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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 02nd 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 021000 TO 031000 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 NW 35 in the west towards the end of the period.
SYNOPTIC CHART 06:00Z
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High 1034 hPa 38s41e High 1024 hPa 24s02w.
Low 998 hPa 43s01w Low 1016 hPa 37s25e.
1. Cold front: 36s03w 40s00e into 43s01w.
AREA FORECAST:
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CAPE EAST (32.5S/40S, 20E/50E):
WIND : W to NW 15 to 25 in the west reaching 30 to 35 towards the end
of the period, otherwise N to NE 20 to 30 but anti-cyclonic 05
to 15 in the east.
VIS : Good in the east, otherwise moderate to poor in showers and
thundershowers.
SEA STATE: 3.0 to 3.5m with SW swell but E to NE swell over the central
and western parts.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : E to SE 15 to 25 in the east, otherwise E to NE 15 to 25.
VIS : Good in the western and south-eastern parts, otherwise
moderate in showers.
SEA STATE: 3.0m in the extreme south at first and in the extreme north
from mid-period, with SW swell.
MOZAMBIQUE CHANNEL:
WIND : S to SE 05 to 10 reaching 15 to 20 in the east and north.
VIS : Moderate in light showers in the west and south, otherwise
good.
MADAGASCAR EAST:
WIND : S to SE 10 to 20 reaching 25 in the north. It will become E to
NE 10 to 20 in the south from mid-period reaching 25 in the
extreme south-west.
VIS : Moderate in light showers.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : SW 15 to 25 in the east for the first half of the period
reaching 30 in the south-east, otherwise N to NW 15 to 25
reaching 30 in the north-west from mid-period.
VIS : Mostly good, becoming moderate to poor in showers and rain in
the west from mid-period spreading to the central parts by end
of the period.
SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in the south-eastern parts
for the first half of the period, with mainly SW swell.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
DATE: 24/07/02 AT 0500UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE.).
PART 1: WARNING :
– FORCE 8 GALE OVER WAM, AMS, CRO AND KER.
PART 2: GENERAL SYNOPSYS, 24/07/02 AT 0000 UTC :
– LOW 951 HPA NEAR 53S/89E MOVING EAST-SOUTHEASTWARD WITH ASSOCIATED COLD FRONT CF AXIS: 29S/56E, 32S/65E, 40S/79E, FOLLOWED BY SECONDARY FRONT CG.
– HIGH 1034 HPA NEAR 40S/39E, EXPECTED 1029 NEAR 33S/50E AT THE END.
PART 3: FORECAST FOR 24 HOURS FROM 02/07/24 AT 0600 UTC TO 03/07/24 AT 0600UTC :
WAM (30S/40S,50E/65E) :
RAIN AND FRONTAL SHOWERS WITH CF TO THE NORTH-EAST AT FIRST, FOLLOWED BY SHOWERS TO THE SOUTH-EAST WITH CG.
WIND :
SOUTHERLY 5/6 IN THE NORTH AND SW 6/7 IN THE SOUTH, REACHING 8 IN THE SOUTHEAST, BECOMING ANTICYCLONIC 2/4 IN THE WEST LATER.
SEA: ROUGH TO VERY ROUGH, BECOMING HIGH IN THE SOUTH-EAST. SW SWELL 2/4M INCREASING TO 3/5M.
VISI : POOR UNDER PRECIPITATION.
AMS (30S/40S,65E/80E) :
RAIN AND FRONTAL SHOWERS WITH CF, FOLLOWED BY CG OVER SOUTH ZONE
WIND:
NORTH HALF: WEST TO NORTHWEST 5/6 AHEAD OF FRONT CF , BACKING SOUTHWEST 4/5, LATER INCREASING 6/7 OVER SOUTH ZONE ( CG) .
SOUTH HALF: NORTH-WEST 6/7 WITH CF, BACKING SOUTH-WEST 4/5 THEN LATER INCREASING WESTERLY 6/7 LOCALLY 8 WITH CG.
SEA : ROUGH TO VERY ROUGH, BECOMING HIGH IN THE SOUTHWEST. SW SWELL 2/4M, INCREASING 3/5M.
VISI : POOR UNDER PRECIPITATION.
CRO (40S/50S,50E/65E) :
SHOWERS AND CG SQUALLS (SNOW IN THE SOUTH).
WIND :
SOUTHWEST 7/8, DECREASING 4/6 OVER WEST AT END, BUT SOUTHWEST 4/6 OVER SOUTHEAST AREA.
SEA: VERY ROUGH TO HIGH. SOUTH-WESTERLY SWELL 3/5M.
VISI : VERY POOR UNDER PRECIPITATION.
KER (40S/50S,65E/80E) :
SHOWERS AND RAIN UNDER CF IN THE NORTH-EAST AT FIRST, FOLLOWED BY SHOWERS OR SQUALLS WITH CG (SNOW IN THE SOUTH).
WIND :
WNW 5/6 LOCALLY 7, DECREASING SOON SW 4/5 OVER SOUTH AREA, THEN INCREASING LATER SW 6/7 LOCALLY 8 OVER NORTHWEST AREA.
SEA: VERY ROUGH, TEMPORARILY HIGH IN THE FAR EAST AT FIRST. WESTERLY SWELL 4/6M DIMINISHING TO 3/4M.
VISI : VERY POOR UNDER PRECIPITATION.
ENDS THIS IS CAPE TOWN RADIO
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