KOEN
Mary Island Light in the middle, with the lights within 20 km, in their listed colours.
Mary Island Light — light characteristic, height, range
One white flash every 6 seconds
Count 6 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 6s
- Height
- 76 ft · 23 m
- Nominal range
- 6 nmi = 11 km
- Remarks
- Obscured from 341° to 150°.
- Position
- 55.0990°N, 131.1826°W · AK
Lights nearby
- Twin Islands Light TIOne green flash every 6 seconds · 5.4 km
- Slate Islands LightOne white flash every 4 seconds · 8.3 km
- Hog Rocks LightOne white flash every 4 seconds · 11 km
- Black Rock LightOne white flash every 6 seconds · 11 km
- Indian Rock Lighted Buoy 6One red flash every 4 seconds · 13 km
- Snipe Island Light 5One green flash every 6 seconds · 17 km
- Ajax Reef Light 3One green flash every 4 seconds · 21 km
- Angle Point LightOne white flash every 6 seconds · 22 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