METAREA 7 bulletinset


HIGH SEAS FORECAST
FQZA31 FAPR 031700 CCA

WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.

ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE

03RD OF JUNE 2026 AT 17:00 UTC.

FOR SOUTH-EAST SECTOR OF METAREA. VII, PREPARED BY REUNION, SEE AREA 2

BELOW.

NOTE: WX OBSERVATIONS.

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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 032200 TO 042200 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:

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1. CAPE EAST: S to SE 35 to 40 in the south and west, but N to NE 35 to

40 in the central parts towards the end of the period.

2. MARION FORTIES EAST: SE to E 35 to 40 in the north-west, where it will

become NE 35 to 40 towards the end of the period.

SYNOPTIC CHART 12:00Z

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High 1041 hPa 46s25e

Low 945 hPa 66s05w, Low 1013 hPa 36s35e

1. Cold Front: 26s18w 35s10w 40s05w 50s04e 55s10e into 66s05w

AREA FORECAST:

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

WIND : SE to E 05 to 15.

VIS : Good.

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

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

VIS : Good.

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

WIND : N to NW 05 to 15 in the south-east, otherwise NE to E 10 to

20, but S to SW 15 to 25 in the south-west.

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

west, spreading to the south-east towards the end of the

period.

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

WIND : S to SE 15 to 25, becoming E to NE 10 to 20 in the south-west

towards mid-period.

VIS : Good.

SEA STATE: 3.0 to 3.5m in the south-east until towards the end of the

period, with S to SW swell.

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

WIND : NW 20 to 30 in the east, otherwise S to SW 15 to 25 reaching

30 in the south, but SE 15 to 25 in the north-west.

VIS : Moderate to poor in showers and thundershowers, becoming good

in the west towards the end of the period.

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

in the south, with W to SW swell.

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

WIND : N to NW 20 to 30 in the south-west, otherwise S to SE 15 to 25

reaching 30 in the east until towards the end of the period.

VIS : Good, but moderate in showers and rain in the east, but in the

south-west towards mid-period.

SEA STATE: 3.5 to 4.5m in the east with S to SE swell, but in the south-

west towards the end of the period with W to NW swell.

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

WIND : S to SE 20 to 30, reaching 35 to 40 in the south and west, but

N to NE 15 to 25 in the central parts, where it will reach 30

to 40 towards the end of the period.

VIS : Moderate to poor in showers and thundershowers.

SEA STATE: 3.5 to 4.5m in the western half, reaching 5.0 to 6.0m in the

south and extreme north-west, with SE swell.

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

WIND : Variable 05 to 10, but E to NE 10 to 20 in the west, where it

will reach 25 to 30 towards mid-period. It will become S to SW

10 to 20 in the extreme south-west towards the end of the

period.

VIS : Moderate to poor in showers and thundershowers but good in the

north-west until mid-period.

SEA STATE: 3.0 to 4.0m in the south-west towards mid-period, with SE

swell.

MOZAMBIQUE CHANNEL:

WIND : S to SE 10 to 20 in the north, otherwise variable 05 to 10 but N

to NE 15 to 25 in the south-west.

VIS : Good.

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

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

VIS : Moderate in showers and thundershowers in places.

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

WIND : Anticyclonic 05 to 15 in the south, otherwise SE to E 15 to 25

reaching 30 to 40 in the north-west, where it will become NE

30 to 40 towards the end of the period.

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

SEA STATE: 3.0 to 3.5m with SW swell, reaching 4.0 to 6.0m in the north-

west, with E to NE swell.

AREA 2:

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

ACK (AMSTERDAM-CROZET-KERGUELEN)

26/06/03 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 EXPECTED OVER KER.

PART 2: GENERAL SYNOPSIS, 26/06/03 AT 1200UTC

- SQUALL LINES OVER WAM EXTENDING NORTH-SOUTH.

- HIGH-PRESSURE SYSTEM AT 1031 HPA OVER AMS MOVING EASTWARD.

- DEEPENING LOW-PRESSURE SYSTEM, FORECAST TO REACH 997 HPA NEAR

42S/80E AT 18 UTC ON THURSDAY, JUNE 4.

- DEEPENING LOW-PRESSURE SYSTEM OVER AMS AT THE END OF THE FORECAST

PERIOD, EXPECTED TO REACH 1010 HPA NEAR 32S/66E AT 18 UTC ON

THURSDAY, JUNE 4.

PART 3: FORECAST FOR 24 HOURS FROM 26/06/03 AT 1800UTC TO 26/06/04

AT 1800UTC

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

OCCASIONAL THUNDERSTORMS WITH STRONG GUSTS MOVING EASTWARD,

ASSOCIATED WITH THE CONVERGENCE LINE.

WIND : NORTH TO NORTHEAST 4 TO 5, OCCASIONALLY 6 OVER EASTERN, SOON

EASING TO VARIABLE 2 TO 4 FROM THE WEST, THEN FRESHENING SOUTH TO

SOUTHWEST 5 TO 6, OCCASIONALLY 7 WITH STRONG GUSTS OVER SOUTHERN

BEHIND A NEW COLD FRONT DURING THE DAY.

SEA: MODERATE TO ROUGH, SOUTH-SOUTHWESTERLY SWELL 2 TO 3 M, CROSSED

WITH A ROUGH WIND SEAS OVER SOUTHERN AREA.

VISIBILITY : POOR DURING PRECIPITATION.

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

SCATTERED SHOWERS FOLLOWED BY RAIN AND FRONTAL SHOWERS WITH A NEW

COLD FRONT.

WIND : ANTICLOCKWISE 2 TO 4, VEERING NORTH-WESTERLY 4 TO 5 OVER

WESTERN AHEAD OF THE NEW FRONT, BACKING SOUTHERLY 6/7 BEHIND IT.

SEA : MODERATE TO ROUGH, SOUTH-SOUTH-WESTERLY SWELL 2 TO 3 M,

CROSS-SWELL WITH HIGH WIND SEAS OVER SOUTHERN AREA.

VISIBILITY : POOR DURING RAINFALL.

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

RAIN AND SHOWERS, BECOMING LESS FREQUENT TOWARDS THE END.

WIND : SOUTHERLY 5 TO 6, OCCASIONALLY 7, WITH STRONG GUSTS, BECOMING

4 TO 6 FROM THE WEST OVER WESTERN AREAS TOWARDS THE END.

SEA : MODERATE TO ROUGH, TEMPORARILY VERY ROUGH OVER SOUTHERN.

SOUTH-WESTERLY SWELL OF 3 TO 4 METRES, COMBINED WITH HIGH WIND SEAS.

VISIBILITY : POOR DURING RAINFALL.

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

SHOWERS, OCCASIONALLY STORMY WITH STRONG GUSTS, AS A NEW WARM FRONT

MOVES IN, FOLLOWED BY A NEW COLD FRONT LATER ON.

WIND : NORTH-WESTERLY 5 TO 6, BUT 6 TO 7 WITH STRONG GUSTS, VEERING

SOUTH-WESTERLY 4 TO 6, LOCALLY 7, AHEAD OF THE WARM FRONT, THEN

CLOCKWISE 6 TO 8, LOCALLY 9, OVER THE NORTHERN AREA, VEERING SOUTH 5

TO 7 ACROSS THE WHOLE AREA BY THE END OF THE FORECAST PERIOD.

SEA : ROUGH TO VERY ROUGH, BECOMING CHOPPY TO ROUGH. SOUTH-WESTERLY

SWELL 3 TO 4 METERS, COMBINED WITH HEAVY WIND-DRIVEN SEAS.

VISIBILITY : POOR UNDER RAINFALL.