WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
19th OF OCTOBER 2026 AT 13:30 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 192200 TO 202200 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 NW 35 to 40 in the south-west, spreading to the
south-central towards mid-period, and to the south-east by
the end of the period.
2.CAPE EAST: W to NW 35 in the south-west by the end of the period.
3.DURBAN EAST: S to SW 35 to 40 in the north-west at first.
4.MARION FORTIES EAST: E to SE 35 in the northern parts towards mid-
period.
SYNOPTIC CHART 12:00Z
=====================
High 1025 hPa 31s11e High 1024 hPa 43s46e High 1024 28s64e.
Low 1004 hPa 38s07w Low 1005 hPa 36s34e
1. Cold Front:25s28w 27s23w 30s18w 34s14w 35s10w 38s07w.
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 10 to 20.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 10 to 20 but SW 05 to 10 in the east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : W to NW 10 to 20 in the south-west, reaching 25 in the extreme
south-west by mid-period, otherwise E to SE 10 to 20. It will
become anticyclonic 05 to 15 in the central parts towards the
end of the period.
VIS : Good but moderate in showers in the south-west.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 15 to 25 reaching 30 in the south-east at first
becoming anticyclonic 05 to 15 in the south-west towards mid-
period.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the east until mid-period, with S to SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : Cyclonic 15 to 25 in the central, spreading to the south-east
towards the end of the period but E to NE 10 to 20 in the
south-central parts, otherwise W to NW 15 to 25.
VIS : Moderate to poor in thundershowers and showers in the north-
west towards the mid-period and moderate in showers and rain
south-west towards mid-period, otherwise good.
SEA STATE: 3.0 to 3.5m except in the north, with W to NW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : Anticyclonic 05 to 10 in the north-east otherwise W to NW 15
to 25, reaching 30 to 40 in the south-west, spreading to the
south-central towards mid-period, and to the south-east by the
end of the period. It will become W to SW 15 to 25 in the
south-west towards the end of the period.
VIS : Moderate in showers in the west, central and south-central,
spreading to the south-eastern parts towards mid-period,
otherwise good.
SEA STATE: 3.0 to 4.0m except in the northern parts, reaching 4.5 to 5.5
in places in the central and south-eastern parts towards mid-
period, with W to SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : Cyclonic 15 to 25 in the south-central parts until mid-period
but S to SW 15 to 25 over the central parts spreading to the
eastern parts towards mid-period, otherwise W to NW 15 to 25
reaching 30 to 35 in the south-west by the end of the period.
VIS : Moderate to poor in showers and thundershowers in the central
spreading to the south-east towards mid-period but moderate in
showers and rain in the south-west spreading to the central
towards mid-period, otherwise good.
SEA STATE: 3.0 to 3.5m except in the north-east, reaching 4.0 to 5.0m in
the north-west at first and central parts, and in the south-
west towards mid-period, with W to SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : S to SW 15 to 25 in the west, reaching 30 to 40 in the north-
west at first, but E to NE 15 to 25 in the north-east,
otherwise W to NW 15 to 25.
VIS : Good but moderate to poor in showers and thundershowers in
the south-west, spreading to the central parts towards mid-
period.
SEA STATE: 3.0 to 4.0m in the west where it will reach 4.5 to 5.0m at
first, with W to SW swell.
MOZAMBIQUE CHANNEL:
WIND : E to NE 10 to 20 becoming variable 05 to 10 in the south-west
towards mid-period.
VIS : Good.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : SE 10 to 20 in the north but NE 10 to 20 in the south.
VIS : Good.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : E to SE 15 to 25 in the northern parts reaching 30 to 35 in
the northern parts towards mid-period, otherwise N to NW 15 to
25, reaching 30 in the south-west from mid-period.
VIS : Good, but moderate to poor in rain and showers in the north
and south-west from mid-period.
SEA STATE: 3.5 to 4.5m except in the central, with E to SE swell in the
northern parts but W to SW swell in the south-west.
AREA 2:
======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
26/10/19 AT 0600UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (Wind gusts may be about 40% stronger than the averages given here).
PART 1: WARNING
Gale force 8 over CRO and KER.
PART 2: GENERAL SYNOPSIS, 26/10/19 AT 0000UTC
- Fast Westerly flow over Eastern KER and Southern CRO.- High 1026 hPa over far Northern WAM and AMS, slow-moving.- High 1023 hPa near 42S/44E, expected over Eastern CRO at end. - Warm front expected over Southwestern WAM and Northwestern CRO at end.
PART 3: FORECAST FOR 24 HOURS FROM 26/10/19 at 0600UTC to 26/10/20 at 0600UTC
WAM (30S/40S, 50E/65E)
Showers over Southern, frontal rain over Southwestern zone at end.
WIND : East 5 to 6 by Southwestern soon ahead the warm front. North to
Northwest 3 to 5 increasing 5 to 6 over Western behind the front. SEA : Moderate to rough from northwest to southeast, temporarily very
rough over South-Eastern at first. South-West swell 2 to 4 m from
northwest to southeast, locally 4 to 5 m over far Southeastern.
VIS : Poor in precipitation.
AMS (30S/40S, 65E/80E)
Few showers.
WIND : Westerly, 4 to 6 from north to south, backing 5 to 7 over
Southeastern at end.
SEA : Rough to very rough, locally high over South-Western. South-West
swell 3 to 5 m from north to south, 5 to 7 m over South-Western.
VIS : Moderate in showers.
CRO (40S/50S, 50E/65E)
Scattered showers, frontal rain over Northwestern zone at end.
WIND : South-West 6 to 7, locally 8 over South-Eastern at first. Then
anticlockwise. Veering East 5 to 7 ahead the front at end.
SEA : rough to high from northwest to southeast, decreasing at end.
South-West swell 3 to 5 m, 5 to 7 m over Southern at first.
VIS : Poor in precipitation.