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Jōetsu East Breakwater Lighthouse

Fl Green 4s🇯🇵Kashiwazaki, JPOperational

Location & Light Range

About Jōetsu East Breakwater Lighthouse

This concrete lighthouse stands 9.5 meters tall on the east breakwater of Jōetsu. Its cylindrical tower, painted white with a single black horizontal band, is topped with a flared section. The light emits a green flash every 4 seconds, visible for 11.3 nautical miles. The structure includes a small equipment shelter attached to its base. While the breakwater site is accessible, the tower itself is closed to the public. The lighthouse is located near the port of Kashiwazaki.

Why it matters: This lighthouse marks the eastern breakwater for the industrial port of Jōetsu, guiding vessels entering and exiting the busy harbor.

Light & Optic

Characteristic Signature
Fl Green 4s
Flash Type
Flashing
Light Color
Green
Interval
4s
Raw Code
Fl G 4s
Focal Height
13m
Geographic Range
11.3NM

Location

City
Kashiwazaki
Country
🇯🇵Japan
Region
Niigata Prefecture
Sea Region
east breakwater of Jōetsu
Latitude
37.4418°
Longitude
138.5862°

References & Identifiers

Nearest Port
Kashiwazaki(4.1 km)
Admiralty No.
M7125.5
NGA No.
3202
USCG No.
1303.5
ARLHS No.
JPN-759

Tower & Structure

Tower Height
9.5m
Tower Shape
cylindrical
Tower Color
white with one black horizontal band
Material
concrete

Structure: round concrete tower with a flared top, attached to a small equipment shelter

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 Jōetsu East Breakwater Lighthouse at night?+
Jōetsu East Breakwater displays the characteristic Fl Green 4s. 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 Jōetsu East Breakwater Lighthouse guide vessels into?+
Jōetsu East Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Kashiwazaki at 5 NM to the SSW. Other ports served include Teradomari (14.9 NM NE), Tsubame (20.7 NM NE), Naoetsu (21.6 NM SW), Aoe (22.3 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Jōetsu East Breakwater Lighthouse still active and maintained?+
Yes, Jōetsu 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 Jōetsu East Breakwater Lighthouse?+
Jōetsu 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 Jōetsu East Breakwater Lighthouse?+
You can track vessels near Jōetsu 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.