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Grosse Point Lighthouse

Fl W 15s🇺🇸Illinois, USInactive

Location & Light Range

About Grosse Point Lighthouse

Constructed in 1873, the Grosse Point Lighthouse features a white, 36-meter-tall tower. Its focal height also measures 36 meters, providing illumination for mariners. The light emitted is white and flashes, serving as a navigational aid. This structure has been a part of the Illinois coastline since its first lighting in 1873.

Why it matters: The lighthouse is recognized as a listed place on the National Register of Historic Places.

Light & Optic

Characteristic Signature
Fl W 15s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
15s
Raw Code
Fl
Focal Height
36m

Construction & History

Year Built
1873
Heritage Status
National Register of Historic Places listed place

References & Identifiers

Admiralty No.
LLNR20190
Wikipedia
Read on Wikipedia →
Wikidata
Q5610547 →
OpenStreetMap
View on OSM →

Tower & Structure

Tower Height
36m
Tower Color
white

Location

City
Illinois
Country
🇺🇸US
Latitude
42.0639°
Longitude
-87.6760°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Grosse Point Lighthouse at night?+
Grosse Point displays the characteristic Fl W 15s — 1 white flash every 15 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 Grosse Point Lighthouse guide vessels into?+
Grosse Point Lighthouse assists vessels approaching 5 nearby ports. The closest is WILMETTE ASSOCIATION at 0.8 NM to the NNW. Other ports served include Winnetka (3.4 NM NW), Harwood Heights (8 NM SW), Wicker Park (9.8 NM S), Chicago (11.1 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Grosse Point Lighthouse still active and maintained?+
Grosse Point 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 Grosse Point Lighthouse?+
You can track vessels near Grosse 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.