WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
05th OF MARCH 2026 AT 08:30 UTC.
FOR SOUTH-EAST SECTOR OF METAREA. VII, PREPARED BY REUNION, SEE AREA 2
BELOW.
NOTE: WX OBSERVATIONS.
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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 051000 TO 061000 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. CAPE WEST: S to SW 35 in the central south by the end of the period.
SYNOPTIC CHART 06:00Z
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High 1020 hPa 30s12w, High 1024 hPa 43s56e
Low 988 hPa 54s30e
1. Cold front: 44s24e 47s29e 50s35e 53s36e into 54s30e
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 10 to 20.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : Variable 05 to 10 in the east, otherwise S to SE 05 to 15.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : Variable 05 to 10 in the south, otherwise E to SE 10 to 20.
VIS : Good.
TRADES (15S/30S, 00E/WEST COAST):
WIND : Variable in the south-east, otherwise S to SE 05 to 15.
VIS : Good.
SEA STATE: 3.0m in the south until mid-period, SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : Cyclonic 15 to 25 in the south and east, otherwise W to SW 05 to 15.
VIS : Good, but moderate in showers and thundershowers in places in the
central and eastern parts until mid-period.
SEA STATE: 3.0m in the east from mid-period, with SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : S to SW 05 to 15, but 20 to 30 in the southern half from mid-period,
reaching 35 in the central south by the end of the period.
VIS : Good, but moderate in showers and thundershowers in the east at
first, becoming poor in the west from this evening.
SEA STATE: 3.0 to 4.0m in the central and northern parts until mid-period, as
well as in the south from mid-period, reaching 4.5 to 5.0m by the end
of the period, with S to SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : Variable in the extreme east and western half, otherwise N to NW 15
to 25.
VIS : Good, but moderate to poor in showers and thundershowers in places in
the central, north-west and southern parts.
SEA STATE: 3.0m in the central and southern parts, with NW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : Variable 05 to 10 in the south-east, otherwise E to NE 05 to 15
reaching 20 to 30 in the north and western parts.
VIS : Good, but moderate in showers and thundershowers in the south-east at
first.
SEA STATE: 3.0m in the south-west from mid-period, with NE swell.
MOZAMBIQUE CHANNEL:
WIND : SE 15 to 25 in the south-east until mid-period, otherwise E to NE 05
to 15.
VIS : Good, but moderate in showers and thundershowers in the north and
eastern parts.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : NE 05 to 15 in the south, otherwise E to SE 05 to 15.
VIS : Good, but moderate in showers and thundershowers in the north.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : N to NW 15 to 25, becoming variable 05 to 10 in the north-west from
mid-period, spreading to the central parts by the end of the period.
VIS : Good in the north-east, otherwise moderate in showers and
thundershowers, clearing in the west from the evening.
SEA STATE: 3.0 to 3.5m, except in the west and north-east, with W to NW swell.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
26/03/05 AT 0500UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- GALE FORCE 8 ONGOING OVER EASTERN KER IN THE DAYTIME.
PART 2: GENERAL SYNOPSIS, 26/03/05 AT 0000UTC
- LOW 997 NEAR 47S/76E WITH ASSOCIATED COLD FRONT AXIS 30S/50E, 35S/61E, 40S/74 TO SOUTH-EASTERN KER, LEAVING THE AREA BY EASTERN KER AT THE END.
- HIGH 1027 NEAR 37S/95E WITH RIDGE TOWARDS THE WEST.
- HIGH 1027 NEAR 43S/57E MOVING EASTWARD.
- COLD FRONT CG OVER SOUTH-WESTERN CRO MOVING EASTWARD.
PART 3: FORECAST FOR 24 HOURS FROM 26/03/05 AT 0600UTC TO 26/03/06 AT 0600UTC
WAM (30S/40S, 50E/65E)
RAIN, FRONTAL SHOWERS AND SQUALLS.
WIND : VARIABLE 2/4 IN THE NORTH-EAST AHEAD OF THE FRONT, BUT EASTERLY
4/5 BEHIND THE FRONT.
SEA : MODERATE TO ROUGH, BECOMING MODERATE EVERYWHERE AT THE END.
VIS : POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
SCATTERED SHOWERS IN THE NORTH AND RAIN AND FRONTAL SHOWERS IN THE SOUTH.
WIND :
NORTHERN HALF: VARIABLE ANTICLOCKWISE 2/3.
SOUTHERN HALF: SOUTHERLY 4/5 LOCALLY 6 OVER SOUTH-EASTERN.
SEA : MODERATE IN THE NORTH, MODERATE TO ROUGH IN THE SOUTH, BECOMING VERY
ROUGH IN THE SOUTH-EAST. SOUTH-WESTERLY SWELL 3/4M BEHIND THE FRONT.
VIS : POOR IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
SHOWERS AND FRONTAL SHOWERS IN THE SOUTH-WEST.
WIND : BECOMING ANTICLOCKWISE 2/4 SETTLING UP NW 5/6 WITH GUSTS BY WESTERN.
SEA : MODERATE TO ROUGH.
VIS : POOR TO VERY POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
RAIN, SQUALLS AND FRONTAL SHOWERS.
WIND : CLOCKWISE 6 TO 8, WITH GUSTS, THEN DECREASING WESTERLY 4/5 IN THE WEST
LATER.
SEA : ROUGH TO VERY ROUGH, BUT VERY ROUGH TO HIGH NEAR THE LOW.
CYCLONIC SWELL 2/4M THEN SOUTHERLY TO SOUTH-WEST SWELL 2/4M IN WEST
BEHIND THE LOW.
VIS : VERY POOR IN PRECIPITATION.