KOEN
Devils Island Light in the middle, with the lights within 20 km, in their listed colours.
Devils Island Light — light characteristic, height, range
One red flash every 10 seconds
Count 10 seconds.Flash red, once.Begin again.
- Characteristic
- Fl R 10s
- Height
- 100 ft · 30 m
- Nominal range
- 11 mi = 18 km
- Structure
- Cylindrical tower.
- Position
- 47.0795°N, 90.7281°W · WI

Lights nearby
- WISC Apostle Island DI Wave Buoy 3One yellow flash every 4 seconds · 485 m
- York Island Shoals Lighted Bell Buoy 1One green flash every 4 seconds · 11 km
- Little Manitou Island LightOne green flash every 4 seconds · 13 km
- Raspberry Island LightOne white flash every 2.5 seconds · 13 km
- Sand Island Wave Buoy 1Continuous quick yellow flashes · 15 km
- Sand Island LightOne white flash every 6 seconds · 18 km
- Little Sand Bay Harbor East Light 1One green flash every 2.5 seconds · 19 km
- Little Sand Bay Harbor West Light 2One red flash every 2.5 seconds · 19 km
Not for navigation. Use official NOAA charts and USCG Local Notices to Mariners.
Real periods; the phase is reconstructed from a fixed clock (real lights don't keep time with each other).
Sources: U.S. Coast Guard Light List (opens in a new tab) · Checked