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Nakajima Lighthouse

Fl Green 3s🇯🇵Anan, JPOperational

Also known as: Nakajima (Nakazima) Kō (?)

The Nakajima Lighthouse, located in Anan, Tokushima Prefecture, Japan, is a round, concrete tower colored black. Its light source is positioned 12 meters above sea level and produces a green flash with a three-second period (Fl G 3s), observable up to 11 nautical miles away. Situated 0.5 kilometers from the nearest port, Tachibana, this structure continues to function as an active navigation aid, assisting craft in the local Japanese waters.

Why it matters: This lighthouse is important for local maritime safety, particularly for fishing vessels and smaller boats. Its unique green flashing signal provides a navigation reference point within Japan's complex coastal areas.

Characteristic Signature
Fl Green 3s
Flash Type
Flashing
Light Color
Green
Interval
3s
Raw Code
Fl G 3s
Focal Height
12m
Geographic Range
11NM
City
Anan
Country
🇯🇵Japan
Region
Tokushima Prefecture
Sea Region
coastal waters of Japan
Latitude
33.8763°
Longitude
134.6729°
Flag
Type
Name
Dist.
Tower Shape
round
Tower Color
black
Material
concrete

Structure: Nakajima Lighthouse, a modest yet vital presence along Japan's intricate coastline, quietly guides mariners through its local waters. While specific details of its construction or early days remain unrecorded in this brief history, its purpose has always been clear: to ensure safe passage for the fishing fleets and smaller vessels that ply these shores. The lighthouse emits a steady green flash every three seconds, a distinctive signal that helps navigators orient themselves amidst the often-challenging coastal conditions, especially during the misty mornings or dark nights common in this region. Today, it remains an active aid to navigation, a testament to the enduring need for reliable markers in busy maritime environments. Though perhaps not a grand, towering structure, its consistent light is a familiar and reassuring sight for those who depend on the sea for their livelihood, embodying the quiet dedication to safety that defines Japan's coastal communities. Visitors might find it nestled on a small headland, offering serene views of the surrounding sea and a quiet moment to appreciate its enduring role.

Nearest Port
Tachibana(0.5 km)
Admiralty No.
M5571
NGA No.
7076
ARLHS No.
JPN-2545
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How do mariners identify Nakajima Lighthouse at night?+
Nakajima displays the characteristic Fl Green 3s. 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 Nakajima Lighthouse guide vessels into?+
Nakajima Lighthouse assists vessels approaching 5 nearby ports. The closest is Anan at 0.7 NM to the SSW. Other ports served include Tachibana (0.8 NM WNW), Tomioka, Tokushima (3.4 NM N), Yuki (7.5 NM SSW), Yuki (7.8 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Nakajima Lighthouse still active and maintained?+
Yes, Nakajima 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 Nakajima Lighthouse?+
Nakajima 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 Nakajima Lighthouse?+
You can track vessels near Nakajima 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.