26 August 2026 - bulletin 587

Issued at 1015 GMT
Latest warnings for 01C, 09E and 17W 
First warning for 20W 
Disturbance update

EASTERN PACIFIC OCEAN
Tropical storm Iselle / 09E
Warning 12 from NHC at 0900 GMT
Position 21.8N 123.5W
Location 870 miles W of the southern tip of Baja California
Movement 295° (WNW) at 8 knots
Maximum sustained winds 45 knots gusting to 55 knots
Winds of 34 knots or higher occur within 230 miles of the centre
Minimum central pressure 996 mbar
Threatened landmasses NONE
Next warning from  NHC at 1500 GMT

Mexican warnings

CENTRAL PACIFIC OCEAN
Tropical storm Lala / 01C
Warning 56 from CPHC at 0900 GMT
Position 35.4N 177.7W
Location 485 miles N of Kure Atoll
Movement 310° (NW) at 4 knots
Maximum sustained winds 40 knots gusting to 50 knots
Winds of 34 knots or higher occur within 115 miles of the centre
Threatened landmasses NONE
Minimum central pressure 997 mbar 
Next warning from CPHC at 1500 GMT

NORTHWESTERN PACIFIC OCEAN
TYPHOON Saudel / 17W
Warning 32 from JTWC at 0900 GMT
Position 28.3N 126.5E
Location 128 miles NNW of Kadena AB, Okinawa
Movement 305° (NW) at 9 knots
Maximum sustained winds 85 knots gusting to 105 knots
Winds of 34 knots or higher occur within 105 to 180 miles of the centre
Winds of 64 knots or higher occur within 30 to 50 miles of the centre
Threatened landmasses Ryuku Islands, China
Minimum central pressure 960 mbar 
Maximum significant wave height 40 feet
Next warning from JTWC at 1500 GMT

Tropical depression 20W
Warning 01 from JTWC at 0900 GMT
Position 17.2N 161.3E
Location 327 miles WSW of Wake Island
Movement 335° (NNW) at 4 knots
Maximum sustained winds 25 knots gusting to 35 knots
Threatened landmasses NONE
Minimum central pressure 1006 mbar 
Maximum significant wave height 10 feet
Next warning from JTWC at 1500 GMT

TROPICAL DISTURBANCE UPDATE
NORTHERN ATLANTIC OCEAN
Update from NHC at 0600 GMT
System 95L is no longer suspect for tropical cyclone formation

System 96L
Position 13.5N 26.9W
Minimum central pressure 1008 mbar
Likelihood of tropical cyclone formation within 48 hours is HIGH (70%)
Likelihood of tropical cyclone formation within 7 days is HIGH (70%)

EASTERN PACIFIC OCEAN
Update from NHC at 0600 GMT
System No Invest Assigned
Position 12N 110W
Likelihood of tropical cyclone formation within 48 hours is NIL
Likelihood of tropical cyclone formation within 7 days is MEDIUM (50%)

System 93E
Position 9.0N 106.6W
Minimum central pressure 1007 mbar
Likelihood of tropical cyclone formation within 48 hours is HIGH (90%)
Likelihood of tropical cyclone formation within 7 days is HIGH (90%)

System No Invest Assigned
Position 9N 135W
Likelihood of tropical cyclone formation within 48 hours is MEDIUM (40%)
Likelihood of tropical cyclone formation within 7 days is HIGH (70%)

CENTRAL PACIFIC OCEAN

Update from CPHC at 0600 GMT
System No Invest Assigned 
Position 12N 165W
Likelihood of tropical cyclone formation within 48 hours is NIL
Likelihood of tropical cyclone formation within 7 days is LOW (20%)

NORTHWESTERN PACIFIC OCEAN
Update from JTWC at 0900 GMT
System 99W is now 20W