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Sentinel Island Light

Location: the northern entrance to the Favorite Channel near Juneau, AK

Local Marine Forecast.

Small Craft Advisory 
Southeast Alaska Coastal Waters from Dixon Entrance to Cape Suckling out 100 NM Wind forecasts reflect the predominant speed and direction expected. Seas forecasts represent the average of the highest one-third of the combined windwave and swell height. ...SMALL CRAFT ADVISORY DUE TO SEAS THROUGH LATE TONIGHT...

Latest Condiitions.

About Sentinel Island Light

The location of the light is the northern entrance to the Favorite Channel. The nearest city is Juneau, AK. The station was first established in 1902. The current lighthouse was first lit in 1935.

The tower has a flashing white light at a focal plane height of 86 ft above mean high water. The light has a nominal range of 14 nautical miles. The tower height is 42 ft. The light has a period of 10 seconds.

Open to the Public?: By Appointment    Active?: Yes

Identification number: 6-23850 (U.S.)
Identification number: G6538 (International)

Obscured from 152 to 296.

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 10 second period, the light is on for less than 5 then off for more than 5.

Sentinel Island Light was listed on the National Register of Historic Places on Dec. 2, 2002, reference number 02001407.

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