Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Noshiro Kō Inner Breakwater Lighthouse

Iso green 4s🇯🇵Noshiro, JPOperational

Location & Light Range

About Noshiro Kō Inner Breakwater Lighthouse

Also known as: Noshiro Kō Inner Breakwater (Yoneshiro Gawa)

This former lighthouse, located at the end of the south breakwater in Noshiro, Japan, was an 11-meter red concrete post. It was attached to a square, single-story concrete equipment room. The structure guided vessels into the port of Noshiro. Its light was green with an isophase characteristic. The lighthouse became inactive around 2022 and was subsequently removed.

Why it matters: This marker was essential for mariners entering and exiting the port of Noshiro, clearly delineating the end of the south breakwater and preventing collisions with the submerged structure.

Light & Optic

Characteristic Signature
Iso green 4s
Flash Type
Isophase
Light Color
green
Interval
4s
Raw Code
Iso.G
Focal Height
11m
Geographic Range
6NM

Construction & History

Significant events: Inactive since 2022, removed

References & Identifiers

Nearest Port
Noshiro(1.0 km)
Admiralty No.
M7056
NGA No.
3624
ARLHS No.
JPN-1040

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: An 11m red concrete post attached to a square 1-story concrete equipment room.

Location

City
Noshiro
Country
🇯🇵Japan
Region
Akita Prefecture
Sea Region
Noshiro, Japan, at the end of the south breakwater
Latitude
40.2135°
Longitude
139.9940°

Nearby Vessels

Flag
Type
Name
Dist.
Live tracking · 50,000+ mariners

Find Noshiro Kō Inner Breakwater Lighthouse on the live nautical map

Plan voyages near Japan, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Noshiro Kō Inner Breakwater Lighthouse at night?+
Noshiro Kō Inner Breakwater displays the characteristic Iso 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 Noshiro Kō Inner Breakwater Lighthouse guide vessels into?+
Noshiro Kō Inner Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Noshiro at 0.6 NM to the SE. Other ports served include Funagawa (20.9 NM SSW), Akitafunagawa (21.2 NM SSW), Funakawa (21.4 NM SSW), Fukaura, Aomori (26.1 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Noshiro Kō Inner Breakwater Lighthouse still active and maintained?+
Yes, Noshiro Kō Inner 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 Noshiro Kō Inner Breakwater Lighthouse?+
Noshiro Kō Inner 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 Noshiro Kō Inner Breakwater Lighthouse?+
You can track vessels near Noshiro Kō Inner 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.