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Copper Harbor Lighthouse

Fl Green 6s🇺🇸Grant Township, USOperational

Location & Light Range

About Copper Harbor Lighthouse

A 19-meter white steel skeletal tower with a pyramidal shape guides mariners. This structure, first lit in 1933, stands on a focal height of 27.5 meters. It emits a single green flash every six seconds. The light has a geographic range of 14.8 nautical miles. The tower is located in Grant Township, Michigan, near Copper Harbor.

Why it matters: This lighthouse aids vessels entering Copper Harbor, a historically significant port on Lake Superior.

Light & Optic

Characteristic Signature
Fl Green 6s
Flash Type
Flashing
Light Color
Green
Interval
6s
Raw Code
Fl G 6s
Focal Height
27.5m
Geographic Range
14.8NM

Construction & History

Year Built
1933

References & Identifiers

Nearest Port
Houghton(35.7 km)
USCG No.
7-15175
ARLHS No.
USA-361

Tower & Structure

Tower Height
19m
Tower Shape
pyramidal
Tower Color
white
Material
steel

Structure: A 19m square pyramidal skeletal tower, painted white.

Location

City
Grant Township
Country
🇺🇸United States
Region
Michigan
Sea Region
Copper Harbor, adjacent to the historic lighthouse
Latitude
47.4743°
Longitude
-87.8603°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Copper Harbor Lighthouse at night?+
Copper Harbor displays the characteristic Fl Green 6s. 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. The green color may indicate a specific sector or warning zone.
Which ports and harbors does Copper Harbor Lighthouse guide vessels into?+
Copper Harbor Lighthouse assists vessels approaching 3 nearby ports. The closest is HOUGHTON at 35.8 NM to the SW. Other ports served include MARKHAMS (37.2 NM WSW), Baraga (49 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Copper Harbor Lighthouse still active and maintained?+
Yes, Copper Harbor 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 Copper Harbor Lighthouse?+
You can track vessels near Copper Harbor 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.