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Frankfort South Breakwater Lighthouse

Fl R 4s🇺🇸Michigan's Western Lower Peninsula, USOperational

Location & Light Range

About Frankfort South Breakwater Lighthouse

This white lighthouse, constructed in 1912, stands 22 meters tall with a focal height of 14 meters. Its light displays a flashing red characteristic. The structure offers a geographic range of 16 nautical miles. It is part of Michigan's Western Lower Peninsula.

Why it matters: This lighthouse is recognized under heritage status 2.

Light & Optic

Characteristic Signature
Fl R 4s
Flash Type
Flashing
Light Color
Red
Flash Count
1 flash
Interval
4s
Raw Code
Fl
Focal Height
14m
Geographic Range
16NM

Construction & History

Year Built
1912
Heritage Status
2

References & Identifiers

Admiralty No.
LLNR 18375
Wikipedia
Read on Wikipedia →
Wikidata
Q14716104 →
OpenStreetMap
View on OSM →

Tower & Structure

Tower Height
22m
Tower Color
white

Location

City
Michigan's Western Lower Peninsula
Country
🇺🇸US
Latitude
44.6333°
Longitude
-86.2500°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Frankfort South Breakwater Lighthouse at night?+
Frankfort South Breakwater displays the characteristic Fl R 4s — 1 red flash every 4 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. The red color may indicate a specific sector or warning zone.
Which ports and harbors does Frankfort South Breakwater Lighthouse guide vessels into?+
Frankfort South Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Frankfort at 0.6 NM to the ESE. Other ports served include ARCADIA (8.9 NM S), ONEKAMA (16.2 NM S), MANISTEE (23.4 NM S), TRAVERSE CITY (28.1 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Frankfort South Breakwater Lighthouse still active and maintained?+
Yes, Frankfort South Breakwater 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 Frankfort South Breakwater Lighthouse?+
You can track vessels near Frankfort South Breakwater 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.