KOEN
St Helena Light in the middle, with the lights within 20 km, in their listed colours.
St Helena Light — light characteristic, height, range
One white flash every 6 seconds
Count 6 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 6s
- Height
- 71 ft · 22 m
- Nominal range
- 6 mi = 10 km
- Structure
- White conical tower connected to dwelling.
- Position
- 45.8550°N, 84.8636°W · MI

Lights nearby
- St. Ignace Marina Entrance Light 1One green flash every 2.5 seconds · 11 km
- St Ignace Marina Northeast Breakwall LightOne yellow flash every 2.5 seconds · 11 km
- St. Ignace Marina Entrance Light 2One red flash every 2.5 seconds · 11 km
- Northwestern Dock LightContinuous quick white flashes · 12 km
- St. Ignace Coast Guard Slip LightOne white flash every 6 seconds · 12 km
- Mackinaw City Harbor Entrance Light 2One red flash every 4 seconds · 14 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