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Hamashima Kō Lighthouse

Fl White 4s🇯🇵Shima, JPOperational

Location & Light Range

About Hamashima Kō Lighthouse

Also known as: Hamajima

The Hamashima Kō lighthouse, established in 1955, marks the entrance to its namesake Japanese port in Mie Prefecture. This active navigation aid is a round cylindrical white concrete tower, 8.5 meters in height, featuring a gallery. The light displays a white flash every 4 seconds (Fl W 4s) with a geographic range of 13.2 nautical miles. The light source is positioned 20 meters above sea level. Located 0.5 kilometers from Hamajima port, the structure serves as a direct reference point for approaching vessels.

Why it matters: This lighthouse provides primary navigation assistance for vessels entering Hamashima Port. Its regular white flash aids mariners in safely navigating the harbor entrance, contributing to the area's maritime commerce.

Light & Optic

Characteristic Signature
Fl White 4s
Flash Type
Flashing
Light Color
White
Interval
4s
Raw Code
Fl W 4s
Focal Height
20m
Geographic Range
13.2NM

Construction & History

Year Built
1955

References & Identifiers

Nearest Port
Hamajima(0.5 km)
Admiralty No.
M6033
ARLHS No.
JPN-1810

Tower & Structure

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

Structure: round cylindrical white concrete tower with gallery

Location

City
Shima
Country
🇯🇵Japan
Region
Mie Prefecture
Sea Region
Hamashima Port (Hamajima Kō) in Japan, guiding vessels into the harbor.
Latitude
34.2912°
Longitude
136.7653°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Hamashima Kō Lighthouse at night?+
Hamashima Kō displays the characteristic Fl White 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Hamashima Kō Lighthouse guide vessels into?+
Hamashima Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Hamajima at 0.7 NM to the NW. Other ports served include Gokasho (4.8 NM NW), Matoya (7.8 NM NE), Toba (12.2 NM NNE), Yoshizu (12.8 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hamashima Kō Lighthouse still active and maintained?+
Yes, Hamashima Kō 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 Hamashima Kō Lighthouse?+
Hamashima Kō 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 Hamashima Kō Lighthouse?+
You can track vessels near Hamashima Kō 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.