WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
01st 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 012200 TO 022200 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. CAPE WEST: SW 35 to 40 over the central parts, spreading to the north-
east during the second half of the period.
2. MARION FORTIES EAST : W to SW 35 to 40 in the south-east until mid-
period. It will become NW 35 to 40 over the
south-west towards the end of the period.
SYNOPTIC CHART 12:00Z
=====================
High 1028 hPa 35s18w, High 1029 hPa 28s04w, High 1035 hPa 31s71e.
Low 1002 hPa 50s01e, Low 961 hPa 52s38e, Low 1005 hPa 44s71e.
1. Cold Front: 40s14w 43s02w 45s02e into 50s01e.
2. Cold Front: 34s05e 39s27e 44s43e 47s45e into 52s38e.
3. Cold Front: 36s61e 39s69e into 44s71e.
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 15 to 20.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : SE 10 to 20, but S to SW 05 to 15 in the north-east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : Anticyclonic 05 to 15 in the south at first, otherwise E to SE
15 to 25.
VIS : Good.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 15 to 25.
VIS : Good.
SEA STATE: 3.0m in the south-east in the first half of the period, with S
to SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : S to SE 15 to 25 over the eastern half, reaching 30 in the
south-east at first, and N to NE 15 to 25 over the western
half, reaching 30 in the south-west towards the end of the
period.
VIS : Good but moderate in showers and rain in the east at first,
but over the south-west during the second half of the period.
SEA STATE: 3.0 to 3.5m in the south-east at first, with W to SW swell but
over the south-west towards the end of the period, with N
swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : W to SW 15 to 25 in the western half, reaching 30 in the
south-west, elsewhere S to SE 10 to 15. It will become SW 30
to 40 over the central parts, spreading to the north-east.
VIS : Moderate in showers and rain in the western half, spreading to
the eastern parts during the second half of the period.
SEA STATE: 3.0 to 3.5m except in the north-west, reaching 4.0m in the
south-east at first, with W to SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : N to NW 15 to 25 but SE 10 to 20 in the south-west and central
south, becoming E to NE 10 to 20 in the north-west and central
parts towards the end of the period.
VIS : Moderate in showers and rain in the southern parts.
SEA STATE: 3.0 to 4.0m except in the north-east, reaching 4.5 to 5.0m
in the central south and south-east, with W to SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : S to SE 10 to 15 in the extreme south-west at first,
otherwise, N to NE 15 to 25.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the south-west, with SW swell.
MOZAMBIQUE CHANNEL:
WIND : E to NE 05 to 15 in the south-west, otherwise S to SW 05 to 15.
VIS : Good.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to SE 15 to 25, but E to NE 10 to 20 in the south.
VIS : Moderate in showers and rain in places.
SEA STATE: 3.0 to 3.5m except in the south, with E to SE swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : SW 10 to 15 in the extreme north-west, but NW 15 to 25 in the
extreme north-east at first; otherwise W to SW 25 to 30,
reaching 35 to 40 in the south-east until mid-period. It will
become NW 30 to 40 over the south-west towards the end of the
period.
VIS : Moderate in showers and rain, except in the west, with snow
showers in the south-west.
SEA STATE: 3.5 to 4.5m in the north-east, otherwise 5.0 to 6.0m, reaching
7.0 to 9.0m in the west, spreading to the central towards mid-
period, with W to NW swell but SW swell in the west towards
mid-period.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA
ACK (AMSTERDAM-CROZET-KERGUELEN)
26/09/01 AT 1600UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40%
STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- GALE TO SEVERE GALE EXPECTED OVER SOUTHERN CRO SOON.
PART 2: GENERAL SYNOPSIS, 26/09/01 AT 1200UTC
- LOW 1006 NEAR 44S/72E, EXPECTED 997 NEAR 45S/83E AT 00UTC.
ASSOCIATED COLD FRONT SPREADING TO NW.- HIGH 1034 HPA NEAR 31S/71E,
SLOW-MOVING.- COLD FRONT AXIS NW/SE EXPECTED OVER WESTERN OF CRO
SOON, MOVING EASTNORTHEASTWARD.
PART 3: FORECAST FOR 24 HOURS FROM 26/09/01 AT 1800UTC TO 26/09/02
AT 1800UTC
WAM (30S/40S, 50E/65E)
SCATTERED SHOWERS.WIND : NW 4 OR 5, LOCALLY 3 OVER FAR NORTHERN.SEA :
MODERATE, LOCALLY ROUGH OVER SOUTHERN.VISI : POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
SCATTERED SHOWERS.WIND : NW 4 OR 5, LOCALLY 6 WITH GUSTS OVER FAR
SOUTHERN, BUT ANTICLOCKWISE 2 TO 3 OVER FAR NORTHERN.SEA : MODERATE
TO VERY ROUGH FROM NORTH TO SOUTH, BECOMING MODERATE OR ROUGH AT END.
SW SWELL 2 METERS AND A HALF TO 3 METERS, DECREASING.VISI : POOR IN
PRECIPITATION.
CRO (40S/50S, 50E/65E)
FRONTAL RAIN AND SHOWERS.WIND : OVER NORTHERN : NW 4 OR 5, INCREASING
6 OR 7 SOON, BACKING SW 5 OR 6 BEHIND THE FRONT LATER. GUSTS.OVER
SOUTHERN : NW 7 OR 8, LOCALLY 9 OVER FAR SOUTHERN AT FIRST, BECOMING
W LATER, DECREASING SW 5 OR 6 FROM WEST AT END. SEVERE GUSTS.SEA :
ROUGH TO VERY ROUGH, BECOMING HIGH OVER SOUTHERN SOON. W SWELL 3 TO 5
METERS OVER SOUTHERN LATER.VISI : POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
FRONTAL RAIN AND SHOWERS.WIND : OVER NORTHERN : NW 5 OR 6 AHEAD THE
FRONT, SW 4 OR 5 BEHIND, INCREASING NW 5 OR 6 FROM WEST LATER,
LOCALLY 7 JUST AHEAD THE FRONT. GUSTS.OVER SOUTHERN : S 3 OR 4 OVER
EASTERN, W 4 OR 5 OVER WESTERN, INCREASING NW 6 OR 7 AHEAD THE FRONT
LATER, BACKING W OR SW 6 OR 7 BEHIND THE FRONT. GUSTS.SEA : ROUGH OR
VERY ROUGH. SW SWELL 3 OR 4 METERS OVER EASTERN AT FIRST,
DECREASING.VISI : POOR OR VERY POOR IN PRECIPITATION.=