WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
14th of APRIL 2026 AT 13:30 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 142200 TO 152200 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 WEST: SW to W 35 in the south-west, spreading to the south-east
towards mid-period.
2. CAPE EAST: SW to W 35 in the extreme west, moderating from mid-period.
3. MARION FORTIES EAST: N to NW 35 over the central and eastern parts.
SYNOPTIC CHART 12:00Z
=====================
High 1028 hPa 37s19w, High 1024 41s48e
Low 1020 43s35w, 980 hPa 53s12e,
1. Cold front: 32s14w 38s20e 45s24e 52s19e into 53s12e
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 10 to 15.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 05 to 15, but variable 05 to 10 in the north-east.
VIS : Good, but moderate in showers and thundershowers at times in the
north and central parts.
ST HELENA (15S/30S, 00E/20W):
WIND : SE to E 05 to 15 reaching 20 to 25 in the south-east and north-
east.
VIS : Good but moderate in frontal band of showers and rain in the
south.
SEA STATE: 3.0m in the extreme eastern parts, with S to SW swell.
TRADES (15S/30S, 00E/WEST COAST):
WIND : Variable 05 to 10 in the south-east, otherwise S to SE 10 to 20
reaching 25 north-east.
VIS : Good, but moderate in showers and rain in the south-east.
SEA STATE: 3.0 to 4.0m in the south-eastern parts, with S to SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : S to SE 05 to 15 in the north, otherwise W to SW 15 to 25
reaching 30 to 35 in the south-east by mid-period, but
anticyclonic 05 to 15 in the west.
VIS : Good, but moderate in showers and rain in the south-east mid
period.
SEA STATE: 4.0 to 5.0m in the eastern half at first, otherwise 3.0 to 4.0m
subsiding from in the south-west towards mid-period, with W to
SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : W to NW 05 to 10 in the north-east, otherwise SW to W 15 to 25,
reaching 30 to 35 in the south-west, spreading to the south-east
towards mid-period.
VIS : Good, but moderate to poor in showers and rain in the east.
SEA STATE: 3.0 to 4.0m, reaching 5.0 to 7.0m in the south, spreading to the
east by the end of the period, with W to SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : E to NE 15 to 25 in the east, otherwise SW to W 15 to 25,
reaching 30 to 35 in the extreme west moderating from mid-period.
VIS : Good, but moderate in showers and thundershowers in the west,
spreading to the central parts by mid-period.
SEA STATE: 3.0 to 4.0m in the south-west, spreading west, while reaching 4.5
to 5.5m in the extreme south-west from mid-period, with SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : SE to E 05 to 15 in the east, otherwise N to NE 10 to 20, but NW
to W 15 to 25 in the south-west towards the end of the period.
VIS : Moderate to poor in showers and thundershowers in the south-west
and eastern parts.
MOZAMBIQUE CHANNEL:
WIND : Variable 05 to 10 in the north-east, otherwise S to SE 05 to 15,
reaching 20 to 25 in the south-east.
VIS : Good, but moderate in showers and thundershowers in places in
the north.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to SE 10 to 20, but variable in the south.
VIS : Moderate in showers and thundershowers in places.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : W to SW 05 to 15 in the west, otherwise N to NW 15 to 25 to
reaching 30 to 35 over the central and eastern parts.
VIS : Good, but moderate to poor in thundershowers in the west
spreading to the south-east.
SEA STATE: 3.0 to 3.5m except in the extreme north-east, reaching 4.0 to
6.0m in the south-east by mid-period, 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)
26/04/14 AT 0500UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40%
STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- GALE OVER SOUTHERN KER AT FIRST.
PART 2: GENERAL SYNOPSIS, 26/04/14 AT 0000UTC
- FILLING LOW 1010 HPA NEAR 36S/51E, WITH ASSOCIATED WAVING FRONT
MOVING EASTWARD.
- HIGH 1020 HPA AT EAST OF CRO MOVING EASTWARD.
- DISTURBANCE OVER SOUTHERN CRO TONIGHT MOVING EASTWARD.
PART 3: FORECAST FOR 24 HOURS FROM 26/04/14 AT 0600UTC TO 26/04/15 AT
0600UTC
WAM (30S/40S, 50E/65E)
RAIN, SHOWERS AND OCCASIONAL THUNDERSTORMS.
WIND: CLOCWISE 2/4, SETTLING SE 4/5 LOCALLY 6 LATER
SEA : MODERATE, BECOMING ROUGH IN THE SOUTH.
VIS : POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
SHOWERS, WITH OCCASIONAL THUNDERSTORMS.
WIND: NORTH TO NORTH-WESTERLY 3/4 THEN SETTING UP SE 4/5 BY SOUTHERN.
SEA : MODERATE BECOMING ROUGH LATER BY SOUTH-WESTERN. SW SWELL 3 TO 4
BY SOUTH-WESTERN AT THE END.
VIS : POOR IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
SHOWERS, RAIN OR FRONTAL SHOWERS BY SOUTHWEST LATER.
WIND: ANTICLOCKWISE 3/4 AT NORTH SETTING UP WESTERLY 5 TO 6 LOCALLY 7
IN SOUTH.
SEA : ROUGH TO VERY ROUGH LOCALLY HIGH IN SOUTH-EAST AT FIRST BECOMING
MODERATE TO ROUGH AT THE END. SW 3 TO 5 M FROM NORTH TO SOUTH.
VIS: POOR OR VERY POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
RAIN OR FRONTAL SHOWERS OVER THE FAR NORTH.
WIND: NW 4 TO 5 AHEAD OF THE FRONT BACKING SW 5 TO 6 LOCALLY 7/8 WITH
GUSTS OVER SOUTHERN.
SEA : MODERATE TO ROUGH IN NORTH AND VERY ROUGH TO HIGH BY
SOUTH-WESTERN. SW SWELL 4 TO 6 M BY WESTERN.
VIS : POOR OR VERY POOR IN PRECIPITATION =