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Chicago Harbor Light

Location: Breakwater Chicago Harbor entrance near Chicago, IL
Body of Water: Lake Michigan

Photo by: Wendy
Source: Flickr Creative Commons

About Chicago Harbor Light

The location of the light is Breakwater Chicago Harbor entrance. The nearest city is Chicago, IL. The station was first established in 1832. The current lighthouse was first lit in 1893.

The lighthouse is a white conical tower.

The tower has a flashing red light at a focal plane height of 82 ft above mean high water. The light has a nominal range of 14 nautical miles. The light has a period of 5 seconds.

Open to the Public?: No    Active?: Yes

Identification number: 7-19960 (U.S.)

HORN: 2 blasts ev 30s (2s bl). Operates from Apr. to Dec.

A 'flashing' light is a light in which the total duration of light in a period is shorter than the total duration of darkness and the appearances of light (flashes) are usually of equal duration. So in the 5 second period, the light is on for less than 2.5 then off for more than 2.5.

Chicago Harbor Light was listed on the National Register of Historic Places on July 19, 1984, reference number 84000986.

Today's Conditions on Site

Astronomical Info.

Astronomical Dawn: 5:37 am
Sunrise: 7:15 am
Sunset: 4:47 pm
Astronomical Dusk: 6:25 pm

Local Marine Forecast.

There are no active watches, warnings or advisories 

Additional Conditions.

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