METAREA 7 bulletinset


HIGH SEAS FORECAST
FQZA31 FAPR 101330

WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.

ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE

10TH OF SEPTEMBER 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. ST HELENA: CYCLONIC 35 IN THE SOUTH-EAST FROM MID-PERIOD.

2. CAPE EAST: CYCLONIC 35 IN THE SOUTH-EAST.

3. MARION FORTIES EAST : NW 35 IN PLACES IN THE SOUTH BUT CYCLONIC 35

IN

THE NORTH-EAST BY THE END OF THE PERIOD.

SYNOPTIC CHART 12:00Z

=====================

HIGH 1024 HPA 32S20W, HIGH 1028 HPA 29S51E,

LOW 968 HPA 60S05E,

1. COLD FRONT: 43S14E 53S23E 60S23E 66S11E INTO 60S05E.

AREA FORECAST:

==============

ASCENSION (06S/15S, 00E/20W):

WIND : SE TO E 10 TO 20.

VIS : GOOD.

ANGOLA (06S/15S, 00E/00N):

WIND : S TO SE 05 TO 15, BUT SW 05 TO 10 IN THE EAST.

VIS : GOOD.

ST HELENA (15S/30S, 00E/20W):

WIND : VARIABLE 05 TO 10 IN THE NORTH-EAST, OTHERWISE SE TO

E 15 TO 25 BUT CYCLONIC 20 TO 30 IN THE SOUTH-EAST

REACHING 35

FROM MID-PERIOD.

VIS : GOOD BUT MODERATE TO POOR IN SHOWERS AND THUNDERSHOWERS IN

THE SOUTH-EAST.

SEA STATE: 3.0 TO 4.0M, EXCEPT IN THE NORTH, REACHING 4.5 TO 5.0M IN

THE

SOUTH-EAST, WITH SE SWELL.

TRADES (15S/30S, 00E/WEST COAST):

WIND : S TO SE 15 TO 25 REACHING 30, BUT VARIABLE 05 TO 10 IN THE

NORTH-WEST.

VIS : GOOD BUT MODERATE IN SHOWERS AND THUNDERSHOWERS IN THE

SOUTH

TOWARDS THE END OF THE PERIOD.

SEA STATE: 3.0 TO 3.5M IN THE SOUTH, WITH SE TO S SWELL.

TRISTAN (30S/40S, 00E/20W):

WIND : ANTICYCLONIC 05 TO 15, BUT S TO SE 20 TO 30 IN THE

NORTH-EAST.

VIS : GOOD BUT MODERATE IN SHOWERS AND THUNDERSHOWERS IN THE

NORTH-

WEST.

SEA STATE: 3.0 TO 4.0M IN THE EAST REACHING 4.5 TO 5.0M IN THE NORTH-

EAST, WITH S TO SW SWELL BUT SE SWELL IN THE NORTH-EAST.

CAPE WEST (30S/40S, 00E/20E):

WIND : ANTICYCLONIC 05 TO 15 IN THE SOUTH, OTHERWISE S TO SE 10

TO 20

REACHING 25 TO 30 IN THE NORTH.

VIS : GOOD BUT MODERATE IN SHOWERS AND THUNDERSHOWERS IN THE

NORTH

BY THE END OF THE PERIOD.

SEA STATE: 3.0 TO 4.0M, WITH SW SWELL BUT SE SWELL IN THE NORTH.

CAPE EAST (32.5S/40S, 20E/50E):

WIND : CYCLONIC 15 TO 25 REACHING 30 TO 35 IN THE SOUTH-EAST BUT

SE

10 TO 20 IN THE WEST, BECOMING ANTICYCLONIC 05 TO 10 IN

THE

SOUTH-WEST FROM MID-PERIOD.

VIS : MODERATE TO POOR IN SHOWERS AND THUNDERSHOWERS IN THE

SOUTH-

EAST BUT IN RAIN IN PLACES IN THE WEST, OTHERWISE GOOD.

SEA STATE: 3.0 TO 4.0M, EXCEPT IN THE NORTH-EAST AT FIRST, REACHING

4.5

TO 5.0M IN THE SOUTH-EAST, WITH SW TO W SWELL.

DURBAN EAST (32.5S/25S, EAST COAST/55E):

WIND : SW 10 TO 20 IN THE EXTREME WEST AT FIRST, OTHERWISE

ANTICYCLONIC 05 TO 15 BUT NE 15 TO 25 IN THE NORTH-EAST.

