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

Takashima (Okuti Wan) South Breakwater Lighthouse

Fl Green 3s🇯🇵Seiyo, JPOperational

Marking the end of the south breakwater in Okuti Wan, Japan, this light aids navigation within the bay. It is situated in Seiyo, Ehime Prefecture, guiding vessels into the harbor. The structure's focal height reaches 12 meters, and its geographic range extends for 11 nautical miles. A single green flash occurs every three seconds, providing a clear signal to mariners. The light helps define safe passage, particularly for local fishing boats and smaller craft seeking shelter or approaching the port.

Why it matters: This light is essential for the safe entry and exit of vessels from Okuti Wan, clearly marking the south breakwater's extremity.

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
Seiyo
Country
🇯🇵Japan
Region
Ehime Prefecture
Sea Region
Okuti Wan, Japan, marking the south breakwater of Takashima
Latitude
33.3439°
Longitude
132.3788°
Flag
Type
Name
Dist.
Tower Color
white

Structure: The Takashima (Okuti Wan) South Breakwater light guides mariners navigating the waters of Okuti Wan in Japan. Positioned at the very end of the south breakwater, it helps define the safe passage into the harbor, particularly for local fishing boats and smaller vessels seeking shelter or making their way to port. The surrounding area likely features the calm, protected waters of the bay, perhaps with views of the Japanese coastline and distant hills, creating a serene yet vital maritime environment. While its specific construction history is not detailed, such lights are fundamental for maritime safety, ensuring that vessels can safely approach or depart the busy coastal areas, especially during low visibility or at night. Today, this light remains active, continuing its essential role in the daily rhythm of the bay. Its green flash, appearing every three seconds, offers a constant, reassuring pulse against the evening sky, a quiet presence for those who depend on the sea for their livelihood and for the safe passage of all who traverse these coastal waters.

Nearest Port
Ohshima, Ehime(3.1 km)
Admiralty No.
M5622.5
NGA No.
10396
Live tracking · 50,000+ mariners

Find Takashima (Okuti Wan) 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 Takashima (Okuti Wan) South Breakwater Lighthouse at night?+
Takashima (Okuti Wan) South Breakwater 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 Takashima (Okuti Wan) South Breakwater Lighthouse guide vessels into?+
Takashima (Okuti Wan) South Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Mikame at 6.6 NM to the NNE. Other ports served include Yawatahama (7 NM NNE), Tamatsu, Ehime (7.2 NM ESE), Kawanoishi (7.7 NM N), Ikata (8.4 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Takashima (Okuti Wan) South Breakwater Lighthouse still active and maintained?+
Yes, Takashima (Okuti Wan) 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 Takashima (Okuti Wan) South Breakwater Lighthouse?+
Takashima (Okuti Wan) 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 Takashima (Okuti Wan) South Breakwater Lighthouse?+
You can track vessels near Takashima (Okuti Wan) 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.