Station Name: SAN FRANCISCO BAY A RICHMOND-SAN RAFAEL BRIDGE CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
Richmond-San Rafael Bridge
San Rafael, CA 94801
Marin County

GPS Coordinates: 37.93527778, -122.4463889

Nearby Water Temperatures

Flood Watch issued December 23 at 11:39PM PST until December 26 at 10:00PM PST by NWS San Francisco CA

Effective: Tue December 23, 2025, 11:39 PM
Expires: Wed December 24, 2025, 3:00 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible from multiple lines of showers and thunderstorms, strong at times, moving across the area. * WHERE...San Francisco County, San Mateo Peninsula, East Bay, South Bay, and Central Coast * WHEN...Through Friday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Low water crossings may become flooded. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Numerous lines of showers and thunderstorms will move across the Bay Area and Central Coast through Friday evening. An additional 1-3" of rain is expected across the interior with locally higher totals between 3-5" across the Santa Cruz Mountains and up to 8" across the Santa Lucia Range. Flooding potential will increase with each successive round of rain. Sharp rises in smaller creeks and streams are expected with at least some potential for minor flooding in mainstream rivers. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

High Wind Warning issued December 24 at 7:31AM PST until December 25 at 10:00AM PST by NWS San Francisco CA

Effective: Wed December 24, 2025, 7:31 AM
Expires: Wed December 24, 2025, 5:45 PM

* WHAT...South winds 25 to 35 mph with gusts up to 65 mph expected. * WHERE...Monterey Bay and the Big Sur Coast, Interior Monterey County and the Santa Lucia Range, San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, and Northern Salinas Valley/Hollister Valley and Carmel Valley. * WHEN...From 8 PM this evening to 10 AM PST Thursday. * IMPACTS...Damaging winds could down trees, snap power lines, and result in property damage. Widespread power outages are possible. Travel could be extremely difficult and hazardous, especially for high profile vehicles. Strong winds may move loose debris, result in minor damage property, and cause sporadic power outages. Travel could become difficult, especially for high profile vehicles. The combination of wind and moist soils will increase the risk for downed trees.

People are urged to secure loose objects that could be blown around or damaged by the wind.

Beach Hazards Statement issued December 24 at 5:53AM PST until December 26 at 4:00AM PST by NWS San Francisco CA

Effective: Wed December 24, 2025, 5:53 AM
Expires: Wed December 24, 2025, 2:00 PM

* WHAT...Hazardously strong coastal winds and jets will lead to blowing and drifting sand, wind waves up to 20 ft, and result in poor visibility along coastal beaches. * WHERE...Beaches along the Pacific Coast. * WHEN...Through 4 AM Friday. * IMPACTS...Dangerous coastal and near coastal conditions. Water rescues may be affected by poor visibility from sea spray and blowing sand. Potential for increased erosion.

Dangerous conditions are forecast along the shoreline. It is recommended to avoid the coast during this time. Never turn your back to the ocean.

Flood Watch issued December 24 at 2:48PM PST until December 26 at 10:00PM PST by NWS San Francisco CA

Effective: Wed December 24, 2025, 2:48 PM
Expires: Wed December 24, 2025, 11:00 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible from multiple lines of showers and thunderstorms, strong at times, moving across the area. * WHERE...San Francisco County, San Mateo Peninsula, East Bay, South Bay, and Central Coast * WHEN...Through Friday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Low water crossings may become flooded. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Numerous lines of showers and thunderstorms will move across the Bay Area and Central Coast through Friday evening. An additional 1-2" of rain is expected across the interior with locally higher totals between 2-3" across the Santa Cruz Mountains and up to 3" across the Santa Lucia Range. Flooding potential will increase with each successive round of rain. Sharp rises in smaller creeks and streams are expected with at least some potential for minor flooding in mainstream rivers. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Beach Hazards Statement issued December 24 at 1:42PM PST until December 26 at 4:00AM PST by NWS San Francisco CA

Effective: Wed December 24, 2025, 1:42 PM
Expires: Wed December 24, 2025, 9:45 PM

* WHAT...Hazardously strong coastal winds and jets will lead to blowing and drifting sand, wind waves up to 20 ft, and result in poor visibility along coastal beaches. * WHERE...Beaches along the Pacific Coast. * WHEN...Through late Thursday night. * IMPACTS...Dangerous coastal and near coastal conditions. Water rescues may be affected by poor visibility from sea spray and blowing sand. Potential for increased erosion.

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!

Flood Watch issued December 23 at 11:39PM PST until December 26 at 10:00PM PST by NWS San Francisco CA

Effective: Tue December 23, 2025, 11:39 PM
Expires: Wed December 24, 2025, 3:00 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible from multiple lines of showers and thunderstorms, strong at times, moving across the area. * WHERE...The Northern San Francisco Bay Area (Napa, Sonoma, and Marin counties). * WHEN...Through Friday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Low water crossings may become flooded. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Multiple rounds of moderate to heavy rainfall are expected across the North Bay through Friday evening. An additional 3-5" is possible over the North Bay Mountains and 2-3" over the North Bay Valleys by Friday. Nuisance flooding will increase throughout the week with sharp rises in smaller creeks and minor flooding along some of the mainstream rivers (Russian River, Napa River). Debris flows are possible particularly for the Pickett Burn Scar. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Wind Advisory issued December 24 at 7:31AM PST until December 25 at 10:00AM PST by NWS San Francisco CA

Effective: Wed December 24, 2025, 7:31 AM
Expires: Wed December 24, 2025, 5:45 PM

