Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Superior Entry South Breakwater Lighthouse

Fl G 5s🇺🇸Northern Wisconsin, USOperational

Constructed in 1913, the Superior Entry South Breakwater Lighthouse features a green tower reaching 21 meters in height. Its focal plane is also at 21 meters, and it emits a green light. The structure has a geographic range of 15 nautical miles. This lighthouse is operational.

Characteristic Signature
Fl G 5s
Flash Type
Flashing
Light Color
Green
Flash Count
1 flash
Interval
5s
Raw Code
Fl
Focal Height
21m
Geographic Range
15NM
Year Built
1913
Heritage Status
2
Admiralty No.
LLNR 15595
Wikidata
Q8027246
OpenStreetMap
View on OSM →
Tower Height
21m
Tower Color
green
City
Northern Wisconsin
Country
🇺🇸US
Latitude
46.7101°
Longitude
-92.0063°
Flag
Type
Name
Dist.
Live tracking · 50,000+ mariners

Find Superior Entry South Breakwater Lighthouse on the live nautical map

Plan voyages near US, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App
How do mariners identify Superior Entry South Breakwater Lighthouse at night?+
Superior Entry South Breakwater displays the characteristic Fl G 5s — 1 green flash every 5 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The green color may indicate a specific sector or warning zone.
Which ports and harbors does Superior Entry South Breakwater Lighthouse guide vessels into?+
Superior Entry South Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Duluth at 5.1 NM to the NW. Other ports served include Superior (5.2 NM WNW), TWO HARBORS (22.8 NM NE), Floodwood (39.1 NM WNW), Silver Bay (46.1 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Superior Entry South Breakwater Lighthouse still active and maintained?+
Yes, Superior Entry South Breakwater Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
How can I track vessels near Superior Entry South Breakwater Lighthouse?+
You can track vessels near Superior Entry South Breakwater Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.