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Hanasaki Detached Breakwater Lighthouse

Fl G 3s🇯🇵Eastern Hokkaidō, JPOperational

Location & Light Range

About Hanasaki Detached Breakwater Lighthouse

This white cylindrical concrete tower stands 33 meters tall, with its light positioned 15 meters above sea level. Built and first lit in 1997, the structure is located at the southeastern end of a detached breakwater. This breakwater provides protection for the harbor of Hanasaki. The lighthouse emits a single green flash every three seconds. Its geographic range is 5 nautical miles.

Light & Optic

Characteristic Signature
Fl G 3s
Flash Type
Flashing
Light Color
Green
Flash Count
1 flash
Interval
3s
Raw Code
Fl.G
Focal Height
15m
Geographic Range
5NM

Construction & History

Year Built
1997

References & Identifiers

Admiralty No.
M6837.5
NGA No.
0474

Tower & Structure

Tower Height
33m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: White tower; 33

Location

City
Eastern Hokkaidō
Country
🇯🇵JP
Latitude
43.2692°
Longitude
145.5777°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Hanasaki Detached Breakwater Lighthouse at night?+
Hanasaki Detached 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 Hanasaki Detached Breakwater Lighthouse guide vessels into?+
Hanasaki Detached Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Hanasaki at 0.7 NM to the N. Other ports served include Nasa (0.9 NM NNE), Nemuro (3.9 NM N), Kiritappu (22.7 NM WSW), Shibetsu (30.4 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hanasaki Detached Breakwater Lighthouse still active and maintained?+
Yes, Hanasaki Detached 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 Hanasaki Detached Breakwater Lighthouse?+
You can track vessels near Hanasaki Detached 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.