WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
10th OF NOVEMBER 2026 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:
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FORECAST VALID FROM 102200 TO 112200 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. MARION FORTIES EAST: W to NW 35 in places in the north-east by
mid-period.
SYNOPTIC CHART 12:00Z
=====================
High 1025 hPa 26s01w, High 1032 hPa 38s66e.
Low 1009 hPa 23s41e.
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 10 to 20, but SW 05 to 10 in the north-east from mid-
period.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : SW to S 05 to 15, but SE 05 to 15 in the south-west until
mid-period.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 05 to 15 reaching 20 in the north until mid-period,
VIS : Good but moderate in showers and rain in places in the south-
west.
SEA STATE: 3.0m in the south-west at first, with W to NW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 10 to 20, reaching 25 to 30 the extreme south-east
but variable 05 to 10 in the south-west and north-east.
VIS : Good but moderate to poor in showers and thundershowers in
the extreme north-east until mid-period.
TRISTAN (30S/40S, 00E/20W):
WIND : W to NW 15 to 25 in the south-west spreading to the south-east
towards the end of the period, otherwise SW to S 05 to 15,
becoming variable 05 to 10 in the north from mid-period.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the extreme south, with W to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : W to SW 10 to 20 reaching 25 to 30 in the south-east at first.
It will become variable 05 to 10 in the north-
west towards mid-period and SE 10 to 20 in the north-east
towards the end of the period.
VIS : Good but moderate in showers and rain in the south-east until
mid-period.
SEA STATE: 3.0 to 4.0m except in the north-east reaching 4.5m in the
south-east at first subsiding from the west towards mid-
period, with W to SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : E to NE 05 to 15 in the north-east at first, otherwise NW to N
10 to 20 reaching 25 to 30 in the south. It will become SW to
S 10 to 20 in the south-west towards mid-period.
VIS : Good but moderate in showers and rain in the south-west
spreading to the south-east from mid-period.
SEA STATE: 3.0 to 4.0m in the south reaching 4.5m in the south-west at
first spreading to the north-west from mid-period, with S to
SW swell but NW swell in the south-east.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : NE 15 to 25 in the extreme south-west and north-east,
otherwise E to SE 15 to 25. It will become variable 05 to 10
in the south from mid-period.
VIS : Good but moderate in showers and rain in places in the central
and eastern parts clearing by mid-period.
SEA STATE: 3.0 to 3.5m subsiding towards mid-period, with S to SE swell,
but NE in the extreme south-west.
MOZAMBIQUE CHANNEL:
WIND : Variable 05 to 10 in the north, otherwise S to SE 10 to 20 but
NE 05 to 15 in the south-east.
VIS : Good but moderate to poor in showers and thundershowers.
SEA STATE: 3.0 to 4.0m except in the north-east subsiding towards the end
of the period, with S to SE swell.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : SE to E 05 to 10 in the north, otherwise NE 05 to 15.
VIS : Good but moderate in showers and rain in places.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : W to NW 20 to 30, reaching 35 in places in the north-east by
mid-period, becoming SW 15 to 25 in the extreme west towards
mid-period spreading to the east towards the end of the
period while reaching 30 in the south-west.
VIS : Good but moderate to poor in showers and rain clearing from
the west from mid-period.
SEA STATE: 3.0 to 4.0m, reaching 4.5m in the extreme north-east
from mid-period, 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)
2026/11/10 AT 0400UTC
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, 26/11/10 AT 0000UTC
- Low 975 hPa near 57S/49E with cold front CF associated and axis 47S/36E, 48S/41E, 51S/52E, 54S/55E rapidly moving Eastward.- High 1032 hPa near 37S/52E.
PART 3: FORECAST FOR 24 HOURS FROM 26/11/10 at 0600UTC to 26/11/11 at 0600UTC
WAM (30S/40S, 50E/65E)
Showers over northern area.
WIND: E to SE 5 or 6 over northern area becoming anticlockwise 2 to 4.
SEA: rough, locally very rough over southern area , becoming moderate
to rough. SW swell 3 to 4 meters, abating.
VIS: poor with precipitation;
AMS (30S/40S, 65E/80E)
Showers over northern area.
WIND: Over northern area : E 5 to 6, decreasing 5 later, but variable 2
to 4 over northeastern. Over southern area : Becoming anticlockwise
2 to 4;
SEA: Becoming rough to very rough. SW swell 3 or 4 meters.
VIS: poor with precipitation.
CRO (40S/50S, 50E/65E)
Scattered showers then frontal rain and showers under CF by Western area.
WIND: W then NW 5 to 7. Gusts.
SEA: Moderate to rough locally very rough. SW swell 3 to 5 meters
abating.
VIS: poor with precipitation.
KER (40S/50S, 65E/80E)
Scattered showers then frontal rain and showers under CF by Southern area at end.
WIND: W to NW 6 to 7 ahead CF. Gusts.
SEA: Rough to very rough. SW swell 4 to 5 meters.
VIS: poor with precipitation.