WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
01ST 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 012200 TO 022200 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: N to NW 35 to 40 in the western parts.
2. CAPE EAST: E to NE 35 in the central parts.
3. MARION FORTIES EAST: NW 35 in the south and south-west mid-period.
SYNOPTIC CHART 12:00Z
=====================
High 1020 hPa 29s15e, High 1036 hPa 40s47e.
Low 992 hPa 41s41w, Low 1004 hPa 40s01w, Low 980 hPa 54s17e .
1. Cold Front: 23s01e 29s08e 35s11e 40s12e 45s16e 50s16e into 54s17e.
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : SE 05 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 05 to 15 but SW 05 to 10 in the east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 10 to 20 in the east and northern parts, but N to NE
15 to 25 in the west and south-west, reaching 30 in the south-
west while spreading to the central south during the second
half of the period.
VIS : Good.
SEA STATE: 3.0m in the south-east, with SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 10 to 20, reaching 25 in the eastern parts.
VIS : Good.
SEA STATE: 3.0m in the south-west at first, with SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : N to NW 20 to 30, reaching 35 to 40 in the western parts,
spreading to the central parts during the second half of the
period.
VIS : Good, but moderate to poor in showers and thundershowers in
the central and western parts.
SEA STATE: 3.0 to 4.0m, with NW swell but SW in the eastern parts.
CAPE WEST (30S/40S, 00E/20E):
WIND : W to SW 15 to 25 becoming anti-cyclonic 05 to 15 in the north-
west towards the end of the period.
VIS : Good, but moderate showers in places in the first half of the
period.
SEA STATE: 3.0 to 4.0m except in the north-east, with SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : W to SW 10 to 20 in the west, whilst anti-cyclonic 05 to 15 in
the east, otherwise E to NE 15 to 25, reaching 30 to 35 in the
central parts.
VIS : Good becoming moderate in showers and rain over the western
parts during the first half of the period.
SEA STATE: 3.5 to 4.5m in the west and central parts, with N to NW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : SE to E 15 to 25, reaching 30 in the north and central parts
but NE 20 to 30 in the south-west.
VIS : Good but moderate in showers and thundershowers in places in
the northern parts.
SEA STATE: 3.0 to 3.5m, with E to SE swell.
MOZAMBIQUE CHANNEL:
WIND : S to SE 15 to 25 reaching 30 in the south-east. It will become
W to NW 10 to 15 in the north and central parts during the
second half of the period.
VIS : Good but moderate in showers in the west and south.
SEA STATE: 3.0 to 3.5m in the central and southern parts in the first
half of the period, with S to SE swell.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to SE 15 to 25.
VIS : Good but poor to moderate in showers and thundershowers in the
south.
SEA STATE: 3.0 to 3.5m in the south and extreme northern parts, with E to
SE swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : NW 15 to 25 reaching 30 to 35 in the south and south-west by
mid-period.
VIS : Good, but moderate in showers and rain in the south-west,
spreading to the north-west through to the south-east during
the second half of the period.
SEA STATE: 3.5 to 4.5m, except in the north-east, reaching 5.0 to 6.5m in
the south-west, with SW swell.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
26/10/01 AT 0400UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- GALE OVER KER AND OVER FAR SOUTHERN CRO.
PART 2: GENERAL SYNOPSIS, 26/10/01 AT 0000UTC
- HIGH 1030 HPA NEAR 32S/93E, STEADILY MOVING EASTWARD.- HIGH 1037 HPA NEAR 40S/39E, STEADILY MOVING EASTWARD.- BETWEEN THE TWO HIGH : COLD FRONT CF AXIS 35S/62E, 35S/65E, 40S/77E, 41S/80E, STEADILY MOVING EASTWARD.
PART 3: FORECAST FOR 24 HOURS FROM 26/10/01 AT 0600UTC TO 26/10/02 AT 0600UTC
WAM (30S/40S, 50E/65E)
SCATTERED SHOWERS, MORE FREQUENT OVER NORTHERN.
WIND: SOUTH-EASTERLY 4/5, OCCASIONALLY 6 WITH GUSTS, LATER BECOMING
ANTICLOCKWISE 3/4 OVER SOUTHERN BUT EASTERLY 5/6 WITH GUSTS OVER
NORTHERN.
SEA : MODERATE TO ROUGH. SOUTH-WESTERLY SWELL OF 2 TO 3 METRES, ABATING.
VIS : GOOD.
AMS (30S/40S, 65E/80E)
FRONTAL RAIN AND SHOWERS WITH CF.
WIND: NW AHEAD OF THE FRONT 4 TO 6 FROM NORTH TO SOUTH, BACKING SOUTHERLY
4/5 BEHIND AT TIMES 6/7. GUSTS.
SEA : MODERATE TO ROUGH, LOCALLY VERY ROUGH OVER FAR SOUTHERN BY SW SWELL
3 TO 4M.
VIS : POOR IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
FEW SHOWERS.
WIND: SW 5 TO 7 OVER SOUTHEN AT TIMES 8 WITH GUSTS, BUT ANTICLOCKWISE 3/4
ELSEWHERE AT TIMES 5. BECOMING GRADUALLY W 5/6 AT TIMES 7 WITH GUSTS,
BUT ANTICLOCKWISE 3/4 OVER NORTHERN.
SEA : ROUGH TO VERY ROUGH BECOMING MODERATE TO ROUGH.SW SWELL 3 TO 4M
ABATING.
VIS : MAINLY GOOD.
KER (40S/50S, 65E/80E)
FEW SHOWERS.
WIND: SW 6/7 AT TIMES 8, SETTING-UP WESTERLY 6 TO 8. GUSTS.
SEA : ROUGH TO VERY ROUGH TO HIGH FROM NORTH TO SOUTH. NW SWELL 3 TO 5M
OVER FAR NORTH-EASTERN AT FIRST, BUT SOUTH-WESTERLY SWELL SPREADING
FROM WEST LATER AND INCREASING 3 TO 5M.
VIS : GOOD