WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
08th 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 082200 TO 092200 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. MARION FORTIES EAST : W to NW 35 to 40 in the south-west towards
the end of the period.
SYNOPTIC CHART 12:00Z
=====================
High 1037 hPa 33s45e High 1023 hPa 26s01w High 1030 29s35w
1. Cold Front: 22s18w 32s03w 40s09e 49s20e 54s13e into 51s05e
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 05 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 05 to 15, but SW 05 to 15 in the east.
VIS : Good but poor to moderate in showers and thundershowers in
places in the east.
ST HELENA (15S/30S, 00E/20W):
WIND : Anticyclonic 05 to 15 across the central parts to the south-
east, otherwise SE to E 15 to 25.
VIS : Good but moderate in showers and rain in places in the south.
SEA STATE: 3.0m except in the north-east, with SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : Variable 05 to 10 in the south-west, otherwise S to SE 10 to
20.
VIS : Good but moderate in showers and thundershowers in places in
the central parts until mid-period.
TRISTAN (30S/40S, 00E/20W):
WIND : variable 05 to 10 across the north-west to the central east,
otherwise SW to W 15 to 25 reaching 30 in the extreme south
during the afternoon, but SE 15 to 25 in the north-east.
VIS : Good but moderate in showers and rain in the north-east and
south-west.
SEA STATE: 3.0 to 4.0m reaching 4.5 to 5.0m in the extreme south-east at
first and from the extreme south-west from mid-period, with W
to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : Anticyclonic 05 to 15 in the north, otherwise SW 10 to 20, but
NW 15 to 25 in the south-east until mid-period and in the
south-west towards the end of the period.
VIS : Good but moderate in showers in places in the west and south-
east from mid-period.
SEA STATE: 3.0 to 4.0m except in the north-east reaching 4.5 to 5.0m in
the south-west until mid-period, with SW to W swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : Variable 05 to 10 in the north-east and west, otherwise N to
NE 15 to 25, but W to NW 15 to 25 in the south-east.
VIS : Good.
SEA STATE: 3.0 to 4.0m except in the west subsiding in the north-east
from mid-period, with SW swell but NW in the central parts.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : Anticyclonic 05 to 15 in the south-east, otherwise E to NE 15
to 25 reaching 30 in the south-west and central north.
VIS : Good but moderate in the north-east.
SEA STATE: 3.0 to 4.0m except in the west, reaching 4.5 to 5.0m in
the north-east at first, with S to SW swell but SE in the
north.
MOZAMBIQUE CHANNEL:
WIND : Variable 05 to 10 in the north, otherwise S to SE 15 to 25,
reaching 30 in the south-east.
VIS : Good but moderate to poor in showers and thundershowers in the
in the north.
SEA STATE: 3.0 to 4.0m except in the north reaching 4.5 to 5.0m in the
south-east until mid-period, with S to SE swell.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to SE 15 to 25.
VIS : Good but moderate in showers and rain in places.
SEA STATE: 3.0 to 4.0m in the north, otherwise 4.5 to 5.5m, with SE
swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : W to NW 20 to 30, reaching 35 to 40 in the south-west towards
the end of the period.
VIS : Good but moderate in showers and rain in places.
SEA STATE: 4.0 to 5.0m reaching 5.5 to 6.5m in south-east at first but
3.0 to 3.5m in the north, 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)
26/09/08 AT 1600UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40%
STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- GALE EXPECTED LATER OVER FAR SOUTHERN OF AMS.- GALE OR STRONG GALE
CONTINUING OVER CRO.- GALE CONTINUING AND STRONG GALE EXPECTED SOON
OVER KER.
PART 2: GENERAL SYNOPSIS, 26/09/08 AT 1200UTC
- COLD FRONT OVER SW KER, RAPIDLY MOVING EASTWARD.- HIGH 1037 NEAR
35S/45E, EXPECTED 1037 OVER NORTHWESTERN WAM AT END.
PART 3: FORECAST FOR 24 HOURS FROM 26/09/08 AT 1800UTC TO 26/09/09
AT 1800UTC
WAM (30S/40S, 50E/65E)
FEW SHOWERS.WIND : OVER NORTHERN : ANTICLOCKWISE 3 TO 5. OVER
SOUTHERN : W 5 OR 6, LOCALLY 7 OVER FAR SOUTHERN. GUSTS.SEA : VERY
ROUGH TO HIGH, BECOMING ROUGH TO VERY ROUGH FROM WEST SOON. LONG SW
SWELL 4 TO 6 METERS FROM WEST TO EAST AT FIRST, DECREASING 3 TO 5
METERS FROM WEST TO EAST AT END. VISIBILITY : MAINLY GOOD,
TEMPORARILY POOR WITH PRECIPITATION.
AMS (30S/40S, 65E/80E)
FEW SHOWERS.WIND : OVER NORTHERN : S 4 OR 5, LOCALLY 6 OVER EASTERN
AT FIRST, INCREASING SW 5 OR 6 LATER. GUSTS. OVER SOUTHERN : W OR SW
5 OR 6, INCREASING 6 OR 7, LOCALLY 8 OVER FAR SOUTHERN LATER. SEVERE
GUSTS.SEA : VERY ROUGH TO HIGH. LONG SW SWELL 6 OR 7 METERS,
DECREASING 4 OR 5 METERS FROM NORTH TO SOUTH AT END.VISIBILITY :
GOOD, TEMPORARILY POOR WITH PRECIPITATION.
CRO (40S/50S, 50E/65E)
FRONTAL SHOWERS OVER SOUTHERN AT FIRST, THEN SCATTERED SHOWERS.WIND :
W 7 OR 8, AT TIMES 9, DECREASING FROM WEST 6 OR 7 LATER. SEVERE
GUSTS.SEA : VERY ROUGH TO HIGH. ARRIVAL OF A LONG SW SWELL OF 4 TO 6
METERS FROM SOUTHWEST LATER.VISIBILITY : POOR WITH PRECIPITATION.
KER (40S/50S, 65E/80E)
FRONTAL RAIN AND SHOWERS.WIND : W 6 OR 7, AT TIMES 8, INCREASING SOON
7 OR 8, AT TIMES 9, DECREASING SW 6 OR 7, AT TIMES 8, AT END. SEVERE
GUSTS.SEA : HIGH. LONG SW SWELL 4 TO 6 METERS, DECREASING SOON.
ARRIVAL OF A OTHER LONG S SWELL 5 OR 6 METERS OVER WESTERN AT
END.VISIBILITY : POOR TO VERY POOR WITH PRECIPITATION.=