SECURITE
GALE WARNING FOR METAREA VII AND METAREA VIII (S)
ISSUED BY METEO-FRANCE/TROPICAL CYCLONE CENTER/LA REUNION 21/10/2026
AT 0000 UTC.
WARNING NUMBER: 004/1 (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).
GALE WARNING
BEGINNING OF VALIDITY: WEDNESDAY 21/10/2026 AT 0000 UTC.
PHENOMENON: MODERATE TROPICAL STORM 1 (AGUEDA) 1000 HPA
POSITION: WITHIN 30 NM RADIUS OF POINT 5.0 S / 52.8 E
(FIVE DECIMAL ZERO DEGREES SOUTH AND
FIFTY TWO DECIMAL EIGHT DEGREES EAST) AT 0000 UTC
MOVEMENT: WEST-SOUTH-WEST 3 KT
THREAT AREAS:
SQUALLY WEATHER WITHIN A 50 NM RADIUS AROUND THE CENTER, EXTENDING UP
TO 150 NM IN THE NORTHWESTERN QUADRANT AND 250 NM IN THE SOUTHWESTERN
QUADRANT.
GALE FORCE WINDS 35/40 KT AND VERY ROUGH TO HIGH SEAS EXTENDING UP TO
30 NM IN THE NORTHERN SEMI-CIRCLE.
NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEAS WITHIN A 40
NM RADIUS FROM THE CENTRE, EXTENDING UP TO 50 NM IN THE SOUTH-EASTERN
QUADRANT AND UP TO 60 NM IN THE NORTHERN SEMI-CIRCLE.
STRONG GUSTS UNDER SQUALLS.
FORECAST POSITION AND INTENSITY:
12H, VALID 2026/10/21 AT 12 UTC:
5.7 S / 52.2 E, MAX WIND = 45 KT, MODERATE TROPICAL STORM
28 KT NE: 0 NM SE: 85 NM SW: 100 NM NW: 0 NM
34 KT NE: 0 NM SE: 70 NM SW: 40 NM NW: 0 NM
24H, VALID 2026/10/22 AT 00 UTC:
6.4 S / 51.6 E, MAX WIND = 50 KT, SEVERE TROPICAL STORM
28 KT NE: 0 NM SE: 90 NM SW: 100 NM NW: 0 NM
34 KT NE: 0 NM SE: 70 NM SW: 40 NM NW: 0 NM
48 KT NE: 0 NM SE: 30 NM SW: 20 NM NW: 0 NM
OTHER INFORMATION:
NIL=
1:31:08:11:00
SECURITE
SHIPPING BULLETIN FOR MET AREA VIII(S) MAURITIUS METEOROLOGICAL
SERVICES ISSUED ON WEDNESDAY 21 OCTOBER 2026 AT 0100 UTC.
PART 1: TTT WARNING OF GALE FORCE WINDS
AT 0000 UTC, MODERATE TROPICAL STORM 1 AGUEDA 1000 HPA
WITHIN 30 NM RADIUS OF POINT 5.0 S / 52.8 E
(FIVE DECIMAL ZERO DEGREES SOUTH AND FIFTY TWO DECIMAL EIGHT
DEGREES EAST)
MOVEMENT: WEST-SOUTH-WEST 3 KT
SQUALLY WEATHER WITHIN A 50 NM RADIUS AROUND THE CENTER, EXTENDING UP
TO 150 NM IN THE NORTHWESTERN QUADRANT AND 250 NM IN THE SOUTHWESTERN
QUADRANT.
GALE FORCE WINDS 35/40 KT AND VERY ROUGH TO HIGH SEAS EXTENDING UP TO
30 NM IN THE NORTHERN SEMI-CIRCLE.
NEAR GALE FORCE WINDS 30 KT AND ROUGH TO VERY ROUGH SEAS WITHIN A 40
NM RADIUS FROM THE CENTRE, EXTENDING UP TO 50 NM IN THE SOUTH-EASTERN
QUADRANT AND UP TO 60 NM IN THE NORTHERN SEMI-CIRCLE.
STRONG GUSTS UNDER SQUALLS.
PART 2: GENERAL SYNOPSIS OBSERVED ON WEDNESDAY 21 OCTOBER 2026 AT
0000 UTC.
EQUATORIAL TROUGH AXIS CENTRED ALONG 05S FROM 45E TO 80E.
MTS AGUEDA 1000 HPA NEAR 5.0S 52.8E. MOVEMENT WEST SOUTH WEST 03KT
WAVE NEAR 02S 69E.
HIGH 1027 HPA NEAR 34S 80E.
PART 3: AREA FORECAST FOR NEXT 24 HOURS VALID TILL THURSDAY 22
OCTOBER 2026 AT 0000 UTC.
8/1: NORTH EASTERLY TO NORTHERLY 10-20 IN SOUTH WEST. EASTERLY TO
NORTH EASTERLY 15 IN NORTH EAST. EASTERLY 10-15 ELSEWHERE. SEA ROUGH
IN EAST, MODERATE ELSEWHERE. VISIBILITY MODERATE IN SHOWERS.
8/2: SOUTHERLY 05-10 IN SOUTH EAST. SOUTH EASTERLY 10-15 IN NORTH
EAST. SOUTH EASTERLY TO EASTERLY 10-15 ELSEWHERE. SEA VERY ROUGH IN
SOUTH EAST, ROUGH ELSEWHERE. VISIBILITY MODERATE IN SHOWERS.
8/3: MAINLY EASTERLY 15-20. SEA MODERATE IN SOUTH WEST, ROUGH
ELSEWHERE. VISIBILITY MODERATE IN SHOWERS MAINLY IN EXTREME WEST.
8/4: SOUTH EASTERLY TO EASTERLY 15-20. SEA ROUGH. VISIBILITY MODERATE
TO POOR IN ISOLATED THUNDERY SHOWERS IN NORTH EAST.
8/5: CLOCKWISE NORTH WESTERLY TO EASTERLY 10-15 IN EXTREME WEST.
SOUTH EASTERLY 15-20 IN REMAINING SOUTH. CLOCKWISE SOUTH EASTERLY TO
SOUTH WESTERLY 05-10 ELSEWHERE. SEA ROUGH IN SOUTH WEST, IN EXTREME
SOUTH EAST AND IN THUNDERSTORMS, MODERATE ELSEWHERE. VISIBILITY POOR
IN THUNDERY SHOWERS IN WEST.
8/6: SOUTH EASTERLY TO EASTERLY 10-15. SEA MODERATE BECOMING ROUGH IN
THUNDERSTORMS. VISIBILITY POOR IN THUNDERY SHOWERS IN NORTH AND SOUTH
WEST.
SOUTH EAST 8/7: SAME AS TTT WARNING OF PART 1.
REMAINING 8/7: SOUTH WESTERLY TO NORTH WESTERLY 10-20 IN REMAINING
NORTH EAST. SOUTH EASTERLY TO SOUTHERLY 10-15 ELSEWHERE. SEA MODERATE
IN WEST, ROUGH ELSEWHERE. VISIBILITY POOR IN THUNDERY SHOWERS IN
SOUTH EAST.
PART 4: OUTLOOK FOR FURTHER 24 HOURS.
MTS AGUEDA IS EXPECTED TO TRACK WEST-SOUTHWESTWARDS WHILE MAINTAINING
ITS INTENSITY.
END=