KOEN
Duluth Harbor North Pier Light in the middle, with the lights within 20 km, in their listed colours.
Duluth Harbor North Pier Light — light characteristic, height, range
Red, 3 s on and 3 s off
On for 3 seconds.Off for 3 seconds.Begin again.
- Characteristic
- Iso R 6s
- Height
- 43 ft · 13 m
- Nominal range
- 12 mi = 19 km
- Structure
- White cylindrical tower with black top and base.
- Position
- 46.7810°N, 92.0881°W · MN
Lights nearby
- Duluth Harbor South Breakwater Outer LightSteady green light · 103 m
- Duluth Harbor South Breakwater Inner LightOne white flash every 5 seconds · 377 m
- Duluth Harbor Basin Lighted Buoy 3One green flash every 4 seconds · 998 m
- Harbor Cove Marina Light 3Steady green light · 1.0 km
- Harbor Cove Marina Light 1Steady green light · 1.0 km
- Harbor Cove Marina Light 2Steady red light · 1.0 km
- Harbor Cove Marina Light 4Steady red light · 1.0 km
- SPEAR Lighted Research Buoy 4Continuous quick yellow flashes · 1.4 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