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 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.

Flood Warning issued April 11 at 10:13PM EDT by NWS Marquette MI

Effective: Sat April 11, 2026, 10:13 PM
Expires: Sun April 12, 2026, 12:00 PM

...The Flood Warning is extended for the following rivers in Michigan... Sturgeon River near Alston affecting Houghton and Baraga Counties. .Warming temperatures will accelerate snowmelt over the weekend into early next week. Flows in rivers will increase quickly and reach critical levels. Rainfall, potentially heavy at times, is expected during this time period which could result in rivers rising above the current forecast. * WHAT...Minor flooding is forecast. * WHERE...Sturgeon River near Alston. * WHEN...From Monday morning 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 Saturday the stage was 5.2 feet. - Bankfull stage is 7.5 feet. - Forecast...The river is expected to rise above flood stage late Monday morning and continue rising to a crest of 10.5 feet Friday evening. - Flood stage is 8.0 feet. - Flood History...This crest compares to a previous crest of 10.5 feet on 05/01/2013. - 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 Sunday afternoon at noon EDT.

Special Weather Statement issued April 12 at 8:20AM EDT by NWS Marquette MI

Effective: Sun April 12, 2026, 8:20 AM
Expires: Sun April 12, 2026, 10:30 AM

Dense fog of a quarter mile or less is being seen in the higher terrain of the Keweenaw, mainly north of Houghton. While the fog is expected to erode away over the next couple of hours, drivers should keep on their low-beam headlights and reduce their speeds in the fog bank.