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Saigō Wan Breakwater West End Lighthouse

Fl (3) Red 10s🇯🇵Okinoshima, JPOperational

Location & Light Range

About Saigō Wan Breakwater West End Lighthouse

This red, cylindrical concrete tower stands 10.5 meters tall with its light positioned 12 meters above sea level. Located at the southwest end of Saigō harbor's detached breakwater in Okinoshima, Shimane Prefecture, Japan, it emits a red flash every 10 seconds. The lighthouse has a geographic range of 11 nautical miles. While the site is accessible, the tower itself is closed to the public. The nearest port, Okinokojima, is just 0.3 kilometers away.

Why it matters: This lighthouse is critical for the safe navigation of ships entering and departing Saigō harbor, specifically marking the detached breakwater's western end. Its distinct red flashes prevent vessels from colliding with this submerged hazard, ensuring smooth maritime operations within the bay.

Light & Optic

Characteristic Signature
Fl (3) Red 10s
Flash Type
Flashing
Light Color
Red
Flash Count
3 flashes
Interval
10s
Raw Code
Fl R 10s
Focal Height
12m
Geographic Range
11NM

Location

City
Okinoshima
Country
🇯🇵Japan
Region
Shimane Prefecture
Sea Region
Located at the southwest end of the detached breakwater of Saigō harbor.
Latitude
36.2025°
Longitude
133.3315°

References & Identifiers

Nearest Port
Okinokojima(0.3 km)
Admiralty No.
M7320.5.

Tower & Structure

Tower Height
10.5m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: round cylindrical concrete tower

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Saigō Wan Breakwater West End Lighthouse at night?+
Saigō Wan Breakwater West End displays the characteristic Fl (3) Red 10s — 3 red flashes every 10 seconds. 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 Saigō Wan Breakwater West End Lighthouse guide vessels into?+
Saigō Wan Breakwater West End Lighthouse assists vessels approaching 5 nearby ports. The closest is Oki at 0.5 NM to the NE. Other ports served include Chichii (12.9 NM SW), Ama, Hyogo (13.2 NM WSW), Nakanoshima (13.7 NM WSW), Minami (13.8 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Saigō Wan Breakwater West End Lighthouse still active and maintained?+
Yes, Saigō Wan Breakwater West End 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 Saigō Wan Breakwater West End Lighthouse?+
Saigō Wan Breakwater West End 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 Saigō Wan Breakwater West End Lighthouse?+
You can track vessels near Saigō Wan Breakwater West End 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.