METAREA 7 bulletinset


HIGH SEAS FORECAST
FQZA31 FAPR 141700

WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.

ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE

14th OF SEPTEMBER 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:

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FORECAST VALID FROM 141220 TO 152200 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 WEST: NW to W 35 in the south-east.

2. CAPE EAST: N to NE, reaching 35 to 40 over the central and southern

parts, but W to NW 35 in the west from mid-period.

3. DURBAN EAST: E to NE 35 in the northern parts (south of Madagascar)

and the south-western parts.

4. MARION FORTIES EAST: N to NW 35 to 40 over the western half,

spreading to the eastern parts by mid-period.

SYNOPTIC CHART 12:00Z

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

High 1036 hPa 37s43e, High 1020 hPa 21s01w

Low 952 hPa 57s18e, Low 1008 hPa 34s23e

1. Cold Front: 27s15w 33s02w 38s07e 42s12e 49s20e into 57s18e

AREA FORECAST:

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

WIND : S to SE 05 to 15.

VIS : Good.

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

WIND : S to SE 05 to 15.

VIS : Good.

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

WIND : Anticyclonic 05 to 10 over the northern half, otherwise W to

NW 15 to 25, but S to SE 15 to 25 in the south and south-east.

VIS : Good but moderate in showers and rain in the south.

SEA STATE: 3.0m over the southern half, with SW swell.

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

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

to 15 reaching 20 to 25 in the north-east, but W to NW 15 to

25 in the southern parts.

VIS : Good but moderate to poor in showers and rain in the south-

western parts.

SEA STATE: 3.0m in places in the south-western parts, with S to SW swell.

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

WIND : S to SW 15 to 25 in the southern parts where it will reach 30

at times, becoming anticyclonic 05 to 10 over the central

parts, but S to SE 05 to 15 in the north-east.

VIS : Moderate in rain and showers except in the north-west where it

will be good.

SEA STATE: 3.0 to 4.0m reaching 4.5m over the south-eastern parts, with W

to SW swell.

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

WIND : NW to W 15 to 25 in the north-east, reaching 30 to 35 in the

south-east, otherwise SW to S 20 to 30.

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

the north-west central parts and the south-east, spreading to

the north-east towards the end of the period.

SEA STATE: 3.0 to 4.0m, except in the north-east, reaching 4.5 to 5.0m in

the southern parts, with W to SW swell.

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

WIND : N to NE 20 to 30, reaching 35 to 40 over the central and

southern parts, but W to NW 15 to 25 in the west, reaching

30 to 35 in the west from mid-period.

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

parts.

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

south and the west, with E to NE swell, but NW in the west and

central south.

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

WIND : E to NE 15 to 25, reaching 30 to 35 in the northern parts

(south of Madagascar) and the south-western parts.

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

SEA STATE: 3.5 to 4.5m, with E to NE swell, but S to SW in the east.

MOZAMBIQUE CHANNEL:

WIND : E to SE 10 to 20 becoming NE 10 to 15 during the second half

of the period.

VIS : Good.

SEA STATE: 3.0 to 3.5m in the south-east, with SE swell.

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

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

to 25 in the south-east.

VIS : Moderate in showers and rain in places.

SEA STATE: 3.0 to 4.0m, with E to SE swell.

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

WIND : N to NW 20 to 30 reaching 35 to 40 over the western half,

spreading to the eastern parts by mid-period, while becoming

W to SW 10 to 15 over the west and south-western parts.

VIS : Moderate to poor in showers and rain, except in the north-

east.

SEA STATE: 4.0 to 6.0m, with W to NW swell.

AREA 2:

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

ACK (AMSTERDAM-CROZET-KERGUELEN)

26/09/14 AT 1600UTC

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

STRONGER THAN THE AVERAGES GIVEN HERE).

PART 1: WARNING

- GALE OVER WAM, AMS, CRO AND KER.

PART 2: GENERAL SYNOPSIS, 26/09/14 AT 1200UTC

- BUILDING HIGH 1036 HPA NEAR 37S/44E, STEADILY MOVING EASTWARD.-

COLD FRONT (CF) OVER FAR EASTERN AMS AND KER, DRIFTING AWAY THE AREA

BY EAST AT FIRST.- ACTIVE POST COLD FRONT CONDITIONS BEHIND CF.-

WAVING FRONT OVER SOUTH-WESTERN CRO LATER.

PART 3: FORECAST FOR 24 HOURS FROM 26/09/14 AT 1800UTC TO 26/09/15

AT 1800UTC

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

SHOWERS OVER EASTERN, BECOMING GRADUALLY MORE SCATTERED.WIND: EASTERN

HALF: SW 6/7 AT TIMES 8 WITH SEVERE GUSTS, DECREASING S 5/6 AT TIMES

6.WESTERN HALF: BECOMING ANTICLOCKWISE 3/4 AT TIMES 5.SEA: VERY ROUGH

TO HIGH FROM WEST TO EAST, BECOMING ROUGH OVER FAR WESTERN LATER.

LONG SW SWELL 5 TO 7M ABATING 3 TO 5M LATER.VISI: POOR IN

PRECIPITATION.

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

SHOWERS AT TIMES THUNDERY, BECOMING MORE SCATTERED OVER WESTERN

LATER, BUT FRONTAL RAIN, SHOWERS AND SQUALLS OVER FAR EASTERN AT

FIRST.WIND: INCREASING SW 6/7 AT TIMES 8. SEVERE GUSTS.SEA: VERY

ROUGH TO HIGH. LONG SW SWELL SPREADING FROM WEST INCREASING 5 TO

7M.VISI: POOR OR VERY POOR IN PRECIPITATION.

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

SCATTERED SHOWERS, BUT SHOWERS OVER FAR EASTERN AT FIRST. FRONTAL

RAIN AND SHOWERS OVER SOUTH-WESTERN LATER.WIND: SW 5/6 AT TIMES 7,

LOCALLY 8 OVER NORTHERN AT FIRST, VEERING NW 5/6 AT TIMES 7 FROM WEST

LATER. GUSTS.SEA: VERY ROUGH BUT HIGH OVER NORTH-EASTERN, BECOMING

GRADUALLY ROUGH OVER NORTH-WESTERN. LONG SW SWELL 5 TO 7M ABATING

GRADUALLY 3 TO 5M.VISI: POOR OR VERY POOR IN PRECIPITATION.

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

SHOWERS AT TIMES THUNDERY, BECOMING MORE SCATTERED OVER WESTERN

LATER, BUT FRONTAL RAIN, SHOWERS AND SQUALLS OVER FAR EASTERN AT

FIRST.WIND: SW 6/7 AT TIMES 8 WITH SEVERE GUSTS, DECREASING 5/6 AT

TIMES 7 FROM WEST LATER.SEA: VERY ROUGH TO HIGH. LONG W SWELL

SPREADING FROM WEST AND INCREASING 4 TO 6M, LOCALLY 7M OVER FAR

NORTH-WESTERN..VISI: POOR OR VERY POOR IN PRECIPITATION.=