26 November 2025 - bulletin 817

Issued at 1430 GMT
Latest warnings for 04B and 33W 
Disturbance update

NORTHWESTERN PACIFIC OCEAN
Tropical storm Koto / 33W
Philippines name Verbena
Warning 08 from JTWC at 1500 GMT
Position 12.5N 115.5E
Location 468 miles ESE of Da Nang, Vietnam
Movement 300° (WNW) at 10 knots
Maximum sustained winds 60 knots gusting to 75 knots
Winds of 34 knots or higher occur within 60 to 180 miles of the centre
Threatened landmasses Philippines
Minimum central pressure 989 mbar 
Maximum significant wave height 26 feet
Next warning from JTWC at 2100 GMT

Philippines warnings

NORTHERN INDIAN OCEAN
Tropical cyclone Senyar / 04B
Warning 05 from JTWC at 1500 GMT
Position 3.7N 98.6E
Location 643 miles SW of Ho Chi Minh City, Vietnam
Movement 115° (ESE) at 4 knots
Maximum sustained winds 35 knots gusting to 45 knots
Winds of 34 knots or higher occur within 30 to 40 miles of the centre
Threatened landmasses Sumatra, Malaysia
Minimum central pressure 1003 mbar 
Maximum significant wave height N/A
Next warning from JTWC at 2100 GMT

TROPICAL DISTURBANCE UPDATE
NORTHERN INDIAN OCEAN

Update from JTWC at 0200 GMT
System 96B
Position 5.5N 82.9E
Location 200 miles ESE of Colombo, Sri Lanka
Minimum central pressure 1002 mbar
Likelihood of tropical cyclone formation within 24 hours is MEDIUM

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