AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 12th OF JULY 2024 AT 18:20 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 122200 TO 132200 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. TRISTAN: N to NE 35 to 40 in the south-west spreading towards the east
by the end of the period, but S to SW 35 in the extreme west spreading
towards central parts by the end of the period.
2. CAPE WEST: S to SW 35 over the central parts spreading towards the
east by the end of the period.
SYNOPTIC CHART 12:00Z
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High 1030 hPa 36s09w.
Low 1010 hPa 35s10e Low 1004 hPa 39s23e Low 1004 hPa 43s29e.
1. Cold Front: 28s07e 32s12e into 35s10e.
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 15 to 25.
VIS : Moderate in showers in places.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 10 to 20, reaching 25 in the south-east.
VIS : Good.
SEA STATE: 3.0m in the extreme south-east, SW swell.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 15 to 25 in the north, otherwise S to SW 10 to 20 but
W to SW 15 to 25 in the south-west spreading towards the
south-east by the end of the period.
VIS : Good in the north-east, otherwise moderate showers and rain.
SEA STATE: 3.0m in the extreme south, SE swell in the south-east
otherwise SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 15 to 25, but W to SW 10 to 20 in the south-east,
becoming N to NW 15 to 25 in the south-west towards the end
of the period.
VIS : Good, but moderate in showers in the south in the first half
of the period.
SEA STATE: 3.0 to 4.0m in the south, reaching 5.0 to 6.0m in the extreme
south-east at first, SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : Variable 05 to 10 in the east, otherwise N to NE 15 to 25
reaching 35 to 40 in the south-west spreading towards the east
by the end of the period, but S to SW 25 to 35 in the extreme
west spreading towards central parts by the end of the period.
VIS : Good, but moderate to poor in showers and rain in the extreme
west spreading towards the east by the end of the period.
SEA STATE: 3.0 to 4.0m in the south-west spreading towards the east while
it reaches 5.0 to 6.0m in the south but 7.0 to 8.0m over the
central parts, S to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : N to NW 15 to 25 in the east, otherwise S to SW 10 to 20
reaching 30 to 35 over the central parts spreading towards the
east by the end of the period while it becomes N to NE 20 to
30 in the extreme west.
VIS : Good, but moderate in showers and rain in the east.
SEA STATE: 3.0 to 3.5m in the east, SW swell.
ENDS THIS IS CAPE TOWN RADIO
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