Water Temperature of the Pacific Ocean Near Eureka, CA

Current Water Temperature

55.4°F

Measurement Time: Wednesday, July 23, 2025, 8:30 PM 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 / 0 meters

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

54°F
Mist
Conditions: Mist
Humidity: 100%
Feels Like: 54.8°F
Wind: WNW 2.2 mph
Wind Gusts: 6.7 mph
Pressure: 30.07 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 3 mi
UV Index: 0

Five Day Weather Forecast

Cloudy
Wed
H: 60°F
L: 55°F
Mist
Thu
H: 59°F
L: 53°F
Mist
Fri
H: 56°F
L: 55°F
Fog
Sat
H: 57°F
L: 54°F
Sunny
Sun
H: 62°F
L: 49°F

Air Quality

AQI: 1 - Good
PM2.5: 14.25 μg/m3
PM10: 18.13 μg/m3
Carbon Monoxide: 225.7 μg/m3
Nitrogen Dioxide: 16.1 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 40 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:24 PM
Sunset: 8:42 PM
Daylight: 14 hrs 35 mins
Moonrise: 4:29 AM
Moon Transit: 12:33 AM
Moonset: 8:30 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:45 PM - 10:15 PM
12:03 AM - 2:33 PM

Minor Periods

8:00 PM - 9:30 PM
3:59 AM - 5:29 AM

Action Rating: 2 out of 5

Fire Weather Watch issued July 23 at 12:31PM PDT until July 24 at 11:00PM PDT by NWS Eureka CA

Effective: Wed July 23, 2025, 12:31 PM
Expires: Wed July 23, 2025, 8:45 PM

...SCATTERED DRY THUNDERSTORMS POSSIBLE THURSDAY AFTERNOON AND EVENING AND FRIDAY ACROSS THE INTERIOR MOUNTAINS... .Scattered dry thunderstorms are forecast to develop in the Klamath Mountains Thursday afternoon and evening. The highest confidence of storms is in Siskiyou, Northern Humboldt, Eastern Del Norte, and Trinity counties. Some thunder potential also exists in southern Humboldt and in the Yolla Bollys. Thunderstorms are possible again on Friday, with storms possible further south into interior Mendocino and Northern Lake, along with interior Humboldt and Trinity Counties. The National Weather Service in Eureka has issued a Fire Weather Watch, which is in effect from Friday morning through Friday evening. * AFFECTED AREA...Fire weather zone 212. * THUNDERSTORMS...Scattered thunderstorms are possible in the afternoon, mostly over the higher terrain. * OUTFLOW WINDS...Gusty and erratic outflow winds up to 40 mph are possible. * IMPACTS...Lightning strikes may start fires.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Red Flag Warning issued July 23 at 12:31PM PDT until July 24 at 11:00PM PDT by NWS Eureka CA

Effective: Wed July 23, 2025, 12:31 PM
Expires: Wed July 23, 2025, 8:45 PM

...SCATTERED DRY THUNDERSTORMS POSSIBLE THURSDAY AFTERNOON AND EVENING AND FRIDAY ACROSS THE INTERIOR MOUNTAINS... .Scattered dry thunderstorms are forecast to develop in the Klamath Mountains Thursday afternoon and evening. The highest confidence of storms is in Siskiyou, Northern Humboldt, Eastern Del Norte, and Trinity counties. Some thunder potential also exists in southern Humboldt and in the Yolla Bollys. Thunderstorms are possible again on Friday, with storms possible further south into interior Mendocino and Northern Lake, along with interior Humboldt and Trinity Counties. The National Weather Service in Eureka has issued a Red Flag Warning, which is in effect from 11 AM to 11 PM PDT Thursday. a Fire Weather Watch has also been issued. This Fire Weather Watch is in effect from Friday morning through Friday evening. * THUNDERSTORMS...Scattered thunderstorms are possible in the afternoon, mostly over the higher terrain. * OUTFLOW WINDS...Gusty and erratic outflow winds up to 40 mph are possible. * IMPACTS...Lightning strikes may start fires.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Fire Weather Watch issued July 23 at 12:31PM PDT until July 25 at 11:00PM PDT by NWS Eureka CA

