KOEN
Duluth Harbor South Breakwater Outer Light in the middle, with the lights within 20 km, in their listed colours.
Duluth Harbor South Breakwater Outer Light — light characteristic, height, range
Steady green light
Turn on the green light.Leave it.Do not turn it off.
- Characteristic
- F G
- Height
- 44 ft · 13 m
- Nominal range
- 16 mi = 26 km
- Structure
- White tower on fog signal building.
- Remarks
- HORN: 2 bl ev 60s (3s bl-3s si-3s bl-51s si). Fog signal operates by keying the microphone five times on VHF-FM Channel 83A.
- Position
- 46.7801°N, 92.0875°W · MN

Lights nearby
- Duluth Harbor North Pier LightRed, 3 s on and 3 s off · 103 m
- Duluth Harbor South Breakwater Inner LightOne white flash every 5 seconds · 361 m
- Duluth Harbor Basin Lighted Buoy 3One green flash every 4 seconds · 947 m
- Harbor Cove Marina Light 3Steady green light · 949 m
- Harbor Cove Marina Light 1Steady green light · 958 m
- Harbor Cove Marina Light 2Steady red light · 967 m
- Harbor Cove Marina Light 4Steady red light · 977 m
- Duluth Harbor Basin Lighted Buoy 2One red flash every 4 seconds · 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