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Onisaki (Onizaki, Oniga Saki) North Breakwater Lighthouse

F red 8s🇯🇵Tokoname, JPOperational

Location & Light Range

About Onisaki (Onizaki, Oniga Saki) North Breakwater Lighthouse

The Onisaki North Breakwater Lighthouse was built in 1956 on the northern arm of its namesake breakwater in Tokoname, Aichi Prefecture, Japan. Known also as Onizaki or Oniga Saki, this operational lighthouse emits a red light with a characteristic of a single red flash every 5.6 seconds. Its beam reaches 11 nautical miles, guiding vessels entering and leaving the local harbor. The lighthouse stands 12 meters above sea level. While the surrounding site is open to visitors who can enjoy the coastal views, the tower itself is closed to the public to maintain its operational function.

Why it matters: This lighthouse specifically marks the end of the Onisaki North Breakwater, preventing collisions with the structure and ensuring safe passage for vessels into the protected harbor.

Light & Optic

Characteristic Signature
F red 8s
Flash Type
Fixed
Light Color
red
Interval
8s
Raw Code
F.R. 56
Focal Height
12m
Geographic Range
11NM

Construction & History

Year Built
1956

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Color
white

Structure: The Onisaki North Breakwater Lighthouse, situated on the northern arm of the breakwater in Japan, has been a guiding presence since its construction in 1956. This active light helps mariners navigate the waters around Onisaki, a place known by several names including Onizaki and Oniga Saki. Its purpose is clear: to mark the protective barrier of the breakwater, ensuring safe passage for ships approaching or departing the harbor. While the specific details of its design are not widely publicized, its function as a navigational aid remains constant. Today, visitors are welcome to explore the site around the lighthouse, enjoying the coastal views and the maritime atmosphere. However, the tower itself remains closed to public access, preserving its operational integrity. It continues its quiet vigil, a steadfast point of reference against the backdrop of the Japanese coastline.

Location

City
Tokoname
Country
🇯🇵Japan
Region
Aichi Prefecture
Sea Region
Located on the Onisaki (Onizaki, Oniga Saki) North Breakwater in Japan, guiding vessels in and out of the local harbor.
Latitude
34.9046°
Longitude
136.8207°

References & Identifiers

Nearest Port
Tokoname(2.7 km)
Admiralty No.
M6137
NGA No.
6124
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Frequently Asked Questions

How do mariners identify Onisaki (Onizaki, Oniga Saki) North Breakwater Lighthouse at night?+
Onisaki (Onizaki, Oniga Saki) North Breakwater displays the characteristic F red 8s. 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Onisaki (Onizaki, Oniga Saki) North Breakwater Lighthouse guide vessels into?+
Onisaki (Onizaki, Oniga Saki) North Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Tokoname at 2 NM to the SSE. Other ports served include Kinuura (7.1 NM ESE), Take (7.2 NM ESE), Tokonami (7.2 NM ESE), Taketoyo (7.2 NM ESE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Onisaki (Onizaki, Oniga Saki) North Breakwater Lighthouse still active and maintained?+
Yes, Onisaki (Onizaki, Oniga Saki) North 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 Onisaki (Onizaki, Oniga Saki) North Breakwater Lighthouse?+
Onisaki (Onizaki, Oniga Saki) North 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 Onisaki (Onizaki, Oniga Saki) North Breakwater Lighthouse?+
You can track vessels near Onisaki (Onizaki, Oniga Saki) North 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.