WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
07TH OF MAY 2026 AT 17:30 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.
FORECAST VALID FROM 072200 TO 082200 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 EAST: Cyclonic 35 to 45 over the southern, central and in the west
at first.
2. CAPE WEST : W to NW 35 after mid-period in the south-west.
3. DURBAN EAST : W to SW 35 to 40 in the extreme south-west at first.
4. MARION-FORTIES EAST : E to SE reaching 35 to 45 in the north-west at
first.
SYNOPTIC CHART 12:00Z
=====================
High 1025 hPa 37s04e, High 1031 hPa 47s24e and High 1027 hPa 43s44e
Low 997 hPa 37s32e, Low 960 hPa 60s09w, Low 982 hPa 61s49e
1. Cold Front: 30s17w 45s08w 55s03w 59s04w into 60s09w
2. Cold Front: 47s42e 49s51e 55s54e 59s52e into 61s49e
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 15 to 20, but 10 to 15 in the south-east.
VIS : Good.
SEA STATE: 3.0 to 3.5m at first, with SE swell.
ANGOLA (06S/15S, 00E/00N):
WIND : SW 05 to 10 in the east, otherwise S to SE 10 to 20, moderating
to 05 to 10 in the south-west from mid-period.
VIS : Good.
SEA STATE: 3.0m in the south, with S to SW swell.
ST HELENA (15S/30S, 00E/20W):
WIND : Variable 05 to 10 until mid-period, otherwise E to SE 10 to 20.
VIS : Good, but moderate showers and rain in the extreme south.
SEA STATE: 3.0 to 3.5m except in the south-west, with SE swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 15 to 20 reaching 25 in places in the east and central
until mid-period, becoming variable 05 to 10 in the south-west
towards the end of the period.
VIS : Good.
SEA STATE: 3.0 to 3.5m with SW swell in the south-west until mid-period.
TRISTAN (30S/40S, 00E/20W):
WIND : NW 15 to 25 in the central spreading to the east, reaching 30 in
some places in the south after mid-period, but W to SW 15 to 25
in the south-west spreading over the west and south towards mid-
period.
VIS : Good, but moderate in showers and thundershowers in the west,
central to the south-east spreading to the north-east from mid-
period.
SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.5m in the south-west spreading
to the south from mid-period, with W to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : W to NW 15 to 25 reaching, 30 to 35 after mid-period in the
south-west becoming 15 to 25 in the extreme south-west towards
end of the period otherwise, S to SE 05 to 15.
VIS : Good, but moderate in showers and thundershowers in the south-
west spreading to the west and south-central from the mid-period.
SEA STATE: 3.0 to 4.0m with SW swell, reaching 4.5 to 5.5m in places in
the south and east at first, with SW swell in the west.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : Cyclonic 20 to 30 reaching 35 to 45 over the southern, central
and in the western parts at first, becoming W to SW 15 to 25 in
the west and central parts from mid-period, reaching 30 in places
in the central towards the end of the period and N to NE 15 to 25
in the east from mid-period, reaching 30 over the eastern parts
towards the end of the period.
VIS : Moderate to poor in showers and thundershowers but clearing in
the west after mid-period.
SEA STATE: 4.0 to 5.0m but 5.5 to 6,5 over the central and west, reaching
7.0 to 8.0m in places in the south and north at first, with E
to NE swell in the east but, SE swell in the west and SW swell in
the north-west.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : W to SW 20 to 30 in the south-west in the west, reaching 35 to 40
in the extreme south-west at first, becoming variable 05 to 10 in
the north-west from mid-period but N to NW 15 to 25 over
the central and E to NE 10 to 20 in the east reaching 25 to 30
over the southern until the evening.
VIS : Good, but moderate to poor in showers and thundershowers in the
central and south-west, but clearing in the south-west toward end
of the period.
SEA STATE: 3.0 to 4.0m in reaching 4.5 to 5.5m in the south-west but 6.0 to
6.5m in the extreme south-west at first, with S to SW swell.
MOZAMBIQUE CHANNEL:
WIND : E to NE 05 to 15 over the central and east but W to NW 10 to 15
in the south-west until mid-period becoming variable 05 to 10
after mid-period.
