TornadoLiveMap

San Anselmo Creek at Bridge Street — water level right now

Marin County, California · NWS gauge SBSC1
Loading the latest reading…
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current stage (ft)
 
13.3
minor flood stage
 
–
flood status
official NWS category
Official NOAA forecast → Full US flood map →

Flood stages at this gauge

Where the water stands right now against the four official thresholds:

action · 11.3
minor · 13.3
moderate · 16.3
major · 17.8
Flood stageLevel (ft)What it means
Major flood stage17.8extensive inundation and significant evacuations — a serious event
Moderate flood stage16.3some buildings and roads inundated; evacuations possible
Minor flood stage13.3low-lying roads and fields near the river start to flood
Action stage11.3water is approaching flood level — time to pay attention

Highest floods on record here

The National Weather Service has no historic crest list on file for this gauge.

Where this gauge is

The marker is this gauge; nearby gauges load live and are clickable.

Nearby river gauges

Corte Madera Creek at Ross 1 mi away · loading… Sleepy Hollow Creek at RVFD Fire Station 20 1 mi away · loading… Fairfax Creek at RVFD Station 21 2 mi away · loading… Arroyo Corte Madera del Presidio 6 mi away · loading… Coyote Creek (Marin) at Tam Valley 7 mi away · loading… Redwood Creek (Marin County) above Highway 1 Bridge at Muir Beac 8 mi away · loading…

Gauge details

NWS gauge IDSBSC1
CountyMarin
StateCalifornia
NWS forecast officeMonterey
River forecast centerCalifornia Nevada River Forecast Center
Coordinates37.977, -122.564
Time zonePST8PDT
Turn Around, Don't Drown. Six inches of moving water can knock you off your feet and twelve inches can float a car. Never drive around barricades or into water of unknown depth — most flood deaths happen in vehicles.

Questions about San Anselmo Creek at Bridge Street

Is San Anselmo Creek at Bridge Street flooding right now?

The live reading at the top of this page answers that: the gauge is compared against its official NWS flood stages every 15 minutes. Minor flooding at this gauge begins at 13.3 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for San Anselmo Creek at Bridge Street?

major flood stage 17.8 ft, moderate flood stage 16.3 ft, minor flood stage 13.3 ft, action stage 11.3 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

Where does this data come from?

From the NOAA National Water Prediction Service, the official U.S. river gauge network — a U.S. government work in the public domain. Live stage is refreshed every 15 minutes; flood thresholds and historic crests are refreshed monthly. For life-safety decisions follow NWS Monterey and local emergency management.