Water Temperature of Humboldt Bay in Eureka, CA

Current Water Temperature

55.0°F

Measurement Time: Saturday, April 11, 2026, 1:42 PM PDT

Today's Tides

Low: April 11, 1:12 AM, 3.6 ft
 High: April 11, 6:56 AM, 5.4 ft
Low: April 11, 2:12 PM, 0.6 ft
 High: April 11, 9:17 PM, 4.8 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

55°F
Partly cloudy
Partly cloudy
51.5°F
55.1°F
83%
SSE 13.2 mph
17.2 mph
52.1°F
48.2°F
0.04 in
75%
9 mi
1005 mbar
3.1

Five Day Weather Forecast

Moderate rain
Sat
H: 58°F
L: 49°F
Patchy rain nearby
Sun
H: 51°F
L: 46°F
Cloudy
Mon
H: 52°F
L: 47°F
Partly Cloudy
Tue
H: 52°F
L: 45°F
Patchy rain nearby
Wed
H: 50°F
L: 42°F

Air Quality

AQI: 1 - Good
PM2.5: 1.35 μg/m3
PM10: 1.45 μg/m3
Carbon Monoxide: 146.85 μg/m3
Nitrogen Dioxide: 2.85 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 1:17 PM
Sunset: 7:52 PM
Daylight: 13 hrs 8 mins
Moonrise: 3:53 AM
Moon Transit: 8:42 AM
Moonset: 1:38 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

8:12 AM - 10:42 AM
3:53 PM - 6:23 PM

Minor Periods

1:08 PM - 2:38 PM
3:23 AM - 4:53 AM

Action Rating: 2 out of 5

Saturday, April 11, 2026

Weather Forecast

Moderate rain
58.3°F
49.3°F
53°F
85%
0.45 in
88%
0%
16.1 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 4 μg/m3
PM10: 5.04 μg/m3
Carbon Monoxide: 142.89 μg/m3
Nitrogen Dioxide: 3.81 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 73.16 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 1:17 PM
Sunset: 7:52 PM
Daylight: 13 hrs 8 mins
Moonrise: 3:53 AM
Moon Transit: 8:42 AM
Moonset: 1:38 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

8:12 AM - 10:42 AM
3:53 PM - 6:23 PM

Minor Periods

1:08 PM - 2:38 PM
3:23 AM - 4:53 AM

Action Rating: 2 out of 5

Sunday, April 12, 2026

Weather Forecast

Patchy rain nearby
50.7°F
45.9°F
49°F
89%
0.12 in
78%
0%
10.7 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 2.03 μg/m3
PM10: 2.39 μg/m3
Carbon Monoxide: 154.37 μg/m3
Nitrogen Dioxide: 3.15 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 86.92 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:17 PM
Sunset: 7:53 PM
Daylight: 13 hrs 11 mins
Moonrise: 4:22 AM
Moon Transit: 9:29 AM
Moonset: 2:46 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:59 AM - 11:29 AM
4:39 PM - 7:09 PM

Minor Periods

2:16 PM - 3:46 PM
3:52 AM - 5:22 AM

Action Rating: 2 out of 5

Monday, April 13, 2026

Weather Forecast

Cloudy
52°F
47.3°F
49.4°F
89%
0 in
0%
0%
12.1 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 5.42 μg/m3
PM10: 6.95 μg/m3
Carbon Monoxide: 151.57 μg/m3
Nitrogen Dioxide: 4.92 μg/m3
Sulphur Dioxide: 1.82 μg/m3
Ozone: 80.04 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 1:17 PM
Sunset: 7:54 PM
Daylight: 13 hrs 13 mins
Moonrise: 4:46 AM
Moon Transit: 10:15 AM
Moonset: 3:55 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

5:25 PM - 7:55 PM
9:45 AM - 12:15 AM

Minor Periods

3:25 PM - 4:55 PM
4:16 AM - 5:46 AM

Action Rating: 3 out of 5

Tuesday, April 14, 2026

Weather Forecast

Partly Cloudy
51.7°F
45.1°F
47.2°F
85%
0 in
0%
0%
8.7 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 6.91 μg/m3
PM10: 9.8 μg/m3
Carbon Monoxide: 165.97 μg/m3
Nitrogen Dioxide: 2.03 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 87.48 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:17 PM
Sunset: 7:56 PM
Daylight: 13 hrs 16 mins
Moonrise: 5:09 AM
Moon Transit: 12:00 AM
Moonset: 5:04 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:11 PM - 8:41 PM

Minor Periods

4:34 PM - 6:04 PM
4:39 AM - 6:09 AM

Action Rating: 2 out of 5

Wednesday, April 15, 2026

Weather Forecast

Patchy rain nearby
50.2°F
42.3°F
46.6°F
83%
0.19 in
78%
0%
15.7 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 7.97 μg/m3
PM10: 11.82 μg/m3
Carbon Monoxide: 153.33 μg/m3
Nitrogen Dioxide: 2.88 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 84.92 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:16 PM
Sunset: 7:57 PM
Daylight: 13 hrs 19 mins
Moonrise: 5:32 AM
Moon Transit: 8:33 AM
Moonset: 6:17 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

5:47 PM - 7:17 PM
5:02 AM - 6:32 AM

Action Rating: 3 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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