18 August 2026 - bulletin 563

Issued at 1510 GMT
Latest warnings for 01C 
First warning for 17W
Disturbance update

CENTRAL PACIFIC OCEAN
HURRICANE Lala / 01C
Warning 25 from CPHC at 1500 GMT
Position 20.5N 167.2W
Location 580 miles SE of Lisianski Island
Movement 275° (W) at 8 knots
Maximum sustained winds 75 knots gusting to 90 knots
Winds of 34 knots or higher occur within 105 miles of the centre
Winds of 64 knots or higher occur within 15 miles of the centre
Threatened landmasses Papahanaumokuakea Marine National Monument
Minimum central pressure 981 mbar 
Next warning from CPHC at 1800 GMT

Regional warnings

NORTHWESTERN PACIFIC OCEAN
Tropical depression 17W
Warning 01 from JTWC at 1500 GMT
Position 7.9N 154.9E
Location 180 miles E of Chuuk
Movement 275° (W) at 9 knots
Maximum sustained winds 25 knots gusting to 35 knots
Threatened landmasses NONE
Minimum central pressure 1006 mbar 
Maximum significant wave height 12 feet
Next warning from CPHC at 1500 GMT

TROPICAL DISTURBANCE UPDATE
EASTERN PACIFIC OCEAN
Update from NHC at 1200 GMT
System No Invest Assigned
Position 12N 110W
Likelihood of tropical cyclone formation within 48 hours is NIL
Likelihood of tropical cyclone formation within 7 days is HIGH (80%)

System No Invest Assigned
Position 9N 130W
Likelihood of tropical cyclone formation within 48 hours is LOW (20%)
Likelihood of tropical cyclone formation within 7 days is MEDIUM (60%)

NORTHWESTERN PACIFIC OCEAN
Update from JTWC at 1500 GMT 
System 92W is now 17W


System 94W 
Position 19.9N 129.9E
Location 404 miles SSE of Kadena AB, Okinawa, Japan
Minimum central pressure 1004 mbar
Likelihood of tropical cyclone formation within 24 hours is LOW

System 95W 
Position 19.3N 116.1E
Location 207 miles SSE of Hong Kong
Minimum central pressure 1002 mbar
Likelihood of tropical cyclone formation within 24 hours is LOW

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