Archive | Weather

Weather advisory map via National Weather Service/NOAA

Multiple weather advisories for Hawaii Island

A broad upper level low nearing Hawaii Island from the east will remain in the area through Friday. Cold air aloft and instability associated with this upper feature combined with plenty of moisture will lead to periods of heavy showers and thunderstorms. Showers will become heavy at times, potentially leading to flash flooding. Although most […]

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Weather advisory map via National Weather Service/NOAA

Numerous weather advisories as a low pressure system approaches the Hawaiian islands

An upper level low approaching the islands from the northeast will bring an unstable airmass to Maui and Hawaii Island. High pressure to the northeast will maintain a trade wind surface flow, focusing the heaviest of rain along windward areas. However the strong trade winds and the unstable airmass will allow for showers and thunderstorms […]

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Hurricane Hector

Maritime heavy weather and hurricane plan informational meetings scheduled

The Hawaii Department of Transportation (HDOT) Harbors Division and the U.S. Coast Guard (USCG) are conducting informational meetings on the islands of Hawaii, Maui, Kauai and Oahu regarding preparations by the maritime community ahead of storms this coming hurricane season, which begins June 1 through November 30.

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Flood Advisory issued for South Kohala and North Kona Wednesday (March 27)

Weather advisory map via National Weather Service/NOAA This is a Civil Defense message for 7:45 p.m., Wednesday, March 27, 2019. The National Weather Service has issued a Flood Advisory for South Kohala, North Kona and South Kona Districts through tonight. A Flood Advisory means that rainfall and runoff will cause hazardous conditions due to ponding, […]

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High Surf Warning continues for north facing shores Monday (March 18)

Hawaii County Civil Defense audio message This is a Civil Defense message for 7 a.m., Monday, March 18, 2019. The National Weather Service continues the High Surf Warning for north facing shores of Hawaii Island through today. A High Surf Warning means large breaking surf, significant shore-break, and dangerous currents make entering the water very […]

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High Surf Warning for north facing shores of Hawaii Island

The National Weather Service has issued a High Surf Warning for north facing shores of Hawaii Island through Monday evening. The swell will build today and is expected to peak on Monday. The most dangerous time along the coast is during periods of high tide forecast to occur around 1:30 a.m. Monday (March 18).

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High Surf Warning for north facing shores of Hawaii Island

Hawaii County Civil Defense audio message This is a Civil Defense message for 6:45 p.m., Saturday, March 16, 2019. The National Weather Service has issued a High Surf Warning for north facing shores of Hawaii Island beginning midnight tonight through Monday evening. A High Surf Warning means large breaking surf, significant shore-break, and dangerous currents make […]

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Large ocean swell to arrive this weekend

MEDIA RELEASE Hawaii County Civil Defense weather statement This is a Civil Defense message for 3:30 p.m., Friday, March 15, 2019 The National Weather Service is tracking a large ocean swell that is expected to arrive Sunday afternoon and continue through Monday.  Warning level surf is expected Sunday afternoon on North facing shores of Hawaii Island. […]

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High Surf Advisory on Hawaii Island for east facing shores

This is a Civil Defense message. the is a High Surf Advisory for 4:30 p.m., Wednesday, February 27, 2019 The National Weather Service has issued a High Surf Advisory for east facing shores of Hawaii Island.  A High Surf Advisory means there is a threat to life and property from surf. Due to the High […]

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Flood Advisory for Hamakua and East Hawaii Saturday, February 23, 2019. NWS Map

Flood Advisory issued for Hawaii Island Saturday (Feb 23)

The National Weather Service in Honolulu has extended a Flood Advisory for the island of Hawaii in Hawaii County until 7 p.m. At 4:06 p.m. HST, weather radar indicated heavy rain near Kamuela, with a rainfall rate of up to an inch an hour. Spotty heavy rain is also occurring along the Hamakua coast near […]

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Flash Flood Watch continues for Hawaii Island

This is a Civil Defense Flash Flood Watch message for 5 p.m., Tuesday, February 19, 2019. The National Weather Service Flash Flood Watch for the Hawaii Island continues through 6 a.m. tomorrow morning and may be extended. A Flash Flood Watch means that conditions are favorable for flash flooding.

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Weather advisory map via National Weather Service/NOAA

Multiple weather advisories for Hawaii Island

A Flash Flood Watch is in effect for Hawaii Island through Tuesday afternoon (Feb 19). A band of deep moisture will move over the eastern half of the state and stall through Tuesday. Convective showers within this band will likely trigger heavy rainfall and thunderstorms over Hawaii Island and Maui County.

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High Surf Warning for Hawaii Island Saturday (Feb 16)

This is a Civil Defense High Surf Warning message for 8 a.m., Saturday, February 16, 2019. The National Weather Service continues the High Surf Warning for north and east facing shores of the Big Island through Saturday evening. A High Surf Warning is issued when very strong breaking waves and strong longshore and rip currents […]

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High Surf and Winter Weather Advisories for Hawaii Island Friday (Feb 15)

The National Weather Service has issued a Winter Weather Advisory for the summits of Mauna Kea and Mauna Loa.

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