WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
24th OF JULY 2026 AT 08:30 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 241000 TO 251000 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: NW to W 35 in the south-east moderating by mid-period.
2. CAPE EAST : W to NW 35 in the south-west, but S to SW reaching 35 over the
central parts by mid-period.
3. DURBAN EAST: SW to S 35 in the west while spreading to the central parts
by the end of the period.
4. MARION FORTIES EAST: W to NW 35 to 45 in south-west by mid-period.
SYNOPTIC CHART 06:00Z
=====================
High 1032 hPa 32s01e, High 1038 hPa 40s70e, Low 1012 hPa 41s44e, Low 958 hPa 64s26e
1. Cold Front: 49s17e 53s27e 59s34e 65s27e into 64s26e
2. Cold Front: 27s36e 37s40e 45s40e 45s48e into 41s44e.
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 15 to 20, variable 05 in the east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : Variable 05 to 10 in the south, otherwise E to SE 15 to 20.
VIS : Good.
TRADES (15S/30S, 00E/WEST COAST):
WIND : Variable 05 to 10 in the north-east, otherwise E to SE 15 to 25.
VIS : Good.
SEA STATE: 3.0 to 3.5m, with SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : Anti-cyclonic 05 to 15 in the north-east, otherwise NW to W 15 to
25, reaching 30 in the south-east at first, but S to SE
05 to 15 in the south-west.
VIS : Good but moderate in showers and rain in the south-west spreading
to the south-east by mid-period.
SEA STATE: 3.0 to 3.5m in the south, with W to NW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : Anti-cyclonic 05 to 15 in the north, otherwise NW to W 15 to 25
reaching 30 to 35 in the south-east moderating by mid-period, but
SE 15 to 20 in the north-east.
VIS : Good but moderate in showers and rain in the south-east.
SEA STATE: 3.5 to 4.5m in the south-east subsiding by towards the end of the
period, with SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : W to NW 15 to 25 in the north-east, reaching 30 to 35 in the
south-west, otherwise S to SW 15 to 25, reaching 35 over the
central parts by mid-period.
VIS : Good but moderate to poor in showers and thundershowers in the
North-east and the south-west.
SEA STATE: 3.0 to 4.0m reaching 4.5 to 5.5m over the central parts, with SW
swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : E to NE 10 to 20 in the east, otherwise SW to S 15 to 25 reaching
35 in the west while spreading to the central parts by the end of
the period.
VIS : Good but moderate to poor in showers and thundershowers over the
central parts, spreading to the east by mid-period.
SEA STATE: 3.0 to 3.5m in the east reaching 4.5 to 6.5m in the west, with S
to SE swell in the north-east, otherwise SW swell.
MOZAMBIQUE CHANNEL:
WIND : S to SW 05 to 15, but variable in places in the south-west and
the north-east.
VIS : Good becoming moderate in showers and rain in the south clearing
from mid-period.
SEA STATE: 3.0 to 4.0m in the south, reaching 4.4m in the south-east by the
end of the period.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : Variable 05 over the central parts, otherwise S to SE 15 to 25,
but NE 05 to 15 in the south-west spreading to the south-east by
mid-period.
VIS : Moderate in showers and rain in the extreme south, otherwise good.
SEA STATE: 3.0m in the extreme south subsiding by mid-period, with SE swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : W to NW 15 to 25 in the north-east at first reaching 35 to 45 in
south-west by mid-period, otherwise S to SW 15 to 25.
VIS : Good but moderate to poor in showers and thundershowers in the
North-east at first, becoming poor in showers and rain in the
south-west towards mid-period.
SEA STATE: 4.0 to 6.0m, reaching 7.0 to 8.0m in the south, but 8.5 to 9.5m in
the south-west from mid-period, 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)
26/07/24 AT 0400UTC
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, 26/07/24 AT 0000UTC
- HIGH 1036 NEAR 41S/68E MOVING SLOWLY EASTWARDS. ASSOCIATED RIDGE
SPREADING OVER WAM
- COLD FRONT OVER WESTERN CRO. SLOWLY MOVING EASTWARDS.
PART 3: FORECAST FOR 24 HOURS FROM 26/07/24 AT 0600UTC TO 26/07/25 AT
0600UTC
WAM (30S/40S, 50E/65E)
SCATTERED SHOWERS
WIND: N 4 OR 5, AT TIMES 6 WITH GUSTS, BUT W 4 OR 5 AT FIRST OVER
NORTHEASTERN.
SEA : MODERATE TO ROUGH. SW SWELL 2 TO 3 METERS ABATING.
VIS : GOOD.
AMS (30S/40S, 65E/80E)
FEW SHOWERS.
WIND: SE 5 OR 6 WITH GUSTS, BECOMING E 4 OR 5 LATER, BUT ANTICLOCKWISE 3 OR 4
OVER FAR SOUTHERN.
SEA : ROUGH, BECOMING MODERATE TO ROUGH. SW SWELL 2 TO 4 METERS,
ABATING.
VIS : GOOD.
CRO (40S/50S, 50E/65E)
FRONTAL RAIN AND SHOWERS OVER SOUTHWESTERN, SCATTERED SHOWERS
ELSEWHERE.
WIND: NW 5 OR 6, AT TIMES 7 WITH GUSTS AHEAD THE FRONT, BACKING S 4
OR 5 BEHINDS, DECREASING ANTICLOCKWISE 2 OR 3 OVER SOUTHWESTERN AT
END.
SEA : ROUGH TO VERY ROUGH. SW SWELL 3 TO 4 METERS INCREASING 4 TO 5
METERS OVER FAR SOUTHERN.
VIS : POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
FEW SHOWERS.
WIND : ANTICLOCKWISE 3 OR 4 OVER NORTHERN, NW 5 OR 6 OVER SOUTHERN,
LOCALLY 7 OVER FAR SOUTHERN. GUSTS.
SEA : ROUGH TO VERY ROUGH. SW SWELL 3 OR 4METERS.
VIS : GOOD.=