Station Name: South Entry Buoy, South Keweenaw Peninsula, MI
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 587 feet

Nearest Address:
Offshore
Jacobsville, MI
Houghton County

GPS Coordinates: 46.969, -88.398

Nearby Water Temperatures

Flood Watch issued April 24 at 4:45AM EDT until April 25 at 8:00AM EDT by NWS Marquette MI

Effective: Fri April 24, 2026, 4:45 AM
Expires: Sat April 25, 2026, 12:00 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, Baraga, Dickinson, Iron and Marquette. In western Upper Michigan, Keweenaw, Northern Houghton, Ontonagon and Southern Houghton. * WHEN...Through Saturday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * 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 24 at 1:00PM EDT until April 24 at 8:00PM EDT by NWS Marquette MI

Effective: Fri April 24, 2026, 1:00 PM
Expires: Fri April 24, 2026, 8:00 PM

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, Baraga, Dickinson, Iron and Marquette. In western Upper Michigan, Keweenaw, Northern Houghton, Ontonagon and Southern Houghton. * WHEN...Until 8 PM EDT /7 PM CDT/ this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * 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 Warning issued April 24 at 12:27PM EDT until April 28 at 8:00PM EDT by NWS Marquette MI

Effective: Fri April 24, 2026, 12:27 PM
Expires: Sat April 25, 2026, 2:00 AM

...The Flood Warning continues for the following rivers in Michigan... Sturgeon River near Alston affecting Houghton and Baraga Counties. Sturgeon River near Chassell affecting Houghton and Baraga Counties. .Snowmelt and recent rainfall resulting in rivers reaching critical levels. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Sturgeon River near Alston. * WHEN...Until Tuesday evening. * IMPACTS...At 8.0 feet, Homes and structures along the low lying areas and numerous roads become impacted by flood water. In Houghton County...Sturgeon River Road...Aho Road...and Rajala Road are impacted. In Baraga County...Sturgeon Road...Halonen Road and Usitalo Road are impacted. Along Froberg Road...Tahtinen Road... Irwin Road...Oliver Road...and Shirley Road are impacted. * ADDITIONAL DETAILS... - At 11:30 AM EDT Friday the stage was 8.2 feet. - Bankfull stage is 7.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:30 AM EDT Friday was 8.2 feet. - Forecast...The river is expected to rise to a crest of 8.5 feet early tomorrow afternoon. It will then fall below flood stage Monday evening. - Flood stage is 8.0 feet. - Flood History...This crest compares to a previous crest of 8.6 feet on 04/27/2017. - www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/marquette. The next statement will be issued late tonight at 200 AM EDT.

Flood Warning issued April 24 at 12:27PM EDT by NWS Marquette MI

Effective: Fri April 24, 2026, 12:27 PM
Expires: Sat April 25, 2026, 2:00 AM

...The Flood Warning continues for the following rivers in Michigan... Sturgeon River near Alston affecting Houghton and Baraga Counties. Sturgeon River near Chassell affecting Houghton and Baraga Counties. .Snowmelt and recent rainfall resulting in rivers reaching critical levels. * WHAT...Minor flooding is occurring. * WHERE...Sturgeon River near Chassell. * WHEN...Until further notice. * IMPACTS...At 10.5 feet, The river begins to overflow onto Sturgeon River Road...Rajala Road...and Aho Road * ADDITIONAL DETAILS... - At 9:00 AM EDT Friday the stage was 10.6 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 AM EDT Friday was 10.6 feet. - Forecast...No forecast is available for this location. - Flood stage is 10.5 feet. - Flood History...This crest compares to a previous crest of 11.2 feet on 04/18/2023. - www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/marquette. The next statement will be issued late tonight at 200 AM EDT.