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Akadomari Ko Lighthouse

Fl (2) G 7s🇯🇵Honshu-Northwest Coast, JPOperational

Akadomari Ko Lighthouse is a maritime navigation aid located in Honshu-Northwest Coast, JP. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 12 meters above mean sea level. Under standard atmospheric conditions, the light is visible up to 7 nautical miles (approximately 13.0 km) from the observer.

Light characteristic: The identifying signal of this lighthouse is Fl (2) G 7s. This means the light produces 2 flashes every 7 seconds. Mariners use this distinctive pattern to positively identify the light and distinguish it from other aids to navigation in the area. The light color is green, which may indicate a specific sector or warning zone.

Visibility and range: With a focal height of 12 meters and a nominal range of 7 nautical miles, this light serves as a local navigation aid for vessels operating in nearshore waters. While its range is limited, it provides essential guidance for coastal traffic, fishing vessels, and smaller craft in the immediate area.

Position: Akadomari Ko Lighthouse is positioned at 37.8682°N, 138.4205°E, near Honshu-Northwest Coast in JP. The blue circle on the map represents the nominal 7-nautical-mile range of the light.

Geographic context: Akadomari Ko Lighthouse is situated on the Sea of Japan, within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. The location falls within the temperate maritime climate zone.

Nearby lighthouses in JP: Other lighthouses in the region include Abashiri East Breakwater, Abashiri Island Breakwater North End, Abashiri North Breakwater, Abashiri South Breakwater East End, Abuka Kō. View all on the Lighthouses Directory.

Characteristic Signature
Fl (2) G 7s
Flash Type
Flashing
Light Color
Green
Flash Count
2 flashes
Interval
7s
Focal Height
12m
Light Range
7NM (13.0 km)
Status
ACTIVE
City
Honshu-Northwest Coast
Country
🇯🇵JP
Latitude
37.8682°
Longitude
138.4205°
Flag
Type
Name
Dist.
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How far offshore can Akadomari Ko Lighthouse be seen?+
With a focal height of 12 meters and a nominal range of 7 nautical miles (approximately 13.0 km), Akadomari Ko is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.
How do mariners identify Akadomari Ko Lighthouse at night?+
Akadomari Ko displays the characteristic Fl (2) G 7s — 2 green flashes every 7 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 Akadomari Ko Lighthouse guide vessels into?+
Akadomari Ko Lighthouse assists vessels approaching 5 nearby ports. The closest is Akadomari at 0.2 NM to the N. Other ports served include OTA (4 NM NE), Hamochi (5.8 NM WSW), Ogi, Niigata (7.2 NM WSW), Futami, Niigata (10 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Akadomari Ko Lighthouse still active and maintained?+
Yes, Akadomari Ko 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.
What shipping routes pass near Akadomari Ko Lighthouse?+
Akadomari Ko Lighthouse is located within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Akadomari Ko Lighthouse?+
You can track vessels near Akadomari Ko 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.