4 January 2026 - bulletin 12

Issued at 1615 GMT
Final warning for 09S

SOUTHERN INDIAN OCEAN
Tropical cyclone Grant / 09S 
Warning 37 from JTWC at 1500 GMT
Position 16.1S 59.7E
Location 276 miles NNE of Port Louis, Mauritius
Movement 245° (WSW) at 18 knots
Maximum sustained winds 30 knots gusting to 40 knots
Threatened landmasses NONE
Minimum central pressure 1006 mbar
Maximum significant wave height 12 feet
FINAL WARNING

TROPICAL DISTURBANCE UPDATE
SOUTHERN INDIAN OCEAN
Update from JTWC at 1800 GMT 
System 91S 
Position 8.1S 91.6E 
Location 395 miles NW of the Cocos Islands 
Likelihood of tropical cyclone formation within 24 hours is now HIGH

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