WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
29th OF OCTOBER 2026 AT 17:10 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 292200 TO 302200 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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Nil.
SYNOPTIC CHART 12:00Z
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High 1023 hPa 27s32w, High 1023 hPa 36s35e
Low 949 hPa 56s18e, Low 992 hPa 42s56e
1. Cold front: 34s05e 38s10e 45s19e 50s25e 55s25e into 56s18e.
2. Cold front: 22s49e 25s51e 30s55e 37s60e 42s60e 42s56e.
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 : SW 05 to 15 in the east, otherwise SE to E 05 to 15.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : Anticyclonic 05 to 15.
VIS : Good but moderate in showers and rain in the south-west
towards mid-period.
SEA STATE: 3.0m in the south, with SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : Anticyclonic 05 to 15 in the south-west, otherwise S to SE 15
to 25, reaching 30 in the extreme south-west towards the end
of the period.
VIS : Good.
TRISTAN (30S/40S, 00E/20W):
WIND : Anticyclonic 05 to 15 in the north-east, otherwise W to NW 10
to 20 reaching 25 in the south-central until at first.
VIS : Good but moderate in showers and rain in places in the
central.
SEA STATE: 3.5 to 4.5m except in the north, with W to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : W to NW 15 to 25 in the south-west until at first, otherwise
anticyclonic 05 to 15 but S to SE 15 to 25 in the north-east.
VIS : Good.
SEA STATE: 3.0 to 3.5m except in the central, north and east, with W to
SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : variable 05 to 10 in the north-west, otherwise Anticyclonic 05
to 15 but NE to E 15 to 25 in the north-central parts and NW
15 to 25 in the south-west.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the west and central parts, with S to SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : E to NE 05 to 15 in the west reaching 20 to 25 in the extreme
south-west, otherwise S to SE 15 to 25. It will become
cyclonic 20 to 25 in the north-east from mid-period.
VIS : Good but moderate to poor in showers and thundershowers in the
east.
SEA STATE: 3.0 to 3.5m in the extreme east and south-west, with E to SE
swell.
MOZAMBIQUE CHANNEL:
WIND : N to NW 10 to 20 in the extreme north until mid-period
otherwise S to SE 10 to 20 reaching 25 in places in the
central.
VIS : Moderate in showers and thundershowers in the central and
northern parts until mid-period, otherwise good.
SEA STATE: 3.0m except in the extreme north, with S to SE swell.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to NE 10 to 20 but cyclonic 15 to 25 in the south.
VIS : Good but moderate to poor in showers and thundershowers in the
central and southern parts.
SEA STATE: 3.0m in the south-east towards the end of the period, with N
to NW swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : Anticyclonic 05 to 15 until at first otherwise NW to W 15 to
25 reaching 30 in the south.
VIS : Good, but moderate in showers and rain in the south-west and
south-central until mid-period, otherwise good.
SEA STATE: 3.5 to 4.5m except in the north, reaching 5.0m in the south-
central at first, 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)
26/10/29 AT 1600UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40%
STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- GALE OVER WAM, CRO AND KER.
PART 2: GENERAL SYNOPSIS, 26/10/29 AT 1200UTC
- WEAKENING HIGH 1033 NEAR 35S/76E SLOWLY MOVING NORTH-EASTWARD.-
FILLING LOW 992 NEAR 44S/57E, WIYTH ASSOCIATED COLD FRONT AXIS
40S/54E, 44S/57E, 43S/60E, 38S/61E, ALL STEADILY MOVING EASTWARD.
PART 3: FORECAST FOR 24 HOURS FROM 26/10/29 AT 1800UTC TO 26/10/30
AT 1800UTC
WAM (30S/40S, 50E/65E)
FRONTAL RAIN, SHOWERS AND SQUALLS AT TIMES THUNDERY. SCATTERED
SHOWERS BEHIND.
WIND: NORTHERLY 6/7 AHEAD OF THE FRONT, BACKING SW 6/7 BEHIND AND OVER SOUTHERN TEMPORARILY 8 AT FIRST, BUT 4/5 OVER NORTHERN. SEVERE GUSTS. DECREASING LATER SOUTH-EASTERLY 3/4 FROM WEST, BUT 5/6 WITH GUSTS OVER NORTH-WESTERN.
SEA: MODERATE TO ROUGH OVER NORTHERN, BUT ROUGH TO VERY ROUGH OVER SOUTHERN BY N SWELL 3 TO 4M THEN S SWELL 3 TO 4M.
VISI: VERY POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
FRONTAL RAIN, SHOWERS AND SQUALLS.
WIND: INCREASING NORTHERLY 6/7, BUT ANTICLOCKWISE 3/4 OVER NORTH-EASTERN AT TIMES 5. BACKING W 4/5 LATER OVER SOUTH-WESTERN BEHIND THE FRONT AT TIMES 6. GUSTS.
SEA: MODERATE TO ROUGH, BECOMING GRADUALLY ROUGH TO VERY ROUGH OVER SOUTHERN BY NW SWELL 3 TO 4M.
VISI : POOR OR VERY POOR IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
FRONTAL RAIN, SHOWERS AND SQUALLS.
WIND: NORTHERN HALF: CLOCKWISE 6/7 AT TIMES 8 WITH SEVERE GUSTS, DECREASING LATER SW 4/5 FROM WEST THEN W 3/4 AT TIMES 5.SOUTHERN HALF: SW 5/6 VEERING W LATER. GUSTS.
SEA:ROUGH TO VERY ROUGH. N SWELL 4 TO 5M AHEAD OF THE FRONT, BUT S SWELL
3 TO 4M BEHIND THEN ABATING. LONG SW SWELL 3 TO 5M LATER OVER
SOUTH-WESTERN.
VISI: POOR OR VERY POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
FRONTAL RAIN, SHOWERS AND SQUALLS.
WIND: INCREASING CLOCKWISE 6/7 AT TIMES 8 WITH SEVERE GUSTS. DECREASING SW 5/6 FROM WEST LATER.
SEA: ROUGH TO VERY ROUGH. SW SWELL 3 TO 4 OVER EASTERN ABATING THEN NW
SWELL 3 TO 5M SPREADING GRADUALLY FROM WEST.
VISI : POOR OR VERY POOR IN PRECIPITATION.=