Massachusetts / Plymouth Harbor /
Plymouth Harbor State Boat Ramp
Boat ramp · on Plymouth Harbor · near Plymouth · Massachusetts

Harmful algal blooms reported on Plymouth Harbor 4.2 km from this launch (state reports compiled by U.S. EPA): 2019.
state reports compiled by U.S. EPA · checked October 18, 2026
Status not reported No closure has been posted for this launch, but its agency does not publish open or closed status. Check with the managing agency before you tow.
At the launch
- Type
- Boat ramp
- Ramp surface
- Paved
- Trailer parking
- 102 spaces
- Tidal
- Yes
- Managed by
- Town of Plymouth
- Website
- plymouth-ma.gov
- Coordinates
- 41.96341, -70.66657
Channel depths in feet from the Army Corps' surveys (New England District; the one nearest this launch is of April 20, 2026). Not for navigation.
Conditions
- Weather forecast for this launch · National Weather Service
- Tide predictions at Plymouth · NOAA, 0.4 mi away
Marine advisories
Advisories in effect load here; without them, see the NWS zone forecast below.
National Weather Service marine zone ANZ251, Massachusetts Bay and Ipswich Bay. Zone forecast: winds, seas, warnings.
Tides
Predicted highs and lows at NOAA's Plymouth station, 0.4 mi from this launch, in local time above MLLW. Predictions, not observations: wind and weather move the real tide. Full predictions at NOAA.
| Mon Oct 19 | Low 12:21 am 1.8 ft · High 6:18 am 8.1 ft · Low 12:40 pm 2.6 ft · High 6:36 pm 9.0 ft |
|---|---|
| Tue Oct 20 | Low 1:17 am 1.8 ft · High 7:17 am 8.2 ft · Low 1:38 pm 2.4 ft · High 7:35 pm 9.0 ft |
| Wed Oct 21 | Low 2:11 am 1.6 ft · High 8:12 am 8.5 ft · Low 2:32 pm 2.0 ft · High 8:31 pm 9.1 ft |
| Thu Oct 22 | Low 3:00 am 1.4 ft · High 9:01 am 9.0 ft · Low 3:23 pm 1.6 ft · High 9:21 pm 9.4 ft |
| Fri Oct 23 | Low 3:46 am 1.2 ft · High 9:46 am 9.6 ft · Low 4:10 pm 1.0 ft · High 10:09 pm 9.6 ft |
| Sat Oct 24 | Low 4:31 am 0.9 ft · High 10:29 am 10.2 ft · Low 4:57 pm 0.4 ft · High 10:55 pm 9.9 ft |
| Sun Oct 25 | Low 5:14 am 0.7 ft · High 11:12 am 10.7 ft · Low 5:42 pm -0.1 ft · High 11:40 pm 10.1 ft |
Channel survey
The Army Corps surveys the channels it maintains and posts every survey.
- Plymouth Harbor
Condition survey of April 20, 2026 by the New England District. Least depth in the channel (8-Foot Anchorage): 4.4 ft below mean lower low water (MLLW); project depth 8 ft. Survey sheet (PDF)
US Army Corps of Engineers hydrographic surveys, from eHydro. A survey shows the bottom on the day it was made; channels shoal after high water and change with dredging. Not for navigation.
On Plymouth Harbor
Bay in Massachusetts. All launches on Plymouth Harbor.
Community
Where people who use Plymouth Harbor talk about it.
Nearby launches
- Plymouth Harbor · 0.4 mi · Plymouth Harbor
- Plymouth Harbor Carry-in Access near Plymouth · 1.4 mi · Plymouth Harbor
- Plymouth Harbor Carry-in Access near Plymouth · 1.5 mi · Plymouth Harbor
- Little Pond Carry-in Access near Plymouth · 1.6 mi · Little Pond
- Little Pond Carry-in Access near Plymouth · 1.8 mi · Little Pond
- Lout Pond Carry-in Access · 1.8 mi · Lout Pond
Sources
- Massachusetts CZM Coast Guide public access sites (boat ramps) record plymouth-harbor-state-boat-ramp-plymouth · Permission is granted to copy and use the materials herein (CZM, ArcGIS item 49202cb9bbde4d0ebb914fbf8015646f)
- Massachusetts Coastal Boat Ramps (Division of Marine Fisheries) record plymouth-boat-ramp-plymouth-179-water-st · Permission is granted to copy and use the materials herein (EEA and DFG, ArcGIS item f6e06b2f636a455f9037e17aaeaa448a)
- Massachusetts CZM Coast Guide boat ramp points record plymouth-harbor-boat-ramp-plymouth · Permission is granted to copy and use the materials herein (EEA and CZM, ArcGIS item 018d6059fef841ae94a361c3b49f43f9)
- OpenStreetMap n4148338170 © OpenStreetMap contributors, ODbL
Why it is listed as public: listed by Massachusetts CZM Coast Guide public access sites (boat ramps) and Massachusetts Coastal Boat Ramps (Division of Marine Fisheries) and Massachusetts CZM Coast Guide boat ramp points. Something wrong, or is this launch private? Send a correction; it goes to a person.