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Hydrograph River at a Glance Download
Saco River near Conway Stage (ft)Flow (kcfs)Observed: 4 ft at 1:00PM May 14, 2022Observed: 3.99 ft at 1:15PM May 14, 2022Observed: 3.99 ft at 1:30PM May 14, 2022Observed: 3.98 ft at 1:45PM May 14, 2022Observed: 3.99 ft at 2:00PM May 14, 2022Observed: 3.98 ft at 2:15PM May 14, 2022Observed: 3.98 ft at 2:30PM May 14, 2022Observed: 3.98 ft at 2:45PM May 14, 2022Observed: 3.98 ft at 3:00PM May 14, 2022Observed: 3.97 ft at 3:15PM May 14, 2022Observed: 3.97 ft at 3:30PM May 14, 2022Observed: 3.98 ft at 3:45PM May 14, 2022Observed: 3.98 ft at 4:00PM May 14, 2022Observed: 3.98 ft at 4:15PM May 14, 2022Observed: 3.98 ft at 4:30PM May 14, 2022Observed: 3.97 ft at 4:45PM May 14, 2022Observed: 3.98 ft at 5:00PM May 14, 2022Observed: 3.97 ft at 5:15PM May 14, 2022Observed: 3.97 ft at 5:30PM May 14, 2022Observed: 3.97 ft at 5:45PM May 14, 2022Observed: 3.97 ft at 6:00PM May 14, 2022Observed: 3.97 ft at 6:15PM May 14, 2022Observed: 3.96 ft at 6:30PM May 14, 2022Observed: 3.96 ft at 6:45PM May 14, 2022Observed: 3.96 ft at 7:00PM May 14, 2022Observed: 3.96 ft at 7:15PM May 14, 2022Observed: 3.96 ft at 7:30PM May 14, 2022Observed: 3.96 ft at 7:45PM May 14, 2022Observed: 3.96 ft at 8:00PM May 14, 2022Observed: 3.97 ft at 8:15PM May 14, 2022Observed: 3.97 ft at 8:30PM May 14, 2022Observed: 3.98 ft at 8:45PM May 14, 2022Observed: 3.98 ft at 9:00PM May 14, 2022Observed: 3.99 ft at 9:15PM May 14, 2022Observed: 4 ft at 9:30PM May 14, 2022Observed: 4 ft at 9:45PM May 14, 2022Observed: 4.01 ft at 10:00PM May 14, 2022Observed: 4.02 ft at 10:15PM May 14, 2022Observed: 4.03 ft at 10:30PM May 14, 2022Observed: 4.04 ft at 10:45PM May 14, 2022Observed: 4.05 ft at 11:00PM May 14, 2022Observed: 4.06 ft at 11:15PM May 14, 2022Observed: 4.08 ft at 11:30PM May 14, 2022Observed: 4.09 ft at 11:45PM May 14, 2022Observed: 4.1 ft at 12:00AM May 15, 2022Observed: 4.11 ft at 12:15AM May 15, 2022Observed: 4.13 ft at 12:30AM May 15, 2022Observed: 4.14 ft at 12:45AM May 15, 2022Observed: 4.16 ft at 1:00AM May 15, 2022Observed: 4.18 ft at 1:15AM May 15, 2022Observed: 4.2 ft at 1:30AM May 15, 2022Observed: 4.22 ft at 1:45AM May 15, 2022Observed: 4.25 ft at 2:00AM May 15, 2022Observed: 4.27 ft at 2:15AM May 15, 2022Observed: 4.3 ft at 2:30AM May 15, 2022Observed: 4.32 ft at 2:45AM May 15, 2022Observed: 4.35 ft at 3:00AM May 15, 2022Observed: 4.38 ft at 3:15AM May 15, 2022Observed: 4.41 ft at 3:30AM May 15, 2022Observed: 4.43 ft at 3:45AM May 15, 2022Observed: 4.46 ft at 4:00AM May 15, 2022Observed: 4.48 ft at 4:15AM May 15, 2022Observed: 4.5 ft at 4:30AM May 15, 2022Observed: 4.51 ft at 4:45AM May 15, 2022Observed: 4.52 ft at 5:00AM May 15, 2022Observed: 4.53 ft at 5:15AM May 15, 2022Observed: 4.53 ft at 5:30AM May 15, 2022Observed: 4.53 ft at 5:45AM May 15, 2022Observed: 4.53 ft at 6:00AM May 15, 2022Observed: 