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Hydrograph River at a Glance Download
Canoas Creek at Almaden Expressway Stage (ft)Flow (kcfs)SCVWD-Santa Clara Valley Water DistrictCAOC1(plotting HGIRR) Graph Created (11:00PM Oct 27, 2021)Flood Stage is 13.5 ft
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Datum: Not Available
NOTE: Graphical forecasts are not available for the Canoas Creek at Almaden Expressway. During times of high water, forecast crest information can be found in the text products.
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Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 15
Flood Stage: 13.5
Action Stage: 9.5
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:16
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Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
17 Major Flooding: Disasterous flooding traveling northward from Canoas Creek overbanking. CA-87 flooded under Almaden Expressway. Almaden Terrace Apartments, Guadalupe Almaden Neighborhood, and Northern Cross Neighborhood inundated. Water may cross east of CalTrain Railroad Tracks and continue through the industrial and commercial area bounded by Curtner/Tully and Barnard Avenue towards Monterey Road. If flooding is sustained, floodwaters will flow further north along 1st street, flooding surrounding neighbor
16 Major Flooding: Entire Garden Neighborhood is inundated. Mill Pond Neighborhood is inundated. Area west of CA-87, South of Curtner and East of Almaden flooding. Water travelling north of Curtner.
15 Moderate Flooding: Significant flooding in the Canoas Garden Neighborhood. Homes to the south of Canoas Creek along Nightingale are inundated. Water flows north along streets towards Curtner and Almaden Expressway. Mill Pond at risk.
13.5 Minor Flooding: Overtopping occurs upstream of Nightingale Drive behind private residences and upstream of the culvert. Waters flow along streets to the north and south.
9.5 Action Stage: Calero Avenue and Blossom Hill Road possible weak points for debris and street flooding. Creek can be heavily influenced by Guadalupe River when flow is above 2000 cfs (7'-7.5' stage at Almaden Expressway) causing backwater conditions.
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Latitude: 37.288500° N, Longitude: 121.881200° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 13.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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San Francisco Bay Area Weather Forecast Office
21 Grace Hopper Ave, Stop 5
Monterey, CA 93943-5505
(831) 656-1725
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Page last modified: 2-Nov-2020 7:27 PM
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