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Guadalupe River (CA) above Almaden Expressway — water level right now

Santa Clara County, California · NWS gauge GUDC1
Loading the latest reading…
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current stage (ft)
 
10.5
minor flood stage
 
11.73
record crest
set 1995-01-09
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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 · 9
minor · 10.5
moderate · 11
major · 12
Flood stageLevel (ft)What it means
Major flood stage12extensive inundation and significant evacuations — a serious event
Moderate flood stage11some buildings and roads inundated; evacuations possible
Minor flood stage10.5low-lying roads and fields near the river start to flood
Action stage9water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
111.731995-01-09+1.23 above
210.51998-02-03+0 above
39.641995-03-100.86 below
49.152019-01-161.35 below
59.031983-01-241.47 below
69.012023-01-091.49 below
78.992023-01-141.51 below
88.632023-01-161.87 below
98.521986-02-191.98 below
108.521986-02-191.98 below
118.242002-12-162.26 below
128.151998-02-072.35 below

Historic crests recorded at this gauge by the National Weather Service — the 12 highest on file.

Where this gauge is

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

Nearby river gauges

Canoas Creek at Almaden Expressway 1 mi away · loading… Ross Creek at Cherry Avenue 1 mi away · loading… Los Gatos Creek at Lincoln Avenue 3 mi away · loading… Coyote Creek at E William Street 4 mi away · loading… Coyote Creek at Edenvale 5 mi away · loading… Los Gatos Creek at Lark Avenue 5 mi away · loading…

Gauge details

NWS gauge IDGUDC1
CountySanta Clara
StateCalifornia
NWS forecast officeMonterey
River forecast centerCalifornia Nevada River Forecast Center
Coordinates37.281, -121.88
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 Guadalupe River (CA) above Almaden Expressway

Is Guadalupe River (CA) above Almaden Expressway 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 10.5 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Guadalupe River (CA) above Almaden Expressway?

major flood stage 12 ft, moderate flood stage 11 ft, minor flood stage 10.5 ft, action stage 9 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at Guadalupe River (CA) above Almaden Expressway?

The highest crest on file at this gauge is 11.73 ft, reached on 1995-01-09 — that is 1.23 ft above minor flood stage. The full list of the highest crests is in the table on this page.

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.