WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
04th OF OCTOBER 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:
=======
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:
====================
1. TRISTAN: W to SW 35 over the central and eastern parts.
2. CAPE WEST: W to SW 35 over the central and western parts, spreading to
the east and south-east by end of the period.
3. MARION FORTIES EAST: N to NW 35 to 40 over the south-western parts.
SYNOPTIC CHART 12:00Z
=====================
High 1032 hPa 39s34w, High 1036 hPa 45s40e.
Low 939 hPa 59s01e, Low 1014 hPa 29s68e, Low 974 hPa 59s67e.
1. Cold Front: 29s12w 35s03e 41s13e 45s16e 50s24e 57s24e into 59s01e.
2. Cold Front: 39s50e 44s64e 52s71e into 59s67e.
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 15 to 25.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 05 to 15 but SW 05 to 10 in the north-east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : SW 10 to 20 in the south-east, otherwise E to SE 15 to 25.
VIS : Good but moderate in showers and light rain in places over the
southern half in the first half of the period.
SEA STATE: 3.0 to 4.0m in the south-west, spreading to the south-east by
mid-period, with SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 10 to 20 but 25 in the north-east at first, becoming
SW 20 to 30 in the west and south-west towards mid-period.
VIS : Good.
SEA STATE: 3.0m in the north-east at first, but 3.0 to 3.5m in the south-
west and west during the second half of the period, with S to
SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : W to NW 15 in the extreme north-east at first, but S to SE in
the west and north-west, elsewhere W to SW 15 to 25, reaching
30 to 35 over the central and eastern parts during the first
half of the period.
VIS : Good but moderate in showers over the central and eastern
parts, during the first half of the period.
SEA STATE: 6.0 to 9.0m except in the west and northern parts where it
will be 3.0 to 6.0m, with W to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : NW 15 to 25 in the eastern parts at first, otherwise SW 15 to
25, reaching 30 to 35 over the central and western parts,
spreading to the east and south-east by end of the period.
VIS : Moderate in showers in the west and south-west, spreading to
the central and south-eastern parts towards mid-period.
SEA STATE: 4.0 to 6.0m, except in the north-east, reaching 6.5 to 7.0m in
the south-west, spreading to the central parts during the
second half of the period, with W to SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : E to NE 20 to 30, becoming N to NW 10 to 15 in the west
towards the end of the period.
VIS : Good but moderate to poor in showers and thundershowers in the
northern parts.
SEA STATE: 3.0 to 4.0m, with E to NE swell, but 3.0 to 3.5m in the
extreme south-west, with W swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : S to SE in the north-west at first, otherwise E to NE 15 to
25.
VIS : Good but moderate to poor in showers and thundershowers in the
north, central parts and the south-west.
SEA STATE: 3.0 to 4.0m across the south-west, central parts, and the
north-west, with E to NE swell.
MOZAMBIQUE CHANNEL:
WIND : N to NE 05 to 10, becoming SW 05 to 10 in the west towards the
end of the period.
VIS : Good.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to NE 10 to 15 in the south, otherwise SE 10 to 20.
VIS : Good but poor in thundershowers over the western parts.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : Anticyclonic 05 to 15, but N to NW 20 to 30 over the
south-western parts, reaching 35 to 40 during the second half
of the period.
VIS : Good, becoming moderate in showers and rain over the extreme
south-west by end of the period.
SEA STATE: 3.0 to 4.0m reaching 5.5 to 6.0m in the southern parts, with W
to SW swell.
AREA 2:
======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA
ACK (AMSTERDAM-CROZET-KERGUELEN)
26/10/04 AT 1600UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40%
STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- GALE CONTINUING OVER KER AND CRO.
PART 2: GENERAL SYNOPSIS, 26/10/04 AT 1200UTC
- DEEPENING THUNDERY LOW OVER NORTHERN AMS, 1013 NEAR 28S/68E, SLOWLY
MOVING EASTWARD.- COLD FRONT OVER CRO, RATHER RAPIDLY MOVING
EASTWARD.- BUILDING HIGH 1039 NEAR 43S/39E, RATHER RAPIDLY MOVING
EASTWARD.
PART 3: FORECAST FOR 24 HOURS FROM 26/10/04 AT 1800UTC TO 26/10/05
AT 1800UTC
WAM (30S/40S, 50E/65E)
FEW SHOWERS.WIND : ANTICLOCKWISE 3 TO 5, SOON BECOMING S 5 OR 6 WITH
GUSTS, THEN SE LATER.SEA : MODERATE OR ROUGH, LOCALLY VERY ROUGH OVER
FAR SOUTH-EASTERN LATER BY SW SWELL 3 OR 4 METERS.VISIBILITY :
MODERATE IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
SHOWERS AND SQUALLS AT TIMES THUNDERY OVER NORTHERN. WIND : CLOCKWISE
5 OR 6 OVER NORTHERN AT TIMES 7 WITH GUSTS, BUT VARIABLE 2 TO 4 OVER
SOUTHERN. INCREASING SOON OVER SOUTHERN HALF, W 4 OR 5 AHEAD OF THE
FRONT THEN S 5 OR 6 BEHIND.SEA: ROUGH, BECOMING VERY ROUGH OVER FAR
SOUTHERN AT END BY SW SWELL 3 TO 4 METERS.VISI: POOR OR VERY POOR IN
PRECIPITATION.
CRO (40S/50S, 50E/65E)
SCATTERED SHOWERS, AT TIMES SNOWY OVER SOUTHERN.WIND: SW 5 OR 6, AT
TIUES 7, OVER WESTERN, 6 OR 7, AT TIMES 8 OVER EASTERN GUSTS. SOON
BECOMING ANTICLOCKWISE 3 TO 5 FROM WEST.SEA: ROUGH TO HIGH FROM
NORTHWEST TO SOUTHEAST, BECOMING ROUGH OR VERY ROUGH FROM NOETHWEST
TO SOUTHEAST AT END. SW SWELL INCREASING 4 OR 5 METERS.VISIBILITY:
POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
FRONTAL RAIN AND SHOWERS AT FIRST, SCATTERED SHOWERS LATER.WIND: NW 6
OR 7, AT TIMES 8 AHEAD OF THE FRONT, BACKING SW 7 OR 8 BEHIND,
DECREASING 5 OR 6 FROM WEST AT END. GUSTS.SEA: VERY ROUGH TO HIGH,
BUT ROUGH OVER FAR NORTHERN AT FIRST. LONG SW SWELL, 3 TO 5 METERS
OVER NORTHERN BUT 5 TO 6 METERS OVER SOUTHERN DRIFTING AWAY GRADUALLY
EASTWARD. NEW SW SWELL 4 OR 5 METERS OVER WESTERN LATER.VISIBILITY:
POOR IN PRECIPITATION.=