14 April 2026 - bulletin 257

Issued at 1000 GMT
Latest warnings for 04W 

NORTHWESTERN PACIFIC OCEAN
SUPERTYPHOON Sinlaku / 04W
Warning 22 from JTWC at 0900 GMT
Position 14.6N 146.0E
Location 38 miles SSE of Saipan
Movement 300° (WNW) at 6 knots
Maximum sustained winds 130 knots gusting to 160 knots
Winds of 34 knots or higher occur within 200 to 230 miles of the centre
Winds of 64 knots or higher occur within 40 to 65 miles of the centre
Threatened landmasses Northern Marianas Islands
Maximum significant wave height 48 feet
Minimum central pressure 925 mbar 
Next warning from JTWC at 1500 GMT

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