WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
03RD 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:
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FORECAST VALID FROM 031000 TO 041000 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: Cyclonic 35 in the east at first.
2. MARION FORTIES EAST: W to SW 35 in the south-west spreading to the
south-east from mid-period.
SYNOPTIC CHART 06:00Z
=====================
High 1022 hPa 33s28w, High 1018 hPa 35s35e.
Low 1000 hPa 36s03w
1. Cold Front : 23s09w 30s01w 36s07w 40s00w into 36s03w.
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : S to SE 05 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : SW 05 to 15 in the east, otherwise S to SE 05 to 15.
VIS : Good, but moderate in showers and thundershowers in the
extreme north-east at times.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 10 to 20 in the north but W to SW 15 to 25 in the
south-east , otherwise SE to S 05 to 15 becoming Anticyclonic
05 to 15 in the south-west towards mid-period spreading to the
central and south-east by the end of the period.
VIS : Good but moderate in showers and rain in the central west.
SEA STATE: 3.0 to 4.0m in the south with W to SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : W to SW 15 to 25 in the extreme south-west, otherwise S to SE
05 to 15 reaching 20 in the south-east.
VIS : Good.
SEA STATE: 3.0 to 4.0m in the south-west from mid-period, with SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : Cyclonic 15 to 25, reaching 30 to 35 in the east at first but
Anticyclonic 05 to 15 in the extreme west, spreading to the
central parts from mid-period.
VIS : Good but moderate in showers and rain in the east spreading to
the west from mid-period.
SEA STATE: 3.0 to 4.0m in the east reaching 5.0 to 6.0m in the north-east
until mid-period, with W to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : Variable 05 to 15 in the east but SE 05 to 15 in the north-
east otherwise cyclonic 15 to 25 reaching 30 in places.
VIS : Good in the north-east otherwise moderate in showers and
thundershowers.
SEA STATE: 3.0 to 4.0m in the south and west reaching 5.0 to 6.0m in the
north-west towards mid-period, with W to NW swell but SW swell
in the south-east.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : W to SW 10 to 20 in places in the south otherwise Anticyclonic
05 to 15 but NE 10 to 20 in the extreme north-west becoming NW
to N 15 to 25 in the west from mid-period.
VIS : Good but moderate in showers and thundershowers in the extreme
east and central parts spreading to the south-west from mid-
period.
SEA STATE: 3.0m in the south, with SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : NE 10 to 20 in the extreme west, otherwise SE to E 10 to 20
but variable 05 to 10 in the east until mid-period.
VIS : Good but moderate in showers and thundershowers in the west
and south-east.
MOZAMBIQUE CHANNEL:
WIND : S to SE 10 to 20 but variable 05 to 10 in the north.
VIS : Good, but moderate in showers and thundershowers in the
extreme north-east from mid-period.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : NE 05 to 15 in the south until mid-period, otherwise SE 05 to
15.
VIS : Good but moderate in showers and rain in the south-west.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : NW 20 to 30 in the west drifting to the east towards mid-
period, otherwise W to SW 20 to 30 reaching 35 in the south-
west spreading to the south-east from mid-period becoming
Anticyclonic 05 to 15 in the north from mid-period.
VIS : Good but moderate in showers and rain in the west and south-
west spreading to the north-east from mid-period, while
clearing in the west.
SEA STATE: 3.0 to 4.0m reaching 5.0 to 6.0m in the south-west spreading
to the south-east from mid-period, 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)
2026/11/03 AT 0600UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- GALE FORCE 8 EXPECTED OVER CRO.
PART 2: GENERAL SYNOPSIS, 26/11/03 AT 0000UTC
- LOW-PRESSURE SYSTEM AT 987 HPA NEAR 50S/81E WITH A COLD FRONT AXIS 41S/70E, 44S/75E AND 48S/79E, MOVING EASTWARDS.- A LOW-PRESSURE SYSTEM OF 1011 HPA DEEPENING NEAR 38S/55E, EXPECTED 1008 HPA NEAR 40S/67E AT 06UTC ON 4 NOVEMBER.
PART 3: FORECAST FOR 24 HOURS FROM 26/11/03 AT 0600UTC TO 26/11/04 AT 0600UTC
WAM (30S/40S, 50E/65E)
SHOWERS AND SQUALLS BECOMING MORE FREQUENT AS THE LOW-PRESSURE SYSTEM DEEPENS.
WIND : CLOCKWISE 3/4 INCREASING SOUTHERLY-SOUTH-EASTERLY WIND,
STRENGTHENING TO 5/6 BY THE END OF THE FORECAST PERIOD.
SEA : MODERATE TO ROUGH. SOUTH-WESTERLY SWELL OF 2 TO 3 M.
VIS : POOR DURING RAINFALL.
AMS (30S/40S, 65E/80E)
SHOWERS AND FRONTAL RAIN BECOMING MORE FREQUENT OVER WESTERN REGION.
WIND : NORTH-WESTERLY, FORCE 4 TO 6 FROM NORTH TO SOUTH, BECOMING A LOW-
PRESSURE SYSTEM WITH WINDS OF FORCE 3 TO 5 IN THE WESTERN REGION.
SEA : MODERATE TO ROUGH. SOUTH-WESTERLY SWELL OF 2 TO
3 M, SUBSIDING.
VIS : POOR DURING RAINFALL.
CRO (40S/50S, 50E/65E)
SCATTERED SHOWERS WILL BECOME MORE FREQUENT OVER SOUTHERN AREAS AS A NEW FRONT MOVES IN TOWARDS THE END OF THE FORECAST PERIOD.
WIND : ANTICLOCKWISE FORCE 2 TO 4 OVER NORTHERN AREAS; INCREASING NORTH-
WESTERLY FORCE 5/6 OVER SOUTHERN AREAS, TEMPORARILY EASTERLY FORCE
7/8 BEHIND A NEW FRONT TOWARDS THE END OF THE FORECAST PERIOD.
SEA : MODERATE TO ROUGH FROM NORTH TO SOUTH. A WESTERLY SWELL OF 2 TO 3
M, ABATING.
VIS : POOR TO VERY POOR DURING RAINFALL.
KER (40S/50S, 65E/80E)
FRONTAL SHOWERS AND SQUALLS WITH A COLD FRONT MOVING EASTWARDS.
WIND : NORTH-WESTERLY 4 TO 6 AHEAD OF THE FRONT, VEERING SOUTH-WESTERLY 5
TO 6, LOCALLY 7 BEHIND THE FRONT, THEN ANTICYCLONIC 3 TO 4 IN
DAYTIME.
SEA : MODERATE TO ROUGH. SWELL FROM THE WEST TO SOUTH-WEST, 2 TO 3 M,
ABATING.
VIS : POOR TO VERY POOR DURING PRECIPITATION.