Station Name: ARROYO VALLE NR LIVERMORE CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 555 feet

Nearest Address:
5035–5069 Arroyo Rd
Livermore, CA 94550
Alameda County

GPS Coordinates: 37.62326509, -121.7588418

Nearby Water Temperatures

Cold Weather Advisory issued February 17 at 9:15PM PST until February 18 at 9:00AM PST by NWS San Francisco CA

Effective: Tue February 17, 2026, 9:15 PM
Expires: Wed February 18, 2026, 9:00 AM

* WHAT...Cold conditions with temperatures as low as 33 expected in the Santa Cruz Mountains. Cold conditions with temperatures as low as 34 expected in southern Santa Clara county and mid to upper 30s near San Jose. * WHERE...The Santa Cruz Mountains, and The Santa Clara Valley. * WHEN...Until 9 AM PST Wednesday. * IMPACTS...Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Prolonged exposure to the cold conditions will lead to hypothermia for people, pets, and livestock. Cold conditions may damage or kill sensitive crops, plants, and vegetation if appropriate precautions are not taken.

Ensure portable heaters are working properly and are used correctly to avoid sparking a fire indoors. Do not use generators or grills inside as carbon monoxide poisoning can result. Check with your local, city, or county officials for information on available warming centers. Be sure to dress in layers if outdoors. Make sure that pets and livestock have adequate food, unfrozen water, and warmth. Cover or tend to sensitive crops, plants, and vegetation.

Extreme Cold Warning issued February 17 at 9:15PM PST until February 18 at 9:00AM PST by NWS San Francisco CA

Effective: Tue February 17, 2026, 9:15 PM
Expires: Wed February 18, 2026, 9:00 AM

* WHAT...Very cold conditions with temperatures as low as 24 expected. * WHERE...Eastern Santa Clara Hills. * WHEN...Until 9 AM PST Wednesday. * IMPACTS...Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold conditions may damage or kill sensitive crops, plants, and vegetation if appropriate precautions are not taken. Prolonged exposure to the cold conditions will lead to hypothermia for people, pets, and livestock. * ADDITIONAL DETAILS...Hikers, outdoor enthusiasts will encounter dangerously cold conditions over the higher peaks.

Ensure portable heaters are working properly and are used correctly to avoid sparking a fire indoors. Do not use generators or grills inside as carbon monoxide poisoning can result. Check with your local, city, or county officials for information on available warming centers. Be sure to dress in layers if outdoors. Make sure that pets and livestock have adequate food, unfrozen water, and warmth. Cover or tend to sensitive crops, plants, and vegetation.

Winter Weather Advisory issued February 17 at 8:38PM PST until February 18 at 4:00PM PST by NWS San Francisco CA

Effective: Tue February 17, 2026, 8:38 PM
Expires: Wed February 18, 2026, 4:00 PM

...WINTER WEATHER ADVISORY THROUGH WEDNESDAY AFTERNOON... .Cold air will continue to move into the region today through Wednesday afternoon with accumulating snowfall expected across areas above 3000 feet in the Santa Lucia range and the mountains of San Benito and eastern Santa Clara Counties. Total snow accumulations range from 4 to 10 inches with the highest peaks reaching accumulations of 15 to 25 inches. If planning travel to the higher elevations of the Central Coast and eastern Santa Clara County, allow extra time to reach your destination safely. * WHAT...Accumulating snow for elevations above 3000 feet. Elevations below 3000 feet will see no accumulating snow to a dusting. Above 3000 feet total snow accumulations of 4 to 8 inches. * WHERE...Elevations above 3000 feet for the Santa Clara Hills. * WHEN...Until 4 PM PST Wednesday. * IMPACTS...Slick, snow-covered roads, like Hwy 130, and hiking trails. Hikers, outdoor enthusiasts may encounter dangerous winter conditions above the snow level. Heavier snow showers could produce limited visibilities. Downed trees and power outages possible. * ADDITIONAL DETAILS...Wind gusts 25 to 40 mph above 2000 feet. The combination of wind and snow will reduce visibilities.

High Surf Advisory issued February 17 at 5:34PM PST until February 20 at 9:00AM PST by NWS San Francisco CA

Effective: Tue February 17, 2026, 5:34 PM
Expires: Wed February 18, 2026, 1:45 AM

* WHAT...Large breaking waves of 18 to 22 feet, with continuing increased risk of sneaker waves and strong rip currents. * WHERE...Pacific Coast beaches. * WHEN...From 3 AM Wednesday to 9 AM PST Friday. * 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. Large breaking waves can overpower swimmers resulting in significant physical injury and increase the risk of drowning.

Swimmers should remain out of the water due to dangerous surf conditions. 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.

High Surf Advisory issued February 18 at 1:24AM PST until February 20 at 9:00AM PST by NWS San Francisco CA

Effective: Wed February 18, 2026, 1:24 AM
Expires: Wed February 18, 2026, 3:00 PM

* WHAT...Large breaking waves of 18 to 22 feet, with continuing increased risk of sneaker waves and strong rip currents. * WHERE...Pacific Coast beaches. * WHEN...Until 9 AM PST Friday. * 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. Large breaking waves can overpower swimmers resulting in significant physical injury and increase the risk of drowning.

Swimmers should remain out of the water due to dangerous surf conditions. 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.