Water Temperature of the Pacific Ocean Near Petrolia, CA

Current Water Temperature

54.1°F

Measurement Time: Saturday, April 18, 2026, 8:26 AM PDT

Temperature Locations

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Local Points of Interest

Cape Mendocino

Pacific Ocean

Station Name: Cape Mendocino, CA (094)
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet

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 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

51.1°F
Sunny
Sunny
51.6°F
61.6°F
83%
WNW 2.2 mph
2.6 mph
61.6°F
48.1°F
0 in
0%
9 mi
1017 mbar
4.9

Five Day Weather Forecast

Sunny
Sat
H: 69°F
L: 39°F
Overcast
Sun
H: 65°F
L: 44°F
Heavy rain
Mon
H: 54°F
L: 43°F
Heavy rain
Tue
H: 60°F
L: 43°F
Patchy rain nearby
Wed
H: 58°F
L: 39°F

Air Quality

AQI: 1 - Good
PM2.5: 6.95 μg/m3
PM10: 10.25 μg/m3
Carbon Monoxide: 161.85 μg/m3
Nitrogen Dioxide: 2.45 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 86 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:18 PM
Sunset: 8:01 PM
Daylight: 13 hrs 25 mins
Moonrise: 6:58 AM
Moon Transit: 2:28 PM
Moonset: 10:12 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:58 PM - 4:28 PM

Minor Periods

9:42 PM - 11:12 PM
6:28 AM - 7:58 AM

Action Rating: 4 out of 5

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

Sunny
68.5°F
38.8°F
52.8°F
77%
0 in
0%
0%
6.9 mph
7.2


Air Quality

AQI: 1 - Good
PM2.5: 6.38 μg/m3
PM10: 8.39 μg/m3
Carbon Monoxide: 171.53 μg/m3
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 64.52 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:18 PM
Sunset: 8:01 PM
Daylight: 13 hrs 25 mins
Moonrise: 6:58 AM
Moon Transit: 2:28 PM
Moonset: 10:12 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:58 PM - 4:28 PM

Minor Periods

9:42 PM - 11:12 PM
6:28 AM - 7:58 AM

Action Rating: 4 out of 5

Sunday, April 19, 2026

Weather Forecast

Overcast
65.3°F
44.1°F
53.4°F
51%
0 in
0%
0%
8.7 mph
5.1


Air Quality

AQI: 1 - Good
PM2.5: 6.77 μg/m3
PM10: 10.67 μg/m3
Carbon Monoxide: 162.97 μg/m3
Nitrogen Dioxide: 5.04 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 72.96 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:18 PM
Sunset: 8:02 PM
Daylight: 13 hrs 27 mins
Moonrise: 7:38 AM
Moon Transit: 3:29 PM
Moonset: 11:31 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
7:08 AM - 8:38 AM

Action Rating: 2 out of 5

Monday, April 20, 2026

Weather Forecast

Heavy rain
53.6°F
43.3°F
48.2°F
89%
1.01 in
79%
0%
7.8 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 3.33 μg/m3
PM10: 5.89 μg/m3
Carbon Monoxide: 139.65 μg/m3
Nitrogen Dioxide: 2.05 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 93.68 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:17 PM
Sunset: 8:03 PM
Daylight: 13 hrs 30 mins
Moonrise: 8:30 AM
Moon Transit: 4:34 PM
Moonset: 12:31 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:04 PM - 6:34 PM

Minor Periods

8:00 AM - 9:30 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Heavy rain
60°F
43.3°F
50.5°F
94%
1.11 in
84%
0%
8.1 mph
4.3


Air Quality

AQI: 1 - Good
PM2.5: 2.38 μg/m3
PM10: 3.12 μg/m3
Carbon Monoxide: 155.14 μg/m3
Nitrogen Dioxide: 3.91 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 69.44 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:17 PM
Sunset: 8:04 PM
Daylight: 13 hrs 32 mins
Moonrise: 9:31 AM
Moon Transit: 5:39 PM
Moonset: 12:43 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
5:09 PM - 7:39 PM

Minor Periods

9:01 AM - 10:31 AM
12:13 AM - 1:43 AM

Action Rating: 3 out of 5

Wednesday, April 22, 2026

Weather Forecast

Patchy rain nearby
58.1°F
38.5°F
48°F
88%
0.1 in
84%
0%
5.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.27 μg/m3
PM10: 2.84 μg/m3
Carbon Monoxide: 148.73 μg/m3
Nitrogen Dioxide: 2.33 μg/m3
Sulphur Dioxide: 1.01 μg/m3
Ozone: 84.38 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:17 PM
Sunset: 8:05 PM
Daylight: 13 hrs 35 mins
Moonrise: 10:42 AM
Moon Transit: 6:41 PM
Moonset: 1:43 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

12:50 AM - 3:20 AM
6:11 PM - 8:41 PM

Minor Periods

10:12 AM - 11:42 AM
1:13 AM - 2:43 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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