Water Temperature of Humboldt Bay in Eureka, CA

Current Water Temperature

52.0°F

Measurement Time: Wednesday, July 1, 2026, 1:12 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

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Local Points of Interest

Samoa Dunes Recreational Area; Mike Thompson Wildlife Area; South Bay; Rosewood, CA; Elk River, CA

Humboldt Bay

Station 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

51.1°F
Overcast
Overcast
47.3°F
52.5°F
89%
N 10.1 mph
17.4 mph
49.8°F
49.6°F
0 in
100%
9 mi
1016 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 62°F
L: 51°F
Sunny
Thu
H: 62°F
L: 52°F
Sunny
Fri
H: 63°F
L: 51°F
Sunny
Sat
H: 62°F
L: 52°F
Sunny
Sun
H: 62°F
L: 51°F

Air Quality

AQI: 1 - Good
PM2.5: 7.8 μg/m3
PM10: 12.3 μg/m3
Carbon Monoxide: 91 μg/m3
Nitrogen Dioxide: 2.9 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 57 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:20 PM
Sunset: 8:52 PM
Daylight: 15 hrs 3 mins
Moonrise: 10:26 PM
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 AM
9:40 AM - 12:10 AM

Minor Periods

9:56 PM - 11:26 PM
6:39 AM - 8:09 AM

Action Rating: 3 out of 5

Wednesday, July 1, 2026

Weather Forecast

Sunny
61.7°F
50.9°F
56.2°F
82%
0 in
11%
0%
16.6 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 7.52 μg/m3
PM10: 11.49 μg/m3
Carbon Monoxide: 90.08 μg/m3
Nitrogen Dioxide: 2.04 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 63.42 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:20 PM
Sunset: 8:52 PM
Daylight: 15 hrs 3 mins
Moonrise: 10:26 PM
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 AM
9:40 AM - 12:10 AM

Minor Periods

9:56 PM - 11:26 PM
6:39 AM - 8:09 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Sunny
61.8°F
51.5°F
56.8°F
83%
0 in
14%
0%
10.1 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 7.64 μg/m3
PM10: 11.57 μg/m3
Carbon Monoxide: 89.17 μg/m3
Nitrogen Dioxide: 2.45 μg/m3
Sulphur Dioxide: 0.52 μg/m3
Ozone: 51.04 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:21 PM
Sunset: 8:52 PM
Daylight: 15 hrs 2 mins
Moonrise: 10:54 PM
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 AM
10:26 AM - 12:56 AM

Minor Periods

10:24 PM - 11:54 PM
7:44 AM - 9:14 AM

Action Rating: 2 out of 5

Friday, July 3, 2026

Weather Forecast

Sunny
63°F
50.5°F
56.8°F
86%
0 in
25%
0%
10.3 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 8.94 μg/m3
PM10: 13.23 μg/m3
Carbon Monoxide: 90 μg/m3
Nitrogen Dioxide: 3.89 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 39.79 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:21 PM
Sunset: 8:52 PM
Daylight: 15 hrs 2 mins
Moonrise: 11:17 PM
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 AM
11:11 AM - 1:41 PM

Minor Periods

12:00 AM - 12:00 AM
8:48 AM - 10:18 AM

Action Rating: 3 out of 5

Saturday, July 4, 2026

Weather Forecast

Sunny
62.1°F
51.7°F
57.2°F
86%
0 in
22%
0%
11 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 7.97 μg/m3
PM10: 11.33 μg/m3
Carbon Monoxide: 92.69 μg/m3
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 0.39 μg/m3
Ozone: 37.63 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:21 PM
Sunset: 8:52 PM
Daylight: 15 hrs 1 mins
Moonrise: 12:17 AM
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 AM
11:54 AM - 2:24 PM

Minor Periods

9:53 AM - 11:23 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, July 5, 2026

Weather Forecast

Sunny
61.7°F
51.1°F
56.2°F
84%
0 in
14%
0%
10.7 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 10.73 μg/m3
PM10: 15.13 μg/m3
Carbon Monoxide: 111 μg/m3
Nitrogen Dioxide: 7.95 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 38 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:21 PM
Sunset: 8:51 PM
Daylight: 15 hrs mins
Moonrise: 12:39 AM
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 AM
12:00 AM - 12:00 AM

Minor Periods

10:57 AM - 12:27 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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