Station Name: Winthrop Harbor Buoy, IL
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 574 feet

Nearest Address:
Offshore
Winthrop Harbor, IL 60096
Lake County

GPS Coordinates: 42.491, -87.779

Nearby Water Temperatures

Flood Watch issued April 15 at 4:15AM CDT by NWS Milwaukee/Sullivan WI

Effective: Wed April 15, 2026, 4:15 AM
Expires: Wed April 15, 2026, 12:15 PM

...The Flood Watch continues for the following rivers in Wisconsin... Illinois... Fox River Lower Near New Munster affecting Kenosha and Lake Counties. * WHAT...Flooding is possible. * WHERE...Fox River Lower near New Munster. * WHEN...Until further notice. * IMPACTS...At 12.0 feet, Water is up to the first floor levels of some homes in the Town of Wheatland and Village of Salem Lakes area along Riverside Drive and Shorewood Drive. * ADDITIONAL DETAILS... - At 3:00 AM CDT Wednesday the stage was 10.3 feet. - Forecast...Flood stage may be reached late this evening. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood

Residents and those with interests near the river should monitor rising water levels and be prepared for possible flood warnings. If you are in the watch area, remain alert to possible flooding. Additional information is available at www.weather.gov. The next statement will be issued this afternoon at 1215 PM CDT.

Hydrologic Outlook issued April 14 at 12:33PM CDT by NWS Chicago IL

Effective: Tue April 14, 2026, 12:33 PM
Expires: Wed April 15, 2026, 12:00 PM

ESFLOT Waves of showers and thunderstorms are expected this evening through the end of the week. Urban and river flooding will be possible. Atmospheric conditions are favorable for some thunderstorms to have rainfall rates in excess of 1 to 2 inches per hour tonight and tomorrow. In addition, some rivers and streams remain elevated from recent rainfall and soil moisture is elevated across most of northern Illinois and northwestern Indiana. In urban and poor drainage areas isolated flooding of roadways, creeks, and streams may occur with areas of heaviest rainfall. Widespread rainfall may also lead to river rises and possible flooding, in particular along already elevated rivers such as the Fox, Des Plaines, and Kankakee. Additional chances for rainfall are expected to continue through the remainder of the week. This outlook means that elevated water levels and potential impacts are possible, but not yet certain. Persons should closely monitor forecasts including the possibility of flood watches, warnings, and advisories. This product will be updated by tomorrow morning.

Flood Watch issued April 15 at 12:24AM CDT by NWS Chicago IL

Effective: Wed April 15, 2026, 12:24 AM
Expires: Wed April 15, 2026, 6:30 PM

...The National Weather Service in Chicago IL has issued a Flood Watch for the following rivers in Illinois... Des Plaines River near Des Plaines affecting Central Cook and Northern Cook zones. Des Plaines River near Russell affecting Lake IL zone. Des Plaines River at Lincolnshire affecting Lake IL and Northern Cook zones. For the Des Plaines River...including Russell, Lincolnshire, Des Plaines...flooding is possible. * WHAT...Flooding is possible. * WHERE...Des Plaines River from IL/WI state line downstream to US-41 in Gurnee, including the Russell gauge. * WHEN...From this morning until further notice. * IMPACTS...At 7.0 feet, Low-lying wetlands and agricultural land is inundated near the river. * ADDITIONAL DETAILS... - At 11:30 PM CDT Tuesday the stage was 6.2 feet. - Forecast...Due to recent and forecast rain, the river is rising and may exceed flood stage by Thursday. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood

A Flood Watch means water levels above flood stage are possible, but not yet certain, based upon the latest forecasts. Persons along rivers and streams in the watch area should monitor the latest forecasts and be prepared to take action should flooding develop. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by this evening.

Flood Watch issued April 15 at 12:24AM CDT by NWS Chicago IL

Effective: Wed April 15, 2026, 12:24 AM
Expires: Wed April 15, 2026, 6:30 PM

...The National Weather Service in Chicago IL has issued a Flood Watch for the following rivers in Illinois... Des Plaines River near Des Plaines affecting Central Cook and Northern Cook zones. Des Plaines River near Russell affecting Lake IL zone. Des Plaines River at Lincolnshire affecting Lake IL and Northern Cook zones. For the Des Plaines River...including Russell, Lincolnshire, Des Plaines...flooding is possible. * WHAT...Flooding is possible. * WHERE...Des Plaines River from Townline Road in Libertyville downstream to Palatine Road in Prospect Heights, including the Lincolnshire gauge. * WHEN...From this morning until further notice. * IMPACTS...At 13.0 feet, Low-lying trails in Wright Woods Forest Preserve are inundated. * ADDITIONAL DETAILS... - At 11:45 PM CDT Tuesday the stage was 10.6 feet. - Forecast...Due to recent and forecast rain, the river is rising and may exceed flood stage by tomorrow. - Flood stage is 12.5 feet. - http://www.weather.gov/safety/flood

A Flood Watch means water levels above flood stage are possible, but not yet certain, based upon the latest forecasts. Persons along rivers and streams in the watch area should monitor the latest forecasts and be prepared to take action should flooding develop. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by this evening.

Flood Watch issued April 14 at 10:33PM CDT by NWS Chicago IL

Effective: Tue April 14, 2026, 10:33 PM
Expires: Wed April 15, 2026, 4:45 PM

...The National Weather Service in Chicago IL has issued a Flood Watch for the following rivers in Illinois... Des Plaines River near Gurnee affecting Lake IL zone. For the Des Plaines River...including Gurnee...flooding is possible. * WHAT...Flooding is possible. * WHERE...Des Plaines River from US-41 in Gurnee downstream to Townline Road in Vernon Hills, including the Gurnee gauge. * WHEN...From Wednesday morning until further notice. * IMPACTS...At 7.0 feet, Forest land inundated near the river in Gurnee. * ADDITIONAL DETAILS... - At 9:30 PM CDT Tuesday the stage was 6.0 feet. - Forecast...Rainfall will cause the river to rise and flood stage may be reached on Wednesday. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood

A Flood Watch means water levels above flood stage are possible, but not yet certain, based upon the latest forecasts. Persons along rivers and streams in the watch area should monitor the latest forecasts and be prepared to take action should flooding develop. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by Wednesday afternoon.