Duluth Channel Lights
Water Current Indicator Lights
The Corps of Engineers, in conjunction with the city of Duluth, has installed a current indicator light on the north tower of the Duluth Aerial Lift Bridge. There are two sets of lights in a horizontal orientation, one facing the lake on the northwest side of the north tower and one facing towards the Duluth Harbor Basin on the southwest side of the north tower.
Light Status Water Current Conditions
Light Status Water Current Conditions
Yellow - Less than 1 MPH – Inbound or Outbound
Steady Red - Greater than or equal to 1 MPH but less than 3 MPH – Inbound
Steady Green - Greater than or equal to 1 MPH but less than 3 MPH – Outbound
Flashing Red - Greater than or equal to 3 MPH – Inbound
Flashing Green - Greater than or equal to 3 MPH – Outbound