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Forty Mile Point Lighthouse

Iso W 6s🇺🇸Michigan's Eastern Lower Peninsula, USOperational

Location & Light Range

About Forty Mile Point Lighthouse

Construction of the Forty Mile Point Lighthouse was completed in 1896. The tower reaches a height of 16 meters, with the light positioned at a focal height of 20 meters. This structure continues to be operational. It emits a white light, providing a navigational aid to mariners.

Why it matters: The lighthouse is recognized as a Michigan state historic site.

Light & Optic

Characteristic Signature
Iso W 6s
Flash Type
Isophase
Light Color
White
Flash Count
1 flash
Interval
6s
Focal Height
20m

Construction & History

Year Built
1896
Heritage Status
Michigan state historic site

References & Identifiers

Wikipedia
Read on Wikipedia →
Wikidata
Q5472981 →
OpenStreetMap
View on OSM →

Tower & Structure

Tower Height
16m

Location

City
Michigan's Eastern Lower Peninsula
Country
🇺🇸US
Latitude
45.4863°
Longitude
-83.9138°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Forty Mile Point Lighthouse at night?+
Forty Mile Point displays the characteristic Iso 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 Forty Mile Point Lighthouse guide vessels into?+
Forty Mile Point Lighthouse assists vessels approaching 5 nearby ports. The closest is Rogers City at 5.8 NM to the SE. Other ports served include Calcite (7.4 NM SE), PRESQUE ISLE (20.1 NM ESE), CHEBOYGAN (25.3 NM WNW), DRUMMOND ISLAND (30.1 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Forty Mile Point Lighthouse still active and maintained?+
Yes, Forty Mile Point 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 Forty Mile Point Lighthouse?+
You can track vessels near Forty Mile Point 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.