In effect from Thursday, Jan 01 2026 8:00 AM - Saturday, Jan 03 2026 1:00 PM
Issued by NWS Eureka CA
What:
For the Coastal Flood Advisory, 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
8.8 and 9.1 feet MLLW at the North Spit tide gauge is predicted.
For the Coastal Flood Watch flooding is possible around Humboldt
Bay Thursday through Saturday at high tide. 1 to 1.5 feet of
saltwater inundation (9.5 to 10 feet MLLW) is possible Friday
and Saturday.
Where:
Northern Humboldt County Coast.
When:
For the Coastal Flood Advisory, from 7 AM to 9 AM PST
Wednesday. For the Coastal Flood Watch, from Thursday morning
through Saturday afternoon. High tide is at 8:00 AM at the
Humboldt Bay North Spit tide gauge Wednesday. Saltwater
inundation will be possible 1 to 2 hours before and after high
tide.
Impacts:
Several coastal roads may be closed. Low lying
property and some critical infrastructure will be inundated.
Some shoreline erosion may occur.
Instructions: A Coastal Flood Watch means that flooding is possible but not
imminent. Coastal residents in the watch area should begin
preparations 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.
Areas Impacted:
Northern Humboldt Coast
187a0f5ef7ebe9d959f9bbb6812865acd3f30f4f.001.2
Coastal Flood Watch
In effect from Thursday, Jan 01 2026 8:00 AM - Saturday, Jan 03 2026 1:00 PM
Issued by NWS Eureka CA
What:
High astronomical tides and large surf may cause moderate
to major flooding in low lying areas along the Redwood and
Mendocino Coast. Up to one foot of saltwater inundation above
ground level is possible in low lying areas near shorelines and
tidal waterways.
Where:
Coastal Del Norte, Southern Humboldt Coast and Mendocino
Coast.
When:
From Thursday morning through Saturday afternoon. .
Impacts:
Several coastal roads may be closed. Low lying
property and some critical infrastructure will be inundated.
Some shoreline erosion may occur.
Instructions: A Coastal Flood Watch means that flooding is possible but not
imminent. Coastal residents in the watch area should begin
preparations 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.
