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Ōmu South Breakwater Lighthouse

Occ G 4s🇯🇵Northern Hokkaidō, JPOperational

Location & Light Range

About Ōmu South Breakwater Lighthouse

This breakwater light is situated in Northern Hokkaidō, Japan. It emits a green light from a focal height of 9 meters. The structure serves as a navigational aid on the coast.

Light & Optic

Characteristic Signature
Occ G 4s
Flash Type
Occ
Light Color
Green
Flash Count
1 flash
Interval
4s
Focal Height
9m

Nearby Vessels

Flag
Type
Name
Dist.

Location

City
Northern Hokkaidō
Country
🇯🇵JP
Latitude
44.5833°
Longitude
142.9670°
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Frequently Asked Questions

How do mariners identify Ōmu South Breakwater Lighthouse at night?+
Ōmu South Breakwater displays the characteristic Occ G 4s — 1 green flash every 4 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.
Is Ōmu South Breakwater Lighthouse still active and maintained?+
Yes, Ōmu South 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 Ōmu South Breakwater Lighthouse?+
You can track vessels near Ōmu South 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.