SECURITE
NEAR GALE WARNING FOR METAREA VII AND METAREA VIII (S)
ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTER/LA REUNION 20/10/2026
AT 0600 UTC.
WARNING NUMBER: 001/1 (SOUTH-WEST INDIAN OCEAN)
10 MINUTES AVERAGE WIND SPEED IN KNOTS (KT)
(WIND GUSTS AT SEA MAY BE ABOUT 40% STRONGER THAN THE AVERAGED WIND)
MINIMUM SEA LEVEL PRESSURE IN HECTOPASCAL (HPA)
(INDICATIVE FIGURE).
NEAR GALE WARNING
BEGINNING OF VALIDITY: TUESDAY 20/10/2026 AT 0600 UTC.
PHENOMENON: TROPICAL DEPRESSION 1 1003 HPA
POSITION: WITHIN 40 NM RADIUS OF POINT 4.9 S / 53.9 E
(FOUR DECIMAL NINE DEGREES SOUTH AND
FIFTY THREE DECIMAL NINE DEGREES EAST) AT 0600 UTC
MOVEMENT: WEST-SOUTH-WEST 5 KT
THREAT AREAS:
SQUALLY WEATHER WITHIN A 90 NM RADIUS AROUND THE CENTER, EXTENDING UP
TO 160 NM IN THE WESTERN SEMI-CIRCLE.
WINDS RADII NIL
STRONG GUSTS UNDER SQUALLS.
FORECAST POSITION AND INTENSITY:
12H, VALID 2026/10/20 AT 18 UTC:
5.3 S / 52.5 E, MAX WIND = 35 KT, MODERATE TROPICAL STORM
34 KT NE: 45 NM SE: 45 NM SW: 45 NM NW: 45 NM
24H, VALID 2026/10/21 AT 06 UTC:
5.7 S / 52.0 E, MAX WIND = 40 KT, MODERATE TROPICAL STORM
34 KT NE: 35 NM SE: 40 NM SW: 40 NM NW: 30 NM
OTHER INFORMATION:
NIL=
WEATHER BULLETIN FOR THE HIGH SEAS FOR METAREA VII.
ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE
20th OF OCTOBER 2026 AT 08:30 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:
=======
FORECAST VALID FROM 201000 TO 211000 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: W to NW 35 to 40 in the south-east until mid-period.
2.CAPE EAST: W to NW 35 in the south-west and west towards mid-period.
3.MARION FORTIES EAST: E to SE 35 in the north-eastern parts until mid-
period.
SYNOPTIC CHART 06:00Z
=====================
High 1026 hPa 29s67e High 1022 hPa 25s0w.
Low 1000 hPa 39s44e Low 1000 hPa 39s27w.
1. Cold Front: 28s36e 34s41e 37s43e into 39s44e.
2. Cold Front: 21s30w 28s22w 35s20w into 39s27w.
AREA FORECAST:
==============
ASCENSION (06S/15S, 00E/20W):
WIND : E to SE 10 to 20.
VIS : Good.
ANGOLA (06S/15S, 00E/00N):
WIND : S to SE 10 to 20 but variable 05 to 10 in the east.
VIS : Good.
ST HELENA (15S/30S, 00E/20W):
WIND : NW to W 10 to 20 in the south-west, otherwise E to SE 10 to
20, but anticyclonic 05 to 15 in the central and east.
VIS : Good but moderate in showers and thundershowers in the south-
west.
TRADES (15S/30S, 00E/WEST COAST):
WIND : S to SE 15 to 25, but anticyclonic 05 to 15 in the south.
VIS : Good.
SEA STATE: 3.0 to 3.5m in the east until mid-period, with S to SW swell.
TRISTAN (30S/40S, 00E/20W):
WIND : W to NW 15 to 25 but variable 05 to 15 in central east and
south-east.
VIS : Good, but moderate to poor in showers and thundershowers in
the western parts, spreading to the south and east from the
second half of the period.
SEA STATE: 3.0 to 3.5m in the east and south-east until mid-period, with
W to SW swell.
CAPE WEST (30S/40S, 00E/20E):
WIND : Anticyclonic 05 to 10 in the north-east otherwise W to NW 15
to 25, reaching 30 to 40 in the south-east until mid-period,
but W to SW 10 to 20 in the south-west, spreading to the south
by mid-period.
VIS : Good, but moderate in showers and thundershowers in the
central and east, but in the west towards the end of the
period.
SEA STATE: 3.0 to 4.0m except in the northern parts, reaching 4.5 to 5.5
in the south-eastern parts but in the central parts until mid-
period, with W to SW swell.
CAPE EAST (32.5S/40S, 20E/50E):
WIND : Cyclonic 15 to 25 in the eastern parts, otherwise W to NW 15
to 25 reaching 30 to 35 in the south-west and west towards
mid-period.
VIS : Moderate to poor in showers and thundershowers in the central
and western parts but in the south-east at first.
SEA STATE: 3.0 to 4.0m, reaching 5.0 to 6.0m in the western parts towards
mid-period, with W to SW swell.
DURBAN EAST (32.5S/25S, EAST COAST/55E):
WIND : S to SW 15 to 25 in the west, but N to NE 15 to 25 in the
north-east and south-west, otherwise W to NW 15 to 25.
