Station Name: South Haven Buoy, MI
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 574 feet

Nearest Address:
Offshore
South Haven, MI 49090
Van Buren County

GPS Coordinates: 42.397, -86.331

Nearby Water Temperatures

Freeze Warning issued April 19 at 7:34AM EDT until April 20 at 11:00AM EDT by NWS Grand Rapids MI

Effective: Sun April 19, 2026, 7:34 AM
Expires: Sun April 19, 2026, 3:45 PM

* WHAT...Sub-freezing temperatures as low as 20 expected. * WHERE...Portions of central, south central, southwest, and west central Michigan. * WHEN...From 11 PM this evening to 11 AM EDT Monday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.

Frost Advisory issued April 19 at 1:34AM EDT until April 19 at 9:00AM EDT by NWS Northern Indiana

Effective: Sun April 19, 2026, 1:34 AM
Expires: Sun April 19, 2026, 5:45 PM

* WHAT...For the Frost Advisory, temperatures as low as 32 will result in frost formation. For the Freeze Warning, sub-freezing temperatures as low as 25 expected. * WHERE...Portions of northern Indiana, southwest Michigan, and northwest Ohio. * WHEN...For the Frost Advisory, until 9 AM EDT /8 AM CDT/ this morning. For the Freeze Warning, from midnight EDT /11 PM CDT/ tonight to 11 AM EDT /10 AM CDT/ Monday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.

Freeze Warning issued April 19 at 1:34AM EDT until April 20 at 11:00AM EDT by NWS Northern Indiana

Effective: Sun April 19, 2026, 1:34 AM
Expires: Sun April 19, 2026, 5:45 PM

* WHAT...For the Frost Advisory, temperatures as low as 32 will result in frost formation. For the Freeze Warning, sub-freezing temperatures as low as 25 expected. * WHERE...Portions of northern Indiana, southwest Michigan, and northwest Ohio. * WHEN...For the Frost Advisory, until 9 AM EDT /8 AM CDT/ this morning. For the Freeze Warning, from midnight EDT /11 PM CDT/ tonight to 11 AM EDT /10 AM CDT/ Monday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.

Flood Warning issued April 18 at 9:53PM EDT until April 23 at 2:00AM EDT by NWS Northern Indiana

Effective: Sat April 18, 2026, 9:53 PM
Expires: Sun April 19, 2026, 4:00 PM

...The Flood Warning continues for the following rivers in Indiana... Michigan...Ohio... Tippecanoe River near Ora affecting Pulaski County. Saint Joseph River Michigan at Niles affecting Cass MI, Berrien and St. Joseph Counties. Saint Joseph River Michigan at South Bend affecting Elkhart, Berrien and St. Joseph Counties. North Branch Elkhart River at Cosperville affecting Noble County. Saint Joseph River Ohio near Newville affecting Allen IN, De Kalb and Defiance Counties. Saint Joseph River Ohio below Montpelier affecting Williams County. Tiffin River at Stryker affecting Defiance, Fulton OH and Williams Counties. Saint Joseph River Michigan at Three Rivers affecting Elkhart, St. Joseph MI and Branch Counties. ...The Flood Warning is extended for the following rivers in Indiana... Tippecanoe River above Winamac affecting White, Carroll and Pulaski Counties. For the Tippecanoe River...including Ora, Winamac, Norway Dam... Minor flooding is forecast. For the Saint Joseph River Ohio...including Montpelier, Newville, St. Joe River Ft. Wayne...Minor flooding is forecast