Station Name: EAST SUPERIOR -70 NM NE Marquette, MI
Station Type: Other
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet

Nearest Address:
Offshore
Copper Harbor, MI 49918
Keweenaw County

GPS Coordinates: 47.585, -86.585

Nearby Water Temperatures

Flood Watch issued April 11 at 1:39PM EDT until April 15 at 8:00AM EDT by NWS Marquette MI

Effective: Sat April 11, 2026, 1:39 PM
Expires: Sun April 12, 2026, 5:45 AM

Heavy rain may fall on a deep primed snowpack leading to the melt increasing. Flows in rivers may increase quickly and reach critical levels. * WHAT...Flooding caused by rain and snowmelt continues to be possible. * WHERE...Portions of central Upper and western Upper Michigan, including the following areas, in central Upper Michigan, Alger, Baraga, Delta, Dickinson, Iron, Luce, Marquette, Menominee, Northern Schoolcraft and Southern Schoolcraft. In western Upper Michigan, Gogebic, Keweenaw, Northern Houghton, Ontonagon and Southern Houghton. * WHEN...From 8 PM EDT /7 PM CDT/ this evening through Wednesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Flood Watch issued April 12 at 2:10AM EDT until April 15 at 8:00AM EDT by NWS Marquette MI

Effective: Sun April 12, 2026, 2:10 AM
Expires: Sun April 12, 2026, 6:15 PM

Heavy rain may fall on a deep primed snowpack leading to the melt increasing. Flows in rivers may increase quickly and reach critical levels. * WHAT...Flooding caused by rain and snowmelt continues to be possible. * WHERE...Portions of central Upper and western Upper Michigan, including the following areas, in central Upper Michigan, Alger, Baraga, Delta, Dickinson, Iron, Luce, Marquette, Menominee, Northern Schoolcraft and Southern Schoolcraft. In western Upper Michigan, Gogebic, Keweenaw, Northern Houghton, Ontonagon and Southern Houghton. * WHEN...Through Wednesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.