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Shakotan Lighthouse

Fl W 5s🇯🇵Western Hokkaidō, JPOperational

Location & Light Range

About Shakotan Lighthouse

The Shakotan Lighthouse displays a white light with a single flash every 5 seconds. Its focal height reaches 141 meters above sea level. This navigational aid serves the coastal waters of Western Hokkaidō. The light's characteristic is designed for clear identification by mariners.

Why it matters: This lighthouse has a geographic range of 19 nautical miles.

Light & Optic

Characteristic Signature
Fl W 5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5s
Raw Code
Fl.W. period 5s
Focal Height
141m
Geographic Range
19NM

References & Identifiers

Admiralty No.
M7003
NGA No.
1180

Location

City
Western Hokkaidō
Country
🇯🇵JP
Latitude
43.3733°
Longitude
140.4815°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Shakotan Lighthouse at night?+
Shakotan 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 Shakotan Lighthouse guide vessels into?+
Shakotan Lighthouse assists vessels approaching 5 nearby ports. The closest is Furubira at 9.1 NM to the SE. Other ports served include Yoichi (16.6 NM SE), Iwanai (23 NM S), Otaru (25.6 NM ESE), Suttsu (36.1 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Shakotan Lighthouse still active and maintained?+
Yes, Shakotan 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 Shakotan Lighthouse?+
You can track vessels near Shakotan 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.