Guillermo Weakens from Hurricane to Tropical Storm25.1N 150.4W
As of 5 p.m. HST August 17 (0300 UTC August 18), the center of Tropical Storm Guillermo (10E) was estimated to be located about 525 mi (845 km) east-northeast of Hilo, Hawaii and about 660 mi (1060 km) east-northeast of Honolulu, Hawaii.
Tropical Storm Guillermo has maximum sustained winds of 40 kt (45 mph, 75 km/h), with higher gusts. The system has a minimum central pressure of 1004 mbar (29.65 inches), and is moving west-northwest at 17 kt (20 mph, 31 km/h). Tropical storm force winds extend outward up to 70 miles (115 km) from the center of Guillermo.