WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
09TH OF JANUARY 2026 AT 08:30 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 091000 TO 101000 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: S to SE 35 in the north-east from mid-period.
2. MARION FORTIES EAST: N to NW 35 to 40 in the central and eastern parts
during the first half of the period, but W to SW 35
to 45 in the west and south-west from this
afternoon, spreading to the south-east from
tomorrow morning.
SYNOPTIC CHART 06:00Z
=====================
High 1024 hPa 34s02e, High 1024 hPa 37s60e
Low 964 hPa 57s27e, Low 956 hPa 52s11w
1. Cold Front: 41s33e 45s34e 50s35e 55s35e 58s31e into 57s27e.
2. Cold Front: 38s23w 41s17w 43s13w 46s08w 49s06w 52s08w into 52s11w.
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : SE 05 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, becoming moderate in showers and thundershowers in the east
from tomorrow morning.
ST HELENA (15S/30S, 00E/20W):
WIND : Variable 05 to 10 in the south, otherwise E to SE 10 to 20.
VIS : Good, but moderate in light rain in the west.
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 3.5m in the south-east, with S to SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : Variable 05 to 10 in the north and north-east, otherwise W to NW
10 to 20, reaching 25 to 30 in the southern parts at times.
VIS : Good, but moderate in showers and rain in the west and south.
SEA STATE: 3.0 to 3.5m in the south and south-west, with SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : NW 10 to 20 in the south-west, but S to SE 10 to 20 in the north,
reaching 25 to 30 in the north-east, becoming 35 from mid-period,
otherwise, anticyclonic 05 to 15.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the east, reaching 4.0m in the north-east until
tomorrow morning, with W to SW swell, but SE in the north-east.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : N to NW 15 to 25 in the east, but 30 in the south-east,
otherwise, S to SW 10 to 20, reaching 25 to 30 in the south,
drifting to the south-east from mid-period. It will become anti-
cyclonic 05 to 15 in the west from mid-period, spreading to the
central by the end of period.
VIS : Good, but moderate in showers and thundershowers in the north and
eastern parts.
SEA STATE: 3.0 to 4.0m except in the north, reaching 4.5m in the south at
first, with W to SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : E to NE 05 to 15 in the east, otherwise S to SE 05 to 15,
reaching 20 in the south-west until mid-period.
VIS : Good but moderate to poor in showers and thundershowers in places
in the Central and western parts.
SEA STATE: 3.0 to 4.0m in the east, north and south-west, with SW swell.
MOZAMBIQUE CHANNEL:
WIND : W to SW 05 to 15 in the north, otherwise E to NE 10 to 20,
reaching 25 to 30 in the west and south-west at times.
VIS : Good but moderate to poor in showers and thundershowers in the
north and southern parts, clearing in the north towards the
end of the period.
SEA STATE: 3.0m in the south at first, with S to SW swell.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to NE 05 to 15 in the south, otherwise SE 10 to 20.
VIS : Moderate in showers and rain in places.
SEA STATE: 3.0 in the south, with SW swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : N to NW 20 to 30 in the central and eastern parts, reaching 35 to
40 during the first half of the period, otherwise W to SW 20 to
30, reaching 35 to 45 in the west and south-west from this
afternoon, spreading to the south-east from tomorrow morning.
VIS : Good, but moderate to poor in showers and rain in the central
parts, drifting to the east in the evening. Snow-showers are
possible in the south.
SEA STATE: 4.0 to 5.0m, but 6.0 to 7.0m in the west and southern half from
this afternoon, reaching 7.5 to 8.0m in the south-west from mid-
period, drifting to the south from tomorrow morning, 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)
26/01/09 AT 0500UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- GALE EXPECTED OVER CRO LATER.
PART 2: GENERAL SYNOPSIS, 26/01/09 AT 0000UTC
COLD FRONT EXTENDING FROM NORTH-WESTERN WAM TO SOUTH-EASTERN AMS.
- HIGH PRESSURES AROUND 1025 OVER WAM AND AMS.
- COLD FRONT REACHING WESTERN CRO LATER AND MOVING EASTWARD.
PART 3: FORECAST FOR 24 HOURS FROM 26/01/09 AT 0600UTC TO 26/01/10 AT 0600UTC
WAM (30S/40S, 50E/65E)
RAIN, FRONTAL SHOWERS OVER NORTHERN.
WIND : ANTICLOCKWISE 3 TO 4 SETTING UP N 5 TO 6 BY WESTERN LATER.
SEA : ROUGH TO VERY ROUGH BY SW SWELL 3 TO 4 M ABATING.
VIS : POOR OR VERY POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
RAIN, SHOWERS AND SQUALLS.
WIND : NORTHWEST 4 OR 5, BECOMING ANTICLOCKWISE 3 OR 4 BY WESTERN SOON.
SEA : MODERATE TO ROUGH. SW SWELL 2 TO 3 M.
VIS : POOR OR VERY POOR IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
RAIN OR FRONTAL SHOWERS BY WESTERN LATER.
WIND : W 5 OR 6, AT TIMES 7 DECREASING 3 TO 4 OVER NORTHERN SETTING UP
NORTHERLY 5 TO 7 LOCALLY 8 WITH GUSTS BY WESTERN LATER, BACKING W AT
END BEHIND THE FRONT.
SEA : ROUGH TO VERY ROUGH. W SWELL 4 OR 5 M.
VIS : POOR OR VERY POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
FEW SHOWERS.
WIND : W 3 TO 6 FROM NORTH TO SOUTH, SETTING UP NW 5 TO 6 LOCALLY 7 WITH
GUSTS OVER WESTERN AT THE END.
SEA : ROUGH OR VERY ROUGH. W SWELL 3 TO 4 M.
VIS : POOR OR VERY POOR IN PRECIPITATION.