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Akkeshi Kō Lighthouse

Fl (2) Red 6s🇯🇵Akkeshi, JPOperational

Location & Light Range

About Akkeshi Kō Lighthouse

Akkeshi Kō lighthouse is a red, cylindrical concrete tower that stands 11 meters tall. It features a lantern and gallery and is situated at the northern end of Akkeshi's detached outer breakwater. The light emits a single red flash every six seconds, visible for 11.6 nautical miles. This structure serves as a clear indicator of the breakwater's full extent, helping to prevent navigation hazards. It is located 0.2 kilometers from the nearest port, Akkeshi.

Why it matters: This lighthouse is indispensable for safe navigation into Akkeshi harbor, delineating the northern end of the detached outer breakwater and preventing vessel collisions.

Light & Optic

Characteristic Signature
Fl (2) Red 6s
Flash Type
Flashing
Light Color
Red
Flash Count
2 flashes
Interval
6s
Raw Code
Fl R 6s
Focal Height
14m
Geographic Range
11.6NM

Location

City
Akkeshi
Country
🇯🇵Japan
Region
Hokkaido Prefecture
Sea Region
Located at the north end of the detached outer breakwater of Akkeshi.
Latitude
43.0408°
Longitude
144.8302°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

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

Structure: round cylindrical concrete tower with lantern and gallery

References & Identifiers

Nearest Port
Akkeshi(0.2 km)
Admiralty No.
M6829
NGA No.
0504
ARLHS No.
JPN-844
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Frequently Asked Questions

How do mariners identify Akkeshi Kō Lighthouse at night?+
Akkeshi Kō displays the characteristic Fl (2) Red 6s — 2 red flashes every 6 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Akkeshi Kō Lighthouse guide vessels into?+
Akkeshi Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Akkeshi at 0.8 NM to the ENE. Other ports served include Kiritappu (13.2 NM ENE), Shiro (20.6 NM W), Kushiro (20.9 NM W), Hanasaki (35.7 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Akkeshi Kō Lighthouse still active and maintained?+
Yes, Akkeshi Kō 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 Akkeshi Kō Lighthouse?+
You can track vessels near Akkeshi Kō 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.