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

Tsurugi Lighthouse

Fl Green 30s🇯🇵Miura, JPOperational

Location & Light Range

About Tsurugi Lighthouse

Also known as: Tsurugi (Turugi) Saki

Tsurugi Lighthouse, operational since 1925, is a white, cylindrical concrete tower standing 17 meters tall. It features an octagonal base and is topped with a lantern and gallery. The lighthouse's focal height reaches 41 meters above sea level. It emits a green flash every 30 seconds, visible for 17.2 nautical miles. Located in Miura within Kanagawa Prefecture, Japan, it stands near the Maguchi port, 0.2 kilometers away.

Why it matters: The lighthouse's consistent green flash every 30 seconds marks a significant point for safe navigation in Japanese coastal waters. Its operational status since 1925 highlights its enduring role in maritime safety.

Light & Optic

Characteristic Signature
Fl Green 30s
Flash Type
Flashing
Light Color
Green
Interval
30s
Raw Code
Fl G 30s
Focal Height
41m
Geographic Range
17.2NM

Construction & History

Year Built
1925

References & Identifiers

Nearest Port
Maguchi(0.2 km)
Admiralty No.
M6354
ARLHS No.
JPN-698

Tower & Structure

Tower Height
17m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: octagonal cylindrical concrete tower with lantern and gallery, painted white

Location

City
Miura
Country
🇯🇵Japan
Region
Kanagawa Prefecture
Latitude
35.1413°
Longitude
139.6767°

Nearby Vessels

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

Find Tsurugi 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 Tsurugi Lighthouse at night?+
Tsurugi displays the characteristic Fl Green 30s. 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 Tsurugi Lighthouse guide vessels into?+
Tsurugi Lighthouse assists vessels approaching 5 nearby ports. The closest is Maguchi at 0.2 NM to the NNE. Other ports served include Kurihama (5.4 NM NNE), Hamakanaya (5.9 NM NNE), Uraga (6.5 NM NNE), Hayama (8.5 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tsurugi Lighthouse still active and maintained?+
Yes, Tsurugi 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 Tsurugi Lighthouse?+
Tsurugi 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 Tsurugi Lighthouse?+
You can track vessels near Tsurugi 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.