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Thacher Island North Lighthouse

F🇺🇸Northern Massachusetts, USInactive

Location & Light Range

About Thacher Island North Lighthouse

Constructed in 1771, Thacher Island North stands 38 meters tall, with its focal plane reaching 50.5 meters above sea level. The lighthouse was first lit in the same year it was built. It is located in Northern Massachusetts. This structure is no longer operational. It is a contributing property to the Thacher Island National Historic District.

Light & Optic

Characteristic Signature
F
Flash Type
Fixed
Flash Count
1 flash
Focal Height
50.5m

Construction & History

Year Built
1771
Heritage Status
National Register of Historic Places contributing property

References & Identifiers

Wikidata
Q62075617 →

Tower & Structure

Tower Height
38m

Location

City
Northern Massachusetts
Country
🇺🇸US
Latitude
42.6391°
Longitude
-70.5747°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Thacher Island North Lighthouse at night?+
Thacher Island North displays the characteristic F. 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 Thacher Island North Lighthouse guide vessels into?+
Thacher Island North Lighthouse assists vessels approaching 5 nearby ports. The closest is Gloucester at 4.7 NM to the WSW. Other ports served include Annisquam Harbour (4.7 NM W), LONG WHARF CAUSEWAY (5.3 NM W), IPSWICH BAY (10.6 NM WNW), South Hamilton (13.1 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Thacher Island North Lighthouse still active and maintained?+
Thacher Island North Lighthouse is currently listed as inactive. It may have been decommissioned, replaced by a different navigation aid, or temporarily taken out of service. Mariners should check the latest Notices to Mariners for current status.
How can I track vessels near Thacher Island North Lighthouse?+
You can track vessels near Thacher Island North 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.