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Komatsushima South Breakwater Lighthouse

Iso G 6s🇯🇵Eastern Shikoku, JPOperational

Location & Light Range

About Komatsushima South Breakwater Lighthouse

This breakwater light is situated in Eastern Shikoku. It emits an isophase green light with a cycle of 6 seconds. The light has a focal height of 10 meters above sea level. Its geographic range extends to 5 nautical miles. The operational status ensures continuous guidance.

Light & Optic

Characteristic Signature
Iso G 6s
Flash Type
Isophase
Light Color
Green
Flash Count
1 flash
Interval
6s
Raw Code
Iso.G. period 6s
Focal Height
10m
Geographic Range
5NM

References & Identifiers

Admiralty No.
M5564
NGA No.
7092

Location

City
Eastern Shikoku
Country
🇯🇵JP
Latitude
34.0072°
Longitude
134.5977°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Komatsushima South Breakwater Lighthouse at night?+
Komatsushima South Breakwater displays the characteristic Iso G 6s — 1 green flash every 6 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Komatsushima South Breakwater Lighthouse guide vessels into?+
Komatsushima South Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Komatsushima at 0.8 NM to the SE. Other ports served include Tokushima (2.7 NM NNW), Imagire (6.2 NM N), Tomioka, Tokushima (6.2 NM SE), Tachibana (8.2 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Komatsushima South Breakwater Lighthouse still active and maintained?+
Yes, Komatsushima 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 Komatsushima South Breakwater Lighthouse?+
Komatsushima 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 Komatsushima South Breakwater Lighthouse?+
You can track vessels near Komatsushima 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.