28 November 2025 - bulletin 823

Issued at 1715 GMT
Latest warnings for 05B and 33W 
Disturbance update

NORTHWESTERN PACIFIC OCEAN
Tropical storm Koto / 33W
Warning 16 from JTWC at 1500 GMT
Position 12.7N 112.4E
Location 310 miles SE of Da Nang, Vietnam
Movement 305° (NW) at 4 knots
Maximum sustained winds 50 knots gusting to 65 knots
Winds of 34 knots or higher occur within 50 to 125 miles of the centre
Threatened landmasses Vietnam
Minimum central pressure 993 mbar 
Maximum significant wave height 22 feet
Next warning from JTWC at 2100 GMT

NORTHERN INDIAN OCEAN
Tropical cyclone Ditwah / 05B
Warning 07 from JTWC at 1500 GMT
Position 8.6N 80.9E
Location 945 miles SSW of Kolkata, India
Movement 340° (NNW) at 3 knots
Maximum sustained winds 35 knots gusting to 45 knots
Winds of 34 knots or higher occur within 85 to 95 miles of the centre
Threatened landmasses Sri Lanka, India
Minimum central pressure 1004 mbar 
Maximum significant wave height 16 feet
Next warning from JTWC at 2100 GMT

TROPICAL DISTURBANCE UPDATE
NORTHWESTERN PACIFIC OCEAN
Update from JTWC at 1200 GMT 
System 04B
Position 3.8N 103.5E 
Location 155 miles N of Singapore 
Minimum central pressure 1005 mbar
Likelihood of tropical cyclone formation within 24 hours is MEDIUM 

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