WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII EAST OF 20E.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
19th OF SEPTEMBER 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 192200 TO 202200 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 EAST : N to NW 35 in the south-east at first.
2. MARION FORTIES EAST: W to NW 35 in the north-east by mid-period, but
SW 35 in the south.
SYNOPTIC CHART 12:00Z
=====================
High 1030 hPa 33s02e, High 1035 hPa 35s42e
Low 955 60s23e Low 960 hPa 63s59e.
1. Cold Front: 44s30e 47s42e 53s51e into 63s59e.
AREA FORECAST:
==============
CAPE EAST (32.5S/40S, 20E/50E):
WIND : Anticyclonic 05 to 10 in the north-east, otherwise N to NW 05
to 15, reaching 25 to 35 in the south-east at first, but SE 05
to 10 in the south-west.
VIS : Good becoming moderate to poor in places in the north-east and
the south-east at first.
SEA STATE: 3.0 to 3.5m in the extreme south-east, with SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : SE 05 to 15 in the north-west at first, otherwise E to
NE 15 to 25.
VIS : Good but moderate to poor in showers and rain in the north-
East.
SEA STATE: 3.0m in the central north, with S to SE swell.
MOZAMBIQUE CHANNEL:
WIND : S to SE 15 to 25 in the south, otherwise S to SW 05 to 15, but
variable 05 to 10 in the north-west.
VIS : Good.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : N to NE 05 to 15 in the south, otherwise E to SE 15 to
25, reaching 30 in the north-west.
VIS : Moderate in showers and rain in the central and north-eastern
parts, otherwise good.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : W to NW 15 to 25, reaching 30 to 35 in the north-east by mid-
period, but SW 25 to 35 in the south.
VIS : Good but moderate in showers and rain in the north but poor in
snow-showers over the south-east.
SEA STATE: 3.0 to 4.0m reaching 5.0 to 6.0m in the central parts, but
reaching 7.0 to 10.0m in the extreme south-west towards the
end of the period, with W to SW swell.
AREA 2:
======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
26/09/19 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 CRO.
PART 2: GENERAL SYNOPSIS, 26/09/19 AT 1200UTC
- DISTURBED FRESH OR STRONG WESTERLY FLOW OVER SOUTHERN PART OF
BASIN.- COLD FRONT AXIS: 43S/31S, 47S/45E, 50S/50E, 58S/55E MOVING
EASTWARD 30KT .- ANTICLOCKWISE 1035 HPA NEAR 39S/43E EXPECTED 1032
HPA NEAR 34S/54E AT END.
PART 3: FORECAST FOR 24 HOURS FROM 26/09/19 AT 1800UTC TO 26/09/20
AT 1800UTC
WAM (30S/40S, 50E/65E)
SHOWERS OVER SOUTHERN.
WIND: ANTICLOCKWISE 3 TO 5, SETTING-UP WESTERLY 5 TO 6 OVER SOUTHERN SOON.
SEA: MODERATE OR ROUGH, VERY ROUGH OVER FAR SOUTHERN. SW SWELL 2 TO 3 M.
VISI: POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
SHOWERS OVER EASTERN.
WIND: VARIABLE 3 TO 5 BECOMING ANTICLOCKWISE 3 TO 4 OVER NORTHERN AT END AND WESTERLY 5 TO 6 OVER SOUTHERN.
SEA:MODERATE OR ROUGH. SW SWELL 2 TO 3 M.
VISI: POOR IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
FRONTAL SHOWERS. SNOW SHOWERS OVER SOUTHERN AREA.
WIND: WESTERLY TO NORTH-WEST 6 TO 7, LOCALLY 8. SEVERE GUSTS.
SEA: ROUGH OR VERY ROUGH, HIGH BY SOUTH-WESTERN AT END. WESTERLY SWELL 3 TO 5 M.
VISI: POOR TO VERY POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
FRONTAL SHOWERS. SNOW SHOWERS OVER SOUTHERN AREA.
WIND: WESTERLY TO NORTH-WEST 6 TO 7, DECREASING 5 TO 6 OVER SOUTHERN AT END. GUSTS.
SEA: ROUGH OR VERY ROUGH. WESTERLY SWELL, 3 TO 5 M.
VISI: POOR IN PRECIPITATION.=