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

Flood Advisory issued April 28 at 3:24AM CDT until April 28 at 6:00PM CDT by NWS Duluth MN

Effective: Tue April 28, 2026, 3:24 AM
Expires: Tue April 28, 2026, 6:00 PM

* WHAT...Flooding caused by rain and snowmelt continues. * WHERE...In Minnesota, Cook, Lake and St. Louis Counties. * WHEN...Until 600 PM CDT Tuesday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. River or stream flows are elevated. Flooding is occurring on area rivers that are popular for waterfall viewing. * ADDITIONAL DETAILS... - At 322 AM CDT Tuesday, Rain and snowmelt is occurring, and will cause minor flooding. Rapid river rises will cause minor flooding in the advisory area. Between 1 and 2 inches of rain have fallen. - Some locations that will experience flooding include... Grand Marais, Gunflint Lake, Two Harbors, Silver Bay, Grand Portage, Clear Lake, Lutsen, Tofte, Beaver Bay, Wolf Lake, Dumbbell Lake, George Manitou State Park, Forest Center, Sugar Loaf Cove, Temperance River State Park, Taconite Harbor, Isabella, Little Marais, Finland and Little Saganaga Lake. - Flood safety information can be found at www.weather.gov/safety/flood.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Campers and hikers should avoid flooded trail crossings. If camping at a site along or near the banks of rivers or streams, move away from those locations and seek higher ground. Trails in hilly terrain can quickly become unstable during or shortly after heavy rainfall.

Flood Advisory issued April 28 at 10:14AM CDT until April 28 at 6:00PM CDT by NWS Duluth MN

Effective: Tue April 28, 2026, 10:14 AM
Expires: Tue April 28, 2026, 6:00 PM

* WHAT...Small stream flooding caused by rain and snowmelt continues. * WHERE...In Minnesota, Cook and Lake Counties. * WHEN...Until 600 PM CDT Tuesday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. River or stream flows are elevated. Flooding is occurring on area rivers that are popular for waterfall viewing. * ADDITIONAL DETAILS... - At 1004 AM CDT Tuesday, river gauges continue to suggest that there are areas of high water and localized minor flooding from Monday's rainfall. No additional rainfall is expected. One to two inches of rain that has already fallen and snowmelt runoff in Cook County will keep river levels elevated today. The Baptism River and Beaver River in Lake County are also experiencing high flows today due to runoff from the one to two inches of rainfall yesterday and last night. - Some locations that will experience flooding include... Grand Marais, Gunflint Lake, Silver Bay, Grand Portage, Lutsen, Tofte, Beaver Bay, Eagle Mountain, Cascade River State Park, Boundary Waters Canoe Area Wilderness North of the Gunflint Trail, Temperance River State Park, Sea Gull Lake, Little Saganaga Lake, Taconite Harbor, Saganaga Lake, Alpine Lake, Judge Magney State Park, Judge C. R. Magney State Park, Sugar Loaf Cove and Hovland. - Flood safety information can be found at www.weather.gov/safety/flood.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Campers and hikers should avoid flooded trail crossings. If camping at a site along or near the banks of rivers or streams, move away from those locations and seek higher ground. Trails in hilly terrain can quickly become unstable during or shortly after heavy rainfall.