12 April 2026 - bulletin 251

Issued at 0910 GMT
Latest warnings for 04W 
Disturbance update

NORTHWESTERN PACIFIC OCEAN
SUPERTYPHOON Sinlaku / 04W
Warning 14 from JTWC at 0900 GMT
Position 10.3N 150.6E
Location 398 miles ESE of Guam
Movement 310° (NW) at 8 knots
Maximum sustained winds 130 knots gusting to 160 knots
Winds of 34 knots or higher occur within 180 to 215 miles of the centre
Winds of 64 knots or higher occur within 30 to 50 miles of the centre
Threatened landmasses Micronesia, Northern Marianas Islands
Maximum significant wave height 36 feet
Minimum central pressure 921 mbar 
Next warning from JTWC at 1500 GMT

Micronesia warnings

TROPICAL DISTURBANCE UPDATE
SOUTHERN PACIFIC OCEAN
Update from JTWC at 0600 GMT 
System 31P 
Position 37.2S 176.5E 
Location 86 miles SE of Auckland, New Zealand
Minimum central pressure 993 mbar 
Likelihood of tropical cyclone formation within 24 hours is LOW 

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