WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
09th OF NOVEMBER 2026 AT 08:30 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:
=======
FORECAST VALID FROM 091000 TO 101000 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: W to NW 35 in the north until mid-period.
2. CAPE EAST: N to NE 35 in the extreme north-west until mid-period.
3. DURBAN EAST: E to SE 35 in the central.
4. MOZAMBIQUE CHANNEL: S to SW 35 in the extreme south-west until mid-
period.
5. MARION FORTIES EAST: W to NW 35 in the extreme south.
SYNOPTIC CHART 06:00Z
=====================
High 1026 hPa 29s04e, High 1038 hPa 38s38e.
Low 1002 hPa 33s17w.
1. Cold Front : 19s33w 24s26w 29s19w into 33s17w.
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 10 to 20.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 05 to 15, but SW 05 to 15 in east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : Anticyclonic 05 to 15, but N to NW 20 to 30 in the south-west,
spreading to the central south by mid-period, when it will
become S to SW 05 to 15 in the extreme south-west.
VIS : Good but moderate to poor in showers and rain in the south-
west.
SEA STATE: 3.0 to 3.5m in the south-west, with NW swell, becoming W swell
from mid-period.
TRADES (15S/30S, 00E/WEST COAST):
WIND : Anticyclonic 05 to 10 in the south-west, otherwise S to SE 10
to 20, reaching 25 in the extreme east.
VIS : Good.
TRISTAN (30S/40S, 00E/20W):
WIND : W to NW 20 to 30 reaching 35 in the north until mid-period,
but variable 05 in the south-west, spreading to the extreme
south-east in the first half of the period. It will become S
to SW 15 to 25 in the west from mid-period, reaching 30 in the
north-west.
VIS : Good but moderate in showers and thundershowers, except in the
north-east.
SEA STATE: 3.0 to 4.0m, except in the extreme south-west and extreme
north-east, with W to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : S to SE 15 to 25 in the north-east, otherwise W to NW 20 to
30.
VIS : Good but moderate in showers and rain in the south-west,
spreading to the extreme south-east during the second half of
the period.
SEA STATE: 3.0 to 4.0m in the south-west, spreading to extreme south-east
during the second half of the period, with W to NW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : N to NE 20 to 30 in the west, reaching 35 in the extreme
north-west until mid-period, otherwise anticyclonic 05 to 15,
but E to SE 15 to 25 in the north-east. It will become W to SW
05 to 15 in the extreme west from mid-period.
VIS : Good, becoming moderate in showers and rain in the south-west
from mid-period.
SEA STATE: 3.0 to 4.0m reaching 4.5 to 5.0m in the east until mid-period,
with S to SW swell but NE swell in the west.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : NE 20 to 30 in the extreme south-west and north-east,
otherwise E to SE 20 to 30 reaching 35 in the central.
VIS : Good in the south-west and north-east as well as over the
extreme south during the second half of the period, otherwise
moderate to poor in showers and thundershowers.
SEA STATE: 3.0 to 4.0m, except in the north-east, reaching 5.0 to 6.0m in
the central parts, with S to SE swell, but NE in the extreme
south-west from mid-period.
MOZAMBIQUE CHANNEL:
WIND : S to SW 15 to 25, reaching 30 to 35 in the extreme south-west,
becoming variable 05 to 10 in the extreme east from mid-
period.
VIS : Good but moderate to poor in showers and thundershowers in the
south and north-east.
SEA STATE: 3.0 to 4.0m in the south, reaching 4.5 to 5.0m in the south-
west, with S swell.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to SE 05 to 15, but NE 15 to 25 in the extreme south-west.
VIS : Good but moderate in showers and rain.
SEA STATE: 3.0m in the extreme south-west towards end of the period, with
S swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : SW 05 to 15 in the north-east until mid-period, otherwise W to
NW 20 to 30, reaching 35 in the extreme south.
VIS : Good but moderate to poor in showers and rain, except in the
north-east.
SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.0m in the east and extreme
south, with W to SW swell.
AREA 2:
======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
26/11/09 AT 0500UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- GALE EXPECTED OVER CRO.
PART 2: GENERAL SYNOPSIS, 26/11/09 AT 0000UTC
- LOW 952 NEAR 58S/72E, MOVING EASTSOUTHEASTWARD.
- COLD FRONT CF 30S/45E, 31S/50E, 34S/60E, 37S/65E, 40S/70E, 45S/80E, 48S/90E.
- HIGH 1037 NEAR 38S/36E, SLOW-MOVING EASTWARD.
PART 3: FORECAST FOR 24 HOURS FROM 26/11/09 AT 0600UTC TO 26/11/10 AT 0600UTC
WAM (30S/40S, 50E/65E)
RAIN OVER NORTHERN.
WIND: SOUTHERLY 4/6 BECOMING ANTICLOCKWISE 2/4 OVER SOUTHERN.
SEA: BECOMING ROUGH TO VERY ROUGH BY SW SWELL 3 TO 5M.
VIS: POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
RAIN (CF).
WIND: NW 4/6 AHEAD FRONT BACKING S 4/6 BEHIND.
SEA: SLIGHT TO MODERATE OVER NORTHERN, BECOMING ROUGH TO VERY ROUGH OVER
SOUTHERN BY SW SWELL 3 TO 5 M AT END.
VIS: POOR IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
SCATTERED SHOWERS.
WIND: SW 6/7 DECREASING W 4/6 SOON THEN INCREASING W TO NW 7/8 OVER
SOUTHERN AT END.
SEA: VERY ROUGH TO HIGH BECOMING ROUGH OVER NORTHWESTERN AT END. SW
SWELL 4 TO 6 M DECREASING AT END.
VIS: GOOD OR MODERATE.
KER (40S/50S, 65E/80E)
RAIN (CF) OVER NORTHEASTERN AT FIRST, SCATTERED SHOWERS.
WIND: WESTERLY 6/7 DECREASING 4/6 AT END.
SEA: VERY ROUGH TO HIGH. SW SWELL 2 TO 4 M INCREASING 4 TO 6 M AT END.
VIS: POOR IN PRECIPITATION.=