METAREA 7 bulletinset


HIGH SEAS FORECAST
FQZA31 FAPR 151600

WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.

ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE

15th OF SEPTEMBER 2026 AT 16:00 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:

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FORECAST VALID FROM 152200 TO 162200 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. TRADES : S to SE 35 in the north-eastern and central parts.

2. CAPE EAST: W to NW 35 in the western parts at first and south-eastern

Parts until the end of the period.

3. MARION FORTIES EAST: N to NW 35 over north-east. It will become W to

SW 35 over the central parts towards the end of

the period.

SYNOPTIC CHART 12:00Z

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

High 1029 hPa 33s14w, High 1038 hPa 36s52e

Low 964 hPa 64s53e, Low 995 hPa 48s16e, Low 1011 hPa 30s33e

1. Cold Front: 40s10e 43s14e 46s16e into 48s16e

2. Cold Front: 30s10e 32s11e 37s18e 43s27e 50s34e 57s46e 62s58e

into 64s53e

AREA FORECAST:

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

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

WIND : S to SE 15 to 25.

VIS : Good.

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

WIND : S to SE 15 to 25 but SW 05 to 15.

VIS : Good.

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

WIND : N to NE 15 to 25 in the south-west otherwise E to SE 15 to 25

in the south and south-east.

VIS : Good but moderate in showers and rain in places in the central

and south-west.

SEA STATE: 3.0m in places over the central at first, with S to SW

swell.

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

WIND : S to SE 15 to 25, reaching 30 to 35 in the central and north-

eastern parts.

VIS : Good.

SEA STATE: 3.0 to 4.0m in the south-western parts, spreading to the

central towards mid-period, with S to SW swell.

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

WIND : Anticyclonic 05 to 15 in the central and eastern parts but N

to NW 15 to 25 in the south-west, spreading over the west

towards mid-period. It will become E to NE 15 to 25 in the

north-west by the end of the period.

VIS : Good becoming moderate in showers and rain in the western

Parts from mid-period.

SEA STATE: 3.0 to 4.0m except in the northern parts, reaching 4.5m

in the extreme south-west, with W to SW swell.

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

WIND : W to SW 15 to 25 in the south-east at first, otherwise S to SE

15 to 25, reaching 30 in places in the central and north-east

towards the end of the period. It will become anticyclonic 05

to 15 in the west towards mid-period, spreading to the central

towards the end of the period.

VIS : Moderate to poor in showers and rain eastern parts at first,

otherwise good.

SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.0m in places in the southern

parts until mid-period, with W to SW swell.

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

WIND : W to NW 15 to 25, reaching 30 to 35 in the western parts

at first and south-eastern parts, but SW 15 to 25 over the

western parts aa first drifting to the central parts towards

mid-period, otherwise S to SE 15 to 25.

VIS : Moderate in showers and rain over the west and the

central parts but clearing over the south-west parts from mid-

period, otherwise good.

SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.5m in places in the west and

south-central, with W to NW swell in the west but N to NE

central parts.

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

WIND : Cyclonic 05 to 15 in the north-western parts at first becoming

W to SW 15 to 25 over the south-west spreading to the north-

western parts towards mid-period, otherwise E to NE 15 to 25,

reaching 30 in the northern parts (south of Madagascar) at

first. It will become S to SE 15 to 25 in the south-west

towards the of the period.

VIS : Good becoming moderate to poor in showers and rain in the

south-west towards the end of the period.

SEA STATE: 3.0 to 4.0m except in the north-western and south-eastern

parts, with E to NE swell over the central, but S to SW in the

south-west.

MOZAMBIQUE CHANNEL:

WIND : N to NE 10 to 15 but E to SE 15 to 25 in the north and eastern

parts towards the end of the period.

VIS : Good.

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

WIND : SE 15 to 25, reaching 30 in the north-west at times, but E to

NE 15 to 25 in the south.

VIS : Moderate in showers and rain in west and north places.

SEA STATE: 3.0 to 4.0m, reaching 4.5m in the northern parts, with E to SE

swell.

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

WIND : N to NW winds of 15 to 25 over the central and eastern parts

until mid-period, reaching to 30 to 35 in the northeast,

becoming cyclonic at 15 to 25 over the central parts, shifting

towards the extreme east by the end of the period. It will

become W to SW at 15 to 25 in the west from mid-period,

spreading to the central and south-eastern parts towards the

end of the period, while reaching 30 to 35 over the

central parts towards the end of the period.

VIS : Moderate to poor in showers and rain over the north across the

central to the south-east, spreading to the north-east towards

the end of the period, otherwise good.

SEA STATE: 4.0 to 5.0m, reaching 5.5 to 6.5m in the central and eastern

parts, with W to NW swell.

AREA 2:

======

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

26/09/15 AT 1600UTC

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

STRONGER THAN THE AVERAGES GIVEN HERE).

PART 1: WARNING

- GALE CONTINUING OVER EASTERN KER.

PART 2: GENERAL SYNOPSIS, 26/09/15 AT 1200UTC

- HIGH 1035 NEAR 35S/53E, SLOWLY MOVING EASTWARD. - COLD FRONT

EXPECTED OVER SOUTHWEST CRO AT FIRST.

PART 3: FORECAST FOR 24 HOURS FROM 26/09/15 AT 1800UTC TO 26/09/16

AT 1800UTC

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

SCATTERED SHOWERS.

WIND: ANTICLOCKWISE 3 TO 5, BUT NW 5 OR 6 OVER FAR

SOUTH-WESTERN.

SEA : ROUGH TO VERY ROUGH BECOMING MODERATE TO ROUGH

LATER. SW SWELL 3 TO 5 METERS ABATING 2 TO 3 METERS AT END.

VISI : GOOD.

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

SCATTERED SHOWERS.

WIND : SW 6 OR 7, DECREASING ANTICLOCKWISE 3 TO 5

FROM WEST SOON. GUSTS.

SEA : VERY ROUGH OR HIGH BECOMING ROUGH TO VERY

ROUGH LATER. LONG SW SWELL 4 TO 6 METERS ABATING 3 TO 5 METERS AT

END.

VISI : GOOD.

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

RAIN AND FRONTAL SHOWERS (CF) OVER SOUTHERN.

WIND : NW 6 OR 7 BECOMING ANTICLOCKWISE 3 TO 5 OVER SOUTHERN AT END. GUSTS.

SEA : ROUGH OR VERY ROUGH. LONG SW SWELL 4 TO 6 METERS ABATING 2 TO 4 METERS AT END.

VISI: POOR OR VERY POOR IN PRECIPITATION.

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

RAIN AND FRONTAL SHOWERS (CF) OVER SOUTHERN SOON.

WIND : SW 6 OR 7, AT TIMES 8 OVER FAR EASTERN AT FIRST, BUT SW 5 OR 6

OVER WESTERN, INCREASING QUICKLY W 6 OR 7 BY WESTERN. SEVERE GUSTS.

SEA : VERY ROUGH TO HIGH, BECOMING ROUGH OR VERY ROUGH AT END. LONG W SWELL 4 OR 5 METERS, ABATING 3 OR 4 METERS LATER THEN NEW W SWELL 3 TO 5 METERS OVER FAR SOUTHWESTERN AT END.

VISI : POOR OR VERY POOR IN PRECIPITATION. =