4 July 2026 - bulletin 428

Issued at 2020 GMT
Latest warnings for 09W 
Final warning for 10W

NORTHWESTERN PACIFIC OCEAN
SUPERTYPHOON Bavi / 09W 
Warning 16 from JTWC at 2100 GMT
Position 12.7N 149.6E
Location 295 miles E of Andersen AFB, Guam
Movement 280° (W) at 6 knots
Maximum sustained winds 135 knots gusting to 165 knots
Winds of 34 knots or higher occur within 145 to 160 miles of the centre
Winds of 64 knots or higher occur within 35 to 40 miles of the centre
Threatened landmasses Northern Marianas Islands 
Maximum significant wave height 45 feet
Minimum central pressure 923 mbar 
Next warning from JTWC at 0300 GMT

Regional warnings

Tropical storm Maysak / 10W 
Warning 13 from JTWC at 2100 GMT
Position 21.6N 107.9E
Location 117 miles ENE of Hanoi, Vietnam
Movement 015° (NNE) at 3 knots
Maximum sustained winds 50 knots gusting to 65 knots
Winds of 34 knots or higher occur within 30 to 180 miles of the centre
Threatened landmasses Vietnam, China
Minimum central pressure 988 mbar 
FINAL WARNING

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