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 13 at 10:04PM EDT by NWS Marquette MI

Effective: Mon April 13, 2026, 10:04 PM
Expires: Tue April 14, 2026, 12:00 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 occurring and minor flooding is forecast. * WHERE...Sturgeon River near Alston. * WHEN...Until further notice. * 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 Monday the stage was 8.1 feet. - Bankfull stage is 7.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:30 PM EDT Monday was 8.2 feet. - Forecast...The river is expected to rise to a crest of 10.3 feet early Sunday morning. - Flood stage is 8.0 feet. - Flood History...This crest compares to a previous crest of 10.3 feet on 04/17/2023. - 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 Tuesday afternoon at noon EDT.

Flood Watch issued April 14 at 3:28AM EDT until April 15 at 8:00AM EDT by NWS Marquette MI

Effective: Tue April 14, 2026, 3:28 AM
Expires: Tue April 14, 2026, 7:30 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.

Flood Warning issued April 14 at 11:59AM EDT by NWS Marquette MI

Effective: Tue April 14, 2026, 11:59 AM
Expires: Wed April 15, 2026, 4:00 AM

...The Flood Warning continues for the following rivers in Michigan... Sturgeon River near Chassell affecting Baraga and Houghton Counties. Sturgeon River near Alston affecting Baraga and Houghton Counties. Paint River at Crystal Falls (Paint) affecting Iron County. Chocolay River near Harvey affecting Marquette County. Sturgeon River near Nahma Junction affecting Delta County. .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. * 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 8:25 AM EDT Tuesday the stage was 10.5 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:25 AM EDT Tuesday was 10.5 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 400 AM EDT /300 AM CDT/.

Flood Warning issued April 14 at 11:59AM EDT by NWS Marquette MI

Effective: Tue April 14, 2026, 11:59 AM
Expires: Wed April 15, 2026, 4:00 AM

...The Flood Warning continues for the following rivers in Michigan... Sturgeon River near Chassell affecting Baraga and Houghton Counties. Sturgeon River near Alston affecting Baraga and Houghton Counties. Paint River at Crystal Falls (Paint) affecting Iron County. Chocolay River near Harvey affecting Marquette County. Sturgeon River near Nahma Junction affecting Delta County. .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 minor flooding is forecast. * WHERE...Sturgeon River near Alston. * WHEN...Until further notice. * 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 11:30 AM EDT Tuesday the stage was 8.1 feet. - Bankfull stage is 7.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:30 AM EDT Tuesday was 8.1 feet. - Forecast...The river is expected to rise to a crest of 10.9 feet Saturday evening. - 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 late tonight at 400 AM EDT /300 AM CDT/.