Station Name: 9099090 - Grand Marais, MN
Station Type: Fixed
Data Source: National Data Buoy Center

Elevation Above Sea Level: 617 feet

Nearest Address:
391 MN-61
Grand Marais, MN 55604
Cook County

GPS Coordinates: 47.749, -90.341

Nearby Water Temperatures

Extreme Cold Warning issued January 23 at 2:43AM CST until January 24 at 12:00PM CST by NWS Duluth MN

Effective: Fri January 23, 2026, 2:43 AM
Expires: Fri January 23, 2026, 2:45 PM

* WHAT...Dangerously cold wind chills of 45 to near 60 degrees below zero. * WHERE...Crow Wing, Aitkin, Pine, Koochiching, Cass, Itasca, Carlton, St. Louis, Cook and Lake Counties. This includes the Tribal Lands of the Fond du Lac Band, the Grand Portage Reservation, the Mille Lacs Band, East Lake, Big Sandy Lake, Hinckley and, Lena Lake areas and the Bois Forte Band, Nett Lake, Deer Creek and, Lake Vermilion areas. Other locations including Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...Until noon CST Saturday. * IMPACTS...The dangerously cold wind chills as low as 60 degrees below zero could cause frostbite on exposed skin in as little as 5 minutes.

Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.