Hurricane Ana stayed on a slow course south of Hawaii on Sunday, well off shore but spinning off threats of heavy rains, strong winds and high surf to the Pacific archipelago, the National Weather Service said."Based on the latest forecast, there is little chance for hurricane conditions at this time," the weather service said in statement at about 8 a.m. Hawaii time.The center of Hurricane Ana was about 90 miles west-southwest of Lihue on the island of Kauai and is expected to get no closer, the weather service said.The weather service posted a flash flood watch for parts of Oahu and Kauai but canceled a similar watch for the big island of Hawaii."Hurricane Ana will continue to bring heavy rain and thunderstorms to the smaller islands today," the weather service said. High surf advisories were posted for some locations.No hurricane has made a direct hit on Hawaii since Iniki, a Category 4 storm that struck in September 1992, killing six people and causing damage estimated at $2.4 billion. Hurricanes range in severity from Category 1 to catastrophic Category 5.