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Nakaminato South Breakwater Lighthouse

Fl (2) Green 9s🇯🇵Hitachinaka, JPOperational

Location & Light Range

About Nakaminato South Breakwater Lighthouse

This white concrete post lighthouse stands at the end of the detached south breakwater of Nakaminato, in Ibaraki Prefecture, Japan. The 8.5-meter post is mounted on a square, one-story concrete equipment room. Its focal plane reaches 14 meters above the water. The light emits a single green flash every nine seconds, visible for 11.6 nautical miles. The structure is located just 0.1 kilometers from the port of Nakaminato.

Why it matters: This light guides vessels around the detached south breakwater of Nakaminato port, preventing collisions with the submerged structure and ensuring safe navigation for traffic entering and exiting the harbor.

Light & Optic

Characteristic Signature
Fl (2) Green 9s
Flash Type
Flashing
Light Color
Green
Flash Count
2 flashes
Interval
9s
Raw Code
Fl G 9s
Focal Height
14m
Geographic Range
11.6NM

Location

City
Hitachinaka
Country
🇯🇵Japan
Region
Ibaraki Prefecture
Sea Region
Located at the end of the detached south breakwater of Nakaminato.
Latitude
36.3374°
Longitude
140.6023°

References & Identifiers

Nearest Port
Nakaminato(0.1 km)
Admiralty No.
M6495.3
NGA No.
4708
USCG No.
JCG-1842

Tower & Structure

Tower Height
8.5m
Tower Shape
post
Tower Color
white
Material
concrete

Structure: An 8.5m white concrete post is attached to a square, one-story concrete equipment room.

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 Nakaminato South Breakwater Lighthouse at night?+
Nakaminato South Breakwater displays the characteristic Fl (2) Green 9s — 2 green flashes every 9 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 Nakaminato South Breakwater Lighthouse guide vessels into?+
Nakaminato South Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Nakaminato at 0.2 NM to the WNW. Other ports served include Oarai (2.2 NM SW), Hitachinaka (5.2 NM NNE), Hitachi (9.2 NM N), Kawarago (9.9 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Nakaminato South Breakwater Lighthouse still active and maintained?+
Yes, Nakaminato 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 Nakaminato South Breakwater Lighthouse?+
Nakaminato 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 Nakaminato South Breakwater Lighthouse?+
You can track vessels near Nakaminato 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.