Station Name: Cape Mendocino, CA (094)
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet

Nearest Address:
Offshore
Petrolia, CA 95536
Humboldt County

GPS Coordinates: 40.295, -124.732

Nearby Water Temperatures

Heat Advisory issued June 13 at 6:42AM PDT until June 16 at 10:00PM PDT by NWS Eureka CA

Effective: Sat June 13, 2026, 6:42 AM
Expires: Sat June 13, 2026, 10:00 PM

* WHAT...High temperatures of 99 to 110 for the interior valleys. Moderate to Major HeatRisk expected. * WHERE...Northeastern Interior Humboldt. * WHEN...From 11 AM this morning to 10 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses especially for those without cooling or hydration.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Coastal Flood Advisory issued June 13 at 6:40AM PDT until June 14 at 12:00AM PDT by NWS Eureka CA

Effective: Sat June 13, 2026, 6:40 AM
Expires: Sun June 14, 2026, 12:00 AM

* 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 8.8 and 9.1 feet MLLW at the North Spit tide gauge is predicted. * WHERE...Northern Coastal Humboldt County. * WHEN...From 9 PM to 11 PM PDT Saturday. High tide is at 10:41 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. * ADDITIONAL DETAILS...Similar magnitude high tides are forecast to continue Sunday, June 14th through Tuesday, June 16th.

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.