A weakening mid and upper-level disturbance is slowly moving eastward, with drier conditions and clearer skies spreading from Kauai and Oahu to Maui County. The disturbance will still remain close enough to the Big Island to trigger a chance of heavy rain and thunderstorms Wednesday and wet weather through Friday, while the rest of the island chain remains much drier with light trade winds.
A flash flood watch will remain posted for the Big Island until 6 a.m. Wednesday, along with a winter storm warning and a wind advisory for the summit areas of Mauna Kea and Mauna Loa.
A high surf advisory is posted for east-facing shores of Kauai, Oahu, Molokai, Maui and the Big Island for a short period swell generated by a sgtrong high pressure area some 1,500 miles north-northeast of the state. This swell will likely peak Twednesday or erly Thursday. Surf for north and west shores is headed downward with no significant swells into the weekend. South shore surf will remain very small .For mariners, a small craft advisory will remain posted until 6 a.m. Thursday for waters around Maui County and the Big Island.