WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
09TH OF MAY 2026 AT 16:45 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 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 : NW to W 35 in the south-east.
2. CAPE WEST : W to NW 35 in the extreme east at first and SW 35 to 40 in
the central and eastern parts until mid-period but in the
south-west from mid-period spreading to the central parts by
the end of the period.
3. CAPE EAST : Cyclonic 35 to 45 in the south-west towards mid-period and W
to NW 35 to 45 in the north-west from mid-period.
4. MARION FORTIES EAST: NE 35 in the north-east towards the end of the
period.
SYNOPTIC CHART 06:00Z
=====================
High 1028 hPa 33s17w
Low 984 hPa 61s20e, Low 994 hPa 42s356
1. Cold Front: 26s00e 30s07e 35s11e 40s15e 45s16e 50s17e into 60s17e.
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 10 to 20.
VIS : Good.
SEA STATE: 3.0m in the south-west, with SE swell.
ANGOLA (06S/15S, 00E/00N):
WIND : SW 05 to 15 in the east, otherwise S to SE 10 to 20.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : SE to E 10 to 20, becoming anticyclonic 05 to 10 in the south
from mid-period.
VIS : Good.
SEA STATE: 3.0m in the north-west, with SE swell. 3.0 to 4.0m in the south,
with SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : NW 15 to 25 in the extreme south-east at first, but SW 15 to 25
in the south reaching 30 until mid-period, otherwise S to SE 10
to 20.
VIS : Good, but moderate in showers and rain in the south-east until
mid-period.
SEA STATE: 3.0 to 4.0m in the south reaching 5.0m in the extreme south, with
SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : Anticyclonic 05 to 15 in the north-west, but S to SW 15 to 25
in the east, otherwise W to NW 20 to 30 spreading to the east
towards mid-period while reaching 35 in the south-east.
VIS : Good, but moderate in showers and rain in the south-east.
SEA STATE: 3.0 to 3.5m, reaching 4.5 to 6.0m in the south and east, with SW
swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : W to NW 25 to 35 in the extreme east at first, otherwise SW 20 to
30, reaching 35 to 40 in the central and eastern parts until mid-
period and in the south-west from mid-period spreading to the
central parts by the end of the period.
VIS : Good in the north-west, otherwise moderate in showers and rain,
but poor in places in the east until mid-period.
SEA STATE: 3.0 to 4.0m in the east at first, otherwise 5.0 to 6.0m in the
reaching 6.5 to 7.0m in the central-east and south-west towards
the end of the period, with SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : W to NW 15 to 25, but NE to N 20 to 30 in the west becoming
cyclonic 30 to 45 in the south-west towards mid-period. It will
become W to NW 35 to 45 in the north-west from mid-period.
VIS : Good, becoming moderate to poor in the west towards mid-period
spreading to the central parts by the end of the period.
SEA STATE: 3.0 to 3.5m, becoming 5.0 to 6.0m in the west from mid-period
reaching 6.5 to 8.0m in the north-west towards the end of the
period, with SW to W swell, but NW swell in the east.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : N to NE 10 to 20 reaching 25 to 30 in the west becoming W 30 to
40 in the extreme south-west towards the end of the period.
VIS : Good, but moderate to poor in showers and thundershowers in the
south-east until mid-period and in the extreme south-west towards
the end of the period.
SEA STATE: 3.0 to 3.5m in the south-west, with S to SW swell.
MOZAMBIQUE CHANNEL:
WIND : SE to E 05 to 15, but N to NE 10 to 20 in the south-west reaching
25 towards the end of the period.
VIS : Good.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to NE 05 to 15 in the south, otherwise S to SE 15 to 25.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the north, with SE swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : E to NE 15 to 25, otherwise NW to N 15 to 25 spreading to the
south by the end of the period. It will become NE 25 to 35 in the
north-east towards the end of the period.
VIS : Good but moderate in showers and rain until mid-period.
SEA STATE: 3.0 to 4.0m, with N to NW swell, but NE in the south until mid-
period.
AREA 2:
=======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
26/05/09 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, 26/05/09 AT 1200UTC
Low 981 near 45S/86E, moving south-eastward
Cold front CF 30S/45E, 40S/52E, 45S/49E.
High 1025 over WAM and AMS with mobile ridge toward CRO.
PART 3: FORECAST FOR 24 HOURS FROM 26/05/09 at 1800UTC to 26/05/10 at 1800UTC
WAM (30S/40S, 50E/65E)
Rain, showers and squalls (CF).
WIND: North-westerly 4/6 becoming anticlockwise 2/4 at end.
SEA: Moderate over northern, locally rough over southern.
VIS: Poor to very poor in precipitation.
AMS (30S/40S, 65E/80E)
Showers and squalls over southeastern at first, over southwestern (CF) later.
WIND: SW 4/6 locally 7 over far southeastern, backing Westerly 4/6 over
western at end.
SEA: Rough to very rough becoming moderate over western at end. SW swell 3
to 5 m abating over western at end.
VIS: Poor to very poor in precipitation.
CRO (40S/50S, 50E/65E)
Rain, showers and squalls (CF).
WIND: Clockwise 4/6 over northwestern at first decreasing NW 3/5.
SEA: Rough becoming moderate at end.
VIS: Poor to very poor in precipitation.
KER (40S/50S, 65E/80E)
Showers and squalls over eastern, over far northwestern (CF) later.
WIND: SW 6/7 locally 8 over eastern, becoming anticlockwise 3/5 at end.
Severe gusts.
SEA: Rough to very rough, locally high over eastern. SW swell 2 to 4 m.
VIS: Poor to very poor in precipitation.