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Habomai Kō South Breakwater Lighthouse

Fl Green 3s🇯🇵Nemuro, JPOperational

Location & Light Range

About Habomai Kō South Breakwater Lighthouse

This green lighthouse, built in 1967, is a concrete, cylindrical tower with an hourglass shape, standing 11 meters tall. It is situated at the eastern end of the detached outer breakwater for Habomai Kō. The light emits a green flash every three seconds, visible for 11 nautical miles. The tower features a lantern and gallery and stands 12 meters above sea level. Its nearest port is Nemuro, approximately 8 kilometers away.

Why it matters: This lighthouse marks the eastern end of the detached outer breakwater, guiding vessels into Habomai Kō and preventing collisions with the submerged structure. Its hourglass form also serves as a recognizable landmark for local mariners.

Light & Optic

Characteristic Signature
Fl Green 3s
Flash Type
Flashing
Light Color
Green
Interval
3s
Raw Code
Fl G 3s
Focal Height
12m
Geographic Range
11NM

Construction & History

Year Built
1967

References & Identifiers

Nearest Port
Nemuro(8.0 km)
Admiralty No.
M6839.4
NGA No.
0464
ARLHS No.
JPN-856

Tower & Structure

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

Structure: round hourglass-shaped concrete tower with lantern and gallery

Location

City
Nemuro
Country
🇯🇵Japan
Region
Hokkaido Prefecture
Sea Region
East end of the detached outer breakwater at Habomai.
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 Breakwater Lighthouse at night?+
Habomai Kō South Breakwater displays the characteristic Fl Green 3s. 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 Breakwater Lighthouse guide vessels into?+
Habomai Kō South 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 Breakwater Lighthouse still active and maintained?+
Yes, Habomai Kō 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 Habomai Kō South Breakwater Lighthouse?+
You can track vessels near Habomai Kō 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.