Iheyashima Lighthouse

With a focal height of 115 meters and a nominal range of 21 nautical miles (approximately 38.9 km), Iheyashima 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.

Iheyashima displays the characteristic Fl W 12s — 1 white flash every 12 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.

Iheyashima Lighthouse assists vessels approaching 5 nearby ports. The closest is Noho at 6.9 NM to the SW. Other ports served include Uchihana (8.6 NM SSW), Kada (9.9 NM SSW), Nakada (9.9 NM SSW), Kouri (23.4 NM S). Mariners should consult the relevant chart for full approach and pilotage information.

Yes, Iheyashima 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 Iheyashima 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.