Water Temperature of Humboldt Bay in Eureka, CA

Current Water Temperature

55.8°F

Measurement Time: Sunday, March 22, 2026, 10:42 AM PDT

Today's Tides

 High: March 22, 2:18 AM, 7.5 ft
Low: March 22, 9:05 AM, -0.5 ft
 High: March 22, 3:35 PM, 5.4 ft
Low: March 22, 8:42 PM, 2.3 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
Partly cloudy
Partly cloudy
49.3°F
54.3°F
79%
NNW 5.4 mph
6.2 mph
53.5°F
46.5°F
0 in
50%
9 mi
1020 mbar
1.9

Five Day Weather Forecast

Sunny
Sun
H: 61°F
L: 47°F
Cloudy
Mon
H: 53°F
L: 48°F
Cloudy
Tue
H: 62°F
L: 53°F
Mist
Wed
H: 52°F
L: 48°F
Sunny
Thu
H: 58°F
L: 41°F

Air Quality

AQI: 1 - Good
PM2.5: 8.95 μg/m3
PM10: 12.55 μg/m3
Carbon Monoxide: 161.85 μg/m3
Nitrogen Dioxide: 3.05 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 94 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 12:00 AM
Sunset: 7:31 PM
Daylight: 12 hrs 15 mins
Moonrise: 8:58 AM
Moon Transit: 4:39 PM
Moonset: 12:14 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:09 PM - 6:39 PM

Minor Periods

8:28 AM - 9:58 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, March 22, 2026

Weather Forecast

Sunny
60.8°F
46.9°F
52.6°F
81%
0 in
0%
0%
12.1 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 6.48 μg/m3
PM10: 8.94 μg/m3
Carbon Monoxide: 162.97 μg/m3
Nitrogen Dioxide: 4.1 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 73.36 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 12:00 AM
Sunset: 7:31 PM
Daylight: 12 hrs 15 mins
Moonrise: 8:58 AM
Moon Transit: 4:39 PM
Moonset: 12:14 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:09 PM - 6:39 PM

Minor Periods

8:28 AM - 9:58 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, March 23, 2026

Weather Forecast

Cloudy
53.4°F
48.2°F
51.2°F
90%
0 in
0%
0%
6.5 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 9.16 μg/m3
PM10: 12.74 μg/m3
Carbon Monoxide: 164.25 μg/m3
Nitrogen Dioxide: 4.98 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 82.08 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 12:00 AM
Sunset: 7:32 PM
Daylight: 12 hrs 17 mins
Moonrise: 9:40 AM
Moon Transit: 5:40 PM
Moonset: 12:33 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
5:10 PM - 7:40 PM

Minor Periods

9:10 AM - 10:40 AM
12:03 AM - 1:33 AM

Action Rating: 3 out of 5

Tuesday, March 24, 2026

Weather Forecast

Cloudy
61.9°F
52.7°F
57.1°F
68%
0 in
0%
0%
14.5 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 7.23 μg/m3
PM10: 8.98 μg/m3
Carbon Monoxide: 185.09 μg/m3
Nitrogen Dioxide: 6.88 μg/m3
Sulphur Dioxide: 2.37 μg/m3
Ozone: 71.72 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 12:00 AM
Sunset: 7:33 PM
Daylight: 12 hrs 20 mins
Moonrise: 10:33 AM
Moon Transit: 6:42 PM
Moonset: 1:47 AM
Moon Phase: Waxing Crescent
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

12:55 AM - 3:25 AM
6:12 PM - 8:42 PM

Minor Periods

10:03 AM - 11:33 AM
1:17 AM - 2:47 AM

Action Rating: 2 out of 5

Wednesday, March 25, 2026

Weather Forecast

Mist
52°F
47.8°F
51.7°F
77%
0 in
0%
0%
23 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 9.04 μg/m3
PM10: 12.84 μg/m3
Carbon Monoxide: 200.09 μg/m3
Nitrogen Dioxide: 5.3 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 83.08 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:00 AM
Sunset: 7:34 PM
Daylight: 12 hrs 23 mins
Moonrise: 11:36 AM
Moon Transit: 7:45 PM
Moonset: 2:53 AM
Moon Phase: First Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

1:58 AM - 4:28 AM
7:15 PM - 9:45 PM

Minor Periods

11:06 AM - 12:36 AM
2:23 AM - 3:53 AM

Action Rating: 3 out of 5

Thursday, March 26, 2026

Weather Forecast

Sunny
57.9°F
41.1°F
49.6°F
66%
0 in
0%
0%
20.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.87 μg/m3
PM10: 7.1 μg/m3
Carbon Monoxide: 158.31 μg/m3
Nitrogen Dioxide: 2.18 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 94.54 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 1:22 PM
Sunset: 7:35 PM
Daylight: 12 hrs 26 mins
Moonrise: 12:48 AM
Moon Transit: 8:44 PM
Moonset: 3:48 AM
Moon Phase: First Quarter
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

3:00 AM - 5:30 AM
8:14 PM - 10:44 PM

Minor Periods

12:18 AM - 1:48 PM
3:18 AM - 4:48 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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