Kō Saki Lighthouse

Kō Saki displays the characteristic Fl W 15s — 1 white flash every 15 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.

Kō Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Tsutsu at 2.4 NM to the NW. Other ports served include Kunehama (5.4 NM NNW), Izuhara (7.6 NM NNE), Hara (8.1 NM NNE), Se/Izuhara (8.1 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.

Yes, Kō Saki 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.

Kō Saki 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 Kō Saki 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.

It is a fixed navigational aid on the coast at Tsushima, JP. Mariners identify it by its light characteristic — the pattern, colour and timing of its flashes — which is unique among the lights in its area, so a bearing on it fixes a vessel’s position without instruments.