Effective: Wed July 23, 2025, 12:31 PM
Expires: Wed July 23, 2025, 8:45 PM

...SCATTERED DRY THUNDERSTORMS POSSIBLE THURSDAY AFTERNOON AND EVENING AND FRIDAY ACROSS THE INTERIOR MOUNTAINS... .Scattered dry thunderstorms are forecast to develop in the Klamath Mountains Thursday afternoon and evening. The highest confidence of storms is in Siskiyou, Northern Humboldt, Eastern Del Norte, and Trinity counties. Some thunder potential also exists in southern Humboldt and in the Yolla Bollys. Thunderstorms are possible again on Friday, with storms possible further south into interior Mendocino and Northern Lake, along with interior Humboldt and Trinity Counties. The National Weather Service in Eureka has issued a Red Flag Warning, which is in effect from 11 AM to 11 PM PDT Thursday. a Fire Weather Watch has also been issued. This Fire Weather Watch is in effect from Friday morning through Friday evening. * THUNDERSTORMS...Scattered thunderstorms are possible in the afternoon, mostly over the higher terrain. * OUTFLOW WINDS...Gusty and erratic outflow winds up to 40 mph are possible. * IMPACTS...Lightning strikes may start fires.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Fire Weather Watch issued July 23 at 12:31PM PDT until July 25 at 11:00PM PDT by NWS Eureka CA

Effective: Wed July 23, 2025, 12:31 PM
Expires: Wed July 23, 2025, 8:45 PM

...SCATTERED DRY THUNDERSTORMS POSSIBLE THURSDAY AFTERNOON AND EVENING AND FRIDAY ACROSS THE INTERIOR MOUNTAINS... .Scattered dry thunderstorms are forecast to develop in the Klamath Mountains Thursday afternoon and evening. The highest confidence of storms is in Siskiyou, Northern Humboldt, Eastern Del Norte, and Trinity counties. Some thunder potential also exists in southern Humboldt and in the Yolla Bollys. Thunderstorms are possible again on Friday, with storms possible further south into interior Mendocino and Northern Lake, along with interior Humboldt and Trinity Counties. The National Weather Service in Eureka has issued a Fire Weather Watch, which is in effect from Friday morning through Friday evening. * AFFECTED AREA...Fire weather zone 212. * THUNDERSTORMS...Scattered thunderstorms are possible in the afternoon, mostly over the higher terrain. * OUTFLOW WINDS...Gusty and erratic outflow winds up to 40 mph are possible. * IMPACTS...Lightning strikes may start fires.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Fire Weather Watch issued July 23 at 12:31PM PDT until July 24 at 11:00PM PDT by NWS Eureka CA

Effective: Wed July 23, 2025, 12:31 PM
Expires: Wed July 23, 2025, 8:45 PM

...SCATTERED DRY THUNDERSTORMS POSSIBLE THURSDAY AFTERNOON AND EVENING AND FRIDAY ACROSS THE INTERIOR MOUNTAINS... .Scattered dry thunderstorms are forecast to develop in the Klamath Mountains Thursday afternoon and evening. The highest confidence of storms is in Siskiyou, Northern Humboldt, Eastern Del Norte, and Trinity counties. Some thunder potential also exists in southern Humboldt and in the Yolla Bollys. Thunderstorms are possible again on Friday, with storms possible further south into interior Mendocino and Northern Lake, along with interior Humboldt and Trinity Counties. The National Weather Service in Eureka has issued a Fire Weather Watch, which is in effect from Friday morning through Friday evening. * AFFECTED AREA...Fire weather zone 212. * THUNDERSTORMS...Scattered thunderstorms are possible in the afternoon, mostly over the higher terrain. * OUTFLOW WINDS...Gusty and erratic outflow winds up to 40 mph are possible. * IMPACTS...Lightning strikes may start fires.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Wednesday, July 23, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 57.7°F
Average Humidity: 93%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 2.3

