Coastal Flood Advisory issued October 28 at 2:47PM PDT until October 29 at 4:00PM PDT by NWS Eureka CA
Issue date: 2026-10-28T21:47+00:00
* WHAT...High astronomical tides will cause minor flooding in low lying areas around Humboldt Bay. Up to one half foot of saltwater inundation above ground level is possible near shorelines and tidal waterways. Between 9.0 and 9.3 feet MLLW at the North Spit tide gauge is predicted. * WHERE...Northern Coastal Humboldt County. * WHEN...From 1 PM to 4 PM PDT Thursday. High tide is at 1:59 PM at the Humboldt Bay North Spit tide gauge. Saltwater inundation will be possible 1 to 2 hours before and after high tide. * IMPACTS...Flooding of low lying areas around Humboldt Bay including parks and roads with only isolated closures expected. Flooding will likely impact Jackson Ranch Road in the Arcata Bottoms and several roads in King Salmon.
Frost Advisory issued October 28 at 10:53AM PDT until October 29 at 9:00AM PDT by NWS Eureka CA
Issue date: 2026-10-28T17:53+00:00
* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Del Norte, Humboldt, and Mendocino Coast, Humboldt Interior, Interior Del Norte, and Southwestern Interior Mendocino. * WHEN...From 1 AM to 9 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...Some valleys, especially closer to the coast, may experience low cloud cover and/or fog, which will limit the potential for frost.
