28 March 2025 - bulletin 204

Issued at 1120 GMT
Latest warning for 27S
First warning for 28S
Disturbance update
SOUTHERN INDIAN OCEAN
Tropical cyclone Courtney / 27S
Warning 12 from JTWC at 0900 GMT
Position 16.8S 95.5E
Location 288 miles SSW of the Cocos Islands
Movement 265° (W) at 16 knots
Maximum sustained winds 80 knots gusting to 100 knots
Winds of 34 knots or higher occur within 60 to 95 miles of the centre
Winds of 64 knots or higher occur within 25 to 35 miles of the centre
Threatened landmasses NONE
Maximum significant wave height 35 feet
Minimum central pressure 972 mbar
Next warning from JTWC at 2100 GMT

Tropical cyclone Dianne / 28S
Warning 02 from JTWC at 0900 GMT
Position 14.8S 123.7E
Location 205 miles NNE of Broome, Australia
Movement 160° (SSE) at 5 knots
Maximum sustained winds 40 knots gusting to 50 knots
Winds of 34 knots or higher occur within 60 to 80 miles of the centre
Threatened landmasses Western Australia
Maximum significant wave height 16 feet
Minimum central pressure 991 mbar
Next warning from JTWC at 1500 GMT

Australian warnings

TROPICAL DISTURBANCE UPDATE
SOUTHERN INDIAN OCEAN
Update from JTWC at 0300 GMT
System 93S is now 28S

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