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

Narao Minami Kō (South Harbor) South Breakwater Lighthouse

Fl Green 6s🇯🇵Shinkamigotō, JPOperational

This green flashing light is located at the seaward end of the south breakwater for Narao Minami Kō (South Harbor) in Shinkamigotō, Japan. It emits a single green flash every six seconds from a focal height of 15 meters. The light has a geographic range of 11.9 nautical miles. Its position clearly marks the safe channel for vessels entering and departing the harbor. The site surrounding the light is accessible to the public, though the tower itself is not open for climbing. It continues to provide active service for maritime navigation.

Why it matters: The light delineates the critical south breakwater, which defines the entrance to Narao Minami Kō, ensuring safe passage for all vessels utilizing the harbor.

Characteristic Signature
Fl Green 6s
Flash Type
Flashing
Light Color
Green
Interval
6s
Raw Code
Fl G 6s
Focal Height
15m
Geographic Range
11.9NM
City
Shinkamigotō
Country
🇯🇵Japan
Region
Nagasaki Prefecture
Sea Region
Located on the south breakwater of Narao Minami Kō (South Harbor) in Japan.
Latitude
32.8387°
Longitude
129.0661°
Nearest Port
Shukunoura(3.4 km)
Admiralty No.
M5010.2
ARLHS No.
JPN-2211

Structure: The Narao Minami Kō (South Harbor) South Breakwater light stands vigil at the entrance to Narao Minami Kō in Japan, a crucial aid for vessels navigating these waters. Positioned firmly at the seaward end of the south breakwater, it clearly delineates the safe channel for ships entering and departing the busy harbor. While the specific details of its initial construction or any dramatic historical events remain largely unrecorded, its consistent operation has been integral to the port's daily rhythm for years. From its focal plane at 15 meters above the water, the light emits a distinctive pattern of green flashes every six seconds, a familiar signal to local fishermen returning with their catch and larger commercial vessels seeking safe harbor. Today, the light continues its active service, a quiet guardian of the port. The surrounding site is open for public access, allowing visitors to appreciate the maritime environment and the light's role, though the tower itself remains closed to ascents. It embodies the practical, ongoing commitment to navigational safety within this vibrant Japanese harbor.

Open to public
Site open, tower closed
Flag
Type
Name
Dist.
Live tracking · 50,000+ mariners

Find Narao Minami Kō (South Harbor) South Breakwater 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
How do mariners identify Narao Minami Kō (South Harbor) South Breakwater Lighthouse at night?+
Narao Minami Kō (South Harbor) South Breakwater displays the characteristic Fl 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 Narao Minami Kō (South Harbor) South Breakwater Lighthouse guide vessels into?+
Narao Minami Kō (South Harbor) South Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Arao at 0.1 NM to the W. Other ports served include Narao (0.1 NM W), Aokata (8.7 NM N), Arikawa (8.7 NM N), Enokizu (8.7 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Narao Minami Kō (South Harbor) South Breakwater Lighthouse still active and maintained?+
Yes, Narao Minami Kō (South Harbor) 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.
What shipping routes pass near Narao Minami Kō (South Harbor) South Breakwater Lighthouse?+
Narao Minami Kō (South Harbor) South Breakwater 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 Narao Minami Kō (South Harbor) South Breakwater Lighthouse?+
You can track vessels near Narao Minami Kō (South Harbor) 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.