WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
22nd 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 212200 TO 222200 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. MARION FORTIES EAST: W to SW 35 in the north-east at first.
SYNOPTIC CHART 12:00Z
=====================
High 1028 hPa 37s10w
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 10 to 20.
VIS : Good, but moderate in showers in the extreme north at times.
ANGOLA (06S/15S, 00E/00N):
WIND : SW 05 to 15 in the south-east at first, otherwise S to SE 10 to
20.
VIS : Good, but moderate in showers in the north-east.
ST HELENA (15S/30S, 00E/20W):
WIND : S to SE 15 to 25 in the north, otherwise variable 05 to 10, but N
to NW 05 to 15 in the south-east.
VIS : Good, but moderate in showers and thundershowers in the south-
west.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 10 to 20, but variable in the north-east.
VIS : Good.
SEA STATE: 3.0 to 4.0m, reaching 4.5m in the south-east, with S to SE swell.
TRISTAN (30S/40S, 00E/20W):
WIND : Variable 05 to 10 in the north-east, otherwise S to SE 15 to 25,
but NW to W 05 to 15 in the east.
VIS : Good, but moderate to poor in frontal band of showers and
thundershowers in the north, central, and the south-east.
SEA STATE: 3.0 to 4.0 in the south-west, with W to NW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : E to SE 15 to 25 in the north-east, otherwise variable 05 to 10,
but N to NW 15 to 25 in the south-west drifting to the south-east
from mid-period.
VIS : Moderate in showers and rain in the south-west, otherwise good.
SEA STATE: 3.0 to 4.0m reaching 4.5 to 5.5m in the north-east subsiding
towards the end of the period, with S to SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : Anticyclonic 05 to 10 in the south-west spreading to the south-
east by mid-period, otherwise S to SW 10 to 20, reaching 25 to 30
at in places in the east.
VIS : Moderate to poor in frontal band of showers and thundershowers in
the north-east to south-east.
SEA STATE: 3.5 to 4.5m in the east at first, otherwise 5.0 to 6.0m drifting
to the east towards mid-period, with W to SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND :S to SE 15 to 25 in the south-west, otherwise E to NE 10 to 20,
but variable 05 over the central parts until mid-period.
VIS : Good, but moderate to poor in frontal band of showers and
thundershowers in the central north and the south-east.
SEA STATE: 3.0 to 4.0m in the south-west, reaching 4.5m and spreading to the
central parts, with S to SW swell.
MOZAMBIQUE CHANNEL:
WIND : Variable 05 to 10 in the north-east, otherwise S to SE 05 to 15,
reaching 20 to 30 in the south.
VIS : Good, but moderate in showers and rain in the south-west and the
north.
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 NE 05 to 15 in the south, otherwise SE 10 to 20 reaching 25
in the extreme north-west at first.
VIS : Moderate in showers and thundershowers in places over the north
and central parts, otherwise good.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : W to SW 10 to 20 reaching 25 to 35 in the north-east at first,
the south will become NW to W 20 to 30 from mid-period.
VIS : Moderate to poor rain and showers in places at first otherwise
good.
SEA STATE: 5.0 to 6.0m in the drifting to the east by mid-period, subsiding
to 3.0 to 4.0m in in the north-west towards the end of the
period, with W to NW swell.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
26/04/22 AT 0400UTC
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 CRO.
PART 2: GENERAL SYNOPSIS, 26/04/22 AT 0000UTC
- LOW 960 HPA NEAR 62S/45E WITH COLD FRONT CF ASSOCIATED AND AXIS
37S/35E, 44S/42E, 46S/43E, 50S/47E MOVING EASTWARD 15/20KT.
- HIGH 1028HPA NEAR 35S/74E.
PART 3: FORECAST FOR 24 HOURS FROM 26/04/22 AT 0600UTC TO 26/04/23 AT
0600UTC
WAM (30S/40S, 50E/65E)
FRONTAL RAIN, SHOWERS AND SQUALLS UNDER CF.
WIND: INCREASING NW 5 TO 6 WITH GUSTS AHEAD CF AND BACKING SW 3 TO 4
BEHIND CF.
SEA : MODERATE TO ROUGH. W SWELL 2 TO 3 METERS.
VIS : VERY POOR UNDER PRECIPITATION.
AMS (30S/40S, 65E/80E)
FEW SHOWERS.
WIND : ANTICLOCKWISE 2 TO 4.
SEA : MODERATE TO LOCALLY ROUGH OVER EASTERN AREA. S SWELL 2 TO 3
METERS.
VIS : GOOD.
CRO (40S/50S, 50E/65E)
FRONTAL RAIN, SHOWERS AND SQUALLS UNDER CF.
WIND: INCREASING NW 5 TO 6, LOCALLY 7 WITH SEVERE GUSTS AHEAD CF
BACKING W 5 TO 6 BEHIND CF BUT LOCALLY 8 OVER SOUTHERN AREA.
SEA : MODERATE TO ROUGH LOCALLY VERY ROUGH. W SWELL 3 TO 4 METERS.
VIS : VERY POOR WITH PRECIPITATION.
KER (40S/50S, 65E/80E)
FEW SHOWERS BUT FRONTAL RAIN AND SHOWERS UNDER CF AT END BY WESTERN
AREA.
WIND: NW 5 TO 6 LOCALLY 7 AHEAD CF.
SEA : MODERATE TO ROUGH. SW SWELL 2 TO 3 METERS.
VIS : POOR UNDER PRECIPITATION.=