Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Setana Kō Lighthouse

Oc Green 6s🇯🇵Setana, JPOperational

Location & Light Range

About Setana Kō Lighthouse

This white, cylindrical concrete tower stands 10 meters tall, with its lantern and gallery situated at a focal height of 15 meters. It is positioned at the end of the south inner breakwater that protects Setana Harbor. The lighthouse emits a green occulting light, which flashes once every 6 seconds. Its geographic range extends to 11.9 nautical miles. The structure is located 0.1 kilometers from the nearest port, Setana.

Why it matters: This light aids navigation into Setana Harbor, guiding vessels away from the breakwater and into the protected basin.

Light & Optic

Characteristic Signature
Oc Green 6s
Flash Type
Occulting
Light Color
Green
Interval
6s
Raw Code
Oc G 6s
Focal Height
15m
Geographic Range
11.9NM

Location

City
Setana
Country
🇯🇵Japan
Region
Hokkaido Prefecture
Sea Region
end of the south inner breakwater protecting the harbor of Setana
Latitude
42.4511°
Longitude
139.8421°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery

References & Identifiers

Nearest Port
Setana(0.1 km)
Admiralty No.
M7018
NGA No.
1112
USCG No.
JCG-0606
Live tracking · 50,000+ mariners

Find Setana Kō Lighthouse on the live nautical map

Plan voyages near Japan, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Setana Kō Lighthouse at night?+
Setana Kō displays the characteristic Oc Green 6s. 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 Setana Kō Lighthouse guide vessels into?+
Setana Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Setana at 0.2 NM to the SE. Other ports served include Okushiri (21.7 NM SW), Suttsu (27.2 NM NE), Aonae (29.2 NM SW), Motomachi (31.6 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Setana Kō Lighthouse still active and maintained?+
Yes, Setana 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 Setana Kō Lighthouse?+
You can track vessels near Setana 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.