4.53 ft at 6:15AM May 15, 2022Observed: 4.52 ft at 6:30AM May 15, 2022Observed: 4.52 ft at 6:45AM May 15, 2022Observed: 4.51 ft at 7:00AM May 15, 2022Observed: 4.5 ft at 7:15AM May 15, 2022Observed: 4.49 ft at 7:30AM May 15, 2022Observed: 4.48 ft at 7:45AM May 15, 2022Observed: 4.47 ft at 8:00AM May 15, 2022Observed: 4.46 ft at 8:15AM May 15, 2022Observed: 4.45 ft at 8:30AM May 15, 2022Observed: 4.44 ft at 8:45AM May 15, 2022Observed: 4.43 ft at 9:00AM May 15, 2022Observed: 4.42 ft at 9:15AM May 15, 2022Observed: 4.41 ft at 9:30AM May 15, 2022Observed: 4.4 ft at 9:45AM May 15, 2022Observed: 4.39 ft at 10:00AM May 15, 2022Observed: 4.38 ft at 10:15AM May 15, 2022Observed: 4.36 ft at 10:30AM May 15, 2022Observed: 4.35 ft at 10:45AM May 15, 2022Observed: 4.35 ft at 11:00AM May 15, 2022Observed: 4.34 ft at 11:15AM May 15, 2022Observed: 4.33 ft at 11:30AM May 15, 2022Observed: 4.32 ft at 11:45AM May 15, 2022Observed: 4.31 ft at 12:00PM May 15, 2022Observed: 4.3 ft at 12:15PM May 15, 2022Observed: 4.3 ft at 12:30PM May 15, 2022Observed: 4.29 ft at 12:45PM May 15, 2022Observed: 4.28 ft at 1:00PM May 15, 2022Observed: 4.27 ft at 1:15PM May 15, 2022Observed: 4.27 ft at 1:30PM May 15, 2022Observed: 4.26 ft at 1:45PM May 15, 2022Observed: 4.25 ft at 2:00PM May 15, 2022Observed: 4.25 ft at 2:15PM May 15, 2022Observed: 4.24 ft at 2:30PM May 15, 2022Observed: 4.24 ft at 2:45PM May 15, 2022Observed: 4.24 ft at 3:00PM May 15, 2022Observed: 4.24 ft at 3:15PM May 15, 2022Observed: 4.23 ft at 3:30PM May 15, 2022Observed: 4.22 ft at 3:45PM May 15, 2022Observed: 4.21 ft at 4:00PM May 15, 2022Observed: 4.2 ft at 4:15PM May 15, 2022Observed: 4.2 ft at 4:30PM May 15, 2022Observed: 4.19 ft at 4:45PM May 15, 2022Observed: 4.19 ft at 5:00PM May 15, 2022Observed: 4.21 ft at 5:15PM May 15, 2022Observed: 4.27 ft at 5:30PM May 15, 2022Observed: 4.32 ft at 5:45PM May 15, 2022Observed: 4.35 ft at 6:00PM May 15, 2022Observed: 4.36 ft at 6:15PM May 15, 2022Observed: 4.35 ft at 6:30PM May 15, 2022Observed: 4.35 ft at 6:45PM May 15, 2022Observed: 4.34 ft at 7:00PM May 15, 2022Observed: 4.33 ft at 7:15PM May 15, 2022Observed: 4.33 ft at 7:30PM May 15, 2022Observed: 4.32 ft at 7:45PM May 15, 2022Observed: 4.31 ft at 8:00PM May 15, 2022Observed: 4.31 ft at 8:15PM May 15, 2022Observed: 4.3 ft at 8:30PM May 15, 2022Observed: 4.29 ft at 8:45PM May 15, 2022Observed: 4.29 ft at 9:00PM May 15, 2022Observed: 4.28 ft at 9:15PM May 15, 2022Observed: 4.28 ft at 9:30PM May 15, 2022Observed: 4.27 ft at 9:45PM May 15, 2022Observed: 4.27 ft at 10:00PM May 15, 2022Observed: 4.27 ft at 10:15PM May 15, 2022Observed: 4.26 ft at 10:30PM May 15, 2022Observed: 4.26 ft at 10:45PM May 15, 2022Observed: 4.26 ft at 11:00PM May 15, 2022Observed: 4.26 ft at 11:15PM May 15, 2022Observed: 4.26 ft at 11:30PM May 15, 2022Observed: 4.26 ft at 11:45PM May 15, 2022Observed: 4.27 ft at 12:00AM May 16, 2022Observed: 4.28 ft