Superior Entry South Breakwater Light — light characteristic, height, range

One green flash every 5 seconds

Count 5 seconds.Flash green, once.Begin again.

Characteristic: Fl G 5s
Height: 70 ft · 21 m
Nominal range: 15 mi = 24 km
Structure: White cylindrical tower on fog signal building.
Remarks: HORN: 1 blast ev 30s (3s bl). Operates by keying microphone five times on VHF-FM C. 83A.
Position: 46.7102°N, 92.0064°W · WI

Superior Entry South Breakwater Light in the middle, with the lights within 20 km, in their listed colours.

Lights nearby

Superior Entry North Breakwater Light 2Continuous quick red flashes · 204 m
Superior Entry Inner South Pierhead Light 1Green, 3 s on and 3 s off · 571 m
Superior Entry Inner North Pierhead Light 2ARed, 3 s on and 3 s off · 600 m
Superior Harbor Basin Light 1AOne green flash every 2.5 seconds · 1.0 km
Allouez Bay Lighted Buoy 3One green flash every 4 seconds · 1.2 km
Duluth LSNE Water Quality Buoy 1One yellow flash every 4 seconds · 1.7 km
Superior Harbor Basin Lighted Buoy 4One red flash every 4 seconds · 2.0 km
Superior Front Channel Range Rear LightGreen, dark once every 4 seconds · 2.1 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).