WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
16TH OF JANUARY 2026 AT 16:00 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 162200 TO 172200 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 SW 35 in the south and south-east reaching 35 for
the first half of the period.
SYNOPTIC CHART 12:00Z
=====================
High 1028 hPa 35s10w, High 1020 hPa 45s40e, High 1022 35s68e
Low 990 hPa 51s05e
1. Cold Front: 42s05w 45s08e into 51s05e.
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 10 to 20.
VIS : Good, but moderate in rain in places in the first half of
the period.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 05 to 15, but SW 05 to 15 in the east from the second
half of the period.
VIS : Good, but moderate in showers in the north-east at first.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 10 to 20 but NE 10 to 20 in the south-west.
VIS : Good, but moderate in showers in places in the south-west and
central parts.
SEA STATE: 3.0m in the central and north-eastern parts, with
SE swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 15 to 25, reaching 30 in the south-east.
VIS : Good in the south-east and north-east, otherwise moderate in
rain in the first half of the period.
SEA STATE: 3.0 to 3.5m in the east drifting to the north from the second
half of the period, with SE swell.
TRISTAN (30S/40S, 00E/20W):
WIND : SW to S 15 to 25 in the south-east for the first half of the
period, otherwise anticyclonic 05 to 15.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the south-east for the first half of the
period, with S to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : W to SW 15 to 25 in the south and south-east reaching 35 for
the first half of the period, otherwise S to SE 10 to 20
reaching 25 in the north-east for the second half of the
period.
VIS : Good, but moderate in showers in the south and south-east.
SEA STATE: 3.0 to 4.0m in the south, reaching 4.5 to 5.0m mid-period,
spreading to the south-east towards the end of the period,
with S to SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : S to SE 20 to 30 in the central parts but N to NE 10 to 15 in
the west becoming W to NW 20 to 30 in the south-west for the
first half of the period. It will become SW 15 to 25 in the
west from the second half of the period.
VIS : Good, but moderate to poor in showers in the south-eastern
parts, as well as in the west.
SEA STATE: 3.5 to 4.5m in the south-west spreading to the north-west from
the second half of the period, with S to
SW swell but 3.0m in the north and south-east for the first
half of the period, with SE swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : S to SE 10 to 20 in the west and south-west, but variable 05
to 10 in the northern parts, otherwise N to NE 15 to 25
reaching 30 in places in the north-east.
VIS : Good, but moderate to poor in showers and thundershowers in
places in the east and north-west.
SEA STATE: 3.0 to 3.5m in the south and east, subsiding from the west
from the second half of the period, with E to SE swell.
MOZAMBIQUE CHANNEL:
WIND : NE to E 10 to 20 but variable 05 to 10 in the east.
VIS : Good but moderate to poor in showers and thundershowers in
the south-western and north-eastern parts.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : NE to E 10 to 20 reaching 25 in the south-west but variable 05
to 10 in the north.
VIS : Moderate to poor in showers and thundershowers in places.
SEA STATE: 3.0m in the south, with E swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : SE 10 to 20 in the north-east, otherwise N to NW 20 to 25,
reaching 30 in the south-west.
VIS : Good, but moderate to poor in showers and thundershowers in
the west and south-west but in the north-east at first.
SEA STATE: 3.0 to 4.0m in the south-west towards mid-period with NW swell
and 3.0m in the north-east, with S to SW swell.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK
(AMSTERDAM-CROZET-KERGUELEN)
26/01/16 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 OVER KER.
PART 2: GENERAL SYNOPSIS, 26/01/16 AT 1200UTC
- HIGH 1024 HPA AROUND 34S/62E, ALMOST STATIONARY.
- COLD FRONT OVER CRO AND KER MOVING RAPIDLY EASTWARDS, WITH LOW
950HPA NEAR 54S/76E.
PART 3: FORECAST FOR 24 HOURS FROM 26/01/16 AT 1800UTC TO 26/01/17
AT 1800UTC
WAM (30S/40S, 50E/65E)
SCATTERED SHOWERS.
WIND: IN THE NORTH-EAST QUARTER, ANTICLOCKWISE 2/3 AND ELSEWHERE,
NORTHEASTERLY 3/4 AND 5 OVER FAR SOUTHERN AREA TOMORROW.
SEA: MODERATE WITH NORTHEASTERLY SWELL 1.5/2M.
VISI: GOOD.
AMS (30S/40S, 65E/80E)
SCATTERED SHOWERS.
WIND: VARIABLE ANTICLOCKWISE 2/3 LOCALLY 4 BUT SOUTH-WESTERLY 5/6 IN THE
FAR SOUTHEAST .
SEA: MODERATE, LOCALLY ROUGH IN THE SOUTH-EAST WITH SOUTHWESTERLY
SWELL 2/3.5 M.
VISI: GOOD.
CRO (40S/50S, 50E/65E)
RAIN AND FRONTAL SHOWERS, STORMY SQUALLS OVER NORTHERN AREA.
WIND: SOUTH-WESTERLY 5/6 WITH GUSTS, LOCALLY REACHING 7 IN THE SOUTH,
DECREASING VARIABLE ANTICLOCKWISE 2/4, THEN LATER INCREASING 5/6 IN
THE NORTH.
SEA: ROUGH TO VERY ROUGH BECOMING MODERATE OVER WESTERN AT END. WEST
SWELL 2/4M LOCALLY 5M IN THE SOUTH-EAST.
VISI: POOR TO VERY POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
RAIN AND FRONTAL SHOWERS, STORMY SQUALLS IN THE NORTH-WEST LATER.
WIND: HALF NORTH: WESTERLY 5/6 WITH GUSTS, REACHING 7 IN THE SOUTH
BECOMING ANTICLOCKWISE 2/4 AT END.
HALF SOUTH: WESTERLY 7/8 WITH STRONG GUSTS, REACHING 9 IN THE
SOUTH-EAST DECREASING 4/5 LOCALLY 6 OVER SOUTH-EASTERN AT END.
SEA: VERY ROUGH TO HIGH BUT MODERATE TO ROUGH IN THE NORTH-WEST.
ARRIVAL OF SOUTH-WESTERLY SWELL 3/5M LATER.
VISI: POOR TO VERY POOR IN PRECIPITATION.=