WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
02nd OF SEPTEMBER 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 022200 TO 032200 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. TRISTAN: N to NW 35 to 40 in the south-west until mid-period.
2. CAPE WEST: Cyclonic 35 to 40 over the central parts, north-east and
east for the first half of the period.
3. CAPE EAST: E to SE 35 to 40 over the western parts towards mid-period.
4. MARION FORTIES EAST : W to SW 35 in the south-west during the first
half of the period, but NW to W 35 to 40 in the
south and south-east until mid-period.
SYNOPTIC CHART 12:00Z
=====================
High 1034 hPa 39s08w, High 1023 hPa 41s37e.
Low 964 hPa 57s65e.
1. Cold Front: 40s44e 44s58w 49s69e into 57s65e.
AREA FORECAST:
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ASCENSION (06S/15S, 00E/20W):
WIND : SE to E 10 to 20.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : SE 10 to 20, but S to SW 05 to 10 in the east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : E to SE 15 to 25 but NE 10 to 20 in the west.
VIS : Good, but moderate in showers and rain in places.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 15 to 25 reaching 30 in the south-east and north-east.
VIS : Good but moderate in rain in the north-west and the south-
east.
SEA STATE: 3.0 to 4.0m reaching 4.5 to 5.5m in the south-east from the
second half of the period, with S to SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : S to SE 15 to 25 over the eastern half, otherwise NE 20 to 30
but N to NW 30 to 40 in the south-west until mid-period.
VIS : Good but moderate in showers and rain in the western parts.
SEA STATE: 3.0 to 4.0m in the western parts, reaching 4.5 to 5.5m in the
south-west, with N to NW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : Cyclonic 30 to 40 over the central parts north-east and east
for the first half of the period, otherwise S to SE 10 to 20
reaching 30 in the north-east and east.
VIS : Moderate to poor in showers and thundershowers in the western
parts.
SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.5m in the north-east and east,
with W to SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : N to NW 10 to 20 in the north-east, otherwise NE to E 10 to
20, but E to SE 15 to 25 over the western parts, reaching 30
to 40 towards mid-period becoming NW 20 to 30 over the eastern
parts from the second half of the period.
VIS : Moderate in showers and thundershowers in places and at times.
SEA STATE: 3.0 to 4.0m, reaching 4.5 to 5.0m in the south with W to SW
swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : N to NE 15 to 25 reaching 30 at times north-east and south-
west becoming SW 20 to 30 towards the end of the period.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the south-west spreading to the southern and
central parts from mid-period, with SW swell.
MOZAMBIQUE CHANNEL:
WIND : Variable 05 to 15 but E to NE 10 to 20 in the south and east.
VIS : Good but moderate in rain in the north.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : E to SE 15 to 25, but E to NE 10 to 20 in the south.
VIS : Moderate in showers and rain in places.
SEA STATE: 3.0m except in the west, with E to SE swell.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : Anti-cyclonic 10 to 15 in the north, otherwise W to SW 20 to
30, reaching 25 to 35 in the south-west during the first half
of the period, but NW to W 30 to 40 in the south and south-
east until mid-period.
VIS : Moderate in showers and rain in the extreme north, otherwise
snow showers over the southern parts.
SEA STATE: 4.0 to 5.0m in the north, otherwise 5.0 to 7.0m, with SW
swell.
AREA 2:
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MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
26/09/02 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 SOUTHERN CRO AND SOUTHERN KER.
PART 2: GENERAL SYNOPSIS, 26/09/02 AT 0000UTC
- LOW 960 HPA NEAR 54S/51E WITH COLD FRONT CF ASSOCIATED AND AXIS 39S/38E, 41S/45E, 45S/57E, 52S/63E MOVING EASTWARD 20 KT.- HIGH 1033 HPA NEAR 30S/74E, SLOW-MOVING.
PART 3: FORECAST FOR 24 HOURS FROM 26/09/02 AT 0600UTC TO 26/09/03 AT 0600UTC
WAM (30S/40S, 50E/65E)
SCATTERED SHOWERS THEN FRONTAL RAIN AND SHOWERS UNDER CF OVER SOUTHERN AREA AT END.
WIND : W TO NW 4 OR 5.
SEA : MODERATE TO ROUGH BECOMING VERY ROUGH OVER SOUTHERN AREA. SW
SWELL 2 TO 4 METERS FROM NORTH TO SOUTH.
VIS : POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
SCATTERED SHOWERS.
WIND : NW 4 OR 5 OVER SOUTHERN AREA, BUT ANTICLOCKWISE 2 TO 3 OVER
NORTHERN AREA.
SEA : MODERATE TO ROUGH LOCALLY VERY ROUGH. SW SWELL 2 TO 3 METERS.
VIS : POOR IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
FRONTAL RAIN AND SHOWERS UNDER CF.
WIND : NW 4 OR 5, INCREASING 6 OR 7 AHEAD CF BACKING W TO SW 6 TO 7
LOCALLY 8 BEHIND CF. GUSTS.
SEA : BECOMING ROUGH TO VERY ROUGH LOCALLY HIGH OVER SOUTHERN AREA. SW
SWELL 4 TO 6 METERS.
VIS : VERY POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
FRONTAL RAIN AND SHOWERS UNDER CF.
WIND : NW 6 TO 7 AHEAD CF BACKING W 6 TO 7 LOCALLY 8 BEHIND CF. GUSTS.
SEA : ROUGH TO VERY ROUGH. SW THEN NW SWELL 3 TO 4 METERS.
VIS : POOR OR VERY POOR IN PRECIPITATION.