Humboldt County, CA

Alerts

Advisory Area
County Line

Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.

In effect from Monday 04/20 12:00 AM PDT – Monday 04/20 4:00 AM PDT

Issued by NWS Eureka CA

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 8.6 and 9.0 feet MLLW at the North Spit tide gauge is predicted.

Where

Northern Coastal Humboldt County.

When

From midnight tonight to 4 AM PDT Monday. High tide is at 1:45 AM 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.

What to do

A Coastal Flood Advisory indicates that onshore winds and tides will combine to generate flooding of low areas along the shore.
Feet Above Ground is locally defined as feet above the Highest Astronomical Tide or HAT.


Areas impacted

  • Northern Coastal Humboldt

Tips to stay safe

A Flood Advisory is issued when flooding may cause significant inconvenience, or even become dangerous if you are not careful. Know your risk at home, work and school, and use caution when flooding is expected. 

  • Be aware of low-lying areas along your travel routes that are most likely to flood. 
  • Check road conditions before traveling, and obey road closures and barricades. 
  • Never walk, swim, or drive through flood waters. 
  • Stay tuned for local weather updates on the situation as it develops.

From the forecaster

Breezy Winds Monday

Created by the NWS Eureka WFO

A front will bring strong winds to portions of the day on Monday. For details on your location go to weather.gov and search for your location. Click on hourly weather table to fine more detailed information.

Seven-day weather risk overview

Daily weather risk summary

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Weather forecasting office

Eureka Forecast Office

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