KOEN
Grays Reef Light in the middle, with the lights within 20 km, in their listed colours.
Grays Reef Light — light characteristic, height, range
One red flash every 10 seconds
Count 10 seconds.Flash red, once.Begin again.
- Characteristic
- Fl R 10s
- Height
- 82 ft · 25 m
- Nominal range
- 14 mi = 23 km
- Structure
- Square tower.
- Remarks
- HORN: 2 blasts ev 30s (2s bl-2s si-2s bl-24s si). Operates by keying microphone five times on VHF-FM Ch. 83A. AIS MMSI: 993682389
- Position
- 45.7657°N, 85.1538°W · MI
Lights nearby
- Grays Reef Passage Channel Lighted Buoy 7One green flash every 4 seconds · 1.0 km
- Grays Reef Passage Channel Lighted Bell Buoy 4One red flash every 4 seconds · 1.8 km
- Grays Reef Passage Channel Lighted Buoy 5One green flash every 4 seconds · 2.1 km
- New Shoal Lighted Bell Buoy 3One green flash every 2.5 seconds · 5.7 km
- GLF Sturgeon Bay Weather Buoy 1One yellow flash every 4 seconds · 7.7 km
- New Shoal Lighted Buoy 1One green flash every 4 seconds · 8.0 km
- White Shoal LightOne white flash every 5 seconds · 8.6 km
- Ile Aux Galets LightOne white flash every 6 seconds · 10 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