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Kō West Breakwater Lighthouse

Fl R 3s🇯🇵Western Hokkaidō, JPOperational

Location & Light Range

About Kō West Breakwater Lighthouse

This breakwater light emits a single green flash every 3 seconds. Its structure reaches a focal height of 12 meters above sea level. The light's geographic range extends to 7 nautical miles. It provides a red light characteristic. The facility is currently operational.

Light & Optic

Characteristic Signature
Fl R 3s
Flash Type
Flashing
Light Color
Red
Flash Count
1 flash
Interval
3s
Raw Code
Fl.G. period 3s
Focal Height
12m
Geographic Range
7NM

References & Identifiers

Admiralty No.
M6975.5
NGA No.
1240

Location

City
Western Hokkaidō
Country
🇯🇵JP
Latitude
43.3982°
Longitude
141.4276°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Kō West Breakwater Lighthouse at night?+
Kō West Breakwater displays the characteristic Fl R 3s — 1 red flash every 3 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. The red color may indicate a specific sector or warning zone.
Which ports and harbors does Kō West Breakwater Lighthouse guide vessels into?+
Kō West Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Ishikariwan Shinko at 4.3 NM to the SE. Other ports served include Wan (10.3 NM SSW), Wakkanai (11.2 NM E), Ishikariwan Shinko (12.2 NM SSW), Ishikari (13 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kō West Breakwater Lighthouse still active and maintained?+
Yes, Kō West Breakwater 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 Kō West Breakwater Lighthouse?+
You can track vessels near Kō West Breakwater 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.