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

Elevation Above Sea Level: 535 feet

Nearest Address:
10585 Old River Rd
Hopland, CA 95449
Mendocino County

GPS Coordinates: 39.02656314, -123.1305588

Nearby Water Temperatures

Heat Advisory issued June 11 at 2:36PM PDT until June 12 at 10:00PM PDT by NWS Eureka CA

Effective: Thu June 11, 2026, 2:36 PM
Expires: Thu June 11, 2026, 10:45 PM

* WHAT...High temperatures of 96 to 105 expected for most valley locations. Moderate to Major HeatRisk expected. * WHERE...Lake County, and Southeastern Interior Mendocino. * WHEN...Until 10 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses especially for those without cooling or hydration.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Heat Advisory issued June 11 at 10:21PM PDT until June 12 at 10:00PM PDT by NWS Eureka CA

Effective: Thu June 11, 2026, 10:21 PM
Expires: Fri June 12, 2026, 7:00 AM

* WHAT...High temperatures of 96 to 105 expected for most valley locations. Moderate to Major HeatRisk expected. * WHERE...Lake County, and Southeastern Interior Mendocino. * WHEN...Until 10 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses especially for those without cooling or hydration.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Heat Advisory issued June 11 at 11:16AM PDT until June 11 at 11:00PM PDT by NWS San Francisco CA

Effective: Thu June 11, 2026, 11:16 AM
Expires: Thu June 11, 2026, 7:30 PM

* WHAT...High temperatures between 90 and 103 for interior valleys and higher elevations. High temperatures between 85 and 96 degrees for the Bay Shoreline. * WHERE...North Bay Interior Mountains, North Bay Interior Valleys, San Francisco Bay Shoreline, and Sonoma Coastal Range. * WHEN...From noon to 11 PM PDT Thursday. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries.

Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

Beach Hazards Statement issued June 11 at 3:35PM PDT until June 11 at 9:00PM PDT by NWS San Francisco CA

Effective: Thu June 11, 2026, 3:35 PM
Expires: Thu June 11, 2026, 9:00 PM

* WHAT...Increased risk of sneaker waves and strong rip currents due to long period southerly swell. * WHERE...Pacific Coast beaches, especially south and southwest facing beaches, across Sonoma, Marin, San Mateo, and Santa Cruz Counties. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion can be expected. Sneaker waves can sweep across the shoreline without warning, pulling people into the sea from rocks, jetties and beaches.

Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.

Coastal Flood Advisory issued June 11 at 3:35PM PDT until June 17 at 3:00AM PDT by NWS San Francisco CA

Effective: Thu June 11, 2026, 3:35 PM
Expires: Thu June 11, 2026, 9:00 PM

* WHAT...Up to 1.9 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Bayshore regions of the North Bay along the San Pablo and San Francisco Bays. * WHEN...Until 3 AM PDT Wednesday. * 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 1.3 ft above normal (7.1 ft MLLW) at 8:51 PM on Thursday the 11th, 1.6 ft above normal (7.5 ft MLLW) at 9:34 PM on Friday the 12th, 1.8 ft above normal (7.7 ft MLLW) at 10:20 PM on Saturday the 13th, 1.9 ft above normal (7.8 ft MLLW) at 11:10 PM on Sunday the 14th, 1.7 ft above normal (7.5 ft MLLW) at 12:02 AM on Tuesday the 16th, and 1.5 ft above normal (7.3 ft MLLW) at 12:56 AM on Wednesday the 17th. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through 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.