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Mutsu Se Lighthouse

Fl (3) White 10s🇯🇵Imabari, JPOperational

Location & Light Range

About Mutsu Se Lighthouse

Mutsu Se Lighthouse was constructed in 1945 and first lit in the same year. It is a cylindrical concrete tower standing 8 meters tall, with its light positioned 11 meters above sea level. The structure is mounted on a concrete pier that rises from a reef off the southeastern coast of Hakata Shima. The tower is painted black with a single yellow horizontal band. Its white light emits one flash every 10 seconds, visible for 10.7 nautical miles. The lighthouse is located 1.4 kilometers from Hakatashima, the nearest port.

Why it matters: This lighthouse warns mariners of the reef it occupies, preventing groundings and ensuring safe passage in this busy coastal area.

Light & Optic

Characteristic Signature
Fl (3) White 10s
Flash Type
Flashing
Light Color
White
Flash Count
3 flashes
Interval
10s
Raw Code
Fl W 10s
Focal Height
11m
Geographic Range
10.7NM

Construction & History

Year Built
1945

References & Identifiers

Nearest Port
Hakatashima(1.4 km)
Admiralty No.
M5477
NGA No.
8568
USCG No.
JCG-4514

Tower & Structure

Tower Height
8m
Tower Shape
cylindrical
Tower Color
black with one yellow horizontal band
Material
concrete

Structure: round concrete tower, mounted on a concrete pier

Location

City
Imabari
Country
🇯🇵Japan
Region
Ehime Prefecture
Sea Region
on a reef off the southeastern tip of Hakata Shima
Latitude
34.1946°
Longitude
133.1298°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Mutsu Se Lighthouse at night?+
Mutsu Se displays the characteristic Fl (3) White 10s — 3 white 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Mutsu Se Lighthouse guide vessels into?+
Mutsu Se Lighthouse assists vessels approaching 5 nearby ports. The closest is Hakatashima at 1.1 NM to the NW. Other ports served include Yoshiumi (5.2 NM WSW), Yuge (5.3 NM NE), Katashima (6 NM NNE), Setoda (6 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Mutsu Se Lighthouse still active and maintained?+
Yes, Mutsu Se 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 Mutsu Se Lighthouse?+
Mutsu Se 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 Mutsu Se Lighthouse?+
You can track vessels near Mutsu Se 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.