8 September 2025 - bulletin 591

Issued at 1030 GMT
Latest warning for 11E 
Final warning for 22W
Disturbance update

CENTRAL PACIFIC OCEAN
HURRICANE Kiko / 11E
Warning 33 from CPHC at 0900 GMT
Position 19.6N 147.6W
Location 490 miles E of Hilo, Hawaii
Movement 305° (NW) at 12 knots
Maximum sustained winds 85 knots gusting to 105 knots
Winds of 34 knots or higher occur within 115 miles of the centre
Winds of 64 knots or higher occur within 45 miles of the centre
Threatened landmasses Hawaii
Minimum central pressure 982 mbar 
Next warning from CPHC at 1500 GMT

Hawaiian warnings

NORTHWESTERN PACIFIC OCEAN
TYPHOON Tapah / 22W
Warning 09 from JTWC at 0900 GMT
Position 21.8N 112.6E 
Location 94 miles WSW of Hong Kong
Movement 330° (NNW) at 11 knots
Maximum sustained winds 65 knots gusting to 80 knots
Winds of 34 knots or higher occur within 55 to 105 miles of the centre
Winds of 64 knots or higher occur within 30 to 35 miles of the centre
Threatened landmasses China
Minimum central pressure 984 mbar 
Maximum significant wave height 29 feet
FINAL WARNING

Hong Kong warnings

TROPICAL DISTURBANCE UPDATE
SOUTHERN INDIAN OCEAN
Update from JTWC at 2000 GMT yesterday
System 92S 
Position 7.0S 78.1E 
Location 254 miles E of Diego Garcia 
Likelihood of tropical cyclone formation within 24 hours is LOW 

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