KOEN
Grand Marais Harbor Of Refuge Outer Light in the middle, with the lights within 20 km, in their listed colours.
Grand Marais Harbor Of Refuge Outer Light — light characteristic, height, range
One white flash every 2.5 seconds
Count 2.5 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 2.5s
- Height
- 40 ft · 12 m
- Nominal range
- 10 mi = 16 km
- Structure
- Skeleton tower with upper part enclosed.
- Remarks
- HORN: 1 blast ev 15s (2s bl). Fog signal operates by keying microphone five times on VHF-FM channel 83A. Operates from May 1 to Oct. 20.
- Position
- 46.6838°N, 85.9717°W · MI
Lights nearby
- Grand Marais Harbor Of Refuge Light 1One green flash every 4 seconds · 377 m
- Grand Marais Harbor Of Refuge Inner LightSteady white light · 792 m
- Au Sable LightOne white flash every 6 seconds · 13 km
- Grand Portal Point Weather BuoyOne yellow flash every 4 seconds · 40 km
- Little Lake Harbor Light 2One red flash every 4 seconds · 46 km
- Little Lake Harbor Light 3One green flash every 4 seconds · 46 km
- Munising Weather BuoyOne yellow flash every 2.5 seconds · 47 km
- Trout Point Lighted Bell Buoy 2One red flash every 4 seconds · 53 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