Station Name: SAN FRANCISCO - 18NM West of San Francisco, CA
Station Type: Other
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet / 0 meters

Nearest Address:
Offshore
San Francisco, CA 94121
San Francisco County

GPS Coordinates: 37.754, -122.839

Nearby Water Temperatures

Flood Watch issued December 21 at 1:50PM PST until December 22 at 4:00PM PST by NWS San Francisco CA

Effective: Sun December 21, 2025, 1:50 PM
Expires: Sun December 21, 2025, 10:00 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Northern San Francisco Bay Area (Napa, Sonoma, and Marin counties). * WHEN...Through Monday afternoon. * 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 crossing may become flooded. Standing water is likely in urban areas. * ADDITIONAL DETAILS... - Moderate to heavy rain associated with an atmospheric river will impact the region. 2-3" of rain is expected in the valleys during the watch period, with up to 6" in the coastal mountains. Area rivers, streams, and creeks that are prone to flooding could see rapid rises during and after heavy rainfall. There is a slight chance for flash flooding, particularly in urban areas Sunday and Monday. 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.

Flood Watch issued December 21 at 9:35PM PST until December 22 at 4:00PM PST by NWS San Francisco CA

Effective: Sun December 21, 2025, 9:35 PM
Expires: Mon December 22, 2025, 5:45 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Northern San Francisco Bay Area (Napa, Sonoma, and Marin counties). * WHEN...Through Monday afternoon. * 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 crossing may become flooded. Standing water is likely in urban areas. * ADDITIONAL DETAILS... - Moderate to heavy rain associated with an atmospheric river will impact the region. An additional 0.25-1.0" of rain is expected in the valleys during the watch period, with up to 1.25" in the coastal mountains. Area rivers, streams, and creeks that are prone to flooding could see rapid rises during and after heavy rainfall. There is a slight chance for flash flooding, particularly in urban areas through Monday afternoon. 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 Watch issued December 21 at 8:49PM PST until December 24 at 4:00AM PST by NWS San Francisco CA

Effective: Sun December 21, 2025, 8:49 PM
Expires: Mon December 22, 2025, 5:00 AM

* WHAT...South winds 20 to 30 mph with gusts up to 60 mph possible. * WHERE...The Bay Area, The Central Coast, The Santa Clara Valley and Eastern Hills, The Salinas and Carmel Valleys and Hollister Area, The Santa Cruz Mountains, and San Francisco Peninsula Coast. * WHEN...From Tuesday evening through early Wednesday morning. * 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. The combination of wind and moist soils will increase the risk for downed trees.

Monitor the latest forecasts and warnings for updates. Secure loose outdoor objects that could be blown around or damaged by the wind.