Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Oshidomari Kō Lighthouse

Fl (2) R 6s🇯🇵Rishiri and Rebun, Hokkaido, JPOperational

Location & Light Range

About Oshidomari Kō Lighthouse

The Oshidomari Kō Lighthouse is situated in the Rishiri and Rebun area of Hokkaido. It has a focal height of 15 meters above sea level. The light emits a single white flash every 15 seconds. This lighthouse has a geographic range of 21 nautical miles.

Light & Optic

Characteristic Signature
Fl (2) R 6s
Flash Type
Flashing
Light Color
Red
Flash Count
2 flashes
Interval
6s
Raw Code
Fl.W. period 15s
Focal Height
15m
Geographic Range
21NM

References & Identifiers

Admiralty No.
M6915
NGA No.
1372

Location

City
Rishiri and Rebun, Hokkaido
Country
🇯🇵JP
Latitude
45.2435°
Longitude
141.2363°

Nearby Vessels

Flag
Type
Name
Dist.
Live tracking · 50,000+ mariners

Find Oshidomari Kō Lighthouse on the live nautical map

Plan voyages near JP, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Oshidomari Kō Lighthouse at night?+
Oshidomari Kō displays the characteristic Fl (2) R 6s — 2 red flashes every 6 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 Oshidomari Kō Lighthouse guide vessels into?+
Oshidomari Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Oshidomari at 0.3 NM to the WSW. Other ports served include Shido (0.3 NM WSW), Kutsugata (5.3 NM SW), Oniwaki (7.2 NM SSE), Iwaki (7.4 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Oshidomari Kō Lighthouse still active and maintained?+
Yes, Oshidomari Kō 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 Oshidomari Kō Lighthouse?+
You can track vessels near Oshidomari Kō 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.