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Habomai Kō South Outer Breakwater Lighthouse

Fl Green 4s🇯🇵Nemuro, JPOperational

Location & Light Range

About Habomai Kō South Outer Breakwater Lighthouse

This lighthouse, built in 1985, is a white, cylindrical concrete tower with a lantern and gallery. It stands 11 meters tall, with its light positioned 13 meters above sea level. The structure is located on the seaward spur of the detached outer breakwater at Habomai, a fishing port situated about 8 kilometers southeast of Cape Noshappu. It emits a green flash every four seconds, visible for 11.3 nautical miles. This active aid guides vessels approaching the port.

Why it matters: This lighthouse is essential for fishing vessels navigating the entrance to Habomai port, clearly marking the safe passage to avoid the detached outer breakwater and supporting the local fishing industry.

Light & Optic

Characteristic Signature
Fl Green 4s
Flash Type
Flashing
Light Color
Green
Interval
4s
Raw Code
Fl G 4s
Focal Height
13m
Geographic Range
11.3NM

Construction & History

Year Built
1985

References & Identifiers

Nearest Port
Nemuro(8.0 km)
Admiralty No.
M6839.2
NGA No.
0468
ARLHS No.
JPN-855

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery

Location

City
Nemuro
Country
🇯🇵Japan
Region
Hokkaido Prefecture
Sea Region
Located on the seaward spur of the detached outer breakwater at Habomai, a fishing port about 8 km (5 mi) southeast of Cape Noshappu.
Latitude
43.3395°
Longitude
145.7638°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Habomai Kō South Outer Breakwater Lighthouse at night?+
Habomai Kō South Outer Breakwater displays the characteristic Fl Green 4s. 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 Habomai Kō South Outer Breakwater Lighthouse guide vessels into?+
Habomai Kō South Outer Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Nemuro at 7.9 NM to the W. Other ports served include Nasa (8.6 NM WSW), Hanasaki (8.9 NM WSW), Kiritappu (31.8 NM WSW), Shibetsu (33.5 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Habomai Kō South Outer Breakwater Lighthouse still active and maintained?+
Yes, Habomai Kō South Outer 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 Habomai Kō South Outer Breakwater Lighthouse?+
You can track vessels near Habomai Kō South Outer 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.