AOR-E
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE 28th OF AUGUST 2024 AT 13:30 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 282200 TO 292200 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. TRADES : E to SE 35 in the south-east.
2. TRISTAN : N to NW 35 in the central parts at first, spreading to the
south-east towards mid-period.
SYNOPTIC CHART 12:00Z
=====================
High 1036 hPa 37s00e High 1036 hPa 34s68e.
Low 1004 hPa 40s35e Low 976 hPa 49s41e
1. Cold front: 38s38e 43s46e 48s48e into 49s41e (976 hPa) 2. Cold front: 33s28e 38s34e into 40s35e (1004 hPa)
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 10 to 20.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : W to SW 05 to 15 in the east at first, otherwise S to SE 10 to
20.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the south, with S to SW swell.
ST HELENA (15S/30S, 00E/20W):
WIND : E to NE 10 to 20, but W to NW 15 to 25 in the south-west
becoming SW 10 to 20 by mid-period.
VIS : Good, but moderate in showers and rain in the south-west
spreading to the south by the end of the period, while
clearing in the south-west from mid-period.
SEA STATE: 3.0 to 3.5m in the east, becoming 3.0m in the south-west
towards the end of the period, with SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : E to SE 15 to 25 reaching 30 to 35 in the south-east.
VIS : Good.
SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.5 in the east, with S to SW
swell, but SE at times in the east.
TRISTAN (30S/40S, 00E/20W):
WIND : N to NW 15 to 25 reaching 30 to 35 in the central parts at
first spreading to the south-east towards mid-period. It will
become W to SW 20 to 30 in the west by mid-period.
