WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
28th OF OCTOBER 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 282200 TO 292200 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:
====================
Nil.
SYNOPTIC CHART 12:00Z
=====================
High 1022 hPa 40s20e, High 1028 hPa 37s73e,
Low 998 hPa 43s03w, Low 960 hPa 60s24e, Low 1008 hPa 33s51e,
1. Cold front: 40s30e 46s35e 52s40e 68s27e into 60s24e.
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 05 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : SW 05 to 15 in the east, otherwise SE to E 05 to 15.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : SW 15 to 25 in the south-east at first otherwise Anticyclonic
05 to 15.
VIS : Good but moderate in showers and thundershowers in the central
and southern parts until mid-period.
SEA STATE: 3.5 to 4.5m in the south at first, with SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : Anticyclonic 05 to 15 in the south-west, otherwise S to SE 15
to 25 reaching 30 in south-east at times.
VIS : Good.
TRISTAN (30S/40S, 00E/20W):
WIND : W to SW 15 to 25 reaching 30 in the south but Anticyclonic 05
to 15 in the north.
VIS : Good but moderate in showers and thundershowers in the east
until mid-period.
SEA STATE: 3.5 to 4.5m reaching 5.0 to 5.5m in the south, with W to SW
Swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : SE 10 to 20 in the north-east otherwise Anticyclonic 05 to 15
but W to NW 15 to 25 in the west spreading to the south-east
from mid-period.
VIS : Good but moderate in showers and rain in the west and south-
west until mid-period.
SEA STATE: 3.0 to 4.0m reaching 4.5 to 5.0m in the south-west at first,
with W to SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : S to SE 15 to 25 in the east otherwise Anticyclonic 05 to 15
but NE to E 15 to 25 in the north-west.
VIS : Good but moderate in showers and thundershowers in the east
and in places in the south at first.
SEA STATE: 3.0 to 4.0m in the west, with S to SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : NW 20 to 30 in the extreme east until mid-period otherwise S
to SE 15 to 25 but E to NE 05 to 15 in the south-west reaching
20 to 25.
VIS : Good in the west otherwise moderate in thundershowers and
showers.
SEA STATE: 3.0m in the extreme east until mid-period, with NW swell.
MOZAMBIQUE CHANNEL:
WIND : N to NW 10 to 20 in the extreme north otherwise S to SE 10 to
20 reaching 25 in places.
VIS : Good but moderate in showers and thundershowers in the
southern and central parts.
SEA STATE: 3.0m except in the extreme north, with SE swell.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to NE 10 to 20 but Cyclonic 15 to 25 in the south.
VIS : Good but moderate in showers and thundershowers in the
central and southern parts.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : SE to E 15 to 25 in the north-east at first, otherwise
Anticyclonic 05 to 15 but NW to W 15 to 25 reaching 30 in the
south.
VIS : Good, but moderate in showers and rain in the south-east and
north-west at first spreading to the south-west by the end of
the period.
SEA STATE: 3.5 to 4.5m in the west and south reaching 5.0m in the south-
west, with W to SW swell.
AREA 2:
======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
2026/10/28 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 WAM AND NORTH CRO.
PART 2: GENERAL SYNOPSIS, 26/10/28 AT 0000UTC
- HIGH 1032 HPA NEAR 38S/70E, EXPECTED 1033 HPA NEAR 36S/75E AT END.- COLD FRONT (CF) AXIS 33S/50E, 35S/58E, 37S/59E, 40S/57E, MOVING SLOWLY EASTWARD, WITH FORMATION OF RAPIDLY DEEPENING LOW, EXPECTED
991 HPA NEAR 41S/55E AT END.
PART 3: FORECAST FOR 24 HOURS FROM 26/10/28 AT 0600UTC TO 26/10/29 AT 0600UTC
WAM (30S/40S, 50E/65E)
FRONTAL RAIN, THUNDERY SHOWERS AND SQUALLS UNDER CF.
WIND: NORTHERLY TO NE 6 TO 7 AHEAD CF, BECOMING TEMPORARILY VARIABLE 3 TO
4 BEHIND, THEN BECOMING CLOCKWISE 7/8 LATER. VIOLENT GUSTS.
SEA : MODERATE TO ROUGH, BECOMING VERY ROUGH LATER NEAR THE LOW.
VIS : VERY POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
SCATTERED SHOWERS.
WIND: ANTICLOCKWISE 2/4, INCREASING NORTHERLY 5/6 OVER SOUTHWESTERN SOON.
SEA : ROUGH, BECOMING MODERATE FROM WEST. SOUTHWEST SWELL OF 2 TO 3
METERS, ABATING.
VIS : MODERATE IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
FRONTAL RAIN, SHOWERS AND SQUALLS OVER NORTHERN AREA.
WIND: NORTHERN HALF: EASTERLY 5 TO 6 BECOMING CLOCKWISE 7/8 LATER.-
SOUTHERN HALF: EASTERLY 3/4 IN NORTHERN AND WESTERLY 4/5 IN
SOUTHERN.
SEA : MODERATE TO ROUGH, BECOMING VERY ROUGH TO HIGH NEAR THE LOW.
SOUTHWESTERLY SWELL 2/3 METERS, BUT NORTHERLY TO NORTHEASTERLY
SWELL 2/3 METERS IN NORTHERN.
VIS : VERY POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
SCATTERED SHOWERS.
WIND: SOUTHWESTERLY, 3 TO 7 FROM NORTHWEST TO SOUTHEAST, BUT VARIABLE
ANTICLOCKWISE 2/4 IN THE NORTHWEST AT FIRST. INCREASING NORTHERLY
5/6 IN THE NORTHWEST AT END.
SEA : MODERATE TO ROUGH IN THE NORTHWESTERN HALF AND ROUGH TO VERY ROUGH
IN THE SOUTHEASTERN HALF. SOUTHWESTERLY SWELL, 2/4 METERS, LOCALLY
4/5 IN SOUTHEASTERN.
VIS : MODERATE IN PRECIPITATION.=