WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
29th OF OCTOBER 2026 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:
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FORECAST VALID FROM 291000 TO 301000 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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Nil.
SYNOPTIC CHART 06:00Z
=====================
High 1021 hPa 29s05e, High 1023 hPa 36s36e, High 1023 hPa 43s33e
Low 952 hPa 55s14e, Low 995 hPa 41s55e
1. Cold front: 27s06w 31s00w 39s08e 45s17e 52s24e into 55s14e.
2. Cold front: 23s48e 25s49e 29s52e 33s56e 37s58e 42s60e 41s55e.
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 05 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : SW 05 to 15 in the east, otherwise SE to E 05 to 15.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 05 to 15 in the north at first, otherwise Anticyclonic
05 to 15.
VIS : Good becoming moderate in showers and thundershowers in the
south-west from mid-period.
SEA STATE: 3.0m in the south, with SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : Anticyclonic 05 to 15 in the south-west, otherwise S to SE 15
to 25.
VIS : Good.
TRISTAN (30S/40S, 00E/20W):
WIND : W to SW 15 to 25 reaching 30 in the south until mid-period but
anticyclonic 05 to 15 in the north. It will become NW 10 to 20
in the west towards the end of the period.
VIS : Good but moderate in showers and rain in places towards mid-
period.
SEA STATE: 3.5 to 4.5m except in the north, reaching 5.0 to 5.5m in the
south until mid-period, with W to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : W to NW 15 to 25 in the west and central until mid-period,
otherwise anticyclonic 05 to 15 but S to SE 15 to 25 in the
north-east.
VIS : Moderate in showers and rain in the north-west across the
central to the south-central at first, otherwise good.
SEA STATE: 3.0 to 4.0m except in the central, north and east, with W to
SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : S to SE 15 to 25 in the east otherwise Anticyclonic 05 to 15
but NE to E 15 to 25 in the north-west. It will become NW 15
to 25 in the north-west towards mid-period.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the west, spreading the central towards mid-
period, with S to SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : E to NE 05 to 15 in the south-west reaching 20 to 25 in the
extreme south-west, otherwise S to SE 15 to 25.
VIS : Good but moderate to poor in showers and thundershowers in the
east.
SEA STATE: 3.0 to 3.5m in the extreme east and south-west towards mid-
period, with E to SE swell.
MOZAMBIQUE CHANNEL:
WIND : N to NW 10 to 20 in the extreme north otherwise E to SE 10 to
20 reaching 25 in places in the central.
VIS : Good but moderate in showers and thundershowers in the
central and northern parts.
SEA STATE: 3.0m except in the extreme north, with SE swell.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to NE 10 to 20 but cyclonic 15 to 25 in the south.
VIS : Good but moderate to poor in showers and thundershowers in the
central and southern parts.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : Anticyclonic 05 to 15 until mid-period otherwise NW to W 15 to
25 reaching 30 in the south.
VIS : Good, become moderate in showers and rain in the south-west
from mid-period spreading to the south-central towards mid-
period.
SEA STATE: 3.5 to 4.5m in the west and south reaching 5.0m in the south-
west, with W to NW swell.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
26/10/29 AT 0500UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (Wind gusts may be about 40% stronger than the averages given here).
PART 1: WARNING
- Gale force 8 over WAM, CRO and KER.
PART 2: GENERAL SYNOPSIS, 26/10/29 AT 0000UTC
- High 1032 hPa near 37S/73E, expected 1034 hPa near 33S/78E at end.- Cold front (CF) axis 26S/50E, 31S/49E, 29S/54E, 40S/58E, associated with the low 998 hPa near 37S/55E moving rather quickly southeastward, expected 992 hPa near 50S/81E at end.
PART 3: FORECAST FOR 24 HOURS FROM 26/10/29 at 0600UTC to 26/10/30 at 0600UTC
WAM (30S/40S, 50E/65E)
Frontal rain, thundery showers and squalls under CF.
WIND : Northerly 6/7 locally 8 ahead CF, backing Easterly 3/5, becoming
Southerly 4/6 locally 7 over Southern by West zone. Violent gusts.
SEA : moderate to rough, but very rough associated with NE swell today,
and S swell tomorrow, 3 to 5 meters near the low over Southern.
VIS : Very poor in precipitation.
AMS (30S/40S, 65E/80E)
Scattered showers, becoming more frequent by Southwestern over night (CF).
WIND : Anticlockwise 2/4, increasing Northerly 5/6 by West zone, 6/7 over
Southwestern at the front of CF. backing Westerly 5/6 at end.
SEA : Moderate to rough from Northern to Southern, becoming very rough
over Southern at night and tomorrow by N swell becoming W swell 3
to 4 meters.
VIS : Moderate in precipitation.
CRO (40S/50S, 50E/65E)
Frontal rain, showers and squalls under CF.
WIND : clockwise 6/7 locally 8 by Northern at first, over East then.
Setting Westerly 4/6 from Northern to Southern at end. Violent
gusts.
SEA : moderate to rough, becoming very rough near the low by N swell 3
to 5 meters. Crossed sea with a very rough wind sea over the west
of the low.
VISI : Very poor in precipitation.
KER (40S/50S, 65E/80E)
Scattered showers then frontal rain, showers and squalls under CF by Western at night and tomorrow.
WIND : Westerly 4/6 at first over Southeastern, veering Northerly 5/7 by
Northwestern, bcoming clockwise 6/7 locally 8 later, decreasing
4/6, locally 7 over Nothern, at end . Violent gusts.
SEA : moderate to rough, but very rough over Southeastern by SW swell
2/4 meters abating, then arriving of a NW swell 2/4 meters over
Northwestern at end.
VIS : Very poor in precipitation.