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Hydrograph River at a Glance Download
Merrimack River at Goffs Falls Stage (ft)Flow (kcfs)Observed: 2.96 ft at 4:16AM Sep 29, 2014Observed: 2.96 ft at 4:30AM Sep 29, 2014Observed: 2.95 ft at 5:00AM Sep 29, 2014Observed: 2.95 ft at 5:30AM Sep 29, 2014Observed: 2.95 ft at 6:00AM Sep 29, 2014Observed: 2.95 ft at 6:30AM Sep 29, 2014Observed: 2.95 ft at 7:00AM Sep 29, 2014Observed: 2.95 ft at 7:30AM Sep 29, 2014Observed: 2.95 ft at 8:00AM Sep 29, 2014Observed: 2.95 ft at 8:30AM Sep 29, 2014Observed: 2.96 ft at 9:00AM Sep 29, 2014Observed: 2.97 ft at 9:30AM Sep 29, 2014Observed: 3 ft at 10:00AM Sep 29, 2014Observed: 3 ft at 10:16AM Sep 29, 2014Observed: 3 ft at 10:30AM Sep 29, 2014Observed: 3.07 ft at 11:00AM Sep 29, 2014Observed: 3.11 ft at 11:30AM Sep 29, 2014Observed: 3.22 ft at 12:00PM Sep 29, 2014Observed: 3.24 ft at 12:30PM Sep 29, 2014Observed: 3.3 ft at 1:00PM Sep 29, 2014Observed: 3.3 ft at 1:30PM Sep 29, 2014Observed: 3.32 ft at 2:00PM Sep 29, 2014Observed: 3.32 ft at 2:30PM Sep 29, 2014Observed: 3.33 ft at 3:00PM Sep 29, 2014Observed: 3.33 ft at 3:30PM Sep 29, 2014Observed: 3.34 ft at 4:00PM Sep 29, 2014Observed: 3.34 ft at 4:16PM Sep 29, 2014Observed: 3.34 ft at 4:30PM Sep 29, 2014Observed: 3.36 ft at 5:00PM Sep 29, 2014Observed: 3.36 ft at 5:30PM Sep 29, 2014Observed: 3.36 ft at 6:00PM Sep 29, 2014Observed: 3.36 ft at 6:30PM Sep 29, 2014Observed: 3.36 ft at 7:00PM Sep 29, 2014Observed: 3.36 ft at 7:30PM Sep 29, 2014Observed: 3.35 ft at 8:00PM Sep 29, 2014Observed: 3.35 ft at 8:30PM Sep 29, 2014Observed: 3.35 ft at 9:00PM Sep 29, 2014Observed: 3.34 ft at 9:30PM Sep 29, 2014Observed: 3.34 ft at 10:00PM Sep 29, 2014Observed: 3.34 ft at 10:16PM Sep 29, 2014Observed: 3.33 ft at 10:30PM Sep 29, 2014Observed: 3.33 ft at 11:00PM Sep 29, 2014Observed: 3.32 ft at 11:30PM Sep 29, 2014Observed: 3.32 ft at 12:00AM Sep 30, 2014Observed: 3.32 ft at 12:30AM Sep 30, 2014Observed: 3.31 ft at 1:00AM Sep 30, 2014Observed: 3.31 ft at 1:30AM Sep 30, 2014Observed: 3.3 ft at 2:00AM Sep 30, 2014Observed: 3.3 ft at 2:30AM Sep 30, 2014Observed: 3.3 ft at 3:00AM Sep 30, 2014Observed: 3.3 ft at 3:30AM Sep 30, 2014Observed: 3.29 ft at 4:00AM Sep 30, 2014Observed: 3.29 ft at 4:16AM Sep 30, 2014Observed: 3.29 ft at 4:30AM Sep 30, 2014Observed: 3.29 ft at 5:00AM Sep 30, 2014Observed: 3.28 ft at 5:30AM Sep 30, 2014Observed: 3.28 ft at 6:00AM Sep 30, 2014Observed: 3.27 ft at 6:30AM Sep 30, 2014Observed: 3.27 ft at 7:00AM Sep 30, 2014Observed: 3.26 ft at 7:30AM Sep 30, 2014Observed: 3.26 ft at 8:00AM Sep 30, 2014Observed: 3.26 ft at 8:30AM Sep 30, 2014Observed: 3.23 ft at 9:00AM Sep 30, 2014Observed: 3.21 ft at 9:30AM Sep 30, 2014Observed: 3.14 ft at 10:00AM Sep 30, 2014Observed: 3.14 ft at 10:15AM Sep 30, 2014Observed: 3.13 ft at 10:30AM Sep 30, 2014Observed: 3.06 ft at 11:00AM Sep 30, 2014Observed: 3.02 ft at 11:30AM Sep 30, 2014Observed: 2.89 ft at 12:00PM Sep 30, 2014Observed: 2.85 ft at 12:30PM Sep 30, 2014Observed: 2.74 ft at 1:00PM Sep 30, 2014Observed: 2.71 ft at 1:30PM Sep 30, 2014Observed: 2.66 ft at 2:00PM Sep 30, 2014Observed: 2.65 ft at 2:30PM Sep 30, 2014Observed: 2.64 ft at 3:00PM Sep 30, 2014Observed: 2.64 ft at 3:30PM Sep 30, 2014Observed: 2.65 ft at 4:00PM Sep 30, 2014Observed: 2.65 ft at 4:15PM Sep 30, 2014Observed: 2.66 ft at 4:30PM Sep 30, 2014Observed: 2.69 ft at 5:00PM Sep 30, 2014Observed: 2.7 ft at 5:30PM Sep 30, 2014Observed: 2.72 ft at 6:00PM Sep 30, 2014Observed: 2.73 ft at 6:30PM Sep 30, 2014Observed: 2.75 ft at 7:00PM Sep 30, 2014Observed: 2.76 ft at 7:30PM Sep 30, 2014Observed: 2.78 ft at 8:00PM Sep 30, 2014Observed: 2.78 ft at 8:30PM