Connecticut / Niantic Bay /

Grand Street Boat Launch

Boat ramp · on Niantic Bay · near East Lyme · Connecticut

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
Fee
Free
Restrooms
No
Tidal
Yes
Wheelchair access
No
Managed by
Town of East Lyme
Website
eltownhall.com
Coordinates
41.32561, -72.18637

Directions (Google) Apple Maps

Channel depths in feet from the Army Corps' surveys (New England District; the one nearest this launch is of July 13, 2026). Not for navigation.

Conditions

Marine advisories

Advisories in effect load here; without them, see the NWS zone forecast below.

National Weather Service marine zone ANZ332, Long Island Sound East of the Mouth of the Connecticut River. Zone forecast: winds, seas, warnings.

Tides

Predicted highs and lows at NOAA's Niantic, Niantic River station, 0.1 mi from this launch, in local time above MLLW. Predictions, not observations: wind and weather move the real tide. Full predictions at NOAA.

Tide predictions, Mon Oct 19 to Sun Oct 25
Mon Oct 19 High 5:44 am 2.3 ft · Low 11:53 am 0.9 ft · High 6:02 pm 2.6 ft
Tue Oct 20 Low 12:31 am 0.6 ft · High 6:40 am 2.4 ft · Low 12:47 pm 0.8 ft · High 6:54 pm 2.6 ft
Wed Oct 21 Low 1:15 am 0.5 ft · High 7:27 am 2.6 ft · Low 1:38 pm 0.6 ft · High 7:39 pm 2.7 ft
Thu Oct 22 Low 1:57 am 0.4 ft · High 8:08 am 2.8 ft · Low 2:26 pm 0.5 ft · High 8:20 pm 2.7 ft
Fri Oct 23 Low 2:37 am 0.4 ft · High 8:46 am 3.0 ft · Low 3:14 pm 0.3 ft · High 8:59 pm 2.7 ft
Sat Oct 24 Low 3:17 am 0.3 ft · High 9:23 am 3.2 ft · Low 4:01 pm 0.1 ft · High 9:39 pm 2.7 ft
Sun Oct 25 Low 3:58 am 0.2 ft · High 10:00 am 3.4 ft · Low 4:47 pm 0.0 ft · High 10:20 pm 2.7 ft

Channel survey

The Army Corps surveys the channels it maintains and posts every survey.

  • Niantic Bay and Harbor · 0.2 mi from this launch
    Condition survey of July 13, 2026 by the New England District. Least depth in the channel (6-Foot Channel Mago Point Reach): 3.9 ft below mean lower low water (MLLW); project depth 6 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 Niantic Bay

Bay in Connecticut. All launches on Niantic Bay.

Community

Where people who use Niantic Bay talk about it.

Nearby launches

Sources

Why it is listed as public: listed by Connecticut DEEP Coastal Access Sites (boat launches and car-top access). Something wrong, or is this launch private? Send a correction; it goes to a person.