WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
03rd OF OCTOBER 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: W to NW 35 to 40 over the central parts, and the south-
east, otherwise W to SW 35 in the south-west while reaching
40 and spreading to the south-east from mid-period.
2. CAPE WEST: NW to W 35 in the south by mid-period.
3. MARION FORTIES EAST: SW to S 35 in the south-east and south-west from
mid-period.
SYNOPTIC CHART 06:00Z
=====================
High 1038 hPa 36s55e, High 1032 hPa 35s07e.
Low 1018 hPa 22s39e. Low 965 hPa 47s20w.
1. Cold Front: 26s26w 32s19w 40s13w 48s13w into 47s20w
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 15 to 25.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 05 to 15 but SW 05 to 10 in the east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : Variable 05 to 10 over the central parts, otherwise SE 15 to
25, but S to SW 05 to 15 in the south.
VIS : Good but moderate in showers and light rain over the extreme
south-west.
SEA STATE: 3.0 to 3.5m in the extreme south-west, with SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 15 to 25 but 30 in the east moderating from mid-
Period.
VIS : Good.
SEA STATE: 3.0m in the east until mid-period, with S to SE swell.
TRISTAN (30S/40S, 00E/20W):
WIND : W to NW 30 to 40 over the central parts, and the south-east,
otherwise W to SW 25 to 35 in the south-west reaching 40 while
spreading to the south-east from mid-period.
VIS : Good but moderate to poor in showers and rain in the east and
the southern parts.
SEA STATE: 3.0 to 4.0m in the west and southern parts, reaching 5.0 to
6.0m in the central, but 7.5 to 8.5m in the south-west, with
W to NW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : S to SW 05 to 10 in the north-east, otherwise NW to W 15 but
30 to 35 in the south by mid-period.
VIS : Good, but moderate in showers and rain in the south-west
spreading to the south-east from mid-period.
SEA STATE: 3.0 to 4.0m in the south-west from the evening, with W to SW
swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : Variable 05 to 10 in the east, otherwise E to NE 20 to 30, but
SE 10 to 20 in the south-east.
VIS : Good but moderate to poor in showers and thundershowers in the
north-west, across to the central parts and the south-east.
SEA STATE: 3.0 to 3.5m in the western parts, with W to NW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : E to NE 15 to 25 over the central and the east, otherwise SE
to S 05 to 15, but cyclonic 05 to 10 in the north-west.
VIS : Good but moderate to poor in showers and thundershowers in the
North-western parts.
SEA STATE: 3.0 to 3.5m in the east and central parts, with E to SE swell.
MOZAMBIQUE CHANNEL:
WIND : SE 05 to 10 in the north-east from mid-period, otherwise
variable 05 to 10, but NW 05 to 15 in the south.
VIS : Good but moderate to poor in showers and thundershowers over
the southern-half clearing towards the end of the period.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to SE 10 to 20, reaching 25 in the extreme north-west.
VIS : Moderate to poor in showers and thundershowers over the south
and western parts.
SEA STATE: 3.0m in the extreme south-east at first, with E to SE swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : W to NW 15 to 25 in the north-east, otherwise SW to S 15 to 25
reaching 30 to 35 in the south-east and south-west from mid-
period.
VIS : Good but moderate in showers and rain in the north-east,
but snow-showers in the south-east clearing by the end of the
period.
SEA STATE: 3.0 to 4.0m reaching 5.0 to 6.0m in the southern parts, with W
to NW swell.
AREA 2:
======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
26/10/03 AT 0400UTC
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 CONTINUING OR EXPECTED OVER KER.
PART 2: GENERAL SYNOPSIS, 26/10/03 AT 0000UTC
- SHALLOW THUNDERY LOW 1019 NEAR 29S/70E, DEEPENING A LITTLE WITH
LITTLE CHANGE.
- FRESH OR STRONG WESTERLY FLOW PREVAILING IN SOUTHERN
PART OF BASIN, LOCALLY VERY STRONG OVER KER.
- HIGH 1036 OVER WAM NEAR
36S/55E, WITH ASSOCIATED RIDGE TO SOUTH OF AMS.
PART 3: FORECAST FOR 24 HOURS FROM 26/10/03 AT 0600UTC TO 26/10/04 AT
0600UTC
WAM (30S/40S, 50E/65E)
SCATTERED SHOWERS.
WIND: ANTICLOCKWISE 3 OR 4, BUT SOUTHEAST 5 OR 6 IN FAR NORTHEAST,
INCREASING NORTHWEST 4 OR 5 AT END IN FAR SOUTH.
SEA : MODERATE OR ROUGH.
VIS : MODERATE IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
RAIN OR SCATTERED SHOWERS IN NORTH. THUNDERSQUALLS IN NORTH.
WIND: ANTICLOCKWISE 2 TO 4, BUT EASTERLY 5 OR 6, AT TIMES 7, IN FAR NORTH
WITH GUSTS.
SEA : ROUGH IN SSW SWELL, LOCALLY VEY ROUGH AND CROSSED FAR NORTH.
VIS : POOR IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
FRONTAL RAIN OR SHOWERS.
WIND: WESTERLY 5 OR 6, AT TIMES 7. GUSTS.
SEA:MODERATE OR ROUGH, BUT VERY ROUGH IN SOUTH. SW SWELL 5 M IN SOUTH
LATER.
VIS: POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
SCATTERED RAIN OR SHOWERS IN SOUTH.
WIND: WESTERLY 5 OR 6, BUT LOCALLY 7 OR 8, AT TIMES 9, IN SOUTHEAST. SEVERE
GUSTS.
SEA : ROUGH OR VERY ROUGH, LOCALLY HIGH IN SOUTHEAST. SW SWELL 5 TO 6.5 M
IN SOUTH AT END.
VIS : POOR IN PRECIPITATION.=