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Tropical storm conditions are expected over Maui County and the Big Island starting late Tuesday or Tuesday night. Olivia is expected to produce total rainfall accumulations of 10 to 15 inches. Isolated maximum amounts of 20 inches are possible, especially over windward sections of Maui County and Hawaii Island.

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Hawaii should prepare for Impacts which could include intense flooding rainfall, damaging winds, large and dangerous surf, and storm surge.

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Olivia is forecast to approach the main Hawaiian Islands from the east on Tuesday, and pass close to or over the Islands on Wednesday. It is too soon to determine the exact location and magnitude of any impacts.

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Olivia is forecast to approach the main Hawaiian Islands from the east early next week, but it is too soon to determine the exact location and magnitude of any impacts.

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The confidence in the track forecast is high. Olivia is fully embedded within the easterly flow south of a subtropical high. Olivia is currently a category 3 hurricane and still far from Hawaii.

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The National Weather Service in Honolulu has issued a high surf warning for east facing shores of Hawaii Island, Maui, Molokai, Oahu and Kauai until 6 a.m. Friday (Sept 7). A large swell from Hurricane Norman will peak late today and gradually decline Friday along east facing shores of the Big Island, Maui, Molokai, Oahu […]

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Large and potentially dangerous surf from Hurricane Norman is expected along north and east facing shores of Hawaii Island through at least tonight.

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The National Weather Service in Honolulu has issued a high surf warning for east facing shores of Hawaii Island until 6 a.m. Friday (Sept 7).

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A large swell from Hurricane Norman will continue to rise, and peak Thursday, along east facing shores of Hawaii Island, Maui, Molokai, Oahu, and Kauai. All county beach parks on the north and east side will be closed Thursday.

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The National Weather Service in Honolulu has issued a high surf warning for east facing shores of Hawaii Island and Maui until 6 a.m. Friday (Sept 7). A large east swell associated with Hurricane Norman is expected to start spreading across the eastern end of the island chain tonight. Surf along the east facing shores […]

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Norman continues to move toward the west, and the forward motion has slowed to 12 knots. On Wednesday, Norman will begin a turn toward the northwest as it enters a break in the ridge.

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Norman is forecast to move over marginally warm sea surface temperatures (SSTs) and into a drier mid-level environment during the next couple of day, weakening is anticipated to be gradual through mid-week.

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Norman is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Gradual weakening is expected during the next few days.

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Miriam expected to drop below hurricane strength late today or tonight, and become a post-tropical remnant low Sunday or Sunday night.

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