at 12:15AM May 16, 2022Observed: 4.31 ft at 12:30AM May 16, 2022Observed: 4.35 ft at 12:45AM May 16, 2022Observed: 4.41 ft at 1:00AM May 16, 2022Observed: 4.49 ft at 1:15AM May 16, 2022Observed: 4.58 ft at 1:30AM May 16, 2022Observed: 4.66 ft at 1:45AM May 16, 2022Observed: 4.74 ft at 2:00AM May 16, 2022Observed: 4.81 ft at 2:15AM May 16, 2022Observed: 4.87 ft at 2:30AM May 16, 2022Observed: 4.91 ft at 2:45AM May 16, 2022Observed: 4.95 ft at 3:00AM May 16, 2022Observed: 4.97 ft at 3:15AM May 16, 2022Observed: 4.98 ft at 3:30AM May 16, 2022Observed: 4.99 ft at 3:45AM May 16, 2022Observed: 4.99 ft at 4:00AM May 16, 2022Observed: 4.99 ft at 4:15AM May 16, 2022Observed: 4.99 ft at 4:30AM May 16, 2022Observed: 4.98 ft at 4:45AM May 16, 2022Observed: 4.97 ft at 5:00AM May 16, 2022Observed: 4.95 ft at 5:15AM May 16, 2022Observed: 4.93 ft at 5:30AM May 16, 2022Observed: 4.93 ft at 5:45AM May 16, 2022Observed: 4.91 ft at 6:00AM May 16, 2022Observed: 4.89 ft at 6:15AM May 16, 2022Observed: 4.87 ft at 6:30AM May 16, 2022Observed: 4.86 ft at 6:45AM May 16, 2022Observed: 4.84 ft at 7:00AM May 16, 2022Observed: 4.82 ft at 7:15AM May 16, 2022Observed: 4.8 ft at 7:30AM May 16, 2022Observed: 4.78 ft at 7:45AM May 16, 2022Observed: 4.77 ft at 8:00AM May 16, 2022Observed: 4.76 ft at 8:15AM May 16, 2022Observed: 4.73 ft at 8:30AM May 16, 2022Observed: 4.72 ft at 8:45AM May 16, 2022Observed: 4.7 ft at 9:00AM May 16, 2022Observed: 4.69 ft at 9:15AM May 16, 2022Observed: 4.67 ft at 9:30AM May 16, 2022Observed: 4.66 ft at 9:45AM May 16, 2022Observed: 4.59 ft at 11:00AM May 16, 2022Observed: 4.58 ft at 11:15AM May 16, 2022Observed: 4.57 ft at 11:30AM May 16, 2022Observed: 4.55 ft at 11:45AM May 16, 2022Observed: 4.54 ft at 12:00PM May 16, 2022Observed: 4.53 ft at 12:15PM May 16, 2022Observed: 4.52 ft at 12:30PM May 16, 2022Observed: 4.52 ft at 12:45PM May 16, 2022Observed: 4.51 ft at 1:00PM May 16, 2022Observed: 4.51 ft at 1:15PM May 16, 2022Observed: 4.5 ft at 1:30PM May 16, 2022Observed: 4.5 ft at 1:45PM May 16, 2022Observed: 4.49 ft at 2:00PM May 16, 2022Observed: 4.49 ft at 2:15PM May 16, 2022Observed: 4.48 ft at 2:30PM May 16, 2022Observed: 4.47 ft at 2:45PM May 16, 2022Observed: 4.47 ft at 3:00PM May 16, 2022Observed: 4.45 ft at 3:15PM May 16, 2022Observed: 4.44 ft at 3:30PM May 16, 2022Observed: 4.44 ft at 3:45PM May 16, 2022Observed: 4.43 ft at 4:00PM May 16, 2022Observed: 4.42 ft at 4:15PM May 16, 2022Observed: 4.41 ft at 4:30PM May 16, 2022Observed: 4.4 ft at 4:45PM May 16, 2022Observed: 4.4 ft at 5:00PM May 16, 2022Observed: 4.39 ft at 5:15PM May 16, 2022Observed: 4.38 ft at 5:30PM May 16, 2022Observed: 4.37 ft at 5:45PM May 16, 2022Observed: 4.37 ft at 6:00PM May 16, 2022Observed: 4.36 ft at 6:15PM May 16, 2022Observed: 4.35 ft at 6:30PM May 16, 2022Observed: 4.34 ft at 6:45PM May 16, 2022Observed: 4.34 ft at 7:00PM May 16, 2022Observed: 4.33 ft at 7:15PM May 16, 