21 August 2026 - bulletin 574

Issued at 2100 GMT
Latest warnings for 01C, 02C, 17W and 18W
Disturbance update

CENTRAL PACIFIC OCEAN
HURRICANE Lala / 01C
Warning 38 from CPHC at 2100 GMT
Position 28.6N 170.4W
Location 280 miles NE of Lisianski Island
Movement 030° (NNE) at 12 knots
Maximum sustained winds 80 knots gusting to 100 knots
Winds of 34 knots or higher occur within 160 miles of the centre
Winds of 64 knots or higher occur within 45 miles of the centre
Threatened landmasses NONE
Minimum central pressure 974 mbar 
Next warning from CPHC at 0300 GMT

Regional warnings

Tropical storm Moke / 02C
Warning 06 from CPHC at 2100 GMT
Position 13.9N 147.2W
Location 660 miles SE of Hilo, Hawaii
Movement 300° (WNW) at 8 knots
Maximum sustained winds 40 knots gusting to 50 knots
Winds of 34 knots or higher occur within 70 miles of the centre
Threatened landmasses Hawaii
Minimum central pressure 1002 mbar 
Next warning from CPHC at 0300 GMT

Hawaiian warnings

NORTHWESTERN PACIFIC OCEAN
TYPHOON Saudel / 17W
Warning 14 from JTWC at 2100 GMT
Position 17.1N 147.3E
Location 143 miles NE of Saipan
Movement 325° (NW) at 13 knots
Maximum sustained winds 80 knots gusting to 100 knots
Winds of 34 knots or higher occur within 75 to 130 miles of the centre
Winds of 64 knots or higher occur within 0 to 30 miles to the east of the centre
Threatened landmasses Northern Marianas
Minimum central pressure 975 mbar 
Maximum significant wave height 30 feet
Next warning from JTWC at 0300 GMT

Regional warnings

Tropical storm 18W
Warning 05 from JTWC at 2100 GMT
Position 21.0N 108.8E
Location 162 miles E of Hanoi, Vietnam
Movement 360° (N) at 2 knots
Maximum sustained winds 35 knots gusting to 45 knots
Winds of 34 knots or higher occur within 40 miles to the north of the centre
Threatened landmasses Vietnam, China
Minimum central pressure 995 mbar 
Maximum significant wave height 12 feet
Next warning from JTWC at 0300 GMT

TROPICAL DISTURBANCE UPDATE
NORTHERN ATLANTIC OCEAN
Update from NHC at 0600 GMT
System No Invest Assigned
Position 30N 56W
Likelihood of tropical cyclone formation within 48 hours is LOW (10%)
Likelihood of tropical cyclone formation within 7 days is LOW (20%)

System No Invest Assigned
Position 26N 44W

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 0600 GMT
System No Invest Assigned
Position 9N 99W
Likelihood of tropical cyclone formation within 48 hours is LOW (20%)
Likelihood of tropical cyclone formation within 7 days is MEDIUM (60%)

System 91E
Position 8.4N 114.9W
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 (80%)

NORTHWESTERN PACIFIC OCEAN
Update from JTWC at 1200 GMT 

System 94W 
Position 26.1N 125.1E
Location 144 miles W of Kadena AB, Okinawa
Minimum central pressure 1001 mbar
Likelihood of tropical cyclone formation within 24 hours is LOW

System 96W
Position 38.7N 158.7E 
Location 809 miles E of Misawa, Japan
Minimum central pressure 1003 mbar
Likelihood of tropical cyclone formation within 24 hours is LOW

System 97W
Position 10.1N 138.1E 
Location 35 miles N of Yap
Minimum central pressure 1005 mbar
Likelihood of tropical cyclone formation within 24 hours is LOW