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Hiroshima East Breakwater Lighthouse

Occ R 4s🇯🇵Okayama and Hiroshima, JPOperational

Location & Light Range

About Hiroshima East Breakwater Lighthouse

This lighthouse displays an isophase red light, cycling every 6 seconds. Its focal plane stands 17 meters above sea level. The light reaches a geographic range of 8 nautical miles. It is situated to aid navigation in the vicinity of Okayama and Hiroshima.

Light & Optic

Characteristic Signature
Occ R 4s
Flash Type
Occ
Light Color
Red
Flash Count
1 flash
Interval
4s
Raw Code
Iso.R. period 6s
Focal Height
17m
Geographic Range
8NM

References & Identifiers

Admiralty No.
M5687.5
NGA No.
9008

Location

City
Okayama and Hiroshima
Country
🇯🇵JP
Latitude
34.3454°
Longitude
132.4562°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Hiroshima East Breakwater Lighthouse at night?+
Hiroshima East Breakwater displays the characteristic Occ R 4s — 1 red flash every 4 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 Hiroshima East Breakwater Lighthouse guide vessels into?+
Hiroshima East Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Chitose, Hiroshima at 0.6 NM to the ENE. Other ports served include Fukae, Hiroshima (0.6 NM ENE), Kawajiri, Hiroshima (0.6 NM ENE), Nakahama, Hiroshima (0.6 NM ENE), Nakata, Hiroshima (0.6 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hiroshima East Breakwater Lighthouse still active and maintained?+
Yes, Hiroshima East 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 Hiroshima East Breakwater Lighthouse?+
Hiroshima East 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 Hiroshima East Breakwater Lighthouse?+
You can track vessels near Hiroshima East 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.