2022Observed: 4.32 ft at 7:30PM May 16, 2022Observed: 4.32 ft at 7:45PM May 16, 2022Observed: 4.31 ft at 8:00PM May 16, 2022Observed: 4.31 ft at 8:15PM May 16, 2022Observed: 4.31 ft at 8:30PM May 16, 2022Observed: 4.31 ft at 8:45PM May 16, 2022Observed: 4.31 ft at 9:00PM May 16, 2022Observed: 4.31 ft at 9:15PM May 16, 2022Observed: 4.31 ft at 9:30PM May 16, 2022Observed: 4.31 ft at 9:45PM May 16, 2022Observed: 4.31 ft at 10:00PM May 16, 2022Observed: 4.31 ft at 10:15PM May 16, 2022Observed: 4.3 ft at 10:30PM May 16, 2022Observed: 4.31 ft at 10:45PM May 16, 2022Observed: 4.31 ft at 11:00PM May 16, 2022Observed: 4.31 ft at 11:15PM May 16, 2022Observed: 4.31 ft at 11:30PM May 16, 2022Observed: 4.31 ft at 11:45PM May 16, 2022Observed: 4.31 ft at 12:00AM May 17, 2022Observed: 4.32 ft at 12:15AM May 17, 2022Observed: 4.32 ft at 12:30AM May 17, 2022Observed: 4.32 ft at 12:45AM May 17, 2022Observed: 4.33 ft at 1:00AM May 17, 2022Observed: 4.33 ft at 1:15AM May 17, 2022Observed: 4.34 ft at 1:30AM May 17, 2022Observed: 4.35 ft at 1:45AM May 17, 2022Observed: 4.36 ft at 2:00AM May 17, 2022Observed: 4.37 ft at 2:15AM May 17, 2022Observed: 4.4 ft at 2:30AM May 17, 2022Observed: 4.45 ft at 2:45AM May 17, 2022Observed: 4.56 ft at 3:00AM May 17, 2022Observed: 4.75 ft at 3:15AM May 17, 2022Observed: 5.04 ft at 3:30AM May 17, 2022Observed: 5.41 ft at 3:45AM May 17, 2022Observed: 5.76 ft at 4:00AM May 17, 2022Observed: 6.02 ft at 4:15AM May 17, 2022Observed: 6.22 ft at 4:30AM May 17, 2022Observed: 6.36 ft at 4:45AM May 17, 2022Observed: 6.47 ft at 5:00AM May 17, 2022Observed: 6.54 ft at 5:15AM May 17, 2022Observed: 6.59 ft at 5:30AM May 17, 2022Observed: 6.61 ft at 5:45AM May 17, 2022Highest Observation: 6.63 ft at 6:00AM May 17, 2022Highest Observation: 6.63 ft at 6:15AM May 17, 2022Observed: 6.62 ft at 6:30AM May 17, 2022Observed: 6.61 ft at 6:45AM May 17, 2022Observed: 6.6 ft at 7:00AM May 17, 2022Observed: 6.56 ft at 7:15AM May 17, 2022Observed: 6.53 ft at 7:30AM May 17, 2022Observed: 6.5 ft at 7:45AM May 17, 2022Observed: 6.46 ft at 8:00AM May 17, 2022Observed: 6.41 ft at 8:15AM May 17, 2022Observed: 6.37 ft at 8:30AM May 17, 2022Observed: 6.34 ft at 8:45AM May 17, 2022Observed: 6.3 ft at 9:00AM May 17, 2022Observed: 6.26 ft at 9:15AM May 17, 2022Observed: 6.2 ft at 9:30AM May 17, 2022Observed: 6.17 ft at 9:45AM May 17, 2022Observed: 6.12 ft at 10:00AM May 17, 2022Observed: 6.08 ft at 10:15AM May 17, 2022Observed: 6.05 ft at 10:30AM May 17, 2022Observed: 6 ft at 10:45AM May 17, 2022Observed: 5.96 ft at 11:00AM May 17, 2022Observed: 5.93 ft at 11:15AM May 17, 2022Observed: 5.88 ft at 11:30AM May 17, 2022Observed: 5.85 ft at 11:45AM May 17, 2022Highest Forecast: 5.8 ft 2:00PM May 17, 2022Forecast: 5.2 ft 8:00PM May 17, 2022Forecast: 4.9 ft 2:00AM May 18, 2022Forecast: 4.7 ft 8:00AM May 18, 2022Forecast: 4.6 ft 2:00PM May 18, 2022Forecast: 4.4 ft 8:00PM May 18, 