Water Temperature of the Pacific Ocean Near Petrolia, CA
Current Water Temperature
Measurement Time: Monday, October 20, 2025, 4:26 AM PDT
Temperature Locations
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Local Points of Interest
Cape MendocinoSponsored Content
Station Name: Cape Mendocino, CA (094)
Station Type: Buoy
Data Source: National Data Buoy Center
Elevation Above Sea Level: 0 feet / 0 meters
Nearest Address:
Offshore
Petrolia, CA 95536
Humboldt County
GPS Coordinates: 40.295, -124.732
Nearby Water Temperatures
Pacific Ocean, Eureka, CA (33.1 mi)Humboldt Bay, Eureka, CA (42.3 mi)
Pacific Ocean, Manila, CA (45.9 mi)
Elder Creek, Branscomb, CA (69.6 mi)
Trinity River, Hoopa, CA (76.1 mi)
Trinity River, Helena, CA (91.0 mi)
Klamath River, Klamath, CA (92.7 mi)
Klamath River, Orleans, CA (93.7 mi)
Trinity River, Douglas City, CA (96.4 mi)
Crescent Harbor, Crescent City, CA (104.2 mi)
Trinity River, Lewiston, CA (105.7 mi)
Arena Cove, Point Arena, CA (109.8 mi)
East Fork Russian River, Ukiah, CA (111.7 mi)
Russian River, Hopland, CA (122.2 mi)
Russian River, Hopland, CA (132.5 mi)
Weather Near Petrolia, California
Current Weather

Humidity: 100%
Feels Like: 41.1°F
Wind: NE 3.6 mph
Wind Gusts: 7.5 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Mon
H: 70°F
L: 47°F

Tue
H: 82°F
L: 51°F

Wed
H: 68°F
L: 48°F

Thu
H: 70°F
L: 44°F

Fri
H: 69°F
L: 44°F
Air Quality
Nitrogen Dioxide: 2.25 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 81 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 6:31 PM
Daylight: 10 hrs 56 mins
Moon Transit: 12:30 AM
Moonset: 5:59 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%
Best Times for Fishing or Hunting
Major Periods
7:34 PM - 10:04 PM12:00 AM - 2:30 PM
Minor Periods
5:29 PM - 6:59 PM6:23 AM - 7:53 AM
Action Rating: 4 out of 5
Beach Hazards Statement issued October 19 at 10:24PM PDT until October 20 at 10:00AM PDT by NWS Eureka CA
Effective: Sun October 19, 2025, 10:24 PM
Expires: Mon October 20, 2025, 10:00 AM
* WHAT...Increased threat of sneaker waves and enhanced surf up to 22 feet. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...Until 10 AM PDT Monday. . * 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. * ADDITIONAL DETAILS...A large long period NW swell will build this evening and peak overnight. Above normal breakers from 16 to 20 feet on west and northwest facing beaches will be possible this evening through early Monday morning.
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.
Weather Forecast
Average Temperature: 55.7°F
Average Humidity: 73%
Wind: 7.2 mph
UV Index: 0.9
Air Quality
Nitrogen Dioxide: 4.33 μg/m3
Sulphur Dioxide: 1.9 μg/m3
Ozone: 60.6 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 6:31 PM
Daylight: 10 hrs 56 mins
Moon Transit: 12:30 AM
Moonset: 5:59 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%
Best Times for Fishing or Hunting
Major Periods
7:34 PM - 10:04 PM12:00 AM - 2:30 PM
Minor Periods
5:29 PM - 6:59 PM6:23 AM - 7:53 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 63.9°F
Average Humidity: 33%
Wind: 5.6 mph
UV Index: 0.8
Air Quality
Nitrogen Dioxide: 9.49 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 50.28 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 6:30 PM
Daylight: 10 hrs 53 mins
Moon Transit: 1:11 PM
Moonset: 6:21 PM
Moon Phase: New
Moon Illumination: 1.2%
Best Times for Fishing or Hunting
Major Periods
8:17 PM - 10:47 PM12:41 AM - 3:11 PM
Minor Periods
5:51 PM - 7:21 PM7:24 AM - 8:54 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 56.7°F
Average Humidity: 61%
Wind: 7.2 mph
UV Index: 0.7
Air Quality
Nitrogen Dioxide: 7.14 μg/m3
Sulphur Dioxide: 1.61 μg/m3
Ozone: 64.64 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 6:29 PM
Daylight: 10 hrs 51 mins
Moon Transit: 1:55 PM
Moonset: 6:47 PM
Moon Phase: New
Moon Illumination: 0.0%
Best Times for Fishing or Hunting
Major Periods
9:01 PM - 11:31 PM1:25 PM - 3:55 PM
Minor Periods
6:17 PM - 7:47 PM8:27 AM - 9:57 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 53.1°F
Average Humidity: 72%
Wind: 5.8 mph
UV Index: 0.8
Air Quality
Nitrogen Dioxide: 5.19 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 58.2 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 6:27 PM
Daylight: 10 hrs 48 mins
Moon Transit: 2:41 PM
Moonset: 7:18 PM
Moon Phase: New
Moon Illumination: 1.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:11 PM - 4:41 PM
Minor Periods
6:48 PM - 8:18 PM9:30 AM - 11:00 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 53.6°F
Average Humidity: 65%
Wind: 11 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 5.03 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 62 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 6:26 PM
Daylight: 10 hrs 46 mins
Moon Transit: 3:30 PM
Moonset: 7:55 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM3:00 PM - 5:30 PM
Minor Periods
7:25 PM - 8:55 PM10:32 AM - 12:02 AM
Action Rating: 2 out of 5