WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
28th 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:
=======
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)
26/10/28 AT 1600UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40%
STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- GALE FORCE 8 OVER WAM AND CRO.
PART 2: GENERAL SYNOPSIS, 26/10/28 AT 1200UTC
- HIGH 1032 HPA NEAR 37S/73E, EXPECTED 1034 HPA NEAR 33S/78E AT END.-
COLD FRONT (CF) AXIS 26S/41E, 31S/49E, 39S/58E, MOVING SLOWLY
EASTWARD, WITH FORMATION OF RAPIDLY DEEPENING LOW, EXPECTED 997 HPA
NEAR 41S/58E AT END.
PART 3: FORECAST FOR 24 HOURS FROM 26/10/28 AT 1800UTC TO 26/10/29
AT 1800UTC
WAM (30S/40S, 50E/65E)
FRONTAL RAIN, THUNDERY SHOWERS AND SQUALLS UNDER CF.WIND: NORTHERLY
6/7 LOCALLY 8 AHEAD CF, BECOMING TEMPORARILY VARIABLE 3 TO 4 BEHIND,
THEN BECOMING CLOCKWISE 6/7 LOCALLY 8 OVER SOUTHERN LATER. VIOLENT
GUSTS.SEA: MODERATE TO ROUGH, BUT VERY ROUGH ASSOCIATED WITH NE SWELL
3 TO 4 METERS NEAR THE LOW.VISI: VERY POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
SCATTERED SHOWERS.WIND: ANTICLOCKWISE 2/4, INCREASING NORTHERLY 5/6
OVER WESTERN AT FIRST THEN INCREASING 6/7 AT END.SEA: MODERATE TO
ROUGH.VISI : MODERATE IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
FRONTAL RAIN, SHOWERS AND SQUALLS UNDER CF.WIND: EASTERLY 6/7
BECOMING CLOCKWISE 7/8 FROM THE NORTH AT FIRST.VIOLENT GUSTS.SEA:
MODERATE TO ROUGH, BECOMING VERY ROUGH TO HIGH NEAR THE LOW. SW SWELL
2/3 METERS, BUT N TO NE SWELL 2/3 METERS IN NORTHERN.VISI: VERY POOR
IN PRECIPITATION.
KER (40S/50S, 65E/80E)
SCATTERED SHOWERS THEN FRONTAL RAIN, SHOWERS AND SQUALLS UNDER CF
OVER WESTERN AT END.WIND: WESTERLY, 5/6 TEMPORARILY 7 AT FIRST OVER
SOUTHEASTERN THEN NORTHERLY 5/6 INCREASING 6/7 FROM THE NORTHWEST
LATER. SEVERE GUSTS.SEA: MODERATE TO ROUGH IN THE NORTHWESTERN HALF
AND ROUGH TO VERY ROUGH IN THE SOUTHEASTERN HALF. SW SWELL, 2/4
METERS, LOCALLY 4/5 IN SOUTHEASTERN.VISI : VERY POOR IN
PRECIPITATION.=