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Mikuni Kō North Breakwater Lighthouse

F Green 4s🇯🇵Sakai, JPOperational

Location & Light Range

About Mikuni Kō North Breakwater Lighthouse

This white concrete lighthouse, standing 10 meters tall, marks the end of the detached north outer breakwater at Mikuni harbor. It is situated at the northern edge of the Sakai waterfront. The structure consists of a cylindrical post atop a 1-story equipment shelter. Its light, visible for 11 nautical miles, flashes green once every 4 seconds. Access to this active aid to navigation is by boat.

Why it matters: The lighthouse clearly delineates the harbor entrance, preventing collisions and guiding vessels into Mikuni harbor, especially those approaching from the open sea.

Light & Optic

Characteristic Signature
F Green 4s
Flash Type
Fixed
Light Color
Green
Interval
4s
Raw Code
F.Fl G 4s
Focal Height
12m
Geographic Range
11NM

Location

City
Sakai
Country
🇯🇵Japan
Region
Fukui Prefecture
Sea Region
Mikuni harbor, at the north end of the Sakai waterfront, marking the end of the detached north outer breakwater.
Latitude
36.2178°
Longitude
136.1275°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: A 10m white concrete post attached to a square 1-story equipment shelter.

References & Identifiers

Nearest Port
Fukui(1.1 km)
Admiralty No.
M7240
NGA No.
2704
ARLHS No.
JPN-1196
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Frequently Asked Questions

How do mariners identify Mikuni Kō North Breakwater Lighthouse at night?+
Mikuni Kō North Breakwater displays the characteristic F 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 Mikuni Kō North Breakwater Lighthouse guide vessels into?+
Mikuni Kō North Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Fukui at 0.9 NM to the SSE. Other ports served include Takasu, Fukui (9.7 NM SSE), Ukui (9.7 NM SSE), Ataka (18.4 NM NE), Shiraki (29.8 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Mikuni Kō North Breakwater Lighthouse still active and maintained?+
Yes, Mikuni Kō North 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 Mikuni Kō North Breakwater Lighthouse?+
Mikuni Kō North 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 Mikuni Kō North Breakwater Lighthouse?+
You can track vessels near Mikuni Kō North 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.