WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
25TH OF JANUARY 2026 AT 15:30 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 252200 TO 262200 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:
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1. DURBAN EAST: NE to E 35 to 40 in the south-west by mid-period.
SYNOPTIC CHART 12:00Z
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High 1023 hPa 28s21w, High 1020 hPa 35s41e
Low 951 hPa 62s25e
1. Cold Front: 38s24e 45s39e 50s43e into 62s25e
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 10 to 20.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 05 to 15, but SW 05 to 15 in the east.
VIS : Good, but moderate in showers and thundershowers in the
north-east at times.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 05 to 15, but variable 05 to 10 in the south-west, where
it will become W to SW 05 to 15 towards the end of the period.
VIS : Good, becoming moderate in showers and rain in the south-west
from mid-period.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 10 to 20.
VIS : Good.
TRISTAN (30S/40S, 00E/20W):
WIND : Anticyclonic 05 to 15 in the north-west, otherwise SW to W 10
to 20 reaching 25 in the south-east until mid-period. It will
become cyclonic 15 to 25 in the west towards mid-period.
VIS : Good, becoming moderate to poor in showers and thundershowers in
the western parts towards mid-period.
SEA STATE: 3.0 to 4.0m in the south-east, with SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : S to SE 10 to 20 in the north-east, otherwise SW to W 10 to 20
reaching 25 to 30 in the south, drifting to the south-east
towards the end of the period.
VIS : Good, but moderate in showers and rain in the west, drifting to
the south-east towards mid-period.
SEA STATE: 3.0 to 4.0m in the southern parts, with SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : Anticyclonic 05 to 15 in the east but S to SE 05 to 15 in the
extreme west, otherwise W to NW 10 to 20 reaching 25 to 30 in the
south-west but NE 25 to 30 in the north-west.
VIS : Good, becoming moderate in showers and rain in places over the
western parts, but poor in showers and thundershowers in the
southern parts.
SEA STATE: 3.0 to 3.5m in the western parts with S to SW swell, but with E
to NE swell in the north-west.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : S to SE 10 to 20 reaching 25 in the north, but NE to E 20 to 30
in the west, reaching 35 to 40 in the south-west by mid-period.
VIS : Good, but moderate to poor in showers and thundershowers in the
east and north-east.
SEA STATE: 3.0 to 3.5m in places until towards mid-period with S to SW
swell, but with E to NE swell in the south-west.
MOZAMBIQUE CHANNEL:
WIND : NW to W 10 to 20 in the north, otherwise S to SE 10 to 20
reaching 25 to 30 in the south-east, but E to NE 05 to 15 in the
extreme south-west.
VIS : Good, but moderate to poor in showers and thundershowers in the
northern and central parts.
SEA STATE: 3.0m in the south-east, with S to SW swell.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : NE to N 05 to 15 but NW to W 10 to 20 in the extreme north.
VIS : Moderate to poor in showers and thundershowers.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : NW to W 15 to 25 reaching 30 in the west and south-west.
VIS : Good, but moderate in showers and rain in the west and south-
west.
SEA STATE: 3.0 to 3.5m reaching 4.0m in the south and south-west, 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)
26/01/25 AT 1500UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (Wind gusts may be about 40% stronger than the averages given here).
PART 1: WARNING
- Nil.
PART 2: GENERAL SYNOPSIS, 26/01/25 AT 1200UTC
- Cold front (CF) 28S/50E, 31S/54E, 35S/57E, 37S/57E, 41S/63E.
PART 3: FORECAST FOR 24 HOURS FROM 26/01/25 at 1800UTC to 26/01/26 at 1800UTC
WAM (30S/40S, 50E/65E)
Rain, showers and squalls over eastern (CF).
WIND: Northerly 4/5 backing S to SE 4/5.
SEA: moderate to rough.
VISI: very poor in precipitations.
AMS (30S/40S, 65E/80E)
Rain, showers and squalls (CF).
WIND: Northerly 4/5.
SEA : moderate.
VISI: very poor in precipitations.
CRO (40S/50S, 50E/65E)
Scattered rain.
WIND: Westerly 4/5 but NW 6/7 over southern at first.
SEA : moderate to rough locally very rough over far southern at first.
VISI: poor in precipitations.
KER (40S/50S, 65E/80E)
Rain, showers and squalls (CF).
WIND: variable 3/5.
SEA : moderate to rough.
VISI: poor to very poor in precipitations.