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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 19th OF JUNE 2024 AT 17:00 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 192200 TO 202200 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 to 45 in the south-west spreading to
the south-east towards the end of the period.
SYNOPTIC CHART 12:00Z
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High 1024 hPa 37s03e
Low 980 hPa 50s04e
Low 1010 hPa 38s28e
Cold Front: 38s00e 43s09e 48s09e into 50s04e Cold Front: 33s23e 38s28e into 38s28e
AREA FORECAST:
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CAPE EAST (32.5S/40S, 20E/50E):
WIND : N to NW 15 to 25 in the extreme east at first, otherwise W to
SW 15 to 25, but anti-cyclonic 05 to 10 in the north-west
from mid-period, spreading to the central parts towards the
end of the period while becoming NE 20 to 30 in the extreme
west.
VIS : Moderate in showers and rain, but good in the north-east.
SEA STATE: 3.0 to 4.0m, except in the north-east, reaching 5.0m in the
south-west, S to SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : Variable 05 to 15 in the north-west at first, otherwise S to
SE 05 to 15, but N to NE 10 to 20 in the east and extreme
south-west.
VIS : Moderate in showers and rain in places.
MOZAMBIQUE CHANNEL:
WIND : S to SE 15 to 25, but variable 05 to 15 in the south at first.
VIS : Good.
MADAGASCAR EAST:
WIND : NE to E 10 to 20, but S to SE 15 to 25 in the north,
reaching 30 in the extreme north.
VIS : Moderate in showers and thundershowers in places.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : S to SW 10 to 20 in the east at first, otherwise W to NW 15 to
25, reaching 35 to 45 in the south-west spreading to the
south-east towards the end of the period.
VIS : Moderate to poor in showers and rain in places at times.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
DATE: 24/06/19 at 1700 UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (Wind gusts may be stronger than averages given here).
PART 1: WARNING : Nil.
PART 2: GENERAL SYNOPSYS, 24/06/19 at 1200 UTC:
– Filling Low 939 near 60S/42E, moving south-eastward. Cold front 41S/33E, 42S/40E, 50S/49E, 57S/54E, 61S/51E.
– High 1029 near 34S/60E, slow-moving eastward.
PART 3: FORECAST FOR 24 HOURS from 19/06/24 at 1800 UTC to 20/06/24 at 1800 UTC:
WAM (30S/40S,50E/65E) : Rain, showers and squalls from south-west.
WIND : Anticlockwise 3/5 but NW 5/6 in south.
SEA : Moderate to rough. SW swell 2 to 3 m abating.
VISI : Becoming poor or very poor from south-west.
AMS (30S/40S,65E/80E) : Scattered showers.
WIND : Becoming anticlockwise 2/4.
SEA : Rough becoming moderate from west. SW swell 2 to 4 m.
VISI : Good.
CRO
