13 April 2026 - bulletin 256

Issued at 2030 GMT
Latest warnings for 04W 

NORTHWESTERN PACIFIC OCEAN
SUPERTYPHOON Sinlaku / 04W
Warning 20 from JTWC at 2100 GMT
Position 13.7N 147.0E
Location 141 miles E of Guam
Movement 325° (NW) at 7 knots
Maximum sustained winds 145 knots gusting to 175 knots
Winds of 34 knots or higher occur within 190 to 230 miles of the centre
Winds of 64 knots or higher occur within 60 to 70 miles of the centre
Threatened landmasses Northern Marianas Islands
Maximum significant wave height 43 feet
Minimum central pressure 906 mbar 
Next warning from JTWC at 0300 GMT

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