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Alki Point Lighthouse

Fl W 5s🇺🇸Washington, USOperational

Location & Light Range

About Alki Point Lighthouse

Constructed in 1887, this lighthouse is situated on Alki Point, marking the southern entrance to Seattle's Elliott Bay on Puget Sound. The structure stands 11 meters tall and emits a white light. It remains an active navigational aid in Washington.

Why it matters: It is listed as number 16915 in the USCG light lists.

Background
The Alki Point Light is an active aid to navigation located on Puget Sound's Alki Point, the southern entrance to Seattle's Elliott Bay, King County, Washington. It is listed as Alki Point Light number 16915 in the USCG light lists.

Light & Optic

Characteristic Signature
Fl W 5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5s

Construction & History

Year Built
1887
Heritage Status
4

References & Identifiers

Wikipedia
Read on Wikipedia →
Wikidata
Q2641400 →
OpenStreetMap
View on OSM →

Tower & Structure

Tower Height
11m

Location

City
Washington
Country
🇺🇸US
Latitude
47.5762°
Longitude
-122.4206°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Alki Point Lighthouse at night?+
Alki Point displays the characteristic Fl W 5s — 1 white flash every 5 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 Alki Point Lighthouse guide vessels into?+
Alki Point Lighthouse assists vessels approaching 5 nearby ports. The closest is Harbor Island at 3 NM to the E. Other ports served include Seattle (3.5 NM NE), Port Blakely (3.8 NM WNW), Vashon Island (4.4 NM SSW), BAINBRIDGE ISLAND (4.9 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Alki Point Lighthouse still active and maintained?+
Yes, Alki Point 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.
What shipping routes pass near Alki Point Lighthouse?+
Alki Point Lighthouse is located within the US West Coast shipping lane — a major trans-Pacific trade route serving West Coast ports of the United States. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Alki Point Lighthouse?+
You can track vessels near Alki 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.