WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
09TH OF JUNE 2026 AT 17:00 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 092200 TO 102200 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: S to SW 35 to 45 in the south-east until mid-period.
2. CAPE WEST: NW to N 35 in places in the south, drifting to the south-
east from mid-period, but Cyclonic 35 to 45 in the south-
west by mid-period.
3. CAPE EAST: S to SE 35 in the extreme north-east by the end of the
period.
4. DURBAN EAST: Cyclonic 35 to 40 in the south-east.
5. MARION FORTIES EAST: NW to W 35 in the central parts towards mid-
period, spreading to the south-east towards the
end of the period.
SYNOPTIC CHART 12:00Z
=====================
High 1022 hPa 33s14e, High 1030 hPa 37s67e
Low 1008 hPa 44s04e, Low 952 hPa 64s39e, Low 1012 hPa 41s50e, Low 1014 hPa 26s48e, Low 1008 hPa 43s54e.
1. Cold Front: 29s12w 35s04w 42s03w into 44s04w.
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 10 to 20.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 10 to 20, but SW 05 to 10 in the east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : NW 15 to 25 in the extreme south-east at first, otherwise
Anticyclonic 05 to 15, but W to SW 10 to 20 in the south-east,
but SE 10 to 20 in the south-west.
VIS : Good but moderate in showers and thundershowers in the south.
SEA STATE: 3.0m in the south, with SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 10 to 20 in the north, otherwise Anticyclonic 05 to
15.
VIS : Good, but moderate in showers in the extreme south-west by
mid-period.
TRISTAN (30S/40S, 00E/20W) :
WIND : S to SW 15 to 25 reaching 30 in places but 35 to 45 in the
south-east until mid-period.
VIS : Moderate to poor in showers and thundershowers, becoming good
in the west from mid-period.
SEA STATE: 3.0 to 4.0m reaching 4.5 to 5.0m in the east, with W to SW
swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : Anticyclonic 05 to 15 in the north-east, otherwise NW to N 15
to 25 reaching 30 to 35 in places in the south, drifting to
the south-east from mid-period, becoming Cyclonic 20 to 30 in
the south-west by mid-period reaching 35 to 45.
VIS : Good, but moderate in showers and rain in the west, spreading
to the south-east from mid-period.
SEA STATE: 3.0 to 4.0m, except in the north, reaching 4.5 to 5.5m, with W
to NW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : NW to W 15 to 25 in the south reaching 30, otherwise
Anticyclonic 05 to 15, but S to SE 10 to 20 in the east
reaching 25 to 30 in the north-east but 35 in the extreme
north-east by the end of the period. It will become NE to N 15
to 25 in the central north from mid-period.
VIS : Good, but moderate to poor in showers and thundershowers in
the north-east.
SEA STATE: 3.0 to 4.0m in the south and north-east, with W to SW swell,
but E to SE swell in the north-east.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : Cyclonic 20 to 30 in the east reaching 35 to 40 in the south-
east, otherwise S to SW 05 to 15 reaching 20 to 25 in places,
becoming NE 10 to 20 in the extreme south-west by mid-period.
VIS : Moderate to poor in showers and thundershowers in places,
clearing in the west from mid-period.
SEA STATE: 3.0 to 4.0m in the east reaching 4.5m in the south-east, with
E to NE swell.
MOZAMBIQUE CHANNEL:
WIND : S to SW 10 to 20.
VIS : Good, but moderate in showers and thundershowers in the south-
east, spreading to the south-west by mid-period.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to NE 05 to 15 reaching 25 to 30 in the south at first.
VIS : Moderate in showers and thundershowers in places.
SEA STATE: 3.0m in the south, with SE to E swell, becoming SW swell from
mid-period.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : NW to W 15 to 25 reaching 30 to 35 in the central parts
towards mid-period, spreading to the south-east towards the
end of the period.
VIS : Good, but moderate in showers and rain in the south.
SEA STATE: 3.0 to 4.0m, reaching 4.5m in places, 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)
26/06/09 AT 1600UTC
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, 26/06/09 AT 1200UTC
- HIGH 1030 HPA NEAR 37S/69E MOVING EASTWARD.
- OCCLUSION FRONT OVER CRO AND KER.
- LOW 1006 HPA DEEPENING OVER THE FAR NORTH-WESTERN WAM SOON.
- COLD FRONT BY SOUTH-WESTERN SOON, MOVING EASTWARD.
PART 3: FORECAST FOR 24 HOURS FROM 26/06/09 AT 1800UTC TO 26/06/10
AT 1800UTC
WAM (30S/40S, 50E/65E)
SHOWERS AND SQUALLS BY WESTERN.
WIND: ANTICLOCKWISE 3 TO 4 INCREASING GRADUALLY NORTHERLY 4 TO 6 BY
WESTERN AT FIRST. BECOMING CLPCKWISE 5/6 TEMPORARILY 7 WITH GUSTS IN
VICINITY OF LOW.
SEA: MODERATE TO LOCALLY ROUGH POSSIBLY VERY ROUGH OVER SOUTHWESTERN
AT END.
VIS: POOR UNDER PRECIPITATIONS.
AMS (30S/40S, 65E/80E)
WIND: ANTICLOCKWISE 3 TO 4 INCREASING W 5 OVER SOUTHERN.
SEA: MODERATE TO ROUGH. S SWELL 2 TO 3 M ABATING.
VIS: GOOD.
CRO (40S/50S, 50E/65E)
RAIN AND FRONTAL SHOWERS.
WIND: WESTERLY OR NW 4 TO 6 AT TIMES 7 WITH GUSTS.
SEA: OFTEN ROUGH LOCALLY VERY ROUGH BY SOUTH-WESTERN BY W SWELL 4 M.
VIS: POOR IN PRECIPITATIONS.
KER (40S/50S, 65E/80E)
FRONTAL SHOWERS.
WIND: W 5 TO 6 LOCALLY 7 WITH GUSTS.
SEA: ROUGH TO VERY ROUGH. W SWELL 3 TO 4 M ARRIVING BY WESTERN LATER.
VIS: POOR IN PRECIPITATIONS