SECURITE
AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII. WEST OF 20E ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 16th OF AUGUST 2024 AT 08:30 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:
=======
FORECAST VALID FROM 161000 TO 171000 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:
====================
1. TRISTAN: W to NW 35 to 45 in the south east at first, otherwise SW 35
in the south spreading to the south east by the end of the
period.
2. CAPE WEST: N to NW 35 to 40 in the south-west, spreading to the south-
east by the end of the period.
SYNOPTIC CHART 06:00Z
=====================
High 1024 hPa 27s40e
Low 978 hPa 47s03e
Low 964 hPa 53s05w
Low 988 hPa 47s17e
Low 970 hPa 57s05e
Cold Front: 36s02w 40s04e 45s05e into 47s03e cntd. 50s02e into 53s05w Cold Front: 43s30e 50s25e into 47s17e into 57s05e
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 10 to 20.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 10 to 20, but SW 05 to 10 in the extreme east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : W to NW 15 to 25 in the extreme south, otherwise E to SE 10 to
20, but variable over the central parts.
VIS : Good.
SEA STATE: 3.0 to 4.0m in the south-west, reaching 4.5 to 5.0m in the
extreme south-west, SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : N to NW 10 to 20 in the south west, otherwise SE to S 10 to
20.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the south, SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : W to NW 15 to 25 , reaching 35 to 45 in the south east at
first, otherwise SW 10 to 20 reaching 25 to 35 in the south
spreading to the south east by the end of the period.
VIS : Good, but moderate to poor in showers and rain south.
SEA STATE: 3.0 to 4.0 in the north-east, otherwise 5.0 to 6.0m, but 7.0
to 8.0m in the south, reaching 8.5m in the south at first,
W to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : SE 10 to 15 in the extreme north-east at first, otherwise N
to NW 15 to 25, reaching 35 to 40 in the south-west, spreading
to the south-east by the end of the period.
VIS : Good, but moderate in showers and rain in places in the south-
west, spreading to the south-east.
SEA STATE: 3.0 to 4.0m, except in the north-west, but 5.0 to 6.0m in
places in the south, reaching 6.5 to 7.0m in the extreme
south-west, W to SW swell.
ENDS THIS IS CAPETOWNRADIO
NNNN
