WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
15th OF OCTOBER 2026 AT 17:00 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 152200 TO 162200 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 EAST: NW 35 in the south-west until mid-period.
2. MARION FORTIES EAST: W to NW 35 in places in the west towards the end
of the period.
SYNOPTIC CHART 12:00Z
=====================
High 1018 hPa 23s04e, High 1027 hPa 30s57e.
Low 985 hPa 45s00w, Low 949 hPa 57s42e, Low 1015 hPa 32s31e.
1. Cold front: 36s18w 36s11w 38s04w 41s00e into 45s00w.
2. Cold Front: 32s05e 36s16e 40s32e 47s44e 54s48e 59s47e into 57s42e.
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 10 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 10 to 15 but W to SW 05 to 15 in the east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : NW 10 to 20 the central parts, otherwise anticyclonic 05 to 15
but S to SE 05 to 15 in the south, reaching 20 to 25 in the
south-west towards the end of the period.
VIS : Good, but moderate in showers and rain in the south.
SEA STATE: 3.0 to 3.5m in the extreme south-west towards mid-period,
with W to SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : Anticyclonic 05 to 15 in the central parts until mid-period,
otherwise S to SE 15 to 25 but NW 15 to 25 in the south-
central parts.
VIS : Good.
SEA STATE: 3.0m in places in south-west until mid-period, with SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : W to SW 15 to 15 in the south, otherwise S to SE 10 to 20
reaching 25 in the north-western parts. It will become
anticyclonic 05 to 15 in the west towards the end of the period.
VIS : Moderate in showers and rain in the south but poor at times in
the north-east, otherwise good.
SEA STATE: 3.0 to 4.0m, spreading to the north, reaching 4.5 to 5.5m in
the south by mid-period, with S to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : NW 15 to 25 in the central and east, reaching 30 in the south-
central at first but W to SW 20 to 30 in the west spreading to
the central towards mid-period and the east by the end of the
period.
VIS : Moderate to poor in showers and rain in the west across the
central to the south-east, otherwise good.
SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.5m in the south, with W to SW
swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : NW 15 to 25, reaching 30 to 35 in the south-west until mid-
period, otherwise E to NE 10 to 20. It will become W to SW 10
to 20 in the west towards the end of the period.
VIS : Good but moderate in rain in the south-west.
SEA STATE: 3.0 to 4.0m in the west, reaching 4.5 to 5.5m in the south-
west until mid-period, with W to NW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : E to NE 10 to 20 reaching 25 to 30 south of Madagascar.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the central north, with NE swell.
MOZAMBIQUE CHANNEL:
WIND : E to SE 05 to 15 but NE 05 to 10 in the south-west.
VIS : Good.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to SE 15 to 25 but NE 15 to 25 in the south-west.
VIS : Moderate in light rain in the north, otherwise good.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : S to SW 15 to 25 in the central and east, otherwise W to NW 15
to 25, reaching 30 to 35 in places in the west towards the end
of the period.
VIS : Good, becoming moderate to poor in showers and rain in the
west towards mid-period.
SEA STATE: 3.0 to 4.0m, except in the extreme north, reaching 4.5 to 5.5m
in the south-west.
AREA 2:
======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA
ACK (AMSTERDAM-CROZET-KERGUELEN)
26/10/15 AT 1600UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40%
STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- GALE EXPECTED OVER SOUTHERN CRO AND SOUTHERN KER.
PART 2: GENERAL SYNOPSIS, 26/10/15 AT 1200UTC
- COLD FRONT EXPECTED SOON OVER CRO, THEN OVER KER LATER.- HIGH 1027
NEAR 30S/58E, EXTENDING SOON OVER WESTERN THEN NORTHERN AMS.
PART 3: FORECAST FOR 24 HOURS FROM 26/10/15 AT 1800UTC TO 26/10/16
AT 1800UTC
WAM (30S/40S, 50E/65E)
SCATTERED SHOWERS OVER SOUTHERN. FEW SHOWERS OVER NORTHERN.WIND:
ANTICLOCKWISE 3 OR 4 OVER NORTHERN, W 4 OR 5 OVER SOUTHERN.SEA:
MODERATE OR ROUGH FROM NORTHWEST TO SOUTHEAST, DECREASING MODERATE
LATER. SW SWELL NEAR 3 METERS OVER EASTERN, ABATING.VISI: MODERATE IN
PRECIPITATION.
AMS (30S/40S, 65E/80E)
SCATERRED SHOWERS, THEN FRONTAL RAIN AND SHOWERS OVER FAR SOUTHERN AT
END.WIND: ANTICLOCKWISE 3 TO 5, BUT SW 5 OR 6, LOCALLY 7 AT FIRST
OVER SOUTHEASTERN, INCREASING FROM WEST NW 5 OR 6 OVER SOUTHERN
LATER. GUSTS.SEA: ROUGH OR VERY ROUGH FROM WEST TO EAST, BECOMING
ROUGH LATER. SW SWELL 4 OR 5 METERS ABATING.VISI: MODERATE OR POOR IN
PRECIPITATION.
CRO (40S/50S, 50E/65E)
FRONTAL RAIN OR SHOWERS, BECOMING LESS NUMEROUS LATER.WIND: OVER
NORTHERN : NW 5 OR 6, AT TIMES 7 NEAR THE FRONT, BACKING SW 5 OR 6
BEHIND THE FRONT, THEN NW 5 OR 6 AT END. GUSTS.OVER SOUTHERN : NW 6
OR 7, BACKING SW 6 OR 7, AT TIMES 8 BEHIND THE FRONT, DECREASING W 5
OR 6 LATER. SEVERE GUSTS.SEA: ROUGH, LOCALLY MODERATE OVER NORTHERN,
SOON BECOMING VERY ROUGH OVER FAR SOUTHERN. SW SWELL 3 TO 5 METERS
OVER FAR SOUTHERN LATER.VISI: POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
SCATTERED SHOWERS THEN FRONTAL RAIN OR SHOWERS LATER.WIND: SW 6 OR 7
OVER EASTERN AT FIRST, BUT NW 6 OR 7 OVER WESTERN AHEAD THE FRONT,
BACKING LATER SW 6 OR 7, AT TIMES 8 OVER SOUTHERN BEHIND THE FRONT,
DECREASING W 5 OR 6 AT END. SEVERE GUSTS.SEA: ROUGH OR VERY ROUGH. SW
SWELL 3 OR 4 METERS.VISI: POOR IN PRECIPITATION.=