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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 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 221000 TO 231000 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 tomorrow morning.
SYNOPTIC CHART 06:00Z
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High 35s09w 1030 hPa
High 31s54e 1034 hPa
Cold Front: 43s24e, 50s29e into 54s24e (976 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 S to SE 10 to 20
reaching 30 towards the end of the period, but SW 10 to 15 in
the extreme south.
VIS : Good, but 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.m SW swell in places.
MOZAMBIQUE CHANNEL:
WIND : E to SE 15 to 25 reaching 30 in the north-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 4.0m SE swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : W to NW 15 to 25 reaching 35 in the south until tomorrow
morning. It will become variable 05 in the north from
midnight.
VIS : Good, but moderate in frontal showers and rain in the south
clearing midnight.
SEA STATE: 5.0 to 6.0m W to SW swell reaching 7.0 to 8.0m in the south,
but 9.0 to 10.0m in the south-east reaching 10.5m in the
extreme south-east at first. It will subside from the north-
west from midnight to 3.0 to 4.0m.
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 0500UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE.).
PART 1: WARNING :
– GALE RUNNING AND STORM EXPECTED OVER CRO, STRONG GALE EXPECTED OVER
KER.
PART 2: GENERAL SYNOPSYS, 24/05/22 AT 0000 UTC :
– DEEPENING LOW 971 NEAR 51S/43E, MOVING VERY RAPIDLY EASTWARD. WARM
FRONT 45S/64E, 50S/58E, 53S/46E. COLD FRONT 40S/41E, 44S/50E, 50S/54E,
52S/50E.
– HIGH 1033 OVER WAM WITH A RIDGE TOWARD AMS.
PART 3: FORECAST FOR 24 HOURS FROM 22/05/24 AT 0600 UTC TO 23/05/24 AT 0600UTC :
WAM (30S/40S,50E/65E) :
FEW RAIN OVER SOUTHERN SOON.
WIND: ANTICLOCKWISE 3 TO 5 IN NORTH AND W 6/7 IN SOUTH DECREASING 4/5.
SEA : MODERATE TO ROUGH IN NORTH, VERY ROUGH IN SOUTH. SW SWELL 2 TO 4 M,
INCREASING 4 TO 5 M IN SOUTH LATER.
VISI: POOR IN PRECIPITATIONS.
AMS (30S/40S,65E/80E) :
SCATTERED SHOWERS IN SOUTH AT FIRST.
WIND: SW 3/5 IN NORTH AND W 6/7 IN SOUTH.
SEA : MODERATE TO ROUGH IN NORTH, VERY ROUGH TO HIGH IN SOUTH. SW SWELL 2
TO 4 M INCRESAING 4 TO 6 M IN SOUTH AT END.
VISI: GOOD.
CRO (40S/50S,50E/65E) :
RAIN OR SNOW IN SOUTH.
WIND: WESTERLY 7/8, INCREASING 9/10 IN SOUTH SOON, DECREASING W 5/6 IN
NORTH-WEST TONIGHT. SEVERE GUSTS.
SEA : VERY ROUGH TO HIGH BECOMING HIGH TO VERY HIGH SOON. LONG SW SWELL 2
TO 4 M INCREASING 4 TO 6 M FROM WEST TONIGHT, LOCALLY 6 TO 7 M IN
SOUTH.
VISI: POOR TO VERY POOR IN PRECIPITATIONS.
KER (40S/50S,65E/80E) :
RAIN OR SNOW, MORE FREQUENT IN SOUTH.
WIND: INCREASING NW 7/8 AT FIRST, THEN W 8/9 TONIGHT. SEVERE GUSTS.
SEA : VERY ROUGH TO HIGH, BECOMING HIGH TO VERY HIGH. LONG SW SWELL 4 TO
6 M DECREASING 2 TO 4 M TONIGHT, INCREASING 5 TO 7 M OVER WESTERN
AT END.
VISI: POOR TO VERY POOR IN PRECIPITATIONS.
ENDS DE CAPE TOWN RADIO/ZSC+
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