Air Quality

AQI: 2 - Moderate
PM2.5: 20.21 μg/m3
PM10: 25.54 μg/m3
Carbon Monoxide: 229.18 μg/m3
Nitrogen Dioxide: 16.63 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 52.72 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:24 PM
Sunset: 8:42 PM
Daylight: 14 hrs 35 mins
Moonrise: 4:29 AM
Moon Transit: 12:33 AM
Moonset: 8:30 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:45 PM - 10:15 PM
12:03 AM - 2:33 PM

Minor Periods

8:00 PM - 9:30 PM
3:59 AM - 5:29 AM

Action Rating: 2 out of 5

Thursday, July 24, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 56.9°F
Average Humidity: 96%
Chance of Rain: 0%
Wind: 7.8 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 13.57 μg/m3
PM10: 17.26 μg/m3
Carbon Monoxide: 223.7 μg/m3
Nitrogen Dioxide: 13.11 μg/m3
Sulphur Dioxide: 0.49 μg/m3
Ozone: 52.04 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 1:24 PM
Sunset: 8:41 PM
Daylight: 14 hrs 34 mins
Moonrise: 5:42 AM
Moon Transit: 1:31 PM
Moonset: 9:08 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

8:41 PM - 11:11 PM
1:01 PM - 3:31 PM

Minor Periods

8:38 PM - 10:08 PM
5:12 AM - 6:42 AM

Action Rating: 5 out of 5

Friday, July 25, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 55.5°F
Average Humidity: 97%
Chance of Rain: 0%
Wind: 9.4 mph
UV Index: 2.1

Air Quality

AQI: 1 - Good
PM2.5: 12.57 μg/m3
PM10: 16.42 μg/m3
Carbon Monoxide: 210.68 μg/m3
Nitrogen Dioxide: 7.2 μg/m3
Sulphur Dioxide: 0.38 μg/m3
Ozone: 49.6 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:24 PM
Sunset: 8:40 PM
Daylight: 14 hrs 32 mins
Moonrise: 6:57 AM
Moon Transit: 2:24 PM
Moonset: 9:38 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:54 PM - 4:24 PM

Minor Periods

9:08 PM - 10:38 PM
6:27 AM - 7:57 AM

Action Rating: 5 out of 5

Saturday, July 26, 2025

Weather Forecast

Conditions: Fog
Average Temperature: 55.4°F
Average Humidity: 95%
Chance of Rain: 0%
Wind: 9.8 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 15.22 μg/m3
PM10: 20.68 μg/m3
Carbon Monoxide: 227.62 μg/m3
Nitrogen Dioxide: 7.58 μg/m3
Sulphur Dioxide: 0.44 μg/m3
Ozone: 49.2 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:24 PM
Sunset: 8:40 PM
Daylight: 14 hrs 30 mins
Moonrise: 8:09 AM
Moon Transit: 3:12 PM
Moonset: 10:03 PM
Moon Phase: New
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:42 PM - 5:12 PM

Minor Periods

9:33 PM - 11:03 PM
7:39 AM - 9:09 AM

Action Rating: 3 out of 5

Sunday, July 27, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 55.8°F
Average Humidity: 82%
Chance of Rain: 0%
Wind: 8.3 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 11.09 μg/m3
PM10: 15.64 μg/m3
Carbon Monoxide: 184.86 μg/m3
Nitrogen Dioxide: 7.66 μg/m3
Sulphur Dioxide: 0.28 μg/m3
Ozone: 34.92 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:24 PM
Sunset: 8:39 PM
Daylight: 14 hrs 28 mins
Moonrise: 9:16 AM
Moon Transit: 3:56 PM
Moonset: 10:25 PM
Moon Phase: New
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:26 PM - 5:56 PM

Minor Periods

9:55 PM - 11:25 PM
8:46 AM - 10:16 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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