Water Temperature of Humboldt Bay in Eureka, CA
Current Water Temperature
Measurement Time: Wednesday, April 23, 2025, 12:00 AM PDT
Today's Tides
Low: April 23, 2:39 AM, 2.50 ft
High: April 23, 8:26 AM, 5.59 ft
Low: April 23, 3:02 PM, 0.18 ft
High: April 23, 9:44 PM, 5.78 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: 90%
Feels Like: 42°F
Wind: NNE 5.4 mph
Wind Gusts: 9.9 mph
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Wed
H: 51°F
L: 47°F

Thu
H: 49°F
L: 48°F

Fri
H: 50°F
L: 47°F

Sat
H: 50°F
L: 46°F

Sun
H: 53°F
L: 44°F
Air Quality
Nitrogen Dioxide: 7.59 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 51 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:05 PM
Daylight: 13 hrs 40 mins
Moon Transit: 9:45 AM
Moonset: 3:24 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.0%
Best Times for Fishing or Hunting
Major Periods
4:57 PM - 7:27 PM9:15 AM - 11:45 AM
Minor Periods
2:54 PM - 4:24 PM3:48 AM - 5:18 AM
Action Rating: 2 out of 5
Frost Advisory issued April 22 at 7:44PM PDT until April 23 at 9:00AM PDT by NWS Eureka CA
Effective: Tue April 22, 2025, 7:44 PM
Expires: Wed April 23, 2025, 3:45 AM
* WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Trinity County. * WHEN...From 2 AM to 9 AM PDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.
Weather Forecast
Average Temperature: 48.9°F
Average Humidity: 95%
Wind: 10.3 mph
UV Index: 1.7
Air Quality
Nitrogen Dioxide: 5.71 μg/m3
Sulphur Dioxide: 0.63 μg/m3
Ozone: 71.36 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:05 PM
Daylight: 13 hrs 40 mins
Moon Transit: 9:45 AM
Moonset: 3:24 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.0%
Best Times for Fishing or Hunting
Major Periods
4:57 PM - 7:27 PM9:15 AM - 11:45 AM
Minor Periods
2:54 PM - 4:24 PM3:48 AM - 5:18 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 48.1°F
Average Humidity: 97%
Wind: 8.1 mph
UV Index: 1
Air Quality
Nitrogen Dioxide: 3.89 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 85.92 μg/m3
Astronomical
Sun Transit: 1:14 PM
Sunset: 8:06 PM
Daylight: 13 hrs 42 mins
Moon Transit: 10:34 AM
Moonset: 4:39 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.3%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:04 AM - 12:34 AM
Minor Periods
4:09 PM - 5:39 PM4:13 AM - 5:43 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 48.1°F
Average Humidity: 95%
Wind: 12.3 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 2.32 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 91.76 μg/m3
Astronomical
Sun Transit: 1:14 PM
Sunset: 8:08 PM
Daylight: 13 hrs 44 mins
Moon Transit: 12:34 AM
Moonset: 5:56 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%
Best Times for Fishing or Hunting
Major Periods
12:04 AM - 2:34 AM12:04 AM - 2:34 AM
Minor Periods
5:26 PM - 6:56 PM4:37 AM - 6:07 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 48.3°F
Average Humidity: 88%
Wind: 17.4 mph
UV Index: 0.7
Air Quality
Nitrogen Dioxide: 2.87 μg/m3
Sulphur Dioxide: 0.46 μg/m3
Ozone: 83.15 μg/m3
Astronomical
Sun Transit: 1:14 PM
Sunset: 8:09 PM
Daylight: 13 hrs 47 mins
Moon Transit: 12:16 AM
Moonset: 7:15 PM
Moon Phase: New
Moon Illumination: 0.0%
Best Times for Fishing or Hunting
Major Periods
7:30 PM - 10:00 PM11:46 AM - 2:16 PM
Minor Periods
6:45 PM - 8:15 PM5:01 AM - 6:31 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 47.4°F
Average Humidity: 79%
Wind: 15.2 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:14 PM
Sunset: 8:10 PM
Daylight: 13 hrs 49 mins
Moon Transit: 1:11 PM
Moonset: 8:38 PM
Moon Phase: New
Moon Illumination: 1.7%
Best Times for Fishing or Hunting
Major Periods
8:25 PM - 10:55 PM12:41 AM - 3:11 PM
Minor Periods
8:08 PM - 9:38 PM5:30 AM - 7:00 AM
Action Rating: 5 out of 5