VIS : Good but moderate in showers and rain until mid-period.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to NE 05 to 15 in the south and central reaching 20 in the
extreme south-west, otherwise SE 10 to 20.
VIS : Good, but moderate in showers and rain in some places in the west
and north-west.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : W to SW 15 to 25 in the south spreading to the extreme east but
E to SE 15 to 25, reaching 30 to 40 in the north-west, but 45 to
in the extreme north-west at first otherwise variable
05 to 10 in the south-east.
VIS : Good, but moderate to poor moderate in showers and rain in the
north.
SEA STATE: 4.0 to 5.0m in the north and south, reaching 5.5 to 6.5m in the
north but 7.0 to 7.5 in the extreme north-west at first otherwise
3.0 to 3.5m, with SW swell in the south but S to SE swell in the
central and north.
AREA 2:
=======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA
ACK (AMSTERDAM-CROZET-KERGUELEN)
26/05/07 AT 1600UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40%
STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- GALE EXPECTED OVER KER.
PART 2: GENERAL SYNOPSIS, 26/05/07 AT 1200UTC
- HIGH 1032 NEAR 47S/23E EXTENDING BY NORTHEASTWARD RIDGE OVER WAM.
- COLD FRONT AXIS 30S/74E, 35S/80E, 40S/82E MOVING AWAY FROM THE
AREA.
PART 3: FORECAST FOR 24 HOURS FROM 26/05/07 AT 1800UTC TO 26/05/08
AT 1800UTC
WAM (30S/40S, 50E/65E)
SHOWERS MOVING INTO THE FAR WEST BY THE END OF THE PERIOD.
WIND : ANTICLOCKWISE, 3 TO 5, INCREASING NORTHERLY 4/5 OVER WESTERN
AREA AHEAD A NEW FRONT AND INCREASING SOUTH-EAST 4 TO 6 OVER
SOUTH-EASTERN BY THE END OF THE PERIOD.
SEA : ROUGH TO VERY ROUGH, BECOMING MODERATE TO ROUGH. SOUTH SWELL OF
3 TO 5 METRES, SUBSIDING.
VIS : POOR DURING RAINFALL.
AMS (30S/40S, 65E/80E)
RAIN AND FRONTAL SHOWERS WITH A COLD FRONT. SHOWERS BEHIND THE FRONT.
WIND : SOUTH-WESTERLY 6 TO 7 BEHIND THE COLD FRONT, EASING LATER TO
WESTERLY 4 TO 6 BY THE WEST, THEN SOUTH-WESTERLY 5 TO 7 TOWARDS THE
END OF THE PERIOD. STRONG GUSTS.
SEA : ROUGH TO VERY ROUGH. SOUTH-WESTERLY SWELL 3 TO 5 METERS,
ABATING.
VIS : POOR TO VERY POOR DURING RAINFALL.
CRO (40S/50S, 50E/65E)
SHOWERS WILL BE MORE FREQUENT OVER EASTERN.
WIND : SOUTH-WESTERLY, FORCE 4 TO 6; LOCALLY AND TEMPORARILY
ANTICLOCKWISE 3/4 OVER NORTH-WESTERN AREA AT THE END OF THE FORECAST
PERIOD.
SEA : ROUGH TO VERY ROUGH. SOUTH-WESTERLY SWELL, 3 TO 4 METERS.
VIS : POOR DURING RAINFALL.
KER (40S/50S, 65E/80E)
SHOWERS BECOMING MORE FREQUENT TOWARDS THE END OF THE NIGHT.
WIND : SOUTH-WESTERLY 4 TO 5, INCREASING WESTERLY TO SOUTH-WESTERLY 6
TO 8 OVER THE WESTERN AREAS. STRONG GUSTS.
SEA : ROUGH TO VERY ROUGH, BECOMING ROUGH. SOUTH-WESTERLY SWELL 3 TO
5 METERS, SUBSIDING AND CROSSING WITH A STRONG WIND SEA.
VIS : POOR TO VERY POOR IN RAINFALL