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Gannet Rock Lighthouse

Fl W 6s🇺🇸Southern New Brunswick, USOperational

This white, 28-meter tower was first lit in 1831 on a rocky islet south of Grand Manan Island. Situated on Menaskook, a name given by the Passamaquoddy people, the lighthouse is 8 miles offshore in the Bay of Fundy. Its light has a geographic range of 19 nautical miles. The station was staffed until 1996, then solarized in 2002, and it continues to operate. However, the Canadian Coast Guard declared it surplus in 2010, and it is no longer maintained.

Why it matters: This structure is a recognized federal heritage building of Canada.

Background
The Gannet Rock Lighthouse is a Canadian lighthouse located on a rocky islet, named Menaskook by the Passamaquoddy, 8 miles (13 km) south of Grand Manan in the Bay of Fundy. It was first lit in 1831 and was staffed until 1996. It was solarized in 2002 and remains operational in 2023. It was declared "surplus to requirements" by the Canadian Coast Guard in 2010 and is no longer being maintained.
Characteristic Signature
Fl W 6s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
6s
Raw Code
Fl
Focal Height
28m
Geographic Range
19NM
Year Built
1831
Heritage Status
recognized federal heritage building of Canada
Admiralty No.
H4188
NGA No.
H 4188
OpenStreetMap
View on OSM →
Tower Height
28m
Tower Color
white
City
Southern New Brunswick
Country
🇺🇸US
Latitude
44.5105°
Longitude
-66.7819°
Flag
Type
Name
Dist.
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How do mariners identify Gannet Rock Lighthouse at night?+
Gannet Rock displays the characteristic Fl W 6s — 1 white flash every 6 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area.
Which ports and harbors does Gannet Rock Lighthouse guide vessels into?+
Gannet Rock Lighthouse assists vessels approaching 5 nearby ports. The closest is Grand Manan at 11.4 NM to the N. Other ports served include SWF & SON INC. (20.4 NM WNW), Lubec (22.1 NM NNW), Eastport (24.9 NM NNW), Deer Island (28.5 NM NNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Gannet Rock Lighthouse still active and maintained?+
Yes, Gannet Rock Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
How can I track vessels near Gannet Rock Lighthouse?+
You can track vessels near Gannet Rock Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.