KOEN
Imai Zaki (今井埼灯台) in the middle, with the lights within 20 km, in their listed colours.
Imai Zaki (今井埼灯台) — light characteristic, height, range
2 white flashes every 7 seconds
Count 7 seconds.Flash white, 2 times.Begin again.
- Characteristic
- Fl(2) W 7s
- Height
- 63 m
- Nominal range
- 20 nmi = 37 km
- Type
- light major
- Position
- 28.4763°N, 129.6211°E

Lights nearby
- Tatsugo Wan (Tatsugo Wan)Steady white light · 4.8 km
- Kasari Saki (笠利崎灯台)One white flash every 15 seconds · 8.9 km
- Borose Saki (梵論瀬埼灯台)One long white flash every 10 seconds · 10 km
- One red flash every 3 seconds · 14 km
- Tategami (Tategami)2 white flashes every 6 seconds · 14 km
- Naze Ko (Naze Ko)Red, 3 s on and 3 s off · 15 km
- Wan Ko (Wan Ko)One green flash every 4 seconds · 35 km
- Somati Gyoko (Somati Gyoko)One red flash every 5 seconds · 41 km
Not for navigation. Use the country's official charts and Notices to Mariners.
Real periods; the phase is reconstructed from a fixed clock (real lights don't keep time with each other).
Sources: OpenStreetMap seamarks (OSM) (opens in a new tab) · Checked