Deer Island Thorofare Lighthouse

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Maine United States
44° 8' 3.12'', -68° 42' 9.0''
Deer Island Thorofare LighthouseDeer Island Thorofare LighthouseDeer Island Thorofare LighthouseDeer Island Thorofare LighthouseDeer Island Thorofare LighthouseDeer Island Thorofare LighthouseDeer Island Thorofare Lighthouse
Breezy starting later this evening, continuing until tomorrow morning, and light rain starting later this evening, continuing until tomorrow afternoon.
50℉E at 13 knots
Low04:48AM-1.398ft
High11:00AM11.025ft
Low05:04PM-0.653ft
High11:17PM12.234ft
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About


Introduction:

The Deer Island Thorofare Lighthouse stands 52 feet above East Penobscot Bay and The east entrance to the Deer Island Thorofare. The lighthouse casts a flashing white signal into the surrounding waters every six seconds and a horn signal can be heard every 15 seconds during periods of foggy weather.

The lighthouse is constructed of brick with a white and black finish on the outside. There are no other buildings standing today on the property.


History:

The Deer Island Thorofare Lighthouse was constructed on Mark Island at the east end of the Deer Island Thorofare in 1857, The United States Coast Guard automated the lighthouse in 1958, and replaced the old fourth order Fresnel lens with a new 250mm acrylic optic.


Navigating in and Around the Lighthouse:

Use NOAA Chart13005.

Poised on Mark Island, The Deer Island Thorofare Lighthouse marks the east entrance to the Deer Island Thorofare off of East Penobscot Bay. On approach from East Penobscot bay, keep an eye out for The Born Cow and West Mark Island Ledge, the latter of which is marked by a nun buoy.


Local Notices to Mariners:

Local Notices to Mariners are available online from the U.S. Coast Guard.


Tour Schedule:

Unfortunately, the lighthouse is not open to the public, but it can be nicely viewed from the water by boat.



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