VIS : GOOD BUT MODERATE IN RAIN AND SHOWERS IN THE NORTH-EAST

UNTIL

MID-PERIOD.

MOZAMBIQUE CHANNEL:

WIND : S TO SE 05 TO 15.

VIS : GOOD.

MADAGASCAR EAST (10S/25S, EAST COAST/55E):

WIND : E TO SE 15 TO 25 IN THE NORTH REACHING 30 IN THE EXTREME

NORTH-WEST BUT NE 10 TO 20 IN THE SOUTH.

VIS : MODERATE IN SHOWERS AND RAIN IN PLACES.

SEA STATE: 3.0 TO 4.0M IN THE NORTH, WITH E TO SE SWELL.

MARION FORTIES EAST (40S/50S, 35E/50E):

WIND : W TO SW 20 TO 30 IN THE SOUTH-EAST AT FIRST, OTHERWISE NW

15

TO 25 REACHING 30 TO 35 IN PLACES IN THE SOUTH BUT

CYCLONIC 20

TO 30 IN THE NORTH REACHING 35 IN THE NORTH-EAST BY THE

END OF

THE PERIOD.

VIS : MODERATE IN SHOWERS AND THUNDERSHOWERS IN THE NORTH AND

SOUTH-

WEST SPREADING TO THE SOUTH-EAST FROM MID-PERIOD.

SEA STATE: 3.0 TO 4.0M IN THE EXTREME NORTH OTHERWISE 4.5 TO 5.5M,

REACHING 6.5 TO 7.5M IN PLACES BUT 8.0 TO 8.5M IN THE

SOUTH-

EAST AT FIRST, WITH W TO SW SWELL.

AREA 2:

=======

MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA

ACK (AMSTERDAM-CROZET-KERGUELEN)

2026/09/10 AT 0400UTC

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 AND KER.

PART 2: GENERAL SYNOPSIS, 26/09/10 AT 0000UTC

- WAVING COLD FRONT CF OVER CRO AND KER AREA, AXIS 40S/32E, 43S/45E,

46S/58E, 51S/63E AND MOVING EASTWARD 20/25KT.- HIGH 1034 HPA NEAR

32S/52E.

PART 3: FORECAST FOR 24 HOURS FROM 26/09/10 AT 0600UTC TO 26/09/11 AT

0600UTC

WAM (30S/40S, 50E/65E)

SCATTERED SHOWERS BUT FRONTAL RAIN AND SHOWERS UNDER CF ET END BY

SOUTHERN AREA.

WIND: ANTICLOCKWISE 3 TO 4 AT TIMES 5 OVER NORTHERN AREA, BUT W 5 TO

6

WITH GUSTS OVER SOUTHERN AREA.

SEA : ROUGH TO VERY ROUGH BUT MODERATE OVER NORTH-WESTERN AREA. LONG

SOUTH-WESTERLY SWELL 3 TO 5M.

VIS : MAINLY GOOD.

AMS (30S/40S, 65E/80E)

SCATTERED SHOWERS.

WIND: W TO SW 5 TO 6, INCREASING LOCALLY 7 OVER SOUTHERN AREA.

SEA : ROUGH TO VERY ROUGH LOCALLY HIGH OVER SOUTHERN AREA BY LONG SW

SWELL 4 TO 5 METERS.

VIS : GOOD.

CRO (40S/50S, 50E/65E)

FRONTAL RAIN, SHOWERS AND SQUALLS UNDER CF.

WIND: WESTERLY 6 TO 7, LOCALLY 8 OVER SOUTHERN. SEVERE GUSTS.

SEA : ROUGH TO VERY ROUGH LOCALLY HIGH. LONG SW SWELL 4 TO 6 METERS.

VIS : VERY POOR IN PRECIPITATION.

KER (40S/50S, 65E/80E)

FRONTAL RAIN, SHOWERS AND SQUALLS UNDER CF.

WIND : WESTERLY TO SOUTH-WEST 7 TO 8. SEVERE GUSTS.

SEA : ROUGH TO VERY ROUGH LOCALLY HIGH. LONG WESTERLY TO SOUTH-WEST

SWELL 4 TO 6 METERS.

VIS : POOR OR VERY POOR IN PRECIPITATION.

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