WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
14TH OF APRIL 2026 AT 16:00 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.
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:
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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
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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, OTHERWISES 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 1600UTC
AVERAGED WIND SPEED ON BEAUFORT SCALE. (WIND GUSTS MAY BE ABOUT 40%
STRONGER THAN THE AVERAGES GIVEN HERE).
PART 1: WARNING
- GALE FORCE 8 OVER KER AREA.
PART 2: GENERAL SYNOPSIS, 26/04/14 AT 1200UTC
- COLD FRONT CF AXIS 40S/69E, 45S/80E, 50S/85E, 58S/84E MOVING EASTWARD.
- HIGH 1021 HPA NEAR 41S/48E MOVING EASTWARD.
- DISTURBANCE OVER SOUTHERN CRO MOVING EASTWARD.
PART 3: FORECAST FOR 24 HOURS FROM 26/04/14 AT 1800UTC TO 26/04/15
AT 1800UTC
WAM (30S/40S, 50E/65E)
RAIN, SHOWERS AND OCCASIONAL THUNDERSTORMS OVER NORTHERN AREA.
WIND : SETTLING E TO SE 4/5 LOCALLY 6
SEA : MODERATE TO ROUGH. SW SWELL 2 TO 3 METERS.
VIS : POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
FRONTAL RAIN AND SHOWERS UNDER CF. OCCASIONAL THUNDERSTORMS OVER
NORTHERN AREA.
WIND : N TO NW 3/4 THEN SETTING UP SE 4/5 OVER SOUTHERN AREA.
SEA : BECOMING MODERATE TO ROUGH. SW SWELL 2 TO 3 METERS.
VIS : POOR IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
SHOWERS OVER SOUTHERN AREA.
WIND : ANTICLOCKWISE 3/4 OVER NORTHERN AREA SETTING UP NW 5 TO 6
LOCALLY 7 BY WESTERN AREA.
SEA : ROUGH TO VERY ROUGH BECOMING MODERATE TO ROUGH.SW 4 TO 5 METERS
AT THE BEGINNING ABATING 2 TO 3 METERS AT THE END.
VIS : POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
RAIN OR FRONTAL SHOWERS UNDER CF OVER THE FAR NORTH THEN
SHOWERS OVER SOUTHERN AREA AT END.
WIND : W TO SW 5 TO 6 LOCALLY 7/8 WITH GUSTS OVER SOUTHERN AREA.
SEA : ROUGH TO VERY ROUGH. SW SWELL 4 TO 5 METERS.
VIS : POOR OR VERY POOR IN PRECIPITATION.