Water Temperature of Humboldt Bay in Eureka, CA
Current Water Temperature
Measurement Time: Wednesday, June 25, 2025, 2:42 AM PDT
Today's Tides
Low: June 25, 6:32 AM, -2.09 ft
High: June 25, 1:32 PM, 5.47 ft
Low: June 25, 6:06 PM, 3.02 ft
Temperature Locations
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Local Points of Interest
Samoa Dunes Recreational Area; Mike Thompson Wildlife Area; South Bay; Rosewood, CA; Elk River, CASponsored Content
Station Name: North Spit
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 0 feet / 0 meters
Sensor Depth: -3.8 feet / -1.2 meters
Nearest Address:
New Navy Base Rd
Eureka, CA 95521
Humboldt County
GPS Coordinates: 40.76630, -124.21720
Nearby Water Temperatures
Pacific Ocean, Manila, CA (11.6 mi)Pacific Ocean, Eureka, CA (16.3 mi)
Trinity River, Hoopa, CA (34.5 mi)
Pacific Ocean, Petrolia, CA (42.3 mi)
Klamath River, Orleans, CA (51.4 mi)
Klamath River, Klamath, CA (52.9 mi)
Trinity River, Helena, CA (57.7 mi)
Trinity River, Douglas City, CA (66.5 mi)
Crescent Harbor, Crescent City, CA (67.7 mi)
Trinity River, Lewiston, CA (74.2 mi)
Elder Creek, Branscomb, CA (77.7 mi)
East Fork Russian River, Ukiah, CA (119.7 mi)
Mill Creek, Los Milinos, CA (125.4 mi)
Deer Creek, Vina, CA (130.2 mi)
Arena Cove, Point Arena, CA (130.7 mi)
Weather for Eureka, California
Current Weather

Humidity: 86%
Feels Like: 54.5°F
Wind: NNE 4.3 mph
Wind Gusts: 7.4 mph
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Wed
H: 56°F
L: 50°F

Thu
H: 56°F
L: 52°F

Fri
H: 56°F
L: 50°F

Sat
H: 61°F
L: 51°F

Sun
H: 64°F
L: 52°F
Air Quality
Nitrogen Dioxide: 6.11 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 58 μg/m3
Astronomical
Sun Transit: 1:19 PM
Sunset: 8:53 PM
Daylight: 15 hrs 6 mins
Moon Transit: 1:46 PM
Moonset: 9:51 PM
Moon Phase: New
Moon Illumination: 1.6%
Best Times for Fishing or Hunting
Major Periods
9:02 PM - 11:32 PM1:16 PM - 3:46 PM
Minor Periods
9:21 PM - 10:51 PM5:06 AM - 6:36 AM
Action Rating: 5 out of 5
Coastal Flood Advisory issued June 24 at 10:35PM PDT until June 25 at 1:00AM PDT by NWS Eureka CA
Effective: Tue June 24, 2025, 10:35 PM
Expires: Wed June 25, 2025, 1:00 AM
* WHAT...High astronomical tides will cause minor flooding in low lying areas around Humboldt Bay. Up to one quarter foot of saltwater inundation above ground level is possible near shorelines and tidal waterways. Between 8.6 and 8.9 feet MLLW at the North Spit tide gauge is predicted. * WHERE...Northern Humboldt Coast County. * WHEN...From 9 PM this evening to 1 AM PDT Wednesday. High tide is at 11:06 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 could impact Jackson Ranch Road in the Arcata Bottoms and several roads in King Salmon.
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.
Weather Forecast
Average Temperature: 54.4°F
Average Humidity: 96%
Wind: 9.8 mph
UV Index: 2.4
Air Quality
Nitrogen Dioxide: 7.92 μg/m3
Sulphur Dioxide: 0.63 μg/m3
Ozone: 60.96 μg/m3
Astronomical
Sun Transit: 1:19 PM
Sunset: 8:53 PM
Daylight: 15 hrs 6 mins
Moon Transit: 1:46 PM
Moonset: 9:51 PM
Moon Phase: New
Moon Illumination: 1.6%
Best Times for Fishing or Hunting
Major Periods
9:02 PM - 11:32 PM1:16 PM - 3:46 PM
Minor Periods
9:21 PM - 10:51 PM5:06 AM - 6:36 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 53.5°F
Average Humidity: 95%
Wind: 11.6 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 5.96 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 44.12 μg/m3
Astronomical
Sun Transit: 1:19 PM
Sunset: 8:53 PM
Daylight: 15 hrs 5 mins
Moon Transit: 2:47 PM
Moonset: 10:36 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:17 PM - 4:47 PM
Minor Periods
10:06 PM - 11:36 PM6:19 AM - 7:49 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 52.9°F
Average Humidity: 95%
Wind: 11.4 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 3.97 μg/m3
Sulphur Dioxide: 0.77 μg/m3
Ozone: 48.6 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 8:53 PM
Daylight: 15 hrs 5 mins
Moon Transit: 3:43 PM
Moonset: 11:10 PM
Moon Phase: New
Moon Illumination: 2.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM3:13 PM - 5:43 PM
Minor Periods
12:00 AM - 12:00 AM7:34 AM - 9:04 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 55.7°F
Average Humidity: 82%
Wind: 8.5 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 6.96 μg/m3
Sulphur Dioxide: 0.73 μg/m3
Ozone: 55.77 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 8:53 PM
Daylight: 15 hrs 5 mins
Moon Transit: 4:33 PM
Moonset: 12:10 AM
Moon Phase: Waxing Crescent
Moon Illumination: 6.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM4:03 PM - 6:33 PM
Minor Periods
8:47 AM - 10:17 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 56.2°F
Average Humidity: 83%
Wind: 6.7 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 8:52 PM
Daylight: 15 hrs 4 mins
Moon Transit: 5:19 PM
Moonset: 12:37 AM
Moon Phase: Waxing Crescent
Moon Illumination: 13.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM4:49 PM - 7:19 PM
Minor Periods
9:56 AM - 11:26 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5