KOEN
North Manitou Shoal Light in the middle, with the lights within 20 km, in their listed colours.
North Manitou Shoal Light — light characteristic, height, range
One red flash every 15 seconds
Count 15 seconds.Flash red, once.Begin again.
- Characteristic
- Fl R 15s
- Height
- 79 ft · 24 m
- Nominal range
- 14 mi = 23 km
- Remarks
- HORN: 2 blasts ev 20s (2s bl-2s si-2s bl-14s si). Operates by keying microphone five times on VHF-FM Ch. 83A. AIS: 993686017
- Position
- 45.0210°N, 85.9571°W · MI

Lights nearby
- Pyramid Point Shoal Lighted Buoy 5One green flash every 4 seconds · 3.3 km
- North Manitou Island Weather Wave Buoy 1One white flash every 2.5 seconds · 5.3 km
- North Manitou Island Pier Light 2One red flash every 4 seconds · 11 km
- North Manitou Island Pier Light 4One red flash every 4 seconds · 11 km
- Leland Harbor Light 1One green flash every 2.5 seconds · 15 km
- Leland Harbor Light 2One red flash every 4 seconds · 15 km
- South Manitou Island Shoal Lighted Gong Buoy 8One red flash every 4 seconds · 18 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