* WHAT...South winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...The East Bay and San Francisco Bay Shoreline, The Santa Clara Valley and Eastern Hills, The Marin Hills, The Santa Cruz Mountains, Most of San Benito County and the Cholame Hills in Southeast Monterey County, North Bay Interior Mountains, North Bay Interior Valleys, and Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...From 8 PM this evening to 10 AM PST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Strong winds may move loose debris, result in minor damage property, and cause sporadic power outages. Travel could become difficult, especially for high profile vehicles. The combination of wind and moist soils will increase the risk for downed trees.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

Flood Watch issued December 24 at 2:48PM PST until December 26 at 10:00PM PST by NWS San Francisco CA

Effective: Wed December 24, 2025, 2:48 PM
Expires: Wed December 24, 2025, 11:00 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible from multiple lines of showers and thunderstorms, strong at times, moving across the area. * WHERE...The Northern San Francisco Bay Area (Napa, Sonoma, and Marin counties). * WHEN...Through Friday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Low water crossings may become flooded. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Multiple rounds of moderate to heavy rainfall are expected across the North Bay through Friday evening. An additional 2-4" is possible over the North Bay Mountains and 1-3" over the North Bay Valleys by Friday. Nuisance flooding will increase through Friday with rises in smaller creeks and minor flooding along some of the mainstream rivers (Russian River, Napa River). Debris flows are possible particularly for the Pickett Burn Scar. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

High Wind Warning issued December 24 at 9:24AM PST until December 25 at 4:00PM PST by NWS Sacramento CA

Effective: Wed December 24, 2025, 9:24 AM
Expires: Thu December 25, 2025, 4:00 PM

* WHAT...South winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Carquinez Strait and Delta, Sacramento Valley, Motherlode, Northeast Foothills, and Northern San Joaquin Valley. * WHEN...Until 4 PM PST Thursday. * IMPACTS...Strong winds and saturated soils could blow down trees and power lines resulting in widespread power outages. Strong winds will cause impacts to loose and unsecured items, including temporary structures and holiday decorations. Difficult travel conditions are expected, especially for high profile vehicles. * ADDITIONAL DETAILS...Lull in activity through today, with strong wind gusts expected tonight into Thursday.

Watch for falling debris and tree limbs. Use caution if you must drive. Take time now to prepare for potential power outages.

Flood Watch issued December 23 at 11:34AM PST until December 26 at 4:00PM PST by NWS Sacramento CA

Effective: Tue December 23, 2025, 11:34 AM
Expires: Wed December 24, 2025, 4:00 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of northern California, including the following areas, the Sacramento Valley, northern San Joaquin Valley, Delta region, Sierra Nevada and adjacent foothills, and Coastal Range. * WHEN...Through Friday afternoon. * IMPACTS...Excessive runoff will result in rises along area rivers, creeks, streams. Small streams and creeks may rise out of their banks. Flooding may occur in low-lying, poor drainage, and urban areas. Mudslides and rockslides may occur in mountain and foothill areas. * ADDITIONAL DETAILS... - Periods of moderate to heavy rain are forecast the week of Christmas. Debris flows are not expected over recent burn scars in northern California, but do anticipate enhanced runoff in/below scars. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Special Weather Statement issued December 24 at 4:03PM PST by NWS Sacramento CA

Effective: Wed December 24, 2025, 4:03 PM
Expires: Wed December 24, 2025, 4:45 PM

At 403 PM PST, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from near Newcastle to La Riviera. Movement was north at 35 mph. HAZARD...Winds in excess of 30 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Sacramento, Roseville, Citrus Heights, Rocklin, Auburn, Fair Oaks, Carmichael, Rancho Cordova, Lincoln, Loomis, La Riviera, Newcastle, Foothill Farms, Granite Bay, North Highlands, Antelope, Orangevale, Rosemont, Gold River, and Rio Linda.

If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with these storms and may lead to localized flooding. Do not drive your vehicle through flooded roadways.

Special Weather Statement issued December 24 at 3:55PM PST by NWS Sacramento CA

Effective: Wed December 24, 2025, 3:55 PM
Expires: Wed December 24, 2025, 4:45 PM

At 354 PM PST, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from near Pleasant Grove to near Freeport. Movement was north at 40 mph. HAZARD...Winds in excess of 30 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Sacramento, Elk Grove, Davis, West Sacramento, Paintersville, Franklin, Laguna, La Riviera, Rosemont, Laguna West-Lakeside, Elverta, Arco Arena, Rio Linda, Vineyard, Florin, Freeport, Parkway-South Sacramento, North Highlands, Raley Field, and El Macero.

If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with these storms and may lead to localized flooding. Do not drive your vehicle through flooded roadways.

Flood Watch issued December 24 at 1:19PM PST until December 26 at 4:00PM PST by NWS Sacramento CA

Effective: Wed December 24, 2025, 1:19 PM
Expires: Thu December 25, 2025, 4:00 PM

A series of warm atmospheric rivers will bring moderate to heavy rain to the Valley, foothills, and mountains the week of Christmas. The prolonged period of rain will bring the risk of flooding to the Sacramento Valley, northern San Joaquin Valley, northern Sierra Nevada and adjacent foothills, as well as the Coastal Range. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of northern California, including the following areas, Carquinez Strait and Delta, Sacramento Valley, Motherlode, Mountains Southwestern Shasta County to Western Colusa County, Northeast Foothills, Northern San Joaquin Valley, and Shasta Lake Area / Northern Shasta County . * WHEN...Through Friday afternoon. * IMPACTS...Excessive runoff will result in rises along area rivers, creeks, streams. Small streams and creeks may rise out of their banks. Flooding may occur in low-lying, poor drainage, and urban areas. Mudslides and rockslides may occur in mountain and foothill areas. * ADDITIONAL DETAILS... - Periods of moderate to heavy rain are forecast the week of Christmas. Debris flows are not expected over recent burn scars in northern California, but do anticipate enhanced runoff in/below scars. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.