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Otiisi Kō West Breakwater Lighthouse

Fl G 3s🇯🇵Eastern Hokkaidō, JPOperational

Location & Light Range

About Otiisi Kō West Breakwater Lighthouse

This breakwater light is situated in Eastern Hokkaidō. Its focal height measures 12 meters above sea level. The light emitted is green, serving to mark the western breakwater of Otiisi Harbor.

Light & Optic

Characteristic Signature
Fl G 3s
Flash Type
Flashing
Light Color
Green
Flash Count
1 flash
Interval
3s
Focal Height
12m

Nearby Vessels

Flag
Type
Name
Dist.

Location

City
Eastern Hokkaidō
Country
🇯🇵JP
Latitude
43.1839°
Longitude
145.5140°
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Frequently Asked Questions

How do mariners identify Otiisi Kō West Breakwater Lighthouse at night?+
Otiisi Kō West Breakwater displays the characteristic Fl G 3s — 1 green 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Otiisi Kō West Breakwater Lighthouse guide vessels into?+
Otiisi Kō West Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Hanasaki at 6.4 NM to the NNE. Other ports served include Nasa (6.7 NM NNE), Nemuro (9.5 NM NNE), Kiritappu (18 NM WSW), Akkeshi (30.4 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Otiisi Kō West Breakwater Lighthouse still active and maintained?+
Yes, Otiisi 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 Otiisi Kō West Breakwater Lighthouse?+
You can track vessels near Otiisi 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.