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

Gotsu Lighthouse

Iso W 6s🇯🇵Honshu-Northwest Coast, JPOperational

Location & Light Range

About Gotsu Lighthouse

Gotsu Lighthouse stands on Honshu's Northwest Coast. It exhibits an isophase white light, with a 6-second cycle. The light's focal plane reaches 65 meters above sea level. Its geographic range extends 12 nautical miles.

Light & Optic

Characteristic Signature
Iso W 6s
Flash Type
Isophase
Light Color
White
Flash Count
1 flash
Interval
6s
Raw Code
Iso.W. period 6s
Focal Height
65m
Light Range
12NM (22.2 km)
Geographic Range
12NM

References & Identifiers

Admiralty No.
M7346.5
NGA No.
1860

Location

City
Honshu-Northwest Coast
Country
🇯🇵JP
Latitude
35.0318°
Longitude
132.2350°

Nearby Vessels

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

Find Gotsu Lighthouse on the live nautical map

Plan voyages near JP, 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 far offshore can Gotsu Lighthouse be seen?+
With a focal height of 65 meters and a nominal range of 12 nautical miles (approximately 22.2 km), Gotsu is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. This range makes it a significant coastal navigation aid for vessels transiting the area.
How do mariners identify Gotsu Lighthouse at night?+
Gotsu displays the characteristic Iso W 6s — 1 white flash every 6 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.
Which ports and harbors does Gotsu Lighthouse guide vessels into?+
Gotsu Lighthouse assists vessels approaching 5 nearby ports. The closest is Yunotsu at 6.4 NM to the NE. Other ports served include Amiya (10 NM NE), Nima (11.1 NM NE), Takuno (11.6 NM NE), Hamada (13.1 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Gotsu Lighthouse still active and maintained?+
Yes, Gotsu 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 Gotsu Lighthouse?+
Gotsu 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 Gotsu Lighthouse?+
You can track vessels near Gotsu 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.