Water Temperature of the Pacific Ocean Near Eureka, CA

Current Water Temperature

52.9°F

Measurement Time: Saturday, April 18, 2026, 8:30 AM PDT

Temperature Locations

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Pacific Ocean

Station Name: EEL RIVER - 17NM WSW of Eureka, CA
Station Type: Other
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet

Nearest Address:
Offshore
Eureka, CA 95503
Humboldt County

GPS Coordinates: 40.748, -124.527

Nearby Water Temperatures

Pacific Ocean, Manila, CA (13.5 mi)
Humboldt Bay, Eureka, CA (16.3 mi)
Pacific Ocean, Petrolia, CA (33.1 mi)
Trinity River, Hoopa, CA (49.2 mi)
Klamath River, Klamath, CA (59.9 mi)
Klamath River, Orleans, CA (64.4 mi)
Crescent Harbor, Crescent City, CA (71.2 mi)
Trinity River, Helena, CA (73.9 mi)
Trinity River, Douglas City, CA (82.6 mi)
Elder Creek, Branscomb, CA (84.4 mi)
Trinity River, Lewiston, CA (90.4 mi)
East Fork Russian River, Ukiah, CA (127.4 mi)
Arena Cove, Point Arena, CA (133.9 mi)
Russian River, Hopland, CA (140.1 mi)
Mill Creek, Los Milinos, CA (140.1 mi)

Weather Near Eureka, California

Current Weather

48°F
Partly cloudy
Partly cloudy
47.5°F
50.4°F
93%
NW 2.9 mph
3.4 mph
50°F
47.9°F
0 in
50%
9 mi
1017 mbar
3.1

Five Day Weather Forecast

Partly Cloudy
Sat
H: 56°F
L: 44°F
Partly Cloudy
Sun
H: 60°F
L: 48°F
Heavy rain
Mon
H: 56°F
L: 49°F
Heavy rain
Tue
H: 58°F
L: 49°F
Patchy rain nearby
Wed
H: 56°F
L: 47°F

Air Quality

AQI: 1 - Good
PM2.5: 10.05 μg/m3
PM10: 14.45 μg/m3
Carbon Monoxide: 155.85 μg/m3
Nitrogen Dioxide: 2.55 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 98 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:17 PM
Sunset: 8:01 PM
Daylight: 13 hrs 26 mins
Moonrise: 6:56 AM
Moon Transit: 2:27 PM
Moonset: 10:13 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:57 PM - 4:27 PM

Minor Periods

9:43 PM - 11:13 PM
6:26 AM - 7:56 AM

Action Rating: 4 out of 5

Frost Advisory issued April 17 at 7:10PM PDT until April 18 at 8:00AM PDT by NWS Eureka CA

Effective: Fri April 17, 2026, 7:10 PM
Expires: Sat April 18, 2026, 3:15 AM

* WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Northern Lake, Western Lake, Northwestern Interior Mendocino, and Southeastern Interior Humboldt. * WHEN...From 1 AM to 8 AM PDT Saturday. * 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.


Frost Advisory issued April 18 at 1:22AM PDT until April 18 at 8:00AM PDT by NWS Eureka CA

Effective: Sat April 18, 2026, 1:22 AM
Expires: Sat April 18, 2026, 8:00 AM

* WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Northern Lake, Western Lake, Northwestern Interior Mendocino, and Southeastern Interior Humboldt. * WHEN...Until 8 AM PDT this morning. * 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.
Saturday, April 18, 2026

Weather Forecast

Partly Cloudy
55.6°F
44.4°F
50.1°F
88%
0 in
0%
0%
5.8 mph
7.1


Air Quality

AQI: 1 - Good
PM2.5: 8.82 μg/m3
PM10: 12.2 μg/m3
Carbon Monoxide: 177.65 μg/m3
Nitrogen Dioxide: 4.75 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 79.72 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:17 PM
Sunset: 8:01 PM
Daylight: 13 hrs 26 mins
Moonrise: 6:56 AM
Moon Transit: 2:27 PM
Moonset: 10:13 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:57 PM - 4:27 PM

Minor Periods

9:43 PM - 11:13 PM
6:26 AM - 7:56 AM

Action Rating: 4 out of 5

Sunday, April 19, 2026

Weather Forecast

Partly Cloudy
60.2°F
47.8°F
53.9°F
63%
0 in
0%
0%
11 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 8.55 μg/m3
PM10: 12.64 μg/m3
Carbon Monoxide: 187.81 μg/m3
Nitrogen Dioxide: 6.81 μg/m3
Sulphur Dioxide: 1.58 μg/m3
Ozone: 74.8 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:17 PM
Sunset: 8:02 PM
Daylight: 13 hrs 29 mins
Moonrise: 7:36 AM
Moon Transit: 3:29 PM
Moonset: 11:32 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:59 PM - 5:29 PM

Minor Periods

12:00 AM - 12:00 AM
7:06 AM - 8:36 AM

Action Rating: 2 out of 5

Monday, April 20, 2026

Weather Forecast

Heavy rain
55.9°F
48.8°F
51.4°F
87%
0.84 in
80%
0%
12.1 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 4.05 μg/m3
PM10: 7.55 μg/m3
Carbon Monoxide: 146.97 μg/m3
Nitrogen Dioxide: 3.99 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 90.6 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:16 PM
Sunset: 8:03 PM
Daylight: 13 hrs 31 mins
Moonrise: 8:27 AM
Moon Transit: 4:33 PM
Moonset: 12:32 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:03 PM - 6:33 PM

Minor Periods

7:57 AM - 9:27 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Heavy rain
58.3°F
48.8°F
51.7°F
91%
1.14 in
84%
0%
8.1 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 4.03 μg/m3
PM10: 5.13 μg/m3
Carbon Monoxide: 167.17 μg/m3
Nitrogen Dioxide: 6.63 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 71.56 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:16 PM
Sunset: 8:04 PM
Daylight: 13 hrs 34 mins
Moonrise: 9:28 AM
Moon Transit: 5:38 PM
Moonset: 12:44 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
5:08 PM - 7:38 PM

Minor Periods

8:58 AM - 10:28 AM
12:14 AM - 1:44 AM

Action Rating: 3 out of 5

Wednesday, April 22, 2026

Weather Forecast

Patchy rain nearby
55.9°F
46.5°F
50.7°F
87%
0.05 in
89%
0%
10.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.75 μg/m3
PM10: 3.27 μg/m3
Carbon Monoxide: 167.25 μg/m3
Nitrogen Dioxide: 5.21 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 76.31 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:16 PM
Sunset: 8:05 PM
Daylight: 13 hrs 36 mins
Moonrise: 10:40 AM
Moon Transit: 6:40 PM
Moonset: 1:44 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

12:51 AM - 3:21 AM
6:10 PM - 8:40 PM

Minor Periods

10:10 AM - 11:40 AM
1:14 AM - 2:44 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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