Uchiumi Kō Breakwater Lighthouse

With a focal height of 9 meters and a nominal range of 3 nautical miles (approximately 5.6 km), Uchiumi Kō Breakwater is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.

Uchiumi Kō Breakwater displays the characteristic Fl (2) G 6s — 2 green flashes 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. The green color may indicate a specific sector or warning zone.

Uchiumi Kō Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Uchiumi at 0 NM to the WNW. Other ports served include Aoshima (2.5 NM N), Miyazaki, Miyazaki (9.4 NM N), Aburatsu (11.3 NM SSW), Meitsu (13.6 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.

Uchiumi Kō Breakwater Lighthouse is currently listed as inactive. It may have been decommissioned, replaced by a different navigation aid, or temporarily taken out of service. Mariners should check the latest Notices to Mariners for current status.

Uchiumi Kō Breakwater 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.

You can track vessels near Uchiumi Kō Breakwater 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.