Bulletinset for METAREA 7
Edition date (UTC): 2026-08-11 16:57:37
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HIGH SEAS FORECAST
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FQZA31 FAPR 111330



WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.

ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE

11TH OF AUGUST 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:

=======

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. TRISTAN: W to NW 35 to 40 in places in the southern parts for the

            first half of the period.



2. CAPE WEST: E to NE 35 at times in the east and south-east.



3. DURBAN EAST: SE to E 35 in places in the north-west for the first half

                of the period.



4. MARION FORTIES EAST: W to SW 35 in places in the west and over the

                        southern parts.





SYNOPTIC CHART 12:00Z

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

High 1042 hPa 40s27e.



Low 986 hPa 41s18w.



Cold Front: 24s28w 27s21w 33s16w into 41s18w





AREA FORECAST:

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

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

WIND     : E to SE 05 to 15.

VIS      : Good.

SEA STATE: 3.0 in the south-east until mid-period, with S to SE swell



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

WIND     : S to SE 05 to 15 but SW to W 05 to 10 in the east.

VIS      : Good.

SEA STATE: 3.0 in the south for the first half of the period, with S to

           SE swell.



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

WIND     : NE 10 to 20 in the south-east until mid-period, otherwise

           variable 05 to 10 but N to NW 15 to 25 in the south and west,

           spreading to the south-east from mid-period. It will W to SW

           15 to 25 in the south-west.

VIS      : Good, but moderate to poor in showers and thundershowers the

           south-west, west and south.

SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.5m in the south-west, with S to

           SE swell.



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

WIND     : Variable 05 to 15 but E to SE 15 to 25 in the southern parts

           for the first half of the period.

VIS      : Good.

SEA STATE: 3.0 to 3.5m in the south and west, with SE swell.



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

WIND     : N to NE 15 to 25 in the eastern parts, otherwise W to NW 15 to

           25 reaching 30 to 40 in places in the southern parts for the

           first half of the period becoming SW 20 to 30 over the western

           parts towards the end of the period.

VIS      : Good but moderate to poor in showers and thundershowers in

           places.

SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in the western and southern

           parts, with W to SW swell.



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

WIND     : E to NE 15 to 25, reaching 30 to 35 at times in the east and

           south-east, but N to NW 15 to 25 in the western parts from

           mid-period.

VIS      : Good.

SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.0 in the south-east and south-

           west, with E to SE swell.



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

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

           to 35 in the north-west and west at times.

VIS      : Good but moderate in showers and rain in the northern and

           eastern parts at times.

SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.0m in the west from the second

           half of the period with W to SW swell.



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

WIND     : Variable 05 to 10 in the north-east, otherwise SE to E 15 to

           25, reaching 30 to 35 in places in the north-west for the

           first half of the period.

VIS      : Good but moderate to poor in showers and thundershowers in

           places.

SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.5m over the central and western

           parts, with S to SE swell.

MOZAMBIQUE CHANNEL:

WIND     : S to SE 05 to 15, reaching 20 to 30 in places in the south.

VIS      : Good, becoming moderate to poor in showers and thundershowers

           over the southern parts.

SEA STATE: 3.0 to 4.0m in the southern parts reaching 4.5 to 5.0m from

           mid-period, with S to SE swell.



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

WIND     : E to SE 10 to 20, but variable 05 to 15 in the south.

VIS      : Good, but moderate in showers and thundershowers in places.

SEA STATE: 3.0m in the eastern and northern parts but in the southern

           parts from mid-period, with E to SE swell.



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

WIND     : W to SW 15 to 25 reaching 30 to 35 in places in the west and

           over the southern parts.

VIS      : Moderate in showers and rain in places in the northern parts.

SEA STATE: 3.0 to 4.0m reaching 4.0 to 6.0m 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)



26/08/11 AT 0500UTC



AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE).



PART 1: WARNING



- GALE RUNNING OVER KER AND EXPECTED OVER CRO LATER.



PART 2: GENERAL SYNOPSIS, 26/08/11 AT 0000UTC



- COLD FRONT WITH THUNDERY SQUALLS AXIS  30S/44E, 36S/51E, 44S/65E, 49S/82E, MOVING EASTWARD 10/15 KT.





PART 3: FORECAST FOR 24 HOURS FROM 26/08/11 AT 0600UTC TO 26/08/12 AT 0600UTC



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

FRONTAL RAIN, SHOWERS. SQUALLS.

WIND  : N 4 TO 6 AHEAD THE FRONT BACKING S 4 TO 6 AT TIMES 7 BEHIND.

        GUSTS.

SEA   : MODERATE TO ROUGH, LOCALLY VERY ROUGH OVER NORTHWESTERN AREA AT

        END. SW SWELL 2 TO 3 METERS.

VIS   : POOR OR VERY POOR IN  PRECIPITATION.





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

SCATTERED SHOWERS THEN FRONTAL SHOWERS OVER SOUTHWESTERN AREA AT END.

WIND  : ANTICLOCKWISE 3 TO 5,INCREASING NW 5 TO 6 AT TIMES 7 OVER

        SOUTHERN AREA.

SEA   : MODERATE TO ROUGH.

VIS   : POOR IN SHOWERS.





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

FRONTAL RAIN, SHOWERS AND SQUALLS OVER NORTHEASTERN AREA AT FIRST.

WIND  : NW 6 TO 7 OVER FAR NORTHEASTERN AREA, BACKING SOUTHWEST  4 TO

        6 BEHIND, INCREASING W 6 TO 7 AT TIMES 8  OVER SOUTHERN AREA

        SOON. GUSTS.

SEA   : ROUGH TO VERY ROUGH. SW SWELL BETWEEN 2 TO 4 METERS.

VIS   : POOR IN PRECIPITATION.





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

FRONTAL RAIN AND SHOWERS.

WIND  : NW 6 TO 7 AT TIMES 8 BACKING SW 4 TO 6 BEHIND AND INCREASING W

        6 TO 7 AT TIMES 8 OVER SOUTHERN AREA AT END. GUSTS.

SEA   : ROUGH TO VERY ROUGH. WESTERLY SWELL 3 TO 5 METERS.

VIS   : POOR IN PRECIPITATION.