Station Name: Western Lake Superior
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 587 feet / 179 meters

Nearest Address:
Offshore
Duluth, MN 55804
St. Louis County

GPS Coordinates: 46.814, -91.829

Nearby Water Temperatures

Freeze Warning issued October 7 at 2:03PM CDT until October 8 at 10:00AM CDT by NWS Duluth MN

Effective: Tue October 7, 2025, 2:03 PM
Expires: Wed October 8, 2025, 2:15 AM

* WHAT...Sub-freezing temperatures as low as 23 expected. * WHERE...In Minnesota, Crow Wing, Aitkin, Pine, Koochiching, Cass, Itasca, Carlton, St. Louis, Cook and Lake Counties. In Wisconsin, Price, Ashland, Bayfield, Burnett, Douglas, Iron, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Red Cliff Band, the St. Croix Band in Burnett County, the Bad River Reservation, the Grand Portage Reservation, the northwestern area of the Lac du Flambeau Band, the Fond du Lac Band, the Lac Courte Oreilles Reservation, the Mille Lacs Band, Big Sandy Lake, Hinckley, Lena Lake and, East Lake areas and the Bois Forte Band, Deer Creek, Nett Lake and, Lake Vermilion areas. Other locations including the Apostle Islands National Lakeshore, Madeline Island and Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...From 10 PM this evening to 10 AM CDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Widespread below-freezing temperatures are expected to bring an end to the growing season, with many locations even forecast to see low temperatures dip into the 20s.

Take steps now to protect tender plants from the cold.

Freeze Warning issued October 7 at 9:17PM CDT until October 8 at 10:00AM CDT by NWS Duluth MN

Effective: Tue October 7, 2025, 9:17 PM
Expires: Wed October 8, 2025, 9:30 AM

* WHAT...Sub-freezing temperatures as low as 23 expected. * WHERE...In Minnesota, Crow Wing, Aitkin, Pine, Koochiching, Cass, Itasca, Carlton, St. Louis, Cook and Lake Counties. In Wisconsin, Price, Ashland, Bayfield, Burnett, Douglas, Iron, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Grand Portage Reservation, the St. Croix Band in Burnett County, the Fond du Lac Band, the northwestern area of the Lac du Flambeau Band, the Red Cliff Band, the Bad River Reservation, the Lac Courte Oreilles Reservation, the Mille Lacs Band, Big Sandy Lake, Hinckley, Lena Lake and, East Lake areas and the Bois Forte Band, Nett Lake, Lake Vermilion and, Deer Creek areas. Other locations including Voyageurs National Park, the Apostle Islands National Lakeshore and Madeline Island. The entire Boundary Waters is also included. * WHEN...Until 10 AM CDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Widespread below-freezing temperatures are expected to bring an end to the growing season, with many locations even forecast to see low temperatures dip into the 20s.

Take steps now to protect tender plants from the cold.