WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
12TH OF NOVEMBER 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:
=======
FORECAST VALID FROM 121000 TO 131000 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: S TO SE 35 IN THE SOUTH-EAST.
2. CAPE EAST: NW 35 IN THE SOUTH-CENTRAL PARTS BY THE END OF THE
PERIOD.
3. MARION FORTIES EAST: W TO NW 35 TO 40 IN THE SOUTH-WEST BY THE END
OF
THE PERIOD.
SYNOPTIC CHART 06:00Z
=====================
HIGH 1028 HPA 32S30W,
LOW 978 HPA 50S12E, LOW 1012 HPA 21S40E, LOW 976 HPA 52S58E,
1. COLD FRONT : 37S48E 43S59E 50S64E 56S62E INTO 52S58E.
AREA FORECAST:
==============
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 S TO SE 05 TO 15.
VIS : GOOD.
ST HELENA (15S/30S, 00E/20W):
WIND : E TO SE 05 TO 15 REACHING 20 IN THE WEST AT TIMES.
VIS : GOOD BUT MODERATE IN SHOWERS AND THUNDERSHOWERS IN THE
WEST.
TRADES (15S/30S, 00E/WEST COAST):
WIND : VARIABLE 05 TO 10 IN THE SOUTH-WEST, OTHERWISE S TO SE 10
TO
20 REACHING 30 TO 35 IN THE SOUTH-EAST.
VIS : GOOD.
SEA STATE: 3.0M IN THE SOUTH-EAST BY END OF PERIOD, WITH SE SWELL.
TRISTAN (30S/40S, 00E/20W):
WIND : ANTICYCLONIC 05 TO 15 BECOMING NW 15 TO 25 IN THE
SOUTH-WEST
FROM MID-PERIOD.
VIS : GOOD.
SEA STATE: 3.0 TO 3.5M IN THE SOUTHERN PARTS, WITH SW SWELL.
CAPE WEST (30S/40S, 00E/20E):
WIND : NW TO W 15 TO 25 IN THE SOUTH BECOMING SW 15 TO 25 FROM
MID-
PERIOD OTHERWISE S TO SE 10 TO 20 REACHING 25 IN THE
NORTH-
EAST BECOMING ANTICYCLONIC 05 TO 15 IN THE WEST TOWARDS
END OF
THE PERIOD.
VIS : GOOD BUT MODERATE IN SHOWERS AND RAIN IN THE SOUTH-EAST.
SEA STATE: 3.0 TO 4.0M IN THE SOUTH, REACHING 4.5M IN THE SOUTH-EAST
BY
END OF PERIOD, WITH W TO SW SWELL.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : SW TO W 15 TO 25 IN THE EAST UNTIL MID-PERIOD AND IN THE
EXTREME WEST FROM MID-PERIOD SPREADING TO THE WEST BY THE
END
OF THE PERIOD REACHING 30 OTHERWISE ANTICYCLONIC 05 TO 15
BUT
NW 15 TO 25 IN THE SOUTH-WEST DRIFTING TO THE CENTRAL
PARTS BY
MID-PERIOD REACHING 35 IN THE SOUTH-CENTRAL PARTS BY THE
END
OF THE PERIOD.
VIS : GOOD BUT MODERATE IN SHOWERS AND RAIN IN THE WEST FROM
MID-
PERIOD SPREADING TO THE CENTRAL PARTS BY THE END OF
PERIOD.
SEA STATE: 3.0 TO 4.0M, EXCEPT IN THE NORTH-EAST, REACHING 4.5M IN
THE
SOUTH-WEST BY END OF PERIOD, WITH SW SWELL.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : ANTICYCLONIC 05 TO 15 IN THE EAST OTHERWISE SE TO S 05 TO
15
BECOMING NE TO E 10 TO 20 IN THE WEST AND NORTH FROM MID-
PERIOD REACHING 25 IN THE EXTREME WEST BY THE END OF
PERIOD.
VIS : GOOD BUT MODERATE IN SHOWERS AND THUNDERSHOWERS IN THE
EXTREME
SOUTH-WEST TOWARDS END OF PERIOD.
MOZAMBIQUE CHANNEL:
WIND : CYCLONIC 15 TO 25 OVER THE SOUTH AND CENTRAL PARTS,
OTHERWISE
NE 05 TO 15.
VIS : GOOD BUT MODERATE IN SHOWERS AND THUNDERSHOWERS IN PLACES
OVER
THE NORTH-EAST AND CENTRAL PARTS.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : ANTICYCLONIC 05 TO 15 IN THE SOUTH OTHERWISE SE 10 TO 20.
VIS : GOOD.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : SW 15 TO 25 IN THE EXTREME EAST AT FIRST REACHING 30
OTHERWISE
W TO NW 15 TO 25 REACHING 30 IN PLACES BUT 35 TO 40 IN THE
SOUTH-WEST BY THE END OF THE PERIOD.
VIS : GOOD BUT MODERATE IN SHOWERS AND RAIN IN THE WEST FROM
MID-
PERIOD SPREADING TO THE EAST BY THE END OF PERIOD.
SEA STATE: 3.0 TO 4.0M REACHING 4.5 TO 5.5M IN THE SOUTH-EAST AT
FIRST
AND SOUTH-WEST BY END OF PERIOD, WITH SW TO W SWELL BUT NW
SWELL IN THE EXTREME WEST FROM MID-PERIOD.
AREA 2:
======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA
ACK (AMSTERDAM-CROZET-KERGUELEN)
2026/11/12 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 CRO.
PART 2: GENERAL SYNOPSIS, 26/11/12 AT 0000UTC
- COLD FRONT OVER WESTERN CRO, EXPECTED 33S/50E 50S/70E AT 18UTC,
THEN 33S/65E 40S/75E 50S/76E AT END.- RIDGE AXIS WEST-EAST OVER SOUTH
AMS, RAPIDLY MOVING EASTWARD.
PART 3: FORECAST FOR 24 HOURS FROM 26/11/12 AT 0600UTC TO 26/11/13 AT
0600UTC
WAM (30S/40S, 50E/65E)
FRONTAL RAIN, SHOWERS AND SQUALLS OVER SOUTHERN, BECOMING LESS
FREQUENT AT END. ELSEWHERE SCATTERED SHOWERS.
WIND: OVER NORTHERN : NW OR W 3 OR 4 .OVER SOUTHERN : NW 5 OR 6, AT
TIMES
7 AHEAD THE FRONT, BACKING SW 5 OR 6 BEHIND. GUSTS.
SEA : MODERATE TO ROUGH FROM NORTH TO SOUTH.
VIS : POOR WITH PRECIPITATION.
AMS (30S/40S, 65E/80E)
SCATTERED SHOWERS, THEN FRONTAL RAIN OR SHOWERS OVER SOUTHERN
LATER.
WIND: OVER NORTHERN : N 3 OR 4, INCREASING N OR NW 4 OR 5 LATER.OVER
SOUTHERN : N 4 OR 5, INCREASING NW 5 OR 6 AHEAD THE FRONT,
BACKING
SW 4 OR 5 BEHIND.
SEA : MODERATE OR ROUGH.
VIS : POOR WITH PRECIPITATION.
CRO (40S/50S, 50E/65E)
FRONTAL RAIN, SQUALLS AND SHOWERS OVER EASTERN, THEN SCATTERED
SHOWERS LATER.
WIND: NW 6 OR 7, TEMPORARILY 8 AHEAD THE FRONT, BACKING SW 5 OR 6
BEHIND,
BUT W 6 OR 7, AT TIMES 8 OVER SOUTHERN. GUSTS.
SEA : ROUGH OR VERY ROUGH, LOACLLY HIGH OVER SOUTHERN LATER. NW SWELL
3
OR 4 METERS, SOON ABATING. W SWELL 3 OR 4 METERS OVER WESTERN
AT
END.
VIS : POOR WITH PRECIPITATION.
KER (40S/50S, 65E/80E)
SCATTERED SHOWERS THEN FRONTAL RAIN AND SHOWERS.
WIND: NW 4 OR 5, INCREASING 6 OR 7 AHEAD THE FRONT, BACKING SW 6 OR 7
BEHIND.GUSTS.
SEA : ROUGH TO VERY ROUGH. W SWELL 3 TO 4 METERS, ABATING.
VIS : POOR WITH PRECIPITATION.=
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