6 September 2025 - bulletin 586

Issued at 1500 GMT
Latest warning for 11E 
First warning for 22W
Disturbance update
CENTRAL PACIFIC OCEAN
HURRICANE Kiko / 11E
Warning 26 from CPHC at 1500 GMT
Position 15.5N 140.5W
Location 1005 miles ESE of Hilo, Hawaii
Movement 290° (WNW) at 10 knots
Maximum sustained winds 115 knots gusting to 140 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 Hawaii
Minimum central pressure 948 mbar 
Next warning from CPHC at 2100 GMT

Hawaiian warnings

NORTHWESTERN PACIFIC OCEAN
Tropical storm Tapah / 22W
Warning 02 from JTWC at 1500 GMT
Position 18.4N 115.5E 
Location 245 miles SSE of Hong Kong
Movement 290° (WNW) at 9 knots
Maximum sustained winds 35 knots gusting to 45 knots
Winds of 34 knots or higher occur within 0 to 125 miles of the centre
Threatened landmasses China
Minimum central pressure 999 mbar 
Maximum significant wave height 15 feet
Next warning from JTWC at 2100 GMT

Hong Kong warnings

TROPICAL DISTURBANCE UPDATE
NORTHERN ATLANTIC OCEAN
Update from NHC at 1200 GMT
System 91L
Position 11.8N 39.3W
Minimum central pressure 1011 mbar 
Likelihood of tropical cyclone formation within 48 hours is LOW (20%)
Likelihood of tropical cyclone formation within 7 days is LOW (20%)

EASTERN PACIFIC OCEAN

Update from NHC at 1200 GMT
System No Invest Assigned 
Position 15N 108W 
Likelihood of tropical cyclone formation within 48 hours is NIL
Likelihood of tropical cyclone formation within 7 days is LOW (20%)

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