VIS : Good but moderate in showers and thundershowers in places in
the central and eastern parts.
SEA STATE: 3.0 to 4.0m in the western parts, with W to SW swell.
MOZAMBIQUE CHANNEL:
WIND : N to NE 10 to 20 but S to SE 10 to 20 in the south-west until
mid-period.
VIS : Good.
MADAGASCAR EAST (10S/25S, EAST COAST/55E):
WIND : SE to E 10 to 20 in the north but NE 10 to 20 in the south-
west.
VIS : Good, moderate showers and rain in the north.
MARION FORTIES EAST (40S/50S, 35E/50E):
WIND : E to SE 20 to 30 in the northern parts reaching 35 in
the north-eastern parts until mid-period, otherwise NW to W 15
to 25, reaching 30 in the south-west and west, drifting to the
north-west and south-east by mid-period.
VIS : Good, but moderate to poor in rain and showers in the south-
west, west and south but in north-east at first.
SEA STATE: 3.0 to 4.0m, with E to SE swell in the north-eastern parts but
W to SW swell in the south-west.
AREA 2:
======
MARINE METEOROLOGICAL BULLETIN FROM METEO-FRANCE/LA REUNION ON AREA ACK (AMSTERDAM-CROZET-KERGUELEN)
26/10/20 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 KER AND CRO.
PART 2: GENERAL SYNOPSIS, 26/10/20 AT 0000UTC
- DEEPENING LOW 999 NEAR 39S/40E WITH ASSOCIATED COLD FRONT AXIS 26S/33E, 31S/38E, 39S/41E AND WARM FRONT AXIS 39S/41E, 39S/47E, 38S/62E. ALL MOVING RATHER RAPIDLY SOUTH-EASTWARD.- BUILDING HIGH
1026 NEAR 30S/63E, STEADILY MOVING EASTWARD.
PART 3: FORECAST FOR 24 HOURS FROM 26/10/20 AT 0600UTC TO 26/10/21 AT 0600UTC
WAM (30S/40S, 50E/65E)
FRONTAL RAIN, SHOWERS AND SQUALLS OVER SOUTHERN WITH WF THEN OVER SOUTH-WESTERN WITH CF.
WIND : NE 5/6 OVER FAR SOUTH-EASTERN AT FIRST AHEAD OF WF. NW BEHIND,
3/4 OVER NORTH-EASTERN BUT 5/6 ELSEWHERE 5/6 AT TIMES 7. GUSTS.
BACKING WESTERLY 5/6 WITH GUSTS OVER SOUTH-WESTERN AT END BEHIND
CF.
SEA : MODERATE TO ROUGH. SW SWELL 3 TO 4M OVER EASTERN, ABATING.
VIS : POOR OR VERY POOR IN PRECIPITATION.
AMS (30S/40S, 65E/80E)
FRONTAL RAIN AND SHOWERS SOON OVER SOUTH-WESTERN. FEW SHOWERS
ELSEWHERE.
WIND : ANTICLOCKWISE 3/4, BUT SW DECREASING 5/6 WITH GUSTS OVER FAR
SOUTH-EASTERN. INCREASING SOON N 4/5 OVER SOUTH-WESTERN THEN NW
5/6 ELSEWHERE.
SEA : ROUGH TO VERY ROUGH FROM WEST TO EAST, BUT HIGH TIL THE EVENING
OVER FAR SOUTH-EASTERN, AND BECOMING MODERATE LATER OVER FAR
NORTH-WESTERN. SW SWELL 3 TO 5M FROM WEST TO EAST AND ABATING,
LOCALLY 6M OVER FAR SOUTH-EASTERN TIL THE EVENING.
VIS : POOR IN PRECIPITATION.
CRO (40S/50S, 50E/65E)
FRONTAL RAIN, SHOWERS AND SQUALLS OVER NORTHERN.
WIND : INCREASING CLOCKWISE 6/7 OVER NORTHERN AT TIMES 8 WITH GUSTS,
DECREASING VARIABLE 3/4 ELSEWHERE. BECOMING NORTH-EASTERLY 4/5
LATER OVER FAR SOUTHERN.
SEA : ROUGH TO VERY ROUGH, BECOMING MODERATE SOON OVER SOUTH-WESTERN.
SW SWELL 3 TO 5M OVER EASTERN ABATING.
VIS : POOR OR VERY POOR IN PRECIPITATION.
KER (40S/50S, 65E/80E)
SHOWERS, THEN FRONTAL RAIN, SHOWERS AND SQUALLS SOON OVER
NORTH-WESTERN.
WIND : SW 7/8 OVER SOUTH-WESTERN DECREASING GRADUALLY 5/6. GUSTS.
DECREASING GRADUALLY VARIABLE 3/4 FROM NORTH-WESTERN BEFORE TO
INCREASE LATER CLOCKWISE 6/7 AT TIMES 8 WITH GUSTS.
SEA : VERY ROUGH TO HIGH FROM WEST TO EAST, BECOMING GRADUALLY ROUGH
TO VERY ROUGH. SW SWELL 4 TO 5M ABATING FROM WEST LATER.
VIS : POOR OR VERY POOR IN PRECIPITATION.