INSTRUCTIONS

A Coastal Flood Warning means that flooding is occurring or imminent. Coastal residents in the warned area should be alert for rising water and take appropriate action to protect life and property.

Feet Above Ground is locally defined as feet above the Highest Astronomical Tide or HAT.

DESCRIPTION

* WHAT…For the Coastal Flood Warning, High astronomical tides and large surf will cause major flooding in low lying areas around Humboldt Bay. Up to 1.5 feet of saltwater inundation above ground level is possible in low lying areas near shorelines and tidal waterways. Between 9.9 and 10.2 feet MLLW at the north spit tide gauge is predicted. is predicted. For the Coastal Flood Watch, High astronomical tides and large surf may cause major flooding in low lying areas around Humboldt Bay. Up to 1.5 feet of saltwater inundation above ground level is possible in low lying areas near shorelines and tidal waterways.

* WHERE…Around Humboldt Bay.

* WHEN…For the Coastal Flood Warning, from 9 AM to 1 PM PST Saturday. High tide is at 10:46 AM at the Humboldt Bay North Spit tide gauge. Saltwater inundation will be possible 1 to 2 hours before and after high tide. For the Coastal Flood Watch, from Sunday morning through Sunday afternoon.

* IMPACTS…Several coastal roads may be closed. Low lying property and some critical infrastructure will be inundated. These impacts will include, but not limited to, roadways in King Salmon and the Arcata bottoms, and sections of Highway 101 safety corridors. Shoreline erosion will occur.