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 10:01PM PST until December 2 at 8:00AM PST by NWS Eureka CA

Effective: Sun November 30, 2025, 10:01 PM
Expires: Mon December 1, 2025, 4:00 PM

* WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...From 8 AM PST Monday 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.

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 December 1 at 2:54PM PST until December 2 at 8:00AM PST by NWS Eureka CA

Effective: Mon December 1, 2025, 2:54 PM
Expires: Mon December 1, 2025, 11:00 PM

* WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...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.

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.

Coastal Flood Advisory issued November 30 at 10:05PM PST until December 7 at 3:00PM PST by NWS San Francisco CA

Effective: Sun November 30, 2025, 10:05 PM
Expires: Mon December 1, 2025, 7:00 PM

* WHAT...Up to 1.4 ft of inundation above ground level is possible in low lying areas near shorelines and tidal waterways. * WHERE...North Bay Interior Valleys and San Francisco Bay Shoreline Counties. * WHEN...From 6 AM Tuesday to 3 PM PST Sunday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge high tide is expected to be 0.8 ft above normal (6.66 ft MLLW) at 8:24 AM Tuesday, 1.2 ft above normal (7.00 ft MLLW) at 9:04 AM Wednesday, 1.4 ft above normal (7.20 ft MLLW) at 9:48 AM Thursday, 1.4 ft above normal (7.23 ft MLLW) at 10:35 AM Friday, 1.2 ft above normal (7.08 ft MLLW) at 11:25 AM Saturday, and 0.9 ft above normal (6.75 ft MLLW) at 12:17 PM Sunday. High tide timing varies up to 90 minutes earlier or later along the Pacific Coast and throughout the San Francisco Bay respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

Beach Hazards Statement issued November 30 at 10:05PM PST until December 3 at 10:00PM PST by NWS San Francisco CA

Effective: Sun November 30, 2025, 10:05 PM
Expires: Mon December 1, 2025, 7:00 PM

* WHAT...Long period westerly swell will result in an increased risk for sneaker waves and strong 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 Wednesday 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!