Tidora

Ashuelot River near Gilsum

National Weather Service gauge GILN3 · New Hampshire · Cheshire County · 43.0392, -72.2701 · USGS 01157000

Flood levels

Official flood levels at this gauge: action stage begins at 8.0 ft; minor flooding begins at 9.5 ft; moderate flooding begins at 11.0 ft; major flooding begins at 12.0 ft.

Action stage8.0 ft
Minor flooding9.5 ft
Moderate flooding11.0 ft
Major flooding12.0 ft

Highest recorded crests

What the water does

National Weather Service impact statements for this gauge, in the Weather Service's own words.

8.5 ftWater approaches properties along Old Marlow Road in Gilsum.
9.0 ftWater encroaches on Riverside Road in Gilsum and Greenes Landing Road in Marlow.
9.5 ftWater up to Spring Street in Gilsum.
10.0 ftIn Gilsum, Riverside Road flooded and homes cut-off. Howard Road bridge inaccessible from Old Marlow Road.
10.5 ftGilsum Road between Southwoods Road and New Hampshire Route 12A flooded.
11.0 ftModerate flooding occurs. Water up to Main Street in Gilsum.
11.5 ftRoute 10 near Kinson State Wildlife Area in Marlow vulnerable to flooding.
12.0 ftMajor flooding occurs. Properties between Maine Street and Church Street in Gilsum cut off by floodwaters if coinciding high flows on Hayward Brook.

Forecast office: NWS Gray · River Forecast Center: Northeast River Forecast Center.

Tidora wave T logo

Ashuelot River near Gilsum in your pocket

Tidora puts this spot on your Home Screen and Lock Screen with free widgets, and sends free flood alerts before the water reaches the levels that matter to you. No account, no subscription needed for either.

Download Tidora on the App Store

Tidora is preparing for launch; these pages go fully live when the app ships.

Nearby stations and gauges