Bulletinset for METAREA 7
Edition date (UTC): 2026-08-26 21:09:02
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HIGH SEAS FORECAST
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FQZA31 FAPR 261700



WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.

ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE

26th OF AUGUST 2026 AT 17:00 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 262200 TO 272200 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: E to NE 35 in the north-west.



2. DURBAN EAST: NE to E 35 in the extreme south-west.



3. MARION FORTIES EAST: SW 35 to 40 in the east for the first half of the

                        period.



SYNOPTIC CHART 12:00Z

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

High 1033 hPa 43s22e.



AREA FORECAST:

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

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

WIND     : S to SE 10 to 15.

VIS      : Good.



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

WIND     : S to SW 05 to 10 but SE 10 to 15 in the south-west.

VIS      : Good.



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

WIND     : E to SE 10 to 15 in the north, otherwise W to NW 15 to 25 but

           variable 05 over the central parts.

VIS      : Good but moderate in showers in the south.

SEA STATE: 3.0 to 4.0m in the west and south reaching 4.5m in the south-west,

           with SW swell.



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

WIND     : Variable 05 in the south-west, otherwise S to SE 10 to 20.

VIS      : Good.



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

WIND     : W to NW 20 to 30 but SW 20 to 30 in the west spreading to the

           eastern parts by end of the period.

VIS      : Moderate to poor in showers and thundershowers.

SEA STATE: 3.0 to 4.0m in the east for the first half of the period,

           otherwise 4.5 to 5.5m, with SW to W swell.



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

WIND     : E to NE 20 to 30 in the south-east for the first half of the

           period, otherwise SW 05 to 15 but N to NW 15 to 25 in the west and

           south-west.

VIS      : Good, but moderate in showers and rain in the west.

SEA STATE: 3.0 to 3.5m in the south-east and extreme west, with S to SE

           swell but W swell in the extreme west.



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

WIND     : E to NE 20 to 30 in the west reaching 35 in the north-west,

           otherwise anticyclonic 05 to 15 but S to SW 20 to 30 in the

           extreme east.

VIS      : Moderate in showers and rain in the east for the first half of the

           period, otherwise good.

SEA STATE: 4.0 to 5.0m, reaching 6.0 to 8.0m in the east, with S to SW swell.



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

WIND     : S to SW 15 to 25 but NE to E 15 to 25 in the west reaching 30 to

           35 in the extreme south-west.

VIS      : Good but moderate in showers in the east.

SEA STATE: 3.0 to 4.0m in the north-west, otherwise 5.0 to 6.0m, with S to SW

           swell.



MOZAMBIQUE CHANNEL:

WIND     : S to SE 15 to 25 reaching 30 in the south-east.

VIS      : Good.

SEA STATE: 3.0 to 3.5m over the central and southern parts reaching 4.0m in

           the south-east, with S swell.



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

WIND     : E to SE 10 to 20 but N to NE 10 to 15 in the south.

VIS      : Good but moderate in showers in the south.

SEA STATE: 3.0 to 4.0m in the south, reaching 4.5m in the extreme south from

           mid-period, with SW swell.



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

WIND     : SW 20 to 30 reaching 35 to 40 in the east for the first half of

           the period but variable 05 to 10 in the extreme north-west.

VIS      : Good in the west, otherwise moderate to poor in showers and

           thundershowers with snow showers in the south-east.

SEA STATE: 5.0 to 7.0m reaching 8.0 to 9.0m in the east for the first half of

           the period, with SW swell.





AREA 2:

=======

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

ACK (AMSTERDAM-CROZET-KERGUELEN)



26/08/26 AT 1600UTC



AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40%

STRONGER THAN THE AVERAGES GIVEN HERE).



PART 1: WARNING

- STRONG GALE TO STROM OVER KER.- GALE FORCE 8 OVER CRO.



PART 2: GENERAL SYNOPSIS, 26/08/26 AT 1200UTC

- COLD FRONT OVER KER LEAVING THE AREA SOON.- DEEPENING LOW RAPIDLY,

959 HPA NEAR 48S/67E.



PART 3: FORECAST FOR 24 HOURS FROM 26/08/26 AT 1800UTC  TO 26/08/27

AT 1800UTC



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

SHOWERS,WIND:W TO SOUTHWEST 5 TO 6 IN NORTH, 6 TO 7 IN SOUTH.

GUSTS.SEA: VERY ROUGH TO HIGH FROM NORTH TO SOUTH. LONG SOUTH-WEST

SWELL  4 TO 6 M.VISI: POOR IN PRECIPITATION.



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

RAIN AND FRONTAL SHOWERS. SQUALLS.WIND: NW 5/6 LOCALLY 7 AHEAD THE

FRONT BACKING W 6/7AND DECREASING 5/6 LATER . GUSTS.SEA: MODERATE TO

ROUGH,  BECOMING VERY ROUGH TO HIGH BY SOUTHWESTERN AREA. LONG SW

SWELL 3 TO 6 M.VISI: POOR  IN PRECIPITATION.



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

RAIN AND FRONTAL SHOWERS THEN SCATTERED SHOWERS.WIND: W THEN SW 7/8,

DECREASING 6/7 AT END. GUSTS.SEA: MAINLY HIGH. LONG SOUTH-WESTERLY

SWELL 4 TO 6 M.VISI: POOR IN PRECIPITATIONS.



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

RAIN AND FRONTAL SHOWERS LOCALLY SQUALLS, SNOW IN THE SOUTH. VIOLENT

GUSTS.WIND:- IN NORTH: W 7/8 DECREASING 6/7 AT END.- IN SOUTH:

CLOCKWISE 7/8, LOCALLY 9/10, SETTING UP W 4 TO 6 LOCALLY W 7/8.SEA:

HIGH, LOCALLY VERY HIGH. LONG WEST TO SOUTHWEST SWELL 4 TO 7 M.VISI:

VERY POOR.=