FQZA83 FAPR 210830

WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII WEST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
21ST OF NOVEMBER 2024 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.

FORECAST VALID FROM 211000 TO 221000 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: NW 35 in the south-east until mid-period but S to SW 35 in
            the south, becoming Cyclonic 35 in the north-west towards end
            of period.

2. CAPE WEST: W to NW 35 in the south-west, drifting to the south-east by
              end of period.

SYNOPTIC CHART 06:00Z
=====================
High 1022 hPa 32s07e, High 1025 hPa 31s77e

Low   997 hPa 42s03w

1. Cold Front: 30s20w 35s10w into 42s03w

AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND     : SE to E 10 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 east.

ST HELENA (15S/30S, 00E/20W):
WIND     : N to NW 10 to 20 in the south and west, otherwise S to SE 05
           to 15, reaching 20 to 30 in the extreme south-west but NE 05
           to 10 in the north-west.
VIS      : Good, but moderate to poor in showers and thundershowers in
           the south-west.
SEA STATE: 3.0 to 3.5m in the extreme south-west, with SW to S swell.

TRADES (15S/30S, 00E/WEST COAST):
WIND     : S to SE 10 to 20, reaching 25 in the south-east, but variable
           05 to 10 in the extreme south-west.
VIS      : Good, becoming moderate in showers and thundershowers in the
           extreme north-east by mid-period.

TRISTAN (30S/40S, 00E/20W):
WIND     : NW 15 to 25, reaching 30 to 35 in the south-east until mid-
           period but S to SW 15 to 25 in the western half, reaching 30
           to 35 in the south, and SE 10 to 20 in the extreme west,
           spreading to the western half towards end of period, while
           becoming Cyclonic 25 to 35 in the north-west.
VIS      : Moderate in showers and thundershowers, except in the north-
           east.
SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.0m in the southern half, with W
           to SW swell.

CAPE WEST (30S/40S, 00E/20E):
WIND     : S to SE 10 to 20 in the north-east, reaching 25 in the extreme
           east, otherwise W to NW 10 to 20, reaching 25 to 35 in the
           south-west, drifting to the south-east by end of period. It
           will become S to SW 05 to 15 in the east and north-east by
           mid-period, reaching 20 to 25 in the south-west, spreading to
           the south by end of period.
VIS      : Good, but moderate in showers and thundershowers in the south-
           west, drifting to the south-east by end of period.
SEA STATE: 3.0m in the southern half, reaching 3.5 to 4.5m in the south-
           west, drifting to the south-east by end of period, with W to
           SW swell.