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Cape Hinchinbrook Light

 
Location: Entrance to Prince William Sound near Cordova, AK

Source: USCG

About Cape Hinchinbrook Light

The location of the light is Entrance to Prince William Sound. The nearest city is Cordova, AK. The station was first established in 1910. The current lighthouse was first lit in 1934.

The tower has a flashing white light at a focal plane height of 67 ft above mean high water. The light has a nominal range of 19 nautical miles. The light has a period of 15 seconds.

Open to the Public?: No    Active?: Yes

Identification number: 6-1125 (U.S.)

Obscured from 134 to 135 and 138 to 283. Emergency light, Fl W 6s, of reduced intensity if main light is extinguished.

The Cape Hinchinbrook Lighthouse was first established in 1910 to mark the entrance to Prince William Sound. Congress authorized the construction of a lighthouse at this point in 1906 appropriating $125,000 for its construction. However, the full amount was not authorized in one lump sum. The money was appropriated over a number of years with $25,000 in 1906, $50,000 in 1907 and the remainder in 1908. As a result construction did not begin until 1909. Construction was slow and hampered by bad weather. In the winter of 1909 a temporary fixed white light was established on the second story of the building under construction. As a result a keeper and his wife remained on site to tend the light. Total cost was $100,323 less than had been estimated. In 1912, the lighthouse tender Armeria wrecked on the rocks off Cape Hinchinbrook. The lighthouse keepers rescued the mariners who were delivering coal to the station. A more powerful fog signal (diaphone) was installed in 1922-23 because of the amount of maritime traffic and the frequent dense fog in the area. In 1931, a six-mile trail was built by the U.S. Forest Service to link the lighthouse station and English Bay at Port Etches. Earthquakes in 1927 and 1928 caused instability in the cliff around the lighthouse. It was felt a new light should be built on solid rock. A new tower was completed in 1934. The light was automated in 1974. A solar powered Vega lens is now installed. The original third order Fresnel lens is on display at the Valdez Heritage center in Valdez, AK.

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 15 second period, the light is on for less than 7.5 then off for more than 7.5.

Cape Hinchinbrook Light was listed on the National Register of Historic Places on July 29, 2005, reference number 05000728.


Today's Conditions on Site

Astronomical Info.

Astronomical Dawn: 6:52 am
Sunrise: 9:27 am
Sunset: 4:30 pm
Astronomical Dusk: 7:05 pm

Local Marine Forecast.


Small Craft Advisory 
Coastal waters forecast for the Northern Gulf of Alaska Coast up to 100 nm out including Kodiak Island and Cook Inlet. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height. ...SMALL CRAFT ADVISORY TONIGHT...

Additional Conditions.

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