WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
08TH OF MAY 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.
FORECAST VALID FROM 082200 TO 092200 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 in the south and eastern parts until in the
evening.
2. CAPE WEST : SW 35 in the west and south-west.
3. CAPE EAST : W to NW 35 in the west by the end of the period.
4. MARION-FORTIES EAST : Cyclonic 35 to 40 in the west and north-west
at first.
SYNOPTIC CHART 12:00Z
=====================
High 1022 hPa 49s33e
Low 991 hPa 47s05e, Low 997 hPa 38s34e
1. Cold Front: 32s11w 36s03w 40s01e into 47s05e.
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 10 to 20, reaching 25 in the south-west.
VIS : Good.
SEA STATE: 3.0m in the west, with SE swell.
ANGOLA (06S/15S, 00E/00N):
WIND : SW 05 to 10 in the east, otherwise S to SE 10 to 20.
VIS : Good.
SEA STATE: 3.0m in the south at first, with S to SE swell.
ST HELENA (15S/30S, 00E/20W):
WIND : S to SE 15 to 25.
VIS : Good, becoming moderate showers and rain in the extreme south-
east until mid-period.
SEA STATE: 3.0 to 3.5m in the south-east, with S to SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : Variable 05 to 10 in the south, becoming W to SW 20 to 30 from
the morning, otherwise S to SE 15 to 25.
VIS : Good, becoming moderate in showers and rain in the south-west
from the morning, drifting to the south from mid-period, as well
as south-east by the end of the period.
SEA STATE: 3.0m in the north at first, with S to SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : Anti-cyclonic 05 to 15 in the west, otherwise S to SW 15 to 25,
reaching 30 to 35 in the south and eastern parts until in the
evening. It will become W to NW 15 to 25 in the south-west from
mid-period, spreading to the south-east by the end of the period.
VIS : Good, but moderate in showers and thundershowers in the east.
SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in the south and east, with W
to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : Variable 05 to 10 in the east, but W to NW 20 to 30 in the
central and southern parts, drifting to the eastern parts from
mid-period, otherwise SW 20 to 30, reaching 35 in the west and
south-west.
VIS : Good, but moderate to poor in showers and thundershowers in the
west and central parts, spreading to the south-east from mid-
period, as well as east by the end of the period.
SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in places in the south-west,
spreading to the west from the morning, with SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : Variable 05 to 10 in the extreme west at first, otherwise W to NW
15 to 25, reaching 30 in places in the central and southern
parts, but 35 in the west by the end of the period.
VIS : Moderate to poor in showers and thundershowers in the east at
first, otherwise moderate in showers and rain.
SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in the central and western
parts at first, with cyclonic swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : W to NW 15 to 25 in the south-western parts at first, but N to NE
15 to 25 in the east, otherwise variable 05 to 10.
VIS : Good, but moderate to poor in showers and thundershowers in the
Central, south-west and south-east.
SEA STATE: 3.0 to 4.0m in the west, reaching 4.5m in the south-west at
first, with S to SW swell.
MOZAMBIQUE CHANNEL:
WIND : Anti-cyclonic 05 to 15.
VIS : Good but moderate in showers and thundershowers in the southern
Parts until mid-period.
SEA STATE: 3.0m in the south-west at first, with S to SE swell.
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, but moderate in showers and rain in the north.
SEA STATE: 3.0 to 4.0m in the south, eastern parts, drifting to the north
from mid-period, with SE swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : Anti-cyclonic 05 to 15 in the southern parts at first, otherwise
cyclonic 15 to 25, reaching 30 to 40 in the west and north-west
at first.
VIS : Good, but moderate to poor moderate in showers and rain in the
north and central parts, spreading to the south by the end of the
period.
SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0 in the north-west until mid-
period, with E to NE swell, but SW in the south-west.
AREA 2:
=======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA
ACK (AMSTERDAM-CROZET-KERGUELEN)
26/05/08 AT 1600UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40%
STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- LOCALLY GALE OVER AMS AND KER.
PART 2: GENERAL SYNOPSIS, 26/05/08 AT 1200UTC
- HIGH 1025 HPA NEAR 33S/59E MOVING SLOWLY EASTWARD WITH RIDGE TO THE
SOUTHWEST.
- FRONT CF ARRIVING SOON OVER WEST WAM AND WEST CRO.
- LOW 989 HPA NEAR 46S/78E WITH ASSOCIATED FRONT, LEAVING SOON THE
AREA TO THE EAST.
PART 3: FORECAST FOR 24 HOURS FROM 26/05/08 AT 1800UTC TO 26/05/09
AT 1800UTC
WAM (30S/40S, 50E/65E)
RAIN AND FRONTAL SHOWERS IN THE WEST, WITH LOCAL THUNDERSTORMS.
WIND: ANTICLOCKWISE 3/5, BUT SOUTHWESTERLY 5/6 IN THE SOUTHEAST AT
FIRST, SOON INCREASING NORTH TO NORTHEAST 5/6, VERY LOCALLY 7 IN THE
WEST WITH THE ARRIVAL OF THE FRONT, DECREASING NORTHWESTERLY 3/4 IN
THE SOUTHWEST AT END.
SEA : MODERATE TO ROUGH, LOCALLY VERY ROUGH IN THE SOUTHEAST. SOUTH
SWELL, 2/4 METERS IN EAST.
VIS : POOR TO VERY WITH PRECIPITATION.
AMS (30S/40S, 65E/80E)
RAIN AND FRONTAL SHOWERS IN THE SOUTHEAST AT FIRST.
WIND: SOUTHWEST 4 TO 7, FROM NORTHWEST TO SOUTHEAST, REACHING 8
LOCALLY IN THE SOUTHEAST AT FIRST, SETTLING SOUTHERLY 3 TO 5 IN THE
WEST LATER.
SEA : VERY ROUGH, BUT ROUGH IN THE NORTHWEST AND HIGH IN THE FAR
SOUTHEAST. SOUTHWEST SWELL 3 TO 5 METERS.
VIS : POOR WITH PRECIPITATION.
CRO (40S/50S, 50E/65E)
RAIN AND FRONTAL SHOWERS IN THE NORTHWEST, LOC THUNDERSTORMS.
WIND: VARIABLE ANTICYCLONIC 2/4 AHEAD OF THE FRONT, SETTLING SOON
NORTHEAST 5/6 WITH THE FRONT IN THE NORTHWEST, BACKING NORTHWEST 3/4
BEHIND IT IN THE FAR NORTHWEST AT THE END. BUT IN THE EASTERN ZONE,
SOUTHWEST 5/6, REACHING 7 AT FIRST.
SEA : ROUGH TO VERY ROUGH FROM WEST TO EAST. SOUTHWEST SWELL 2 TO 4
METERS. NORTHWEST SWELL 3 METERS IN THE NORTHWEST BEHIND THE FRONT.
VIS : POOR TO VERY POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
RAIN AND FRONTAL SHOWERS.
WIND: SOUTHWESTERLY 6/7, LOCALLY 8, DECREASING 4/5 IN THE NORTHWEST
AT END. BUT CLOCKWISE 3/5 IN THE FAR SOUTHEAST AT START.
SEA : VERY ROUGH, LOCALLY HIGH, BUT ROUGH IN THE SOUTHEAST AT START.
SOUTHWESTERLY SWELL 3 TO 4 METERS.
VIS : POOR TO VERY POOR WITH PRECIPITATION.