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The Sisters Lighthouse

Fl White 4s🇺🇸, USOperational

Location & Light Range

About The Sisters Lighthouse

The Sisters Lighthouse is a maritime navigation aid located in , US. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 21 meters above mean sea level.

Light characteristic: The identifying signal of this lighthouse is Fl White 4s. This characteristic is published in the relevant List of Lights and can be used by mariners to confirm their position relative to the coast. The light color is white, which may indicate a specific sector or warning zone.

Position: The Sisters Lighthouse is positioned at 58.1712°N, 135.2588°W in US.

Geographic context: The Sisters Lighthouse is situated on the North Pacific Ocean. The location falls within the subarctic climate zone with cold winters and potential ice conditions.

Nearby lighthouses in US: Other lighthouses in the region include Abagadasset Point Range, Absecon, Admiralty Head Light, Ahukini Breakwater, Alameda County (Oakland Area) Lighthouses. View all on the Lighthouses Directory.

Nearby Ports

HOONAH

USHNH

7 NMWSW

Excursion Inlet

USEXI

15.8 NMNNW

Pleasant Island

USPI7

16 NMNW

Hawk Inlet

USHWI

16 NME

Gustavus

USGST

19.7 NMNW

Flash Characteristics

Characteristic Signature
Fl White 4s
Flash Type
Flashing
Light Color
White
Flash Count
0 flashes
Interval
4s

Physical Specifications

Focal Height
21m
Light Range
Not available
Status
ACTIVE
City
—
Country
🇺🇸US
Latitude
58.1712°
Longitude
-135.2588°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify The Sisters Lighthouse at night?+
The Sisters displays the characteristic Fl White 4s. 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does The Sisters Lighthouse guide vessels into?+
The Sisters Lighthouse assists vessels approaching 5 nearby ports. The closest is HOONAH at 7 NM to the WSW. Other ports served include Excursion Inlet (15.8 NM NNW), Pleasant Island (16 NM NW), Hawk Inlet (16 NM E), Gustavus (19.7 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is The Sisters Lighthouse still active and maintained?+
Yes, The Sisters 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 The Sisters Lighthouse?+
You can track vessels near The Sisters 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.