Sep 30, 2014Observed: 2.8 ft at 9:00PM Sep 30, 2014Observed: 2.81 ft at 9:30PM Sep 30, 2014Observed: 2.81 ft at 10:00PM Sep 30, 2014Observed: 2.81 ft at 10:15PM Sep 30, 2014Observed: 2.82 ft at 10:30PM Sep 30, 2014Observed: 2.82 ft at 11:00PM Sep 30, 2014Observed: 2.82 ft at 11:30PM Sep 30, 2014Observed: 2.82 ft at 12:00AM Oct 01, 2014Observed: 2.82 ft at 12:30AM Oct 01, 2014Observed: 2.83 ft at 1:00AM Oct 01, 2014Observed: 2.84 ft at 1:30AM Oct 01, 2014Observed: 2.98 ft at 2:00AM Oct 01, 2014Observed: 3.05 ft at 2:30AM Oct 01, 2014Observed: 3.22 ft at 3:00AM Oct 01, 2014Observed: 3.26 ft at 3:30AM Oct 01, 2014Observed: 3.36 ft at 4:00AM Oct 01, 2014Observed: 3.36 ft at 4:15AM Oct 01, 2014Highest Observation: 3.38 ft at 4:30AM Oct 01, 2014Observed: 3.36 ft at 5:00AM Oct 01, 2014Observed: 3.34 ft at 5:30AM Oct 01, 2014Observed: 3.23 ft at 6:00AM Oct 01, 2014Observed: 3.2 ft at 6:30AM Oct 01, 2014Observed: 3.11 ft at 7:00AM Oct 01, 2014Observed: 3.09 ft at 7:30AM Oct 01, 2014Observed: 3.04 ft at 8:00AM Oct 01, 2014Observed: 3.02 ft at 8:30AM Oct 01, 2014Observed: 2.99 ft at 9:00AM Oct 01, 2014Observed: 2.96 ft at 9:30AM Oct 01, 2014Observed: 2.86 ft at 10:00AM Oct 01, 2014Observed: 2.86 ft at 10:16AM Oct 01, 2014Observed: 2.82 ft at 10:30AM Oct 01, 2014Observed: 2.7 ft at 11:00AM Oct 01, 2014Observed: 2.66 ft at 11:30AM Oct 01, 2014Observed: 2.58 ft at 12:00PM Oct 01, 2014Observed: 2.56 ft at 12:30PM Oct 01, 2014Observed: 2.52 ft at 1:00PM Oct 01, 2014Observed: 2.52 ft at 1:30PM Oct 01, 2014Observed: 2.52 ft at 2:00PM Oct 01, 2014Observed: 2.54 ft at 2:30PM Oct 01, 2014Observed: 2.74 ft at 3:00PM Oct 01, 2014Observed: 2.82 ft at 3:30PM Oct 01, 2014Observed: 2.91 ft at 4:00PM Oct 01, 2014Observed: 2.9 ft at 4:30PM Oct 01, 2014Observed: 2.9 ft at 4:31PM Oct 01, 2014Observed: 2.82 ft at 5:00PM Oct 01, 2014Observed: 2.79 ft at 5:30PM Oct 01, 2014Observed: 2.71 ft at 6:00PM Oct 01, 2014Observed: 2.69 ft at 6:30PM Oct 01, 2014Observed: 2.66 ft at 7:00PM Oct 01, 2014Observed: 2.65 ft at 7:30PM Oct 01, 2014Observed: 2.65 ft at 8:00PM Oct 01, 2014Observed: 2.65 ft at 8:30PM Oct 01, 2014Observed: 2.7 ft at 9:00PM Oct 01, 2014Observed: 2.77 ft at 9:30PM Oct 01, 2014Observed: 3.04 ft at 10:00PM Oct 01, 2014Observed: 3.11 ft at 10:30PM Oct 01, 2014Observed: 3.11 ft at 10:31PM Oct 01, 2014Observed: 3.24 ft at 11:00PM Oct 01, 2014Observed: 3.26 ft at 11:30PM Oct 01, 2014Observed: 3.19 ft at 12:00AM Oct 02, 2014Observed: 3.14 ft at 12:30AM Oct 02, 2014Observed: 2.96 ft at 1:00AM Oct 02, 2014Observed: 2.92 ft at 1:30AM Oct 02, 2014Observed: 2.8 ft at 2:00AM Oct 02, 2014Observed: 2.77 ft at 2:30AM Oct 02, 2014Observed: 2.72 ft at 3:00AM Oct 02, 2014Observed: 2.7 ft at 3:30AM Oct 02, 2014Highest Forecast: 2.8 ft 8:00AM Oct 02, 2014Highest Forecast: 2.8 ft 2:00PM Oct 02, 2014Highest Forecast: 2.8 ft 8:00PM Oct 02, 2014Highest Forecast: 2.8 ft 2:00AM Oct 03, 2014Forecast: 2.7 ft 8:00AM Oct 03, 2014Forecast: 2.7 ft 2:00PM Oct 03, 2014Forecast: 2.7 ft 8:00PM Oct 03, 2014Forecast: 2.7 ft 2:00AM Oct 04, 2014Forecast: 2.7 ft 8:00AM Oct 04, 2014USGS--Water Resources of the United StatesGOFN3(plotting HGIRG) Graph Created (4:15AM Oct 2, 2014)ObservedForecast (issued 10:55AM Oct 1)Latest observed value: 2.7 ft at 3:30 AM EDT 2-Oct-2014. Flood Stage is 11 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Merrimack River at Goffs Falls are issued routinely year-round.
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Upstream Gauge - at Franklin Jct. Upstream Gauge Downstream Gauge Downstream Gauge - at Nashua
Flood Categories (in feet)
Major Flood Stage:17
Moderate Flood Stage:15
Flood Stage:11
Action Stage:10

Historical Crests
(1) 35.19 ft on 03/20/1936
(2) 25.87 ft on 09/23/1938
(3) 19.87 ft on 05/15/2006
(4) 17.42 ft on 04/06/1960
(5) 16.79 ft on 04/17/2007
Show More Historical Crests

(P): Preliminary values subject to further review.

Low Water Records

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
20 THIS IS A SIGNIFICANT AND SERIOUS FLOOD. IF YOU ARE IN A FLOOD PRONE LOCATION NEAR THE RIVER...ACT QUICKLY AND HEAD FOR HIGHER GROUND. IF YOU ARE ASKED TO EVACUATE...DO SO IMMEDIATELY. FLOODING AFFECTS PORTIONS OF MANCHESTER...BEDFORD...MERRIMACK AND LITCHFIELD. AREAS SIGNIFICANTLY IMPACTED INCLUDE RIVERDALE AVE AND STARK WAY IN MANCHESTER.
17 THIS IS A SERIOUS FLOOD EVENT. IF YOU ARE IN A FLOOD PRONE AREA NEAR THE RIVER...BE PREPARED TO MOVE TO HIGHER GROUND AND EVACUATE IF ASKED TO DO SO. AREAS IMPACTED INCLUDE STARK WAY AND RIVERDALE AVE IN MANCHESTER.
15 FLOODING IS EXPECTED IN LOW LYING AREAS OF GOFFSTOWN...MANCHESTER...MERRIMACK AND LITCHFIELD. SHOULD EVACUATIONS BECOME NECESSARY...ACT QUICKLY AND FOLLOW THE DIRECTIONS OF LOCAL EMERGENCY MANAGEMENT OFFICALS. FLOODING MAY FORCE THE CLOSURE OF SOME ROADWAYS WHICH RUN ALONG THE RIVER. KNOW ALTERNATE ROUTES SO YOU CAN AVOID THESE LOCATIONS.
11 FLOODING IS EXPECTED IN LOWEST LYING AREAS ALONG THE RIVER AFFECTING GOFFSTOWN...MANCHESTER...MERRIMACK AND LITCHFIELD.
About This Location Collapse

Latitude: 42.948056° N, Longitude: 71.463889° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 11 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other NULL NULL  

Current/Historical Observations:

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Gray, ME 04039
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Page last modified: 5-Aug-2014 6:39 PM
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