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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 22nd OF MAY 2024 AT 19:00 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 222200 TO 232200 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: W to NW 35 in the south until mid-morning.
SYNOPTIC CHART 12:00Z
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High 31s55e 1032 hPa
AREA FORECAST:
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CAPE EAST (32.5S/40S, 20E/50E):
WIND : N to NW 10 to 20 in the north-east, otherwise E to SE 10 to 20 VIS : Moderate in showers and rain in the south towards midnight.
SEA STATE: 3.5 to 4.5m W to SW swell reaching 5.5m in the extreme south,
subsiding to 3.0 to 3.5m from midnight.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : N to NE 15 to 25 in the south-west, otherwise anti-cyclonic 05
to 15 reaching 20 to 25 in places.
VIS : Good.
SEA STATE: 3.0m SW swell in places.
MOZAMBIQUE CHANNEL:
WIND : E to SE 10 to 20 reaching 30 in the extreme east.
VIS : Good.
MADAGASCAR EAST:
WIND : E to SE 15 to 25 reaching 30 in the extreme north.
VIS : Moderate in showers and rain.
SEA STATE: 3.0 to 3.5m SE swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : W to NW 15 to 25 reaching 35 in the south until mid-morning.
It will become S to SW 10 to 20 in north from mid-morning.
VIS : Good, but moderate in showers and rain in the north from mid-
morning.
SEA STATE: 4.5 to 5.5m W to SW swell reaching 6.5 to 7.5m in the south.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK
(AMSTERDAM-CROZET-KERGUELEN)
DATE: 24/05/22 AT 1700 UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE STRONGER THAN AVERAGES GIVEN HERE).
PART 1: WARNING :
– TEMPORARILY STORM FORCE 10 OVER CRO AND NORTH OF KER DURING THE NIGHT.
– STRONG GALE FORCE 9 RUNNING OVER CRO AND KER.
PART 2: GENERAL SYNOPSYS, 24/05/22 AT 1200 UTC:
– LOW 965 HPA NEAR 52S/64E, MOVING VERY RAPIDLY EASTWARD WITH COLD FRONT
CF ASSOCIATED AND AXIS 40S/55E, 42S/64E, 46S/71E.
– HIGH 1033 HPA NEAR 31S/52E WITH A RIDGE TOWARD AMS.
– COLD FROND CG AXIS 47S/37E, 52S/36E, 55S/30E MOVING EASTWARD 25KT.
PART 3: FORECAST FOR 24 HOURS FROM 22/05/24 AT 1800 UTC TO 23/05/24 AT
1800 UTC:
WAM (30S/40S, 50E/65E):
SCATTERED SHOWERS OVER SOUTHERN AREA.
WIND: ANTICLOCKWISE 3 TO 5 IN NORTH AND W TO SW 6/7 IN SOUTH.
SEA : MODERATE TO ROUGH BECOMING VERY ROUGH OVER SOUTHERN AREA. SW SWELL
4 TO 5 M.
VIS : POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E):
SCATTERED SHOWERS.
WIND: SW 3/5 IN NORTH AND SW 6/7 IN SOUTH.
SEA : ROUGH TO VERY ROUGH TO HIGH OVER SOUTHERN AREA. SW SWELL INCREASING
5 TO 7 M OVER SOUTHERN AREA.
VIS : GOOD.
CRO (40S/50S, 50E/65E):
FRONTAL RAIN AND SCATTERED SHOWERS UNDER CF OVER NORTHERN AREA AT BEGINNING THEN RAIN OR SNOW UNDER CG OVER SOUTHERN AREA.
WIND: WESTERLY 7/8, INCREASING 9/10 THE NEXT NIGHT. SEVERE GUSTS.
SEA : ROUGH TO VERY ROUGH BECOMING HIGH. LONG SW SWELL INCREASING 5 TO 6
M THE NEXT NIGHT, LOCALLY 6 TO 7 M OVER EASTERN AREA.
VIS : VERY POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E):
RAIN OR SNOW, MORE FREQUENT OVER SOUTHERN AREA THEN UNDER CG.
WIND: INCREASING W 7/8 LOCALLY 9/10 THE NEXT NIGHT. SEVERE GUSTS.
SEA : VERY ROUGH TO HIGH, BECOMING HIGH TO VERY HIGH. LONG SW SWELL 4 TO
6 M INCREASING 5 TO 7 M LOCALLY 8 M OVER WESTERN AREA TOMORROW.
VIS : POOR TO VERY POOR IN PRECIPITATION.
ENDS DE CAPE TOWN RADIO/ZSC+
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