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 Warning issued April 14 at 10:26PM EDT by NWS Marquette MI

Effective: Tue April 14, 2026, 10:26 PM
Expires: Wed April 15, 2026, 2:00 PM

...The Flood Warning continues for the following rivers in Michigan... Sturgeon River near Chassell affecting Baraga and Houghton Counties. .Flows in rivers will increase quickly and reach 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 7:00 PM EDT Tuesday the stage was 10.8 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:00 PM EDT Tuesday was 10.8 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 Wednesday afternoon at 200 PM EDT.

Flood Warning issued April 14 at 10:14PM EDT until April 22 at 11:00AM EDT by NWS Marquette MI

Effective: Tue April 14, 2026, 10:14 PM
Expires: Wed April 15, 2026, 2:00 PM

...The Flood Warning continues for the following rivers in Michigan... Sturgeon River near Alston affecting Baraga and Houghton Counties. .Warming temperatures will accelerate snowmelt this week. Flows in rivers will increase quickly and reach critical levels. Rainfall, potentially heavy at times, could be seen this week, which may result in rivers rising above the current forecast. * WHAT...Minor flooding is forecast. * WHERE...Sturgeon River near Alston. * WHEN...Until Wednesday, April 22. * IMPACTS...At 11.0 feet, Additional homes and structures near the river are impacted and evacuations may be necessary. Water levels may reach the bottom of Froberg bridge in addition to other bridges that cross the river * ADDITIONAL DETAILS... - At 9:30 PM EDT Tuesday the stage was 7.9 feet. - Bankfull stage is 7.5 feet. - Forecast...The river is expected to rise above flood stage just after midnight tonight to a crest of 10.9 feet Saturday evening. It will then fall below flood stage Tuesday, April 21. - Flood stage is 8.0 feet. - Flood History...This crest compares to a previous crest of 10.9 feet on 04/26/1954. - 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 Wednesday afternoon at 200 PM EDT.

Flood Watch issued April 15 at 6:40AM EDT until April 17 at 2:00AM EDT by NWS Marquette MI

Effective: Wed April 15, 2026, 6:40 AM
Expires: Wed April 15, 2026, 10:45 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, Keweenaw, Northern Houghton and Southern Houghton. * WHEN...Through late Thursday night. * 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 15 at 12:56PM EDT by NWS Marquette MI

Effective: Wed April 15, 2026, 12:56 PM
Expires: Thu April 16, 2026, 9:00 AM

...The Flood Warning continues for the following rivers in Michigan... Sturgeon River near Chassell affecting Baraga and Houghton Counties. Paint River at Crystal Falls (Paint) affecting Iron County. Sturgeon River near Nahma Junction affecting Delta County. ...The Flood Warning is cancelled for the following rivers in Michigan... Chocolay River near Harvey affecting Marquette County. * 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 At 12.0 feet, Lower portions of Sturgeon River Road...Aho Road... and Rajala Road are impassable * ADDITIONAL DETAILS... - At 7:35 AM EDT Wednesday the stage was 10.9 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:35 AM EDT Wednesday was 10.9 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 this afternoon at 200 PM EDT /100 PM CDT/.

Flood Warning issued April 15 at 12:56PM EDT until April 22 at 6:00AM EDT by NWS Marquette MI

Effective: Wed April 15, 2026, 12:56 PM
Expires: Thu April 16, 2026, 9:00 AM

...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Michigan... Sturgeon River near Alston affecting Baraga and Houghton Counties. .Heavy rain will fall on a deep primed snowpack leading to the melt increasing. Flows in rivers will increase quickly and reach critical levels. * WHAT...Minor flooding is occurring and moderate flooding is forecast. This approaches the flood of record. * WHERE...Sturgeon River near Alston. * WHEN...Until Wednesday, April 22. * IMPACTS...At 11.0 feet, Additional homes and structures near the river are impacted and evacuations may be necessary. Water levels may reach the bottom of Froberg bridge in addition to other bridges that cross the river * ADDITIONAL DETAILS... - At 12:30 PM EDT Wednesday the stage was 8.5 feet. - Bankfull stage is 7.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 12:30 PM EDT Wednesday was 8.6 feet. - Forecast...The river is expected to rise to a crest of 12.3 feet Saturday evening. It will then fall below flood stage Tuesday morning. - Flood stage is 8.0 feet. - Flood History...This crest compares to a previous crest of 11.9 feet on 04/18/2002. - 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 Thursday morning at 900 AM EDT.