Bulletinset for METAREA 7
Edition date (UTC): 2026-04-11 11:18:39
============================
HIGH SEAS FORECAST
============================
FQZA31 FAPR 110830



WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.

ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE

11TH OF APRIL 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 111000 TO 121000 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: N to NW 35 in the south, becoming SW 35 in the

            south-west from mid-period.





SYNOPTIC CHART 06:00Z

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

High 1022 hPa 34s01w, High 1024 hPa 30s58e



Low 1012 hPa 40s31e



Low 985 hPa 49s03e



Cold Front 44s05w, 47sw00w, 50s07e, into 49s03e



AREA FORECAST:

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

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

WIND     : SE to E 05 to 15.

VIS      : Good.



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

WIND     : Variable 05 to 10 over the central parts, otherwise S to SE 05

           to 15, but SW 05 to 15 in the west.

VIS      : Good, becoming moderate in showers and thundershowers in the

           north-east from mid-period.



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

WIND     : Variable 05 to 10 in the south, otherwise 05 to 15.

VIS      : Good but moderate in showers and thundershowers in the south-

           West at times.

SEA STATE: 3.0m in the south-west from mid-period, with S to SW swell.



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

WIND     : S to SE 10 to 20, but variable 05 to 10 in the south-west.

VIS      : Good.



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

WIND     : Anticyclonic 05 to 15 in the north-east at first, otherwise N

           to NW 15 to 25 reaching 30 to 35 in the south, becoming SW 25

           to 35 in the south-west from mid-period spreading to the

           south-east towards the end of the period.

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

           over the south-western and north-eastern parts.

SEA STATE: 3.0 to 4.0m in the western-half reaching 5.0 to 5.5m in the

           south-west spreading to the southern parts towards the end of

           the period, with W to SW swell.



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

WIND     : Cyclonic 05 to 15 in the south-east, otherwise variable 05 to

           10.

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

           South-western parts from mid-period.

SEA STATE: 3.0 to 4.0m in the south-west towards the end of the period,

           with W to SW swell.



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

WIND     : Variable 05 to 15 in the extreme west, otherwise S to SW 10 to

           20, reaching 25 to 30 over the central and south-eastern

           parts.

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

           the eastern parts.

SEA STATE: 3.0m in the eastern from mid-period parts with SW swell.



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

WIND     : Variable 05 to 10 in the west, otherwise NE to E 05 to 15, but

           N to NW in the extreme south-west 05 to 15.

VIS      : Good.



MOZAMBIQUE CHANNEL:

WIND     : Variable 05 to 10, but S to SE 10 to 15 in the extreme south

           and north-west.

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

           extreme north-west at times



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

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

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



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

WIND     : Cyclonic 15 to 25 in the north-eastern parts at first,

           otherwise, S to SW 10 to 20 becoming anti-cyclonic 05 to 10 in

           the north-west from mid-period. It will become NW 15 to 25 in

           the south-west towards mid-period.

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

           the north-east from mid-period.

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

           with W to SW swell.



AREA 2:

=======

MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)



26/04/11 AT 0400UTC



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

STRONGER THAN THE AVERAGES GIVEN HERE).



PART 1: WARNING



NIL.



PART 2: GENERAL SYNOPSIS, 26/04/11 AT 0000UTC

- DEEPENING LOW 1010 NEAR 41S/36E, RAPIDLY MOVING EAST-SOUTH-EASTWARD



PART 3: FORECAST FOR 24 HOURS FROM 26/04/11 AT 0600UTC TO 26/04/12 AT

        0600UTC



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

RAIN OVER SOUTHWESTERN AT END.

WIND: ANTICLOCKWISE 3/5 INCREASING NW 6/7 OVER SOUTHERN.

SEA : MODERATE OVER NORTHERN, ROUGH OVER SOUTHERN.

VIS : POOR IN PRECIPITATION.





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

SCATTERED RAIN.

WIND: ANTICLOCKWISE 2/4 INCREASING NW 5/6 OVER SOUTHWESTERN AT END.

SEA : ROUGH, VERY ROUGH OVER SOUTHERN AT FIRST BY SW SWELL 3 TO 5 M.

VIS : GOOD.





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

RAIN, SHOWERS AND SQUALLS OVER NORTHERN.

WIND: WESTERLY 3/5 INCREASING NW 6/7 OVER NORTHERN TONIGHT.

SEA : MODERATE TO ROUGH LOCALLY VERY ROUGH OVER SOUTHEASTERN AT FIRST

      AND OVER NORTHEASTERN AT END. SW SWELL 3 TO 5 M DECREASING.

VIS : POOR TO VERY POOR IN PRECIPITATION.





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

SHOWERS AND SQUALLS, RAIN OVER WESTERN AT END.

WIND: W 6/7 DECREASING 4/5 LATER THEN INCREASING NW 7 OVER

      NORTHWESTERN AT END.

SEA : VERY ROUGH BECOMING ROUGH FROM WEST. W SWELL 4 TO 6 M

      DECREASING.

VIS : POOR TO VERY POOR IN PRECIPITATION.=