WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
15TH OF JANUARY 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 WEST: W to NW 35 in the south by the end of the period.
2. MARION FORTIES EAST: S to SW 35 in the south-east until mid-period.
SYNOPTIC CHART 12:00Z
=====================
High 1028 hPa 37s15w, High 1024 hPa 35s62e
Low 996 hPa 50s47e, Low 984 hPa 60s44e
1. Cold Front: 36s31e 41s41e 47s44e into 50s47e
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 10 to 15.
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 : E to SE 10 to 20 reaching 25 in places in the south.
VIS : Good, but moderate in showers and rain in places in the south,
clearing from the south-east from mid-period.
SEA STATE: 3.0m in the south, subsiding by the end of the period, with SE
swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 10 to 20, reaching 25 to 30 in the south-east.
VIS : Good.
SEA STATE: 3.0 to 4.0m in the south, subsiding in the south-west by the end
of the period, with SE swell.
TRISTAN (30S/40S, 00E/20W):
WIND : SW 15 to 25 in the south-east, otherwise Anticyclonic 05 to 15.
VIS : Good.
SEA STATE: 3.0 to 4.0m in the south, subsiding from mid-period, with SE
swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : W to NW 15 to 25 in the south reaching 35 by the end of the
period, otherwise S to SE 05 to 15 reaching 20 to 30 in the
north-east.
VIS : Good, but moderate in showers and rain in the south, clearing
from the south-west from mid-period.
SEA STATE: 3.0 to 3.5m in the south and north-east, reaching 4.0 to 5.0m in
the extreme south by the end of the period, with S to SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : N to NW 10 to 20, but S to SE 05 to 15 in the north-west and
central parts where it will reach 20 to 30 until mid-period.
VIS : Good, but moderate to poor in showers and thundershowers in the
central and eastern parts, as well as in the west from mid-
period.
SEA STATE: 3.0 to 4.0m in the west and central parts, spreading to the east
from mid-period, while subsiding in the west, with S to SW swell
but SE swell in the north.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : S to SE 10 to 20 in the extreme west, otherwise N to NE 15 to 25
reaching 30 in places in the east, but variable 05 to 10 in the
central parts.
VIS : Moderate to poor in showers and thundershowers in places, but
good in places in the central parts.
SEA STATE: 3.0 to 3.5m, subsiding from mid-period, with N to NE swell, but
SE swell in the west.
MOZAMBIQUE CHANNEL:
WIND : NE to E 15 to 25 in the west, but variable 05 to 10 in the
east.
VIS : Good but moderate to poor in showers and thundershowers in
the south-western and eastern parts.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : NE to E 15 to 25 in the south, otherwise variable 05 to 10.
VIS : Moderate in showers and thundershowers in places.
SEA STATE: 3.0 to 3.5m in the south, subsiding by the end of the period,
with E to NE swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : S to SW 25 to 35 in the south-east until mid-period, otherwise
Anticyclonic 05 to 15, but SE 15 to 25 in the north.
VIS : Good, but moderate to poor in showers and thundershowers in the
north-east.
SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.0m in the south until 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)
26/01/15 AT 1600UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40%
STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- GALE OR STRONG GALE EXPECTED OVER SOUTHERN KER AT THE END.
PART 2: GENERAL SYNOPSIS, 26/01/15 AT 1200UTC
- HIGH 1027 OVER WAM .
- FRONTOLYSIS COLD FRONT OVER CRO AND KER.
PART 3: FORECAST FOR 24 HOURS FROM 26/01/15 AT 1800UTC TO 26/01/16
AT 1800UTC
WAM (30S/40S, 50E/65E)
WIND: ANTICLOCKWISE 2/4 AT TIME 5
SEA: MODERATE TO LOCALLY ROUGH. SLIGHT SW SWELL.
VISI: GOOD.
AMS (30S/40S, 65E/80E)
WIND: ANTICLOCKWISE 2 TO 4 INCREASING LOCALLY W 5/6 WITH GUSTS OVER
FAR SOUTHERN.
SEA: MODERATE TO ROUGH. SW SWELL 2 TO 3 M ABATING.
VISI: GOOD.
CRO (40S/50S, 50E/65E)
RAIN, SHOWERS AND SQUALLS.
WIND: NW TO W 5/6 LOCALLY 7, DECREASING ANTICLOCKWISE 2/4 BY WESTERN
AREA LATER. GUSTS.
SEA: ROUGH TO VERY ROUGH. W SWELL 2 TO 4 M.
VISI: POOR TO VERY POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
SHOWERS AND SQUALLS.
WIND: INCREASING W 5/6 IN NORTH, 7/8 LOCALLY 9 IN SOUTH. SEVERE
GUSTS.
SEA: ROUGH TO VERY ROUGH BECOMING VERY ROUGH TO HIGH OVER SOUTHERN
LATER. W TO SW SWELL 2 TO 4 M.
VISI: POOR TO VERY POOR IN PRECIPITATION.=