2022Forecast: 4.3 ft 2:00AM May 19, 2022Forecast: 4.2 ft 8:00AM May 19, 2022Forecast: 4.1 ft 2:00PM May 19, 2022Forecast: 4.1 ft 8:00PM May 19, 2022Forecast: 4 ft 2:00AM May 20, 2022Forecast: 4 ft 8:00AM May 20, 2022USGS--Water Resources of the United StatesCNWN3(plotting HGIRG) Graph Created (12:52PM May 17, 2022)ObservedForecast (issued 11:06AM May 17)Latest observed value: 5.85 ft at 11:45 AM EDT 17-May-2022. Flood Stage is 9 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Saco River near Conway are issued routinely year-round.
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Downstream Gauge Downstream Gauge - at West Buxton
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 14
Flood Stage: 9
Action Stage: 7
Low Stage (in feet): -9999

Historic Crests
(1) 19.03 ft on 03/07/1979
(2) 17.23 ft on 08/29/2011
(3) 17.20 ft on 03/27/1953
(4) 17.04 ft on 04/01/1987
(5) 16.45 ft on 03/19/1936
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.77 ft on 10/31/2021 (P)
(2) 15.04 ft on 10/30/2017
(3) 9.60 ft on 07/02/2017
(4) 13.13 ft on 04/16/2014
(5) 10.59 ft on 10/30/2012
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.61 ft on 03/16/1932

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
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 In Conway, Hillside Avenue, Washington Street, and East Side Drive flood. Water rises to just below the covered bridge on East Side Road. All of Transvale Acres to West Side Road floods. Flood waters 10 to 12 feet deep at Beach and Eastern Slope camping areas.
13 Flooding occurs on West Side Road and River Road.
12 Much of Transvale Acres floods from Moat Brook Bridge east to the Saco River. Up to 80 percent of the Saco River Camping area floods up to a depth of 2.5 feet.
11 Flood waters 2 to 3 feet deep at Beach and Eastern Slope camping areas. One third of Saco River Camping area floods to a depth of 6 to 18 inches.
10 Flood waters 1 to 2 feet deep in sections of Beach and Eastern Slope Camping areas.
9.5 In Transvale Acres, Moat Brook Bridge and the lower part of E. Road flood.
9 Water rises up to 1 feet deep in Beach and Eastern Slope camping areas.
8 Water starts to enter Transvale Acres in Conway.
7.5 Water starts to enter Beach and Eastern Slope camping area in Conway.
About This Location Collapse

Latitude: 43.990833° N, Longitude: 71.090556° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 9 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(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 29 418.19 ft 427.19 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble  GEFS Ensemble 

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics. 

Click individual graphics to enlarge.
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Gray Weather Forecast Office
P.O. Box 1208, 1 Weather Lane, Route 231
Gray, ME 04039
(207) 688-3216
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