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:
=======
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.
WE RESPECT YOUR PRIVACY AND ACKNOWLEDGE THAT THIS EMAIL MAY CONTAIN
PERSONALLY IDENTIFIABLE INFORMATION. THE EMAIL MAY BELONG TO YOU,
OTHERS, AND OR TO YOUR ORGANIZATION, AND WHICH WE WILL PROCESS, WHICH
PROCESSING WILL BE DONE IN ACCORDANCE WITH OUR PRIVACY NOTICE ON OUR
WEBSITE - HTTPS://WWW.WEATHERSA.CO.ZA/HOME/PRIVACYNOTICE=