WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
15th OF OCTOBER 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 151000 TO 161000 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. MARION FORTIES EAST: S to SW 35 in the south-west at first.
SYNOPTIC CHART 06:00Z
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High 1017 hPa 21s04w, High 1028 hPa 30s59e.
Low 984 hPa 45s04w, Low 957 hPa 55s37e, Low 1015 hPa 33s29e.
1. Cold front: 38s18w 39s12w 40s07w 43s03w into 45s04w.
2. Cold Front: 31s00e 33s05e 37s18e 46s36e 56s42e 56s41e into 55s37e.
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 10 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 10 to 15 but W to SW 05 to 15 in the east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : Anticyclonic 05 to 10 over the north, otherwise W to NW 15 to
25, but S to SE 05 to 15 in the south, reaching 25 in the
south-west towards the end of the period.
VIS : Good, but moderate in showers and rain in the south-west
spreading to the south-east towards mid-period.
SEA STATE: 3.0m in the extreme south-east towards the end of the period,
with W to SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 15 to 25 in the north and east, otherwise anticyclonic
05 to 10 but NW 15 to 25 in the south-west.
VIS : Good.
SEA STATE: 3.0m in places in south until mid-period, with SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : W to NW 15 to 25 until mid-period, otherwise W to SW 15 to 15,
reaching 30 in the south-east, becoming S to SE in the north-
west from mid-period.
VIS : Moderate in showers and rain but poor at times in the north-
east towards mid-period.
SEA STATE: 3.0 to 4.0m, except the north, reaching 4.5 to 5.5m in the
south by mid-period, with S to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : NW 15 to 25, reaching 30 in the south-west spreading to
the central from mid-period, becoming W to SW 20 to 30 in the
west towards mid-period.
VIS : Moderate to poor in showers and rain in the west and central,
otherwise good.
SEA STATE: 3.0 to 4.0m in the west, central, and south reaching 4.5 to
5.5m in the south, with W to SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : Variable 05 to 10 in the north-west, spreading to the central
from mid-period, otherwise N to NW 15 to 25. It will become E
to NE 10 to 20 in the north-west towards the end of the
period.
VIS : Good but moderate in rain in the south-west.
SEA STATE: 3.0 to 4.0m in the west, reaching 4.5 to 5.5m in the south-
west until mid-period, with W to NW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : Cyclonic 05 to 10 in the south-west until mid-period,
otherwise N to NE 10 to 20 reaching 25 south of Madagascar.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the central north, with NE swell.
MOZAMBIQUE CHANNEL:
WIND : E to SE 05 to 15 but NE 05 to 10 in the south-west.
VIS : Good.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to SE 15 to 25 but NE 15 to 25 in the south-west.
VIS : Moderate in light rain in the north, otherwise good.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : S to SW 15 to 25 in the west and central, spreading to the
east towards mid-period, reaching 30 to 35 in the south-west
at first, otherwise N to NW 15 to 25.
VIS : Good, but moderate in showers and rain in the east until mid-
period and the west towards the end of period.
SEA STATE: 3.0 to 4.0m, except in the extreme north, but 4.5 to 5.5m in
the south-west.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
26/10/15 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 and KER;
PART 2: GENERAL SYNOPSIS, 26/10/15 AT 0000UTC
- Cold front expected soon over CRO, then over KER at end, due to a low 947 moving eastwards along 57S.- High 1027 near 29S/58E, extending soon over north of AMS.
PART 3: FORECAST FOR 24 HOURS FROM 26/10/15 at 0600UTC to 26/10/16 at 0600UTC
WAM (30S/40S, 50E/65E)
Showers.
WIND : Anticlockwise 3 or 4, increasing soon Northwest 4 or 5 in south
with gusts.
SEA : moderate or rough in SW swell, locally very rough at first in far
southeast.
VIS : moderate in precipitation.
AMS (30S/40S, 65E/80E)
Few showers.
WIND : Southwest 5 or 6, locally 7 in far southeast, decreasing
Anticlockwise 2 to 4 from west, increasing Northwest 5 or 6 with
gusts at end.
SEA : rough or very rough, locally high in southeast till 16 at 00 UTC.
SW swell 5 or 6 m in southeast, abating 4 or 5 m.
VIS : moderate in precipitation.
CRO (40S/50S, 50E/65E)
Frontal rain or showers.
WIND : West 5 or 6, increasing soon Northwest 6 or 7, at times 8, backing
Southwest later. Severe gusts.
SEA : rough or very rough, decreasing moderate or rough in north. SW
swell 4 or 5 m in east at first, abating.
VIS : poor in precipitation.
KER (40S/50S, 65E/80E)
Showers in east then frontal rain or showers at end.
WIND : Southwest 6 or 7, increasing Northwest at times 8 at end with
severe gusts.
SEA : very rough or high, decreasing rough or very rough later. SW swell
4 or 5 m.
VIS : poor in precipitation.