Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Montrose Breakwater Lighthouse

Fl R 3s🇺🇸Illinois, USOperational

Location & Light Range

About Montrose Breakwater Lighthouse

This lighthouse stands on the Montrose Breakwater in Illinois. Its focal height reaches 12.5 meters above the water. The light emitted is red, marking the breakwater's extent. It provides a visual reference for mariners navigating the area.

Light & Optic

Characteristic Signature
Fl R 3s
Flash Type
Flashing
Light Color
Red
Flash Count
1 flash
Interval
3s
Focal Height
12.5m

Nearby Vessels

Flag
Type
Name
Dist.

Location

City
Illinois
Country
🇺🇸US
Latitude
41.9686°
Longitude
-87.6310°
Live tracking · 50,000+ mariners

Find Montrose Breakwater Lighthouse on the live nautical map

Plan voyages near US, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Montrose Breakwater Lighthouse at night?+
Montrose Breakwater displays the characteristic Fl R 3s — 1 red flash every 3 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 Montrose Breakwater Lighthouse guide vessels into?+
Montrose Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Wicker Park at 4.4 NM to the SSW. Other ports served include Chicago (5.1 NM SSE), WILMETTE ASSOCIATION (6.9 NM NNW), Harwood Heights (7.5 NM W), Winnetka (9.1 NM NNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Montrose Breakwater Lighthouse still active and maintained?+
Yes, Montrose 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 Montrose Breakwater Lighthouse?+
You can track vessels near Montrose 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.