WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
11TH OF MARCH 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 111000 TO 121000 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:
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1. CAPE EAST: E to NE 35 in the north-west at times.
SYNOPTIC CHART 06:00Z
=====================
High 1028 hPa 38s33e
Low 972 hPa 54s01w.
1. Cold Front: 30s16w 34s12w 39s04w 45s01e 50s05e into 54s01w.
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 05 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 05 to 15, but SW 05 to 15 in the east.
VIS : Good, but moderate in showers and thundershowers in the south-east at
first.
ST HELENA (15S/30S, 00E/20W):
WIND : s to SE 05 to 15, reaching in the extreme south-west.
VIS : Good, but moderate to poor in showers and thundershowers in the
extreme south-west.
SEA STATE: 3.0 to 4.0m in the south-west, spreading to the west and south-
east from mid-period, with S to SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 05 to 15.
VIS : Good.
TRISTAN (30S/40S, 00E/20W):
WIND : SW 05 to 15 in the south, but variable 05 to 10 in the north-
east, otherwise, S to SE 05 to 15.
VIS : Good, but moderate to poor in showers and thundershowers in the
north and south-east.
SEA STATE: 3.5 to 4.5m except in the north-east during the first half of the
period, reaching 5.0 to 5.5m in the south until tomorrow morning,
with SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : Anti-cyclonic 05 to 15.
VIS : Good, but moderate in showers and rain in the extreme south-west.
SEA STATE: 3.0 to 4.0m in the extreme south-west from mid-period, with SW
swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : SW 15 to 25 in the south-east, but E to NE 15 to 25 in the north-
west, reaching 30 to 35 at times, otherwise anti-cyclonic 05 to
15.
VIS : Good.
SEA STATE: 3.0 to 4.0m in the east and north-west, with SW swell but NE
swell in the north-west.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : E to NE 15 to 25 in the south-west, otherwise S to SE 15 to 25,
reaching 30 in the central and northern parts.
VIS : Good, but moderate in showers and thundershowers in the east and
northern parts.
SEA STATE: 3.0 to 4.0m in the central and west, with S to SE swell.
MOZAMBIQUE CHANNEL:
WIND : NE 05 to 15 in the north, otherwise S to SE 10 to 20, reaching 25
to 30 in the south.
VIS : Good in the south-east, otherwise moderate to poor in showers and
thundershowers in places.
SEA STATE: 3.0 to 3.5m in the south, with S to SE swell.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to SE 05 to 15.
VIS : Moderate in showers and thundershowers in places.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : W to SW 15 to 25, reaching 30 in the west and south-west at
first, as well as in the north-east by mid-period.
VIS : Good, but moderate in showers and rain in the central and south-
west at first.
SEA STATE: 3.0 to 4.0m, except in the north-west, reaching 4.5 to 5.5m in
the east and southern parts, 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)
26/03/11 AT 0600UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40% STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- GALE FORCE 8 RUNNING OVER KER, ENDING SOON.
PART 2: GENERAL SYNOPSIS, 26/03/11 AT 0000UTC
- COLD FRONT (CF) RUNNING QUICKLY OVER CRO AND KER, FOLLOWED BY SQUALLY WEATHER.
- WAVING FRONT AXIS 37S/65E, 43S/80E, MOVING SLOWLY.
- HIGH PRESSURE AREA OVER WAM.
PART 3: FORECAST FOR 24 HOURS FROM 26/03/11 AT 0600UTC TO 26/03/12 AT 0600UTC
WAM (30S/40S, 50E/65E)
SCATTERED SHOWERS.
WIND : VARIABLE 2/4, SETTING-UP SW 3/4 ALL OVER THE AREA SOON AND
INCREASING 5/6 AT END OVER SOUTHWESTERN AREA.
SEA : ROUGH, BUT VERY ROUGH OVER SOUTHERN AREA. LONG SW SWELL 3 TO 5M.
VIS : GOOD TO MODERATE IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
FRONTAL RAIN UNDER CF, SHOWERS ELSEWHERE OVER AREA.
WIND : NORTHERLY TO NORTH-WESTERLY 4/5, AT TIMES 6 OVER SOUTHERN,
DECREASING VARIABLE OVER SOUTHWESTERN AT END.
SEA : ROUGH OVER NORTH TO VERY ROUGH OVER SOUTH, WITH SW SWELL 3 TO 5 M.
VIS : MODERATE OR POOR IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
SCATTERED SHOWERS.
WIND : WSW 6/7 BEHIND OF CF WITH SEVERE GUSTS. DECREASING 3/5 LATER, THEN
INCREASING SW 5/6 OVER FAR NORTHWESTERN AREA AT END.
SEA : VERY ROUGH TO HIGH, BECOMING ROUGH TO VERY ROUGH SOON. W SWELL 4 TO
5 M.
VIS : GOOD OR MODERATE IN SHOWERS.
KER (40S/50S, 65E/80E)
RAIN MOVING NORTHEASTWARDS, SCATTERED SHOWERS ELSEWHERE.
WIND : W 6/7, LOCALLY 8 AT FIRST OVER SOUTHEASTERN, DECREASING 5/6 BY
WESTERN AREA SOON, THEN 3/5 AT END, BUT NW 5/6 OVER FAR
NORTHEASTERN.
SEA : VERY ROUGH TO HIGH BECOMING VERY ROUGH LATER. WSW SWELL 4 TO 6 M.
VIS : POOR OR VERY POOR IN PRECIPITATION.