Water Temperature of Humboldt Bay in Eureka, CA
Current Water Temperature
Measurement Time: Wednesday, July 1, 2026, 1:42 AM PDT
Today's Tides
High: July 1, 12:31 AM, 6.9 ft
Low: July 1, 7:41 AM, -0.9 ft
High: July 1, 2:40 PM, 5.2 ft
Low: July 1, 7:18 PM, 3.3 ft
Temperature Locations
View Nearby Locations View All California Locations View Locations Near Me
Local Points of Interest
Samoa Dunes Recreational Area; Mike Thompson Wildlife Area; South Bay; Rosewood, CA; Elk River, CAStation Name: North Spit
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 0 feet
Sensor Depth: -4 feet
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

Five Day Weather Forecast

Wed
H: 62°F
L: 51°F

Thu
H: 62°F
L: 52°F

Fri
H: 63°F
L: 51°F

Sat
H: 62°F
L: 52°F

Sun
H: 62°F
L: 51°F
Air Quality
Nitrogen Dioxide: 2.9 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 57 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 8:52 PM
Daylight: 15 hrs 3 mins
Moon Transit: 2:29 AM
Moonset: 7:09 AM
Moon Phase: Full
Moon Illumination: 94.7%
Best Times for Fishing or Hunting
Major Periods
1:59 AM - 4:29 AM9:40 AM - 12:10 AM
Minor Periods
9:56 PM - 11:26 PM6:39 AM - 8:09 AM
Action Rating: 3 out of 5
Hazardous Seas Warning issued June 30 at 8:59PM PDT until July 2 at 6:00AM PDT by NWS Eureka CA
Effective: Tue June 30, 2026, 8:59 PM
Expires: Wed July 1, 2026, 5:00 AM
* WHAT...Very steep and hazardous seas 7 to 12 feet and north winds 15 to 25 kt with gusts up to 35 kt. * WHERE...Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm. * WHEN...Until 6 AM PDT Thursday. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels.
Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside.
Hazardous Seas Warning issued June 30 at 2:14PM PDT until July 2 at 6:00AM PDT by NWS Eureka CA
Effective: Tue June 30, 2026, 2:14 PM
Expires: Tue June 30, 2026, 10:15 PM
* WHAT...Very steep and hazardous seas 7 to 12 feet and north winds 15 to 25 kt with gusts up to 40 kt. * WHERE...Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm. * WHEN...Until 6 AM PDT Thursday. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels.
Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside.
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.04 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 63.42 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 8:52 PM
Daylight: 15 hrs 3 mins
Moon Transit: 2:29 AM
Moonset: 7:09 AM
Moon Phase: Full
Moon Illumination: 94.7%
Best Times for Fishing or Hunting
Major Periods
1:59 AM - 4:29 AM9:40 AM - 12:10 AM
Minor Periods
9:56 PM - 11:26 PM6:39 AM - 8:09 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.45 μg/m3
Sulphur Dioxide: 0.52 μg/m3
Ozone: 51.04 μg/m3
Astronomical
Sun Transit: 1:21 PM
Sunset: 8:52 PM
Daylight: 15 hrs 2 mins
Moon Transit: 3:16 AM
Moonset: 8:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%
Best Times for Fishing or Hunting
Major Periods
2:46 AM - 5:16 AM10:26 AM - 12:56 AM
Minor Periods
10:24 PM - 11:54 PM7:44 AM - 9:14 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.89 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 39.79 μg/m3
Astronomical
Sun Transit: 1:21 PM
Sunset: 8:52 PM
Daylight: 15 hrs 2 mins
Moon Transit: 4:01 AM
Moonset: 9:18 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%
Best Times for Fishing or Hunting
Major Periods
3:31 AM - 6:01 AM11:11 AM - 1:41 PM
Minor Periods
12:00 AM - 12:00 AM8:48 AM - 10:18 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 0.39 μg/m3
Ozone: 37.63 μg/m3
Astronomical
Sun Transit: 1:21 PM
Sunset: 8:52 PM
Daylight: 15 hrs 1 mins
Moon Transit: 4:45 AM
Moonset: 10:23 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.6%
Best Times for Fishing or Hunting
Major Periods
4:15 AM - 6:45 AM11:54 AM - 2:24 PM
Minor Periods
9:53 AM - 11:23 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.95 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 38 μg/m3
Astronomical
Sun Transit: 1:21 PM
Sunset: 8:51 PM
Daylight: 15 hrs mins
Moon Transit: 5:27 AM
Moonset: 11:27 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.8%
Best Times for Fishing or Hunting
Major Periods
4:57 AM - 7:27 AM12:00 AM - 12:00 AM
Minor Periods
10:57 AM - 12:27 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
