Tonbisaki Lighthouse

With a focal height of 41 meters and a nominal range of 18 nautical miles (approximately 33.3 km), Tonbisaki is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. Lights of this range are typically used as landfall lights by vessels approaching from the open sea.

Tonbisaki displays the characteristic Fl W 5s — 1 white flash every 5 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.

Tonbisaki Lighthouse assists vessels approaching 5 nearby ports. The closest is Kikaishima at 4 NM to the SW. Other ports served include Akakina (19.7 NM WNW), Yani (21.2 NM WNW), Ashitoku (21.7 NM W), Tatsugo (22.7 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.

Yes, Tonbisaki 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.

You can track vessels near Tonbisaki 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.