Water Temperature of the Pacific Ocean Near Eureka, CA

Current Water Temperature

59.0°F

Measurement Time: Wednesday, July 29, 2026, 4:30 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

57.8°F
Overcast
Overcast
57.9°F
57°F
100%
N 3.8 mph
5.3 mph
55.2°F
56.1°F
0 in
100%
8 mi
1013 mbar
0

Five Day Weather Forecast

Overcast
Wed
H: 63°F
L: 55°F
Sunny
Thu
H: 64°F
L: 52°F
Sunny
Fri
H: 65°F
L: 51°F
Sunny
Sat
H: 65°F
L: 53°F
Sunny
Sun
H: 65°F
L: 53°F

Air Quality

AQI: 1 - Good
PM2.5: 4.2 μg/m3
PM10: 6.4 μg/m3
Carbon Monoxide: 85 μg/m3
Nitrogen Dioxide: 2.5 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 38 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 1:24 PM
Sunset: 8:37 PM
Daylight: 14 hrs 25 mins
Moonrise: 8:59 PM
Moon Transit: 1:14 AM
Moonset: 6:06 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:44 AM - 3:14 AM
8:23 AM - 10:53 AM

Minor Periods

8:29 PM - 9:59 PM
5:36 AM - 7:06 AM

Action Rating: 4 out of 5

Beach Hazards Statement issued July 28 at 8:30PM PDT until July 29 at 6:00PM PDT by NWS Eureka CA

Effective: Tue July 28, 2026, 8:30 PM
Expires: Wed July 29, 2026, 5:00 PM

* WHAT...Increased threat of sneaker waves expected. * WHERE...Southwestern Humboldt and Coastal Mendocino Counties. * WHEN...Through Wednesday afternoon. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath.

Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean.
Wednesday, July 29, 2026

Weather Forecast

Overcast
63.4°F
55.4°F
58.5°F
91%
0 in
25%
0%
11.6 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 6.28 μg/m3
PM10: 9.64 μg/m3
Carbon Monoxide: 86.79 μg/m3
Nitrogen Dioxide: 2.28 μg/m3
Sulphur Dioxide: 0.47 μg/m3
Ozone: 47.33 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 1:24 PM
Sunset: 8:37 PM
Daylight: 14 hrs 25 mins
Moonrise: 8:59 PM
Moon Transit: 1:14 AM
Moonset: 6:06 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:44 AM - 3:14 AM
8:23 AM - 10:53 AM

Minor Periods

8:29 PM - 9:59 PM
5:36 AM - 7:06 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Sunny
64.1°F
52°F
57.8°F
82%
0 in
12%
0%
11.2 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 7.83 μg/m3
PM10: 11.97 μg/m3
Carbon Monoxide: 86.21 μg/m3
Nitrogen Dioxide: 2.05 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 55.5 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:24 PM
Sunset: 8:36 PM
Daylight: 14 hrs 23 mins
Moonrise: 9:23 PM
Moon Transit: 2:01 AM
Moonset: 7:11 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:31 AM - 4:01 AM
9:08 AM - 11:38 AM

Minor Periods

8:53 PM - 10:23 PM
6:41 AM - 8:11 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Sunny
65.4°F
51°F
57.9°F
76%
0 in
10%
0%
8.5 mph
9.6


Air Quality

AQI: 1 - Good
PM2.5: 9.41 μg/m3
PM10: 13.88 μg/m3
Carbon Monoxide: 88.17 μg/m3
Nitrogen Dioxide: 4.3 μg/m3
Sulphur Dioxide: 0.72 μg/m3
Ozone: 46.79 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 1:24 PM
Sunset: 8:35 PM
Daylight: 14 hrs 21 mins
Moonrise: 9:46 PM
Moon Transit: 2:45 AM
Moonset: 8:17 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

2:15 AM - 4:45 AM
9:52 AM - 12:22 AM

Minor Periods

9:16 PM - 10:46 PM
7:47 AM - 9:17 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Sunny
64.8°F
52.5°F
58.9°F
85%
0 in
15%
0%
14.8 mph
9.3


Air Quality

AQI: 1 - Good
PM2.5: 7.16 μg/m3
PM10: 10.81 μg/m3
Carbon Monoxide: 90.16 μg/m3
Nitrogen Dioxide: 2.09 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 43.08 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:24 PM
Sunset: 8:34 PM
Daylight: 14 hrs 19 mins
Moonrise: 10:07 PM
Moon Transit: 3:28 AM
Moonset: 9:21 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:58 AM - 5:28 AM
10:35 AM - 1:05 PM

Minor Periods

9:37 PM - 11:07 PM
8:51 AM - 10:21 AM

Action Rating: 2 out of 5

Sunday, August 2, 2026

Weather Forecast

Sunny
64.5°F
53.1°F
59.1°F
82%
0 in
12%
0%
12.1 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 6.68 μg/m3
PM10: 10.45 μg/m3
Carbon Monoxide: 111 μg/m3
Nitrogen Dioxide: 3.02 μg/m3
Sulphur Dioxide: 0.38 μg/m3
Ozone: 42.33 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 1:24 PM
Sunset: 8:33 PM
Daylight: 14 hrs 16 mins
Moonrise: 10:28 PM
Moon Transit: 3:50 PM
Moonset: 10:28 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:20 PM - 5:50 PM
3:20 PM - 5:50 PM

Minor Periods

9:58 PM - 11:28 PM
9:58 AM - 11:28 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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