WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
01st OF SEPTEMBER 2026 AT 13:30 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
during the second half of the period.
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:
=======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
26/09/01 AT 0600UTC
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 FORECASTED OVER KER AND CRO.
PART 2: GENERAL SYNOPSIS, 26/09/01 AT 0000UTC
- WAVING FRONT AXIS 33S/50E, 40S/57E, 43S/65E, 42S/73E, WITH A DEEPENING LOW FORECAST TO REACH 1000 HPA NEAR KER- HIGH 1035 HPA CENTERED 32S/70E, SLOW-MOVING.- COLD FRONT COLD FRONT CENTERED AT 43S44E, 50S46E, 57S42E, FORECAST FOR SOUTHWESTERN CRO.
PART 3: FORECAST FOR 24 HOURS FROM 26/09/01 AT 0600UTC TO 26/09/02 AT 0600UTC
WAM (30S/40S, 50E/65E)
FRONTAL RAIN, SHOWERS AND SQUALLS, GRADUALLY EASING
WIND: NORTH TO NORTHWEST 4 TO 6, LOCALLY 7 WITH GUSTS IN THE SOUTHEASTERN
PART OF THE AREA AT FIRST, BECOMING VARIABLE 2 TO 3 IN THE
SOUTHWESTERN PART OF THE AREA.
SEA : MODERATE TO ROUGH FROM NORTH TO SOUTH, LOCALLY VERY ROUGH IN THE
SOUTHEAST AT FIRST.
VIS : POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
SHOWERS BECOMING MORE FREQUENT IN THE SOUTHWEST.
WIND: CLOCKWISE 2 TO 3 IN THE NORTH; NORTHWEST 4 TO 6 ELSEWHERE, LOCALLY
7 IN THE SOUTH, BECOMING VARIABLE 2 TO 4 IN THE SOUTHWEST AT
END.
SEA : MODERATE TO ROUGH FROM NORTH TO SOUTH, OCCASIONALLY VERY ROUGH IN
THE FAR SOUTH. SOUTHWEST SWELL FROM 2 TO 3 METERS.
VIS : POOR IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
FREQUENT SHOWERS IN THE NORTHEAST MOVING EASTWARD; SHOWERS BECOMING MORE FREQUENT IN THE SOUTHWEST.
WIND: WEST 3 TO 5; NORTHWEST 6/7 IN THE NORTHEAST EARLY IN THE PERIOD,
AND NORTHWEST 6/7, OCCASIONALLY 8, SPREADING ACROSS THE REGION FROM
THE SOUTHWEST, LOCALLY 9 IN THE FAR SOUTH WITH STRONG GUSTS.
SEA : ROUGH TO VERY ROUGH, LOCALLY HIGH IN THE SOUTH. SOUTHWEST SWELL
FROM 2 TO 4 METERS AT FIRST.
VIS : POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
FRONTAL RAIN AND SHOWERS.
WIND: NORTHWEST TO WEST 3 TO 4 IN THE SOUTH, LOCALLY VARIABLE; NORTHWEST
TO WEST 5 TO 7 IN THE NORTH INCREASING LOCALLY TO 8 TO 9 IN THE
EAST WITH GUSTS.
SEA : VERY ROUGH TO ROUGH, LOCALLY HIGH IN THE EAST. SOUTHWEST SWELL
FROM 3 TO 5 METERS.
VIS : POOR OR VERY POOR IN PRECIPITATION.