KOEN
Izu Oshima in the middle, with the lights within 20 km, in their listed colours.
Izu Oshima — light characteristic, height, range
3 white flashes every 30 seconds
Count 30 seconds.Flash white, 3 times.Begin again.
- Characteristic
- Fl(3) W 30s
- Height
- 103 m
- Nominal range
- 25 nmi = 46 km
- Type
- light major
- Position
- 34.7975°N, 139.3722°E
Lights nearby
- Motomati Ko (元町港突堤灯台)Green, 2 s on and 2 s off · 5.5 km
- Ryuo Saki (竜王崎灯台)One white flash every 12 seconds · 14 km
- Habu Ko (Habu Ko)Steady white light · 14 km
- Tomisaki Ko (Tomisaki Ko)Steady red, brighter flash every 6 seconds · 43 km
- Joga Shima (城ヶ島灯台)One white flash every 15 seconds · 43 km
- Jogashima (I Shima)3 red flashes every 12 seconds · 44 km
- Awa Saki (安房崎灯台)One white flash every 4 seconds · 44 km
- Green, 2 s on and 2 s off · 44 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