Hurricane Henriette has formed in the Pacific far from land. Meanwhile, farther west, Gil has become a tropical storm.
Hurricane Henreitte's maximum sustained winds early Tuesday are near 75 mph (120 kph) with additional strengthening possible during the day.
The hurricane is centered about 1,630 miles east-southeast of the Hawaiian islands and is moving west-northwest near 10 mph.
Also in the Pacific, Tropical Storm Gil's maximum sustained winds are near 40 mph. The U.S. National Hurricane Center says gradual strengthening is forecast during the next two days. Gil is centered about 1,245 miles east-southeast of Honolulu and is moving west near 9 mph.