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North Breakwater Lighthouse

Fl G 3s🇯🇵Rishiri and Rebun, Hokkaido, JPOperational

Location & Light Range

About North Breakwater Lighthouse

This navigational aid displays a single green flash every 3 seconds. Its focal height reaches 12 meters above sea level, providing a geographic range of 5 nautical miles. The lighthouse operates on the northern coast of Hokkaido, serving the Rishiri and Rebun areas.

Light & Optic

Characteristic Signature
Fl G 3s
Flash Type
Flashing
Light Color
Green
Flash Count
1 flash
Interval
3s
Raw Code
Fl.G. period 3s
Focal Height
12m
Geographic Range
5NM

References & Identifiers

Admiralty No.
M6919
NGA No.
1420

Location

City
Rishiri and Rebun, Hokkaido
Country
🇯🇵JP
Latitude
45.2523°
Longitude
141.1857°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify North Breakwater Lighthouse at night?+
North 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 North Breakwater Lighthouse guide vessels into?+
North Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Oshidomari at 2 NM to the ESE. Other ports served include Shido (2 NM ESE), Kutsugata (4.3 NM SSW), Kafuka (6.4 NM WNW), Fukai (7.6 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is North Breakwater Lighthouse still active and maintained?+
Yes, North 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 North Breakwater Lighthouse?+
You can track vessels near North 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.