KOEN
Kannonzaki Lighthouse (観音埼灯台) in the middle, with the lights within 20 km, in their listed colours.
Kannonzaki Lighthouse (観音埼灯台) — light characteristic, height, range
2 white flashes every 15 seconds
Count 15 seconds.Flash white, 2 times.Begin again.
- Characteristic
- Fl(2) W 15s
- Height
- 56 m
- Nominal range
- 20 nmi = 37 km
- Type
- light major
- Position
- 35.2561°N, 139.7452°E

Lights nearby
- Yokosuka Ko (Yokosuka Ko)One green flash every 3 seconds · 1.3 km
- Yokosuka Ko Hashirimizu (Yokosuka Ko Hashirimizu)One green flash every 3 seconds · 1.4 km
- One red flash every 3 seconds · 1.4 km
- Kurihama Wan (Kurihama Wan)Green, 3 s on and 3 s off · 4.4 km
- Ashika Shima (Ashika Shima)One white flash every 3 seconds · 5.0 km
- One green flash every 3 seconds · 5.6 km
- Yokosuka Ko (Yokosuka Ko)Red, 2 s on and 2 s off · 5.7 km
- Uraga Suido (Uraga Suido)White, 2 s on and 2 s off · 5.7 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