15 April 2026 - bulletin 261

Issued at 1800 GMT
Latest warnings for 04W 

NORTHWESTERN PACIFIC OCEAN
TYPHOON Sinlaku / 04W
Warning 27 from JTWC at 1500 GMT
Position 16.2N 144.6E
Location 92 miles NW of Saipan
Movement 305° (NW) at 4 knots
Maximum sustained winds 110 knots gusting to 135 knots
Winds of 34 knots or higher occur within 220 to 250 miles of the centre
Winds of 64 knots or higher occur within 80 to 90 miles of the centre
Threatened landmasses Northern Marianas Islands
Maximum significant wave height 39 feet
Minimum central pressure 943 mbar 
Next warning from JTWC at 2100 GMT

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