WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
30th OF OCTOBER 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 302200 TO 311220 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 1024 hPa 33s05e, High 1027 hPa 35s41e
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 : E to SE 05 to 15 but variable 05 to 10 in the south-west
first.
VIS : Good but moderate in showers and rain in the south-west
spreading to the south from second half of the period.
TRADES (15S/30S, 00E/WEST COAST):
WIND : Anticyclonic 05 to 15 in the south-west, otherwise S to SE 15
to 20, reaching 25 in the extreme south-east.
VIS : Good.
TRISTAN (30S/40S, 00E/20W):
WIND : Anticyclonic 05 to 15 in the north-east, otherwise W to NW 10
to 15 becoming variable 05 to 10 towards from the mid-period.
VIS : Good but moderate in showers and rain in the north-east but
over the south-west towards the end of the period.
SEA STATE: 3.0, with W to SW swell at first.
CAPE WEST (30S/40S, 00E/20E):
WIND : Anticyclonic 05 to 15 but S to SE 15 to 20 in the north-east
while becoming SW 10 to 20 in the south-east from second half
of the period.
VIS : Good but moderate in rain showers in the north-west.
SEA STATE: 3.0m in the south and south-west with W to SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : Anticyclonic 05 to 15 but NE 20 to 25 in the extreme north-
west while becoming S 10 to 15 in the extreme south-west
during the second half of the period.
VIS : Good.
SEA STATE: 3.0 with SW swell except over the north-west where it will be
NE 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 SE 10 to 20.
VIS : Good but moderate to poor in showers and thundershowers in the
east during the first half of the period.
SEA STATE: 3.0 to 3.5m in the extreme east and south-west, with E to SE
swell.
MOZAMBIQUE CHANNEL:
WIND : S to SE 10 to 20 reaching 25 in places in the south-east.
VIS : Moderate in showers and thundershowers in the northern-eastern
at first, otherwise good.
SEA STATE: 2.5 to 3.0m in the south, with S to SE swell.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : NE 10 to 15 but cyclonic 10 to 15 in the south becoming light
and variable during the second half of the period.
VIS : Good but moderate to poor in showers and thundershowers in the
central and southern parts.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : W to NW 15 to 25.
VIS : Good, but moderate in showers and rain in the north.
SEA STATE: 3.5 to 4.5m except in the north, 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)
26/10/30 AT 1500UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40%
STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- NIL.
PART 2: GENERAL SYNOPSIS, 26/10/30 AT 1200UTC
- HIGH 1031 NEAR 31S/81E SLOWLY MOVING NORTH-EASTWARD AND SECOND HIGH
1027 NEAR 35S/40E, ALMOST STATIONARY.- LOW 1014 OVER NORTHERN WAM AT
END WITHS SQUALLS AND UNSTABLE RAINS.- COLD FRONT OVER EASTERN AMS
AND NORTH-EASTERN KER MOVING EASTWARD.
PART 3: FORECAST FOR 24 HOURS FROM 26/10/30 AT 1800UTC TO 26/10/31
AT 1800UTC
WAM (30S/40S, 50E/65E)
RAIN, SHOWERS AND FRONTAL SQUALLS.
WIND : SOUTH-EASTERLY 5/6 OVER NORTH-WESTERN AND VARIABLE 2/4 ELSEWHERE.
SEA : MODERATE TO ROUGH BY S SWELL 2 TO 3M ABATING.
VISI : VERY POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
RAIN, SHOWERS AND RONTAL SQUALLS OVER SOUTHERN.
WIND : WESTERLY 3/5 LOCALLY 6 AT FIRST.
SEA : MODERATE OVER NORTHERN, BUT ROUGH TO VERY ROUGH OVER SOUTHERN BY W
SWELL 2 TO 3 M, ABATING.
VISI : POOR OR VERY POOR IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
SCATTERED SHOWERS AT THE END.
WIND : WESTERLY 4 TO 6 FROM NORTH TO SOUTH.
SEA : ROUGH TO VERY ROUGH. SW SWELL 3 TO 5M.
VISI : POOR OR VERY POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
FRONTAL RAIN, SHOWERS AND SQUALLS OVER NORTH-EASTERN AT FIRST.
WIND : SW 4 TO 6 FROM NORTH TO SOUTH, TEMPORARILY 7 WITH GUSTS LATER OVER
SOUTHERN.
SEA : ROUGH TO VERY ROUGH. NW SWELL 3 TO 4M THEN SW SWELL 3
TO 4M OVER SOUTHWESTERN AT END.
VISI : POOR OR VERY POOR IN PRECIPITATION.