Station Name: EF RUSSIAN R NR CALPELLA CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 837 feet / 255 meters

Nearest Address:
4148 State Rte 20
Ukiah, CA 95482
Mendocino County

GPS Coordinates: 39.24655605, -123.1302806

Nearby Water Temperatures

Beach Hazards Statement issued November 30 at 6:33AM PST until December 2 at 8:00AM PST by NWS Eureka CA

Effective: Sun November 30, 2025, 6:33 AM
Expires: Sun November 30, 2025, 2:45 PM

* WHAT...Increased threat of sneaker waves expected. A very long period swell rapidly building Monday will have set behavior with 10 to 20 minutes or longer between the largest waves. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coasts. * WHEN...From Monday morning through Tuesday morning. . * 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...Large tidal swings will increase the threat when the tide is rapidly rising the 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.

Beach Hazards Statement issued November 30 at 1:57PM PST until December 2 at 8:00AM PST by NWS Eureka CA

Effective: Sun November 30, 2025, 1:57 PM
Expires: Sun November 30, 2025, 10:30 PM

* WHAT...Increased threat of sneaker waves expected. A very long period swell rapidly building Monday will have set behavior with 10 to 20 minutes or longer between the largest waves. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coasts. * WHEN...From Monday morning through Tuesday morning. * 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...Large tidal swings will increase the threat when the tide is rapidly rising the 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.

Beach Hazards Statement issued November 30 at 1:28AM PST until November 30 at 10:00PM PST by NWS San Francisco CA

Effective: Sun November 30, 2025, 1:28 AM
Expires: Sun November 30, 2025, 3:00 PM

* WHAT...Moderate period northwesterly swell will result in an increased risk for sneaker waves and rip currents. Breaking waves of 13 to 16 feet are expected. * WHERE...Pacific Coast beaches. * WHEN...Through 10 PM PST this evening. * IMPACTS...Sneaker waves can unexpectedly run significantly farther up the beach than normal, including over rocks and jetties. Rip currents are typically more frequent and stronger in the vicinity of jetties, inlets, and piers.

Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. Stay off the rocks and NEVER turn your back on the ocean!

Beach Hazards Statement issued November 30 at 12:17PM PST until December 2 at 10:00PM PST by NWS San Francisco CA

Effective: Sun November 30, 2025, 12:17 PM
Expires: Sun November 30, 2025, 10:00 PM

* WHAT...Long period westerly swell will result in an increased risk for sneaker waves and rip currents. Breaking waves 10 to 14 feet, with long lulls of 10 to 20 minutes or more between largest sets. * WHERE...Pacific Coast beaches. * WHEN...Through Tuesday evening. * IMPACTS...Sneaker waves can unexpectedly run significantly farther up the beach than normal, including over rocks and jetties. Rip currents are typically more frequent and stronger in the vicinity of jetties, inlets, and piers.

Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. Stay off the rocks and NEVER turn your back on the ocean!