WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
06th 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 062200 TO 072200 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 places in the central and west from mid-period.
2. CAPE EAST: S to SW 35 to 40 in the south-east at first.
3. MARION FORTIES EAST: W to SW 35 in the eastern parts at first.
SYNOPTIC CHART 12:00Z
=====================
High 1033 hPa 42s23e
Low 966 hPa 61s03w, Low 966 hPa 52s58e
1. Cold Front: 35s12w 39s09w 46s07w 51s04w 57s01w into 61s03w
2. Cold Front: 34s45e 36s51e 39s55e 44s61e 49s62e into 52s58e
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 05 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 10 to 20, but SW 05 to 15 in the east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : N to NW 15 to 25 in the south-west but variable 05 to 15 in
the south-east and central parts, otherwise E to SE 10 to 20.
It will become W to SW 10 to 20 in the extreme south-west
towards mid-period.
VIS : Good but moderate in showers and thundershowers in the south-
west.
SEA STATE: 3.0 to 3.5m in the south-west, with NW swell in the south-
west.
TRADES (15S/30S, 00E/WEST COAST):
WIND : Variable 05 to 10 in the south-west until mid-period,
otherwise S to SE 10 to 20.
VIS : Good.
SEA STATE: 3.0m in the south-west until mid-period, with S to SE swell.
TRISTAN (30S/40S, 00E/20W):
WIND : N to NW 15 to 25 reaching 30 to 35 in places in the central
and west from mid-period. It will become W to SW 15 to 25
reaching 30 to 35 in the south-west from mid-period spreading
to the central toward the end of the period.
VIS : Good but moderate to poor in showers and thundershowers in the
western and central parts, spreading to the south-east by mid-
period.
SEA STATE: 3.0 to 4.0m in the west, spreading to the central and south-
eastern parts towards the end of the period, with W to NW
swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : E to NE 15 to 25 in the south-east until mid-period, where it
will be reach 30 in the south-east until mid-period. Otherwise
variable 05 to 10. It will become NW 10 to 20 in the south-
west towards the end of the period.
VIS : Good.
SEA STATE: 3.0 to 4.0m in the central and south-eastern parts, with S to
SE swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : E to NE 15 to 25 in the west reaching 30 in places in the
west towards the end of the period, reaching otherwise S
to SW 15 to 25, reaching 30 to 40 in the south-east at first.
It will become variable 05 to 10 in the north-west towards the
end of the period.
VIS : Good but moderate in showers and rain the south-east.
SEA STATE: 3.5 to 4.5m reaching 5.0 to 6.0m but 6.5 to 9.0m in the
central and eastern parts, with S to SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : S to SE 10 to 20, reaching 25 in places south-eastern parts
but E to NE 15 to 25 in the south-west until mid-period.
VIS : Good, but moderate in showers and rain in the western parts
until mid-period.
SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.5m in the south from mid-period
spreading to the central towards mid-period and to the north
towards the end of the period but 6.0 to 7.0m in the extreme
south from mid-period, with S to SW swell.
MOZAMBIQUE CHANNEL:
WIND : W to SW 05 to 15 in the north, otherwise S to SE 10 to 20.
VIS : Good but moderate in showers in the south-west at first.
SEA STATE: 3.0 to 3.5m in the south and central parts towards mid-period
but reaching 4.0 to 4.5m in the south towards the end of the
period, with S to SE swell.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : NE 05 to 15 in the south-west at first otherwise E to
SE 10 to 20.
VIS : Good, but moderate in rain and showers in places south and
central parts.
SEA STATE: 3.0 to 4.0m in the south, reaching 4.5 to 5.0m in the extreme
south towards the end of the period, with S to SE swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : W to SW 15 to 25 reaching 30 to 35 in the eastern parts first.
It will become NW 15 to 25 in the west and south towards the
end of the period.
VIS : Good but moderate in showers and rain in the eastern parts at
first.
SEA STATE: 5.0 to 6.0m reaching 7.5 to 9.5m over the central to eastern
Parts at first, with W to SW swell.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA
ACK (AMSTERDAM-CROZET-KERGUELEN)
26/09/06 AT 1700UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40%
STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- STRONG GALE FORCE 9 OVER KER AND OVER CRO.- GALE FORCE 8 OVER WAM
AND AMS.
PART 2: GENERAL SYNOPSIS, 26/09/06 AT 1200UTC
- LOW AT 969 HPA NEAR 51S/57E, FORECAST TO BE AT 55S/77E ON THE 7TH
AT 18 UTC.- ASSOCIATED COLD FRONT CF CENTERED AT 35S/42E, 40S/57E,
45S/63E, AND 52S/59E, MOVING EASTWARD.- HIGH AT 1031 HPA NEAR
42S/23E.- HIGH AT 1034 HPA NEAR 33S/104E.
PART 3: FORECAST FOR 24 HOURS FROM 26/09/06 AT 1800UTC TO 26/09/07
AT 1800UTC
WAM (30S/40S, 50E/65E)
RAIN, SHOWERS, AND FRONTAL SQUALLS UNDER CF.WIND : NORTHWEST BACKING
WEST THEN SOUTHWEST, 6 TO 8 WITH GUSTS.SEA : VERY ROUGH TO HIGH
BECOMING HIGH TO LOCALLY VERY HIGH IN THE SOUTH. A LONG SOUTHWEST
SWELL OF 4 TO 7 M ARRIVING FROM THE WEST.VISIBILITY : POOR TO VERY
POOR UNDER PRECIPITATIONS.
AMS (30S/40S, 65E/80E)
NUMEROUS SHOWERS BECOMING MORE FREQUENT UNDER CF.WIND : NORTHWEST
INCREASING TO 5 TO 7 LOCALLY 8 WITH GUSTS, BACKING WEST.SEA : VERY
ROUGH TO HIGH FROM THE SOUTHWEST. LONG SW SWELL, 4 TO 6
METERS.VISIBILITY : POOR TO VERY POOR UNDER PRECIPITATIONS.
CRO (40S/50S, 50E/65E)
RAIN AND THUNDERSTORMS ASSOCIATED WITH CF MOVING EASTWARD, FOLLOWED
BY NUMEROUS SHOWERS.WIND: WEST 6 TO 7 AT FIRST, BACKING SOUTHWEST 7
TO 8, LOCALLY 9 WITH VIOLENT GUSTS.SEA : VERY ROUGH TO HIGH,
BECOMING HIGH TO VERY HIGH. A LONG SWELL ARRIVING FROM THE WEST, 4 TO
5 M, LOCALLY 6 TO 7 METERS IN THE NORTHWEST PART OF THE
AREA.VISIBILITY: POOR TO VERY POOR UNDER PRECIPITATIONS.
KER (40S/50S, 65E/80E)
RAIN AND THUNDERSTORMS UNDER CF MOVING IN FROM THE WEST.WIND:
NORTHWEST 7 TO 8, LOCALLY 9 AHEAD OF THE FRONT, TEMPORARILY WEAKENING
TO 4 TO 7 BEHIND THE FRONT, THEN BACKING SOUTHWEST TO WEST 7 TO 8
LOCALLY 9. VIOLENT GUSTS.SEA: VERY ROUGH TO HIGH. W SWELL 4 TO 5
METERS.VISI: POOR OR VERY POOR IN PRECIPITATIONS.=