12 August 2026 - bulletin 545

Issued at 1600 GMT
First warnings for 01C, 03L and 16W
Disturbance update

NORTHWESTERN PACIFIC OCEAN
Tropical depression Peilou / 13W
Warning 23 from JTWC at 1500 GMT
Position 30.3N 163.5E
Location 625 miles NE of Minami Tori Shima
Movement 075° (ENE) at 7 knots
Maximum sustained winds 30 knots gusting to 40 knots
Threatened landmasses NONE
Minimum central pressure 995 mbar 
Maximum significant wave height 14 feet
Next warning from JTWC at 2100 GMT

Tropical depression Nangka / 16W
Warning 01 from JTWC at 1500 GMT
Position 23.0N 144.8E
Location 220 miles ESE of Iwo To
Movement 050° (NE) at 18 knots
Maximum sustained winds 30 knots gusting to 40 knots
Threatened landmasses NONE
Minimum central pressure 998 mbar 
Maximum significant wave height 12 feet
Next warning from JTWC at 2100 GMT

NORTHERN ATLANTIC OCEAN
Tropical storm Cristobal / 03L
Warning 01 from NHC at 1500 GMT
Position 36.7N 43.0W
Location 880 miles W of the Azores
Movement 050° (NE) at 18 knots
Maximum sustained winds 40 knots gusting to 50 knots
Winds of 34 knots or higher occur within 90 miles of the centre
Threatened landmasses NONE
Minimum central pressure 1008 mbar 
Next warning from NHC at 2100 GMT

CENTRAL PACIFIC OCEAN
Potential tropical cyclone 01C
Warning 01 from CPHC at 1500 GMT
Position 15.0N 141.8W
Location 935 miles ESE of Hilo, Hawaii
Movement 270° (W) at 9 knots
Maximum sustained winds 30 knots gusting to 40 knots
Threatened landmasses Hawaii
Minimum central pressure 1003 mbar 
Next warning from CPHC at 2100 GMT
Formation chance through 48 hours / 7 days is HIGH (90%)

Hawaiian warnings

TROPICAL DISTURBANCE UPDATE

NORTH
WESTERN PACIFIC OCEAN
Update from JTWC
 at 1500 GMT
System 91
is now 16W

NORTHERN ATLANTIC OCEAN
Update from NHC at 1500 GMT 
System 92L
Position 10.3N 38.0W
Minimum central pressure 1011 mbar
Likelihood of tropical cyclone formation within 48 hours is HIGH (80%)
Likelihood of tropical cyclone formation within 7 days is HIGH (80%)

System 93L is now 03L

System No Invest Assigned
Position 10N 21W 
Likelihood of tropical cyclone formation within 48 hours is LOW (20%)
Likelihood of tropical cyclone formation within 7 days is LOW (30%)

EASTERN PACIFIC OCEAN
Update from NHC at 0600 GMT
System 99E
Position 17.1N 130.1W
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%)

CENTRAL PACIFIC OCEAN
Update from CPHC at 1500 GMT
System 93C is now 01C

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