28 July 2025 - bulletin 466

Issued at 1500 GMT
Latest warnings for 01C, 11W and 12W
First warning for 02C
Disturbance update

NORTHWESTERN PACIFIC OCEAN
Tropical depression Co-may / 11W
Warning 23 from JTWC at 1500 GMT
Position 27.2N 127.4E
Location 47 miles NNW of Kadena AB, Okinawa
Movement 305° (NW) at 10 knots
Maximum sustained winds 30 knots gusting to 40 knots
Threatened landmasses Ryuku Islands, China
Maximum significant wave height 15 feet
Minimum central pressure 992 mbar
Next warning from JTWC at 2100 GMT

Tropical storm Krosa / 12W
Warning 20 from JTWC at 1500 GMT
Position 27.5N 143.7E
Location 511 miles SSE of Yokosuka, Japan
Movement 320° (NW) at 11 knots
Maximum sustained winds 60 knots gusting to 75 knots
Winds of 34 knots or higher occur within 85 to 230 miles of the centre
Threatened landmasses NONE
Maximum significant wave height 24 feet
Minimum central pressure 970 mbar
Next warning from JTWC at 2100 GMT

CENTRAL PACIFIC OCEAN
HURRICANE Iona / 01C
Warning 06 from CPHC at 1500 GMT
Position 10.7N 150.1W
Location 895 miles SE of Honolulu, Hawaii
Movement 270° (W) at 10 knots
Maximum sustained winds 65 knots gusting to 80 knots
Winds of 34 knots or higher occur within 70 miles of the centre
Winds of 64 knots or higher occur within 15 miles of the centre
Threatened landmasses NONE
Minimum central pressure 994 mbar
Next warning from CPHC at 2100 GMT

Tropical depression 02C
Warning 01 from CPHC at 1500 GMT
Position 12.0N 143.6W
Location 1140 miles SE of Honolulu, Hawaii
Movement 270° (W) at 10 knots
Maximum sustained winds 30 knots gusting to 40 knots
Threatened landmasses NONE
Minimum central pressure 1008 mbar
Next warning from CPHC at 2100 GMT

TROPICAL DISTURBANCE UPDATE 
EASTERN PACIFIC OCEAN
Update from NHC at 1200 GMT
System 98E
Position 10.2N 131.8W 
Minimum central pressure 1009 mbar
Likelihood of tropical cyclone formation within 48 hours is MEDIUM (60%)
Likelihood of tropical cyclone formation within 7 days is HIGH (90%)

System No Invest Assigned 
Position 10N 97W 
Likelihood of tropical cyclone formation within 48 hours is LOW (20%)
Likelihood of tropical cyclone formation within 7 days is HIGH (70%)

CENTRAL PACIFIC OCEAN
Update from CPHC at 1500 GMT
System 91C is now 02C

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