4 September 2025 - bulletin 579

Issued at 1010 GMT
Latest warnings for 11E, 12E and 21W
Disturbance update
EASTERN PACIFIC OCEAN
HURRICANE Kiko / 11E
Warning 17 from NHC at 0900 GMT
Position 13.9N 131.6W
Location 1520 miles ESE of Hilo, Hawaii
Movement 265° (W) at 7 knots
Maximum sustained winds 125 knots gusting to 150 knots
Winds of 34 knots or higher occur within 80 miles of the centre
Winds of 64 knots or higher occur within 25 miles of the centre
Threatened landmasses NONE
Minimum central pressure 944 mbar 
Next warning from NHC at 1500 GMT

HURRICANE Lorena / 12E
Warning 10 from NHC at 0900 GMT
Position 22.8N 112.4W
Location 105 miles WSW of Cabo San Lazaro, Mexico
Movement 320° (NW) at 7 knots
Maximum sustained winds 70 knots gusting to 85 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 Mexico
Minimum central pressure 986 mbar 
Next warning from NHC at 1200 GMT

Mexican warnings

NORTHWESTERN PACIFIC OCEAN

Tropical storm Peipah / 21W
Warning 04 from JTWC at 0900 GMT
Position 28.1N 131.1W
Location 376 miles S of Iwakuni, Japan
Movement 015° (NNE) at 15 knots
Maximum sustained winds 35 knots gusting to 45 knots
Winds of 34 knots or higher occur within 80 to 90 miles to the east of the centre
Threatened landmasses Japan
Minimum central pressure 996 mbar 
Maximum significant wave height 18 feet
Next warning from JTWC at 1500 GMT

TROPICAL DISTURBANCE UPDATE
NORTHERN ATLANTIC OCEAN
Update from NHC at 0600 GMT
System No Invest Assigned
Position 13N 33W
Likelihood of tropical cyclone formation within 48 hours is MEDIUM (40%)
Likelihood of tropical cyclone formation within 7 days is HIGH (80%)

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