 3.0 to 4.0m, but 5.0 to 6.0m in the west, reaching 7.0m in
places in the extreme west, SW swell.
MOZAMBIQUE CHANNEL:
WIND : S to SE 10 to 20 in the north, otherwise variable 05 in the
south, but N to NW 10 to 20 in the extreme south until mid-
period.
VIS : Good, but moderate in showers in the south-east.
MADAGASCAR EAST:
WIND : S to SE 15 to 25. but N to NE 15 to 25 in the south.
VIS : Moderate in showers in places.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : W to NW 15 to 25 in the east until mid-period, otherwise N to
NE 15 to 25, becoming cyclonic 05 to 10 in the north-west
towards the end of the period.
VIS : Moderate to poor in showers and rain.
SEA STATE: 3.0 to 3.5m in places in the east, SW swell.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
DATE: 24/07/04 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 KER at end.
PART 2: GENERAL SYNOPSYS, 24/07/04 at 0000 UTC :
– Cold front CF axis 39S/36E, 40S/41E, 45S/47E, 52S/50E moving Eastward. Forecast over CRO at first and over southwestern KER later.
– Cold front CG over far northwestern WAM at end.
– High 1027 near 34S/55E, slowly moving eastward.
– High 1021 over western CRO at end.
PART 3: FORECAST FOR 24 HOURS from 04/07/24 at 0600 UTC to 05/07/24 at 0600UTC :
WAM (30S/40S,50E/65E) :
Scattered showers. Frontal rain and showers with CG over far north-western at end.
WIND: anticlockwise 2/4, increasing northerly 5/6 by western locally 7
over far western at end.
SEA : rough, locally very rough over far south-eastern, becoming moderate
to rough by western soon. SW swell 2 to 4 m from west to east,
abatting by western.
VIS : Good, becoming poor over far north-western at end.
AMS (30S/40S,65E/80E) :
Showers in south-east.
WIND: SW 4/5 locally 6 over south-eastern. Becoming anticlockwise 2/4 by
western later.
SEA : rough to very rough. SW swell 3 to 4 m.
VIS : poor in precipitations.
CRO (40S/50S,50E/65E) :
Frontal rains and showers with CF.
WIND: SW 4/5 over eastern, increasing NW 6/7 by western ahead of CF and
backing W or SW 6/7 behind. Decreasing variable 2/4 over western
at end.
SEA : rough to very rough becoming moderate over far north-western. SW
swell 2 to 4 m decreasing by western.
VIS : poor in precipitations.
KER (40S/50S,65E/80E) :
Showers. Frontal rains by southwestern with CF later.
WIND: SW 5/6, becoming N to NW 6/7 ahead of CF by western later and
backing SW 7/8 behind. Gusts.
SEA : rough to very rough. W to SW swell 3 to 5 m decreasing 2 to 3m.
VIS : poor in precipitations.
ENDS THIS IS CAPE TOWN RADIO
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