AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 10TH OF DECEMBER 2024 AT 10:30 UTC.
FOR SOUTH-EAST SECTOR OF METAREA. VII, PREPARED BY REUNION, SEE AREA 2
BELOW.
NOTE: WX OBSERVATIONS.
======================
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 101000 TO 111000 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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Nil.
SYNOPTIC CHART 06:00Z
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High 1022 hPa 27s07w, High 1019 hPa 29s47e
Low 971 hPa 51s02w, Low 960 hPa 52s27e, Low 995 hPa 57s25e
1. Cold Front: 42s09w 46s10w 49s08w into 51s02w
2. Cold Front: 40s36e 42s40e 44s42e into 52s27e
3. Cold Front: 34s62e 38s68e 40s67e into 41s62e
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 10 to 20.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : W to SW 05 to 10 in the east at first, otherwise S to SE 05 to
15.
VIS : Good, but moderate to poor in showers and thundershowers in
the east at times.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 10 to 20 but N to NW 10 to 20 in the south, where it
will become variable 05 to 10 towards end of period.
VIS : Good, becoming moderate in showers in the extreme south from
mid-period.
TRADES (15S/30S, 00E/WEST COAST):
WIND : Variable 05 to 10 in the south-west, otherwise S to SE 10 to
20 reaching 30 in the south-east.
VIS : Good, but moderate in showers and thundershowers in north-
east.
SEA STATE: 3.0 to in the south-east, mainly SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : W to NW 15 to 25, reaching 30 in the south-east at
first, but variable 05 to 10 in the north-west by drifting to
the east by end of period.
VIS : Moderate to poor in showers and rain in places.
SEA STATE: 3.0 to 4.0m in the southern half, mainly SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : S to SE 15 to 25 in the north-east, otherwise W to NW 15 to
25, reaching 30 in the south-east, becoming SW 15 to 25 in the
extreme south-east from mid-period.
VIS : Good, but moderate in showers and rain in the south moving
eastwards from mid-period.
SEA STATE: 3.0 to 3.5m in the southern half, reaching 4.5 to 5.0m in the
south-east, subsiding from mid-period, mainly SW swell.
ENDS THIS IS CAPE TOWN RADIO
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