METAREA 7 bulletinset


HIGH SEAS FORECAST
FQZA31 FAPR 220830

WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.

ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE

22ND OF SEPTEMBER 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:

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FORECAST VALID FROM 221000 TO 231000 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. CAPE EAST: CYCLONIC 35 TO 40 IN THE EAST AND NORTH-EAST AT TIMES

UNTIL

MID-PERIOD.

2. MARION FORTIES EAST: NW TO W 35 IN THE SOUTH-WEST, SPREADING TO

THE

SOUTHERN PARTS FROM MID-PERIOD BECOMING SW 35

IN THE SOUTH-WEST DURING THE SECOND HALF OF

THE

PERIOD.

SYNOPTIC CHART 06:00Z

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

HIGH 1028 HPA 34S13W, HIGH 1032 HPA 43S44E, HIGH 1028 HPA 31S63E

LOW 1012 HPA 33S16E, LOW 1015 35S44E

AREA FORECAST:

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

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

WIND : E TO SE 10 TO 20.

VIS : GOOD.

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

WIND : S TO SE 05 TO 15.

VIS : GOOD.

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

WIND : E TO SE 10 TO 20.

VIS : GOOD BUT MODERATE IN RAIN IN THE SOUTH-EAST AND EAST.

SEA STATE: 3.0 IN THE SOUTH-EAST FROM THE SECOND HALF OF THE PERIOD,

WITH

SE SWELL.

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

WIND : SE TO E 10 TO 20, BUT NW 05 TO 15 IN THE SOUTH-EAST.

VIS : GOOD BUT MODERATE IN RAIN IN THE WEST AND SOUTH-WEST.

SEA STATE: 3.0 IN THE SOUTH-WEST FROM THE SECOND HALF OF THE PERIOD,

WITH

SE SWELL.

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

WIND : ANTI-CYCLONIC 05 TO 15, BUT SE 10 TO 20 IN THE NORTH-EAST

AND

NW 15 TO 25 IN THE SOUTH-WEST AND WEST, REACHING 30 FROM

MID-

PERIOD.

VIS : GOOD, BECOMING MODERATE TO POOR IN SHOWERS AND

THUNDERSHOWERS

IN THE SOUTH-WEST FROM MID-PERIOD.

SEA STATE: 3.0 TO 4.0M IN THE SOUTH-WEST FROM MID-PERIOD, WITH W TO

SW

SWELL.

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

WIND : W TO NW 05 TO 15 IN THE NORTH-EAST, BUT SW 05 TO 15 IN THE

SOUTH-WEST UNTIL MID-PERIOD, OTHERWISE SE TO S 15 TO 25.

VIS : GOOD, BUT MODERATE IN SHOWERS AND THUNDERSHOWERS IN PLACES

IN

THE NORTH-EAST AND EAST.

SEA STATE: 3.0 M IN THE NORTH-WEST FROM MID-PERIOD, WITH W TO SW

SWELL.

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

WIND : SE TO E 05 TO 15, BUT CYCLONIC 20 TO 30 IN THE EAST AND

NORTH-

EAST, REACHING 35 TO 40 AT TIMES UNTIL MID-PERIOD, BUT NE

15

TO 25 IN THE WEST. IT WILL BECOME SE 15 TO 25 IN THE

SOUTH-

WEST FROM THE SECOND HALF OF THE PERIOD.

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

PLACES IN THE EASTERN PARTS, NORTH-WEST AND SOUTH.

SEA STATE: 3.0 TO 4.0M IN THE CENTRAL AND EASTERN PARTS, REACHING

5.0M

IN THE EAST AND SOUTH-EAST FOR THE FIRST HALF OF THE

PERIOD,

WITH SW SWELL.

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

WIND : E TO NE 15 TO 25 IN THE EAST AND SOUTH-WEST, BUT SW 05 TO

15

IN THE CENTRAL PARTS, OTHERWISE VARIABLE 05 TO 15.

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

THE EASTERN PARTS.

SEA STATE: 3.0 TO 4.0M IN THE CENTRAL AND SOUTHERN PARTS, SPREADING

TO

THE EASTERN PARTS FROM MID-PERIOD WITH S TO SE SWELL.

MOZAMBIQUE CHANNEL:

WIND : S TO SE 05 TO 15 BUT VARIABLE 05 TO 15 IN THE NORTH.

VIS : GOOD.

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

WIND : N TO NE 05 TO 15 IN THE SOUTH, OTHERWISE E TO SE 10 TO 20.

VIS : GOOD, BECOMING MODERATE IN SHOWERS AND THUNDERSHOWERS IN

THE

SOUTH FROM THE SECOND HALF OF THE PERIOD.

SEA STATE: 3.0 IN THE SOUTHERN PARTS FROM THE SECOND HALF OF THE

PERIOD,

WITH S TO SE SWELL.

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

WIND : NW TO W 15 TO 25, REACHING 30 TO 35 IN THE SOUTH-WEST,

SPREADING TO THE SOUTHERN PARTS FROM MID-PERIOD BECOMING

SW 25

TO 35 IN THE SOUTH-WEST DURING THE SECOND HALF OF THE

PERIOD.

VIS : GOOD BUT MODERATE IN SHOWERS AND RAIN IN THE SOUTH AND

WEST

FROM MD-PERIOD, BUT IN SNOW-SHOWERS OVER THE SOUTH-WEST

DURING

THE SECOND HALF OF THE PERIOD.

SEA STATE: 3.0 TO 4.0M REACHING 5.0 TO 6.0M IN THE IN THE SOUTHERN

PARTS,

WITH W TO SW SWELL.

AREA 2:

======

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

ACK (AMSTERDAM-CROZET-KERGUELEN)

26/09/22 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 AND KER.

PART 2: GENERAL SYNOPSIS, 26/09/22 AT 0000UTC

- DISTURBED FRESH OR STRONG WESTERLY FLOW OVER SOUTHERN PART OF

BASIN.- COLD FRONT CF AXIS 38S/71S, 43S/80E, 50S/86E MOVING

EASTWARD.- COLD FRONT CG AXIS 33S/38E, 34S/40E, 37S/44E.- HIGH 1029

HPA NEAR 31S/69E.- HIGH 1031 HPA NEAR 43S/42E.

PART 3: FORECAST FOR 24 HOURS FROM 26/09/22 AT 0600UTC TO 26/09/23 AT

0600UTC

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

RAIN OVER SOUTHERN AREA THEN FRONTAL RAIN, SHOWERS AND SQUALLS UNDER

CG BY WESTERN AREA.

WIND : ANTICLOCKWISE 2 TO 4 INCREASING NE 5/6 OVER WESTERN AREA

AHEAD

CG. GUSTS UNDER SQUALLS.

SEA : ROUGH TO VERY ROUGH BUT HIGH OVER SOUTHERN AREA. LONG SW

SWELL 4

TO 6 METERS.

VIS : POOR TO VERY POOR IN PRECIPITATION.

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

FRONTAL RAIN AND SHOWERS UNDER CF OVER SOUTHERN AREA THEN SCATTERED

SHOWERS.

WIND : ANTICLOCKWISE 3 TO 5.

SEA : BECOMING ROUGH TO VERY ROUGH BUT HIGH

OVER SOUTHERN AREA. SW SWELL 5 TO 7 METERS OVER SOUTHERN

AREA.

VIS : POOR IN PRECIPITATION.

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

SCATTERED SNOW SHOWERS.

WIND : W OR NW 6 TO 7, LOCALLY 8 OVER SOUTHERN AREA BUT

ANTICLOCKWISE 3

TO 5 OVER NORTHERN AREA. GUSTS.

SEA : VERY ROUGH TO HIGH. LONG SW SWELL 5 TO 7 METERS.

VIS : POOR IN

PRECIPITATION.

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

SNOW SHOWERS BEHIND CF.

WIND : W TO SW 6 OR 7, LOCALLY 8. GUSTS.

SEA : VERY ROUGH TO HIGH. SW SWELL 5 TO 7 METERS.

VIS : POOR IN PRECIPITATION.

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