WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
31st OF OCTOBER 2026 AT 17:00 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 312200 TO 012200 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 : cyclonic 35 in the extreme north-west by mid-period.
2. MARION FORTIES EAST: W to NW 35 in the south-west towards the end of
the period.
SYNOPTIC CHART 12:00Z
=====================
High 1024 hPa 33s03e, High 1026 hPa 36s43e
Low 1012 hPa 38s27w, Low 1014 28s52e
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 05 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : Variable 05 to 10 in the north, otherwise S to SW 05 to 15.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 05 to 15.
VIS : Good but moderate in showers and rain in the south but poor in
thundershowers in the south-west by mid-period.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 15 to 25, but NW 05 to 15 in the south-west.
VIS : Good.
SEA STATE: 3.0m in the south-east until mid-period.
TRISTAN (30S/40S, 00E/20W):
WIND : Variable 05 to 10 in the south-east, otherwise N to NW 05 to
15, but cyclonic 10 to 20 in the west, reaching 25 to 35 in
the extreme north-west by mid-period.
VIS : Good but moderate in showers and rain in the western half and
the north-east.
CAPE WEST (30S/40S, 00E/20E):
WIND : Variable 05 to 10 in the west, otherwise S to SW 15 to 25,
becoming NE to N 05 to 10 in the extreme north-west.
VIS : Good but moderate in rain showers in the north-west.
SEA STATE: 3.0 to 3.5m subsiding from mid-period, with W to SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : Variable 05 to 10 in the north-east, otherwise N to NW 15 to
25 reaching 30 in the south-east at times, but SW to S 10 to
20 in the south-west.
VIS : Good but moderate in showers and rain in the west spreading to
the south-eastern parts.
SEA STATE: 3.0m in places in the south, with SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : Variable 05 to 10 over the central parts, otherwise S to SW 10
to 15, reaching 20 to 25 over the south-west until mid-period.
VIS : Good but moderate to poor in showers and thundershowers in the
south-west towards mid-period.
SEA STATE: 3.0 to 3.5m in the extreme south-east at first, with SE swell.
MOZAMBIQUE CHANNEL:
WIND : S to SE 10 to 20 but variable 05 to 10 over the central and
north-eastern parts.
VIS : Good.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : Variable 05 to 10 in the south, otherwise NW 05 to 15.
VIS : Good but moderate to poor in showers and thundershowers in the
south-eastern parts.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : W to NW 15 to 25, reaching 30 to 35 in the south-west towards
the end of the period.
VIS : Good, but moderate in showers and rain in the north-east,
clearing by the end of the period.
SEA STATE: 3.0 to 4.0m, in the south, with W to SW swell.
AREA 2:
======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK(AMSTERDAM-CROZET-KERGUELEN)
26/10/31 AT 1600UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (Wind gusts may be about 40% stronger than the averages given here).
PART 1: WARNING
- Nil.
PART 2: GENERAL SYNOPSIS, 26/10/31 AT 1200UTC
- Low 1012 near 29S/52E, slow-moving.
- High pressure over AMS.
PART 3: FORECAST FOR 24 HOURS FROM 26/10/31 at 1800UTC\to 26/11/01 at 1800UTC
WAM (30S/40S, 50E/65E)
Rain, showers and squalls.
WIND : Clockwise 4/6 over far northwestern and Northeasterly 3/5
elsewhere.
SEA : moderate to rough.
VIS : very poor in precipitation.
AMS (30S/40S, 65E/80E)
Scattered showers and squalls.
WIND : variable 2/4.
SEA : moderate locally rough over far southern.
VIS : poor or very poor in precipitation.
CRO (40S/50S, 50E/65E)
Rain or showers.
WIND : Westerly 4/6 locally 7 over far southern at first.
SEA : rough to very rough from north to south. SW swell 3 to 5 m
locally 6 m over far southern.
VIS : poor in precipitation.
KER (40S/50S, 65E/80E)
WIND : Westerly 4/6 locally 7 over far southern.
SEA : rough to very rough, locally high over far southern. SW swell
3 to 5 m locally 5 to 6 m over far southern.
VIS : good or moderate.