Launch Conditions
Use cautionLaunch with caution — limited daylight.
- Advisories
- None active
- Daylight
- Past sunset (8:23 PM)
- Water level
- 3.82 ft
Live from the National Weather Service, USGS, and NOAA. A guide, not a substitute for official forecasts and your own judgment.
Live Water Conditions on Merrimack River
Updated 1 hr agoSource: USGS station 01092000 — MERRIMACK R NR GOFFS FALLS, BELOW MANCHESTER, NH · 5.9 mi from Merrimack River
Launch Light & Moon — July 13
local timeNew Moon (3% illuminated). Peak fishing window — solunar theory puts fish most active around the new and full moon.
Location
Quick Facts: Merrimack River
| Location | Chelmsford, Massachusetts |
|---|---|
| Waterbody | Merrimack River |
| Access Type | Public - Free |
| Coordinates | 42.641634, -71.378019 |
| Hours | Check on site |
Merrimack River is a public boat launch providing access to Merrimack River in Chelmsford, Massachusetts at coordinates 42.64163, -71.37802. Data published by Massachusetts Office of Fishing and Boating Access (MA OFBA).
Merrimack River is a public boat launch on Merrimack River in Chelmsford, Massachusetts. As a public launch it is open to all boaters; state- and county-run ramps like this are typically free or charge only a modest day-use fee. This page shows live USGS water level and temperature, sunrise, sunset, and moon-phase times for the launch, updated automatically. There are 6 other mapped boat ramps within about 15 miles if conditions here aren't right.
Related: boat ramp in Chelmsford • fishing access on Merrimack River • Massachusetts boat launch
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Frequently Asked Questions About Merrimack River
Is Merrimack River free to use?
Yes, Merrimack River is a public boat launch with free access in Chelmsford, Massachusetts.
What water does Merrimack River access?
Merrimack River provides boat launch access to Merrimack River in Chelmsford, Massachusetts.
How do I get to Merrimack River?
Merrimack River is located at coordinates 42.641634, -71.378019 in Chelmsford, Massachusetts. Use the "Get Directions" buttons on this page to navigate with Google Maps or Apple Maps.
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Alternative Boat Launches Nearby
The area surrounding Merrimack River includes 6 other public boat ramps within 4.1 mi, giving boaters flexibility in choosing their access point.