WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
04th 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 042200 TO 052200 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. CAPE EAST: W to NW 35 in the extreme south-west from mid-period.
2. MARION FORTIES EAST: NW 40 in the north-west towards mid-period.
SYNOPTIC CHART 12:00Z
=====================
High 1024 hPa 29s08e,
Low 965 hPa 61s23e
Cold Front: 47s40e, 54s46e, 48s26e, 62s33e into 61s23e
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 05 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 05 to 10, but variable 05 to 10 in the north.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : Variable 05 to 10 in the central south, otherwise, E to SE 05 to
15.
VIS : Good.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 05 to 15
VIS : Good.
TRISTAN (30S/40S, 00E/20W):
WIND : Anticyclonic 05 to 10 in the central north, otherwise NW to W 10
to 20 reaching 25 to 30 in the south.
VIS : Good, but moderate in a band of showers and rain in the south-
west.
SEA STATE: 3.0 to 3.5m in the south, with W to NW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : W to SW 10 to 20, reaching 25 to 30 in places in the south-east
by mid-period, but variable 05 to 10 in the north-east.
VIS : Good, but moderate in light showers over the central parts.
SEA STATE: 3.0 to 3.5m in the south, with W to SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : W to NW 15 to 25 in the extreme south-west, reaching 30 to 35
from mid-period, otherwise variable 05 to 10, but cyclonic 05 to
15 in the south-east.
VIS : Good but moderate in showers and thundershowers in the
in the extreme east at first, and in the south-west towards the
end of the period.
SEA STATE: 3.0 to 3.5m in the south-west, with SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : Variable 05 to 10 over the central parts, otherwise E to NE 05 to
15.
VIS : Good but moderate in showers and thundershowers in the east.
MOZAMBIQUE CHANNEL:
WIND : S to SE 05 to 10 in the south-west, otherwise variable 05, but N
to NW 05 TO 15 in the north.
VIS : Good but moderate in showers and thundershowers over the
extreme northern parts.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to NE 05 to 15, but variable 05 in the north-east.
VIS : Moderate to poor in showers and thundershowers in places.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : NW 15 to 25, reaching 30 to 40 in the north-west towards mid-
period.
VIS : Moderate in showers and rain, but good in the extreme north-east.
SEA STATE: 3.0 to 3.5m in the south, 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)
26/01/04 AT 1600UTC
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, 26/01/04 AT 1200UTC
- THUNDERY LOW 1006 NEAR 33S/47E, VER SLOWLY MOVING
SOUTH-SOUTHEASTWARDS AND FILLING A LITTLE. EXPECTED 1008 NEAR 38S/50E
THE 05 AT 12 UTC.
- MODERATE OR FRESH WESTERLY FLOW PREVAILING OVER CRO AND KER.
- HIGH 1025 OVER AMS NEAR 35S/68E, VERY SLOWLY MOVING EASTWARDS.
PART 3: FORECAST FOR 24 HOURS FROM 26/01/04 AT 1800UTC TO 26/01/05
AT 1800UTC
WAM (30S/40S, 50E/65E)
SHOWERS OR SQUALLS IN WEST, AT TIMES THUNDERY,
WIND:
- IN FAR WEST : NORTHEAST 5 OR 6, AT TIES 7, BECOMING SOON CLOCKWISE.
SEVERE GUSTS.
- ELSEWHERE : NORTHEAST 3 TO 5, LOCALLY ANTICLOCKWISE 2 OR 3 IN FAR
EAST AT FIRST.
SEA: MODERATE, LOCALLY ROUGH IN WEST.
VISI: POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
SHOWERS IN FAR NORTH.
WIND : ANTICLOCKWISE 3 TO 5.
SEA: ROUGH IN SW SWELL, DECREASING MODERATE.
VISI: MODERATE IN PRECIPITATIONS.
CRO (40S/50S, 50E/65E)
RAIN OR SHOWERS.
WIND: NORTHWEST 4 OR 5, AT TIMES 6. GUSTS.
SEA: MODERATE OR ROUGH.
VISI: POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
RAIN OR SCATTERED SHOWERS IN SOUTH.
WIND: WESTERLY 5 TO 6, AT TIMES 7 IN EAST TILL 05 AT 03 UTC. GUSTS.
SEA: ROUGH OR VERY ROUGH, DECREASING MODERATE OR ROUGH.
VISI: POOR IN PRECIPITATION.=