Ocean Advisory

2nd annual World Ocean Day event in downtown Hilo on June 10

The 2023 theme for World Ocean Day is “Planet Ocean: Tides Are Changing.”

High surf, high wind advisories in effect

Advisory-level surf is anticipated for the next couple of days.

UPDATE High surf warning extended for portions of Big Island until 6 a.m. Friday

Surf is forecast for 15 to 20 feet today for west-facing shores on the Big Island and gradually diminishing tonight.

UPDATE: High surf advisory for Big Island canceled

Large breaking waves of 6 to 8 feet are forecast this afternoon. Wave heights are expected to increase to 7 to 10 feet tonight.

Update: High surf advisory extended for east-facing shores

Impacts are expected to be moderate, with strong breaking waves and and strong currents that will make swimming dangerous.

UPDATE: Dangerously large breaking waves of 20 to 30 feet now forecast through Saturday night for parts of Big Island

The dangerous surf coincides with strong to gale-force winds and spring high tide.

Strong northeast winds, significant north swell possible on Thanksgiving

You might want to change any plans you have outside on Turkey Day.

Brown water advisory issued for Hilo Bay and Hāmākua Coast

The public is advised to stay out of flood waters and stormwater runoff because of possible overflowing cesspools, sewer, manholes, pesticides, animal fecal matter, dead animals, pathogens, chemicals and associated flood debris.

High Surf Warning Extended Through Monday For South-Facing Shores

The National Weather Service in Honolulu has extended a high surf warning for south-facing shores of the state, including those of the Big Island.

Darby to Bring High Surf, Rain to Big Island as it Passes South

The Big Island’s fight against cancer will continue — tropical storm or not.

County, State Close Beach Parks Ahead of High Surf For Southern Shores

High surf and rough ocean conditions forecast this weekend have led the county to close beach parks along the Big Island’s south-facing shores.

Tropical Storm Warning Issued as Darby Approaches

Darby is now a tropical storm, and despite its weakening trend and forecast track keeping it to the south, the Big Island is likely to still see some impacts. The National Weather Service in Honolulu also issued a tropical storm warning for the state.

High Surf Advisory Issued For South-Facing Shores

The National Weather Service in Honolulu has issued a high surf advisory for south-facing shores of the state, including the Big Island.

High Surf Advisory Now in Effect For South-Facing Shores

The high surf warning that had been effect for south-facing shores of the Big Island was canceled; however, there still remains some threat.

Civil Defense: DLNR Reports Box Jellyfish at Some West Hawai‘i Beaches

Hawai’i County Civil Defense said Thursday afternoon that the state Department of Land and Natural Resources reports box jellyfish at Spencer Beach Park in South Kohala and at other West Hawai’i beaches.

High Surf Prompts Beach Closures

The Civil Defense said additional closures may occur at any time.

Small Craft Advisory

A small craft advisory remains in effect for Big Island windward and southeast waters until Sunday at 6 a.m.

Small Craft Warning in Effect: Strong Trade Winds Continue

A Small Craft Advisory is in effect through 6 p.m. Thursday for Pailolo Channel, Alenuihaha Channel and leeward and southeast waters around the Big Island.
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