WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
11TH OF NOVEMBER 2026 AT 16:20 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 112200 TO 122200 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 AT FIRST.
2. CAPE EAST: N TO NW 35 IN THE SOUTH-EAST AT FIRST.
3. MARION FORTIES EAST: W TO SW 35 IN PLACES IN THE SOUTHERN HALF
MODERATING IN THE SOUTH-WEST FROM THE MORNING, AS WELL
AS
IN THE SOUTH AND SOUTH-EAST BY THE END OF THE PERIOD.
SYNOPTIC CHART 12:00Z
=====================
HIGH 1032 HPA 32S35W, HIGH 1030 HPA 37S78E.
LOW 985 HPA 50S45E, LOW 1013 HPA 21S40E
1. COLD FRONT : 37S22E 39S33E 43S44E 46S47E INTO 50S45E
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 BUT MODERATE IN SHOWERS AND THUNDERSHOWERS OVER THE
EXTREME SOUTH-EAST AND NORTH-EAST UNTIL MID-PERIOD.
ST HELENA (15S/30S, 00E/20W):
WIND : S TO SE 05 TO 15 REACHING 20 IN THE EAST 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 AND NORTH-EAST,
OTHERWISE
S TO SE 10 TO 20 REACHING 30 TO 35 IN THE SOUTH-EAST AT
FIRST.
VIS : GOOD.
SEA STATE: 3.0M IN THE SOUTH-EAST AT FIRST, WITH S TO SE SWELL.
TRISTAN (30S/40S, 00E/20W):
WIND : ANTI-CYCLONIC 05 TO 15 IN THE NORTHERN HALF, OTHERWISE W
TO NW
10 TO 20, REACHING 25 TO 30 IN THE SOUTH-EAST DURING THE
FIRST
HALF OF THE PERIOD.
VIS : GOOD.
SEA STATE: 3.0 TO 4.0M IN THE SOUTHERN PARTS, WITH W TO SW
SWELL.
CAPE WEST (30S/40S, 00E/20E):
WIND : VARIABLE 05 TO 10 IN THE CENTRAL, WEST AND NORTH-WEST, BUT
S
TO SE 15 TO 25 IN THE NORTH-EAST, OTHERWISE W TO NW 15 TO
25,
REACHING 30 IN THE SOUTH-WEST, SPREADING TO THE SOUTH-EAST
TOWARDS MID-PERIOD WHILE MODERATING IN THE
SOUTH-WEST.
VIS : GOOD.
SEA STATE: 3.0 TO 4.0M IN THE SOUTHERN PARTS, REACHING 4.5M IN THE
CENTRAL SOUTH FROM MID-PERIOD, WITH W TO SW SWELL.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : N TO NW 15 TO 25 IN THE EAST REACHING 30 TO 35
IN THE SOUTH-
EAST AT FIRST, OTHERWISE S TO SW 05 TO 15 REACHING 20 TO
25 IN
PLACES IN THE SOUTH AND SOUTH-WEST AT FIRST, SPREADING TO
THE
EAST FROM MID-PERIOD. IT WILL BECOME W TO NW 20 TO 30 IN
THE
SOUTH-WEST FROM THE AFTERNOON.
VIS : GOOD BUT MODERATE IN SHOWERS AND RAIN IN THE
EAST AND SOUTH-
EAST DURING THE FIRST HALF OF THE PERIOD.
SEA STATE: 3.0 TO 4.0M IN THE WEST AND SOUTHERN HALF, WITH
SW SWELL.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : N TO NE 05 TO 15 IN THE EAST AND NORTHERN PARTS, REACHING
25
IN THE NORTH AT FIRST, OTHERWISE VARIABLE 05 TO 10.
VIS : GOOD.
MOZAMBIQUE CHANNEL:
WIND : CYCLONIC 15 TO 25 OVER THE CENTRAL PARTS,
OTHERWISE E TO SE 05
TO 15.
VIS : GOOD BUT MODERATE IN SHOWERS AND THUNDERSHOWERS
IN PLACES OVER
THE CENTRAL PARTS.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E TO NE 05 TO 15 IN THE SOUTH, REACHING 20 IN
THE EXTREME
SOUTH-WEST AT TIMES, OTHERWISE S TO SE 05 TO 15.
VIS : GOOD.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : W TO SW 20 TO 30 REACHING 35 IN PLACES IN THE
SOUTHERN HALF
MODERATING IN THE SOUTH-WEST FROM THE MORNING, AS WELL AS
IN
THE SOUTH AND SOUTH-EAST BY THE END OF THE PERIOD.
VIS : GOOD BUT MODERATE TO POOR IN SHOWERS AND RAIN
IN THE NORTH-
EAST AT FIRST.
SEA STATE: 3.0 TO 4.0M, REACHING 4.5 TO 5.0M IN THE
NORTH-EAST AT FIRST
AS WELL AS SOUTHERN HALF FROM THE MORNING, SUBSIDING IN
THE
SOUTH-WEST FROM THE AFTERNOON, WITH NW SWELL IN THE NORTH-
EAST, OTHERWISE W TO SW.
AREA 2:
======
MARINE METEOROLOGICAL BULLETIN FROM
METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
26/11/11 AT 1500UTC
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, 26/11/11 AT 1200UTC
- LOW 985 HPA NEAR 50S/44E WITH COLD FRONT CF ASSOCIATED AND AXIS
38S/28E, 39S/35E, 42S/40E, 47S/44E MOVING QUICKLY EASTWARD. - HIGH
1031 HPA NEAR 37S/85E MOVING QUICKLY EASTWARD.
PART 3: FORECAST FOR 24 HOURS FROM 26/11/11 AT 1800UTC TO 26/11/12
AT 1800UTC
WAM (30S/40S, 50E/65E)
SCATTERED SHOWERS THEN FRONTAL RAIN, SHOWERS AND SQUALLS UNDER CF
OVER SOUTHERN AREA.
WIND : BECOMING NW 5 TO 7 BY WESTERN AREA AHEAD CF.
SEA : MODERATE BECOMING ROUGH. W SWELL 2 TO 3 METERS OVER
SOUTHERN
AREA.
VISI : POOR WITH PRECIPITATION.
AMS (30S/40S, 65E/80E)
SCATTERED SHOWERS OR RAIN.
WIND : ANTICLOCKWISE 2 TO 4 BECOMING N 4 TO 5 BY WESTERN AREA.
SEA : MODERATE TO ROUGH. SW SWELL 2 TO 3 METERS ABATING.
VISI : POOR WITH PRECIPITATION.
CRO (40S/50S, 50E/65E)
FRONTAL RAIN, SQUALLS AND SHOWERS UNDER CF.
WIND : NW 5 TO 7, TEMPORARY 8 AHEAD CF BACKING W 5 TO 7
BEHIND. GUSTS.
SEA : MODERATE TO ROUGH LOCALLY VERY ROUGH. W TO NW SWELL 2 TO 4
METERS.
VISI : POOR WITH PRECIPITATION.
KER (40S/50S, 65E/80E)
SCATTERED SHOWERS THEN FRONTAL RAIN AND SHOWERS UNDER CF BY WESTERN
AREA.
WIND : W 4 TO 5 THEN NW 6 TO 7 BY WESTERN AREA AHEAD CF.
SEA : ROUGH TO VERY ROUGH. W SWELL 3 TO 4 METERS.
VISI : POOR WITH PRECIPITATION. =