NL BURUM LES 13-JAN-2025 10:33:21 748152
AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII, WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
13TH OF JANUARY 2025 AT 08:30 UTC.
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 131000 TO 141000 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 WEST: SW to S 35 in the south-east in the second half of the period.
SYNOPTIC CHART 06:00Z
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High 1020 hPa 30s08w
High 1020 hPa 37s29e
Low 970 hPa 55s11e
1. Cold Front: 37s15w 39s10w 41s05w 42s00e 44s05e 47s10e 48s15e 50s20e 53s20e into 55s11e
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 05 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 05 to 15 but SW to W 05 to 10 in the east.
VIS : Good, but moderate in showers and thundershowers in the extreme east at times.
ST HELENA (15S/30S, 00E/20W):
WIND : NE 05 to 15 in the west, otherwise E to SE 05 to 15.
VIS : Good, but moderate in showers and rain in places in the west and south spreading to the central parts by the end of the period.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 10 to 20, reaching 25 in the south-east at times.
VIS : Good.
TRISTAN (30S/40S, 00E/20W):
WIND : Anticyclonic 05 to 15 in the north, otherwise W to NW 10 to 20, but E to SE 10 to 20 in the south.
VIS : Good, but moderate in showers and rain in places in the west and south clearing in the south-east from mid-period.
CAPE WEST (30S/40S, 00E/20E):
WIND : S to SW 10 to 20 in the north-east, otherwise NW to W 15 to 25 reaching 30 in the extreme south-east until mid-period.
It will become SW to S 15 to 25 in the west towards mid-period spreading to the south-east in the second half of the
period where it will reach 30 to 35.
VIS : Good, becoming moderate in showers and rain in the south-west spreading to the south-east from mid-period while clearing in the west.
SEA STATE: 3.0 to 4.0m in the south-east from mid-period reaching 5.0m by the end of the period, with SW swell.
ENDS THIS IS CAPE TOWN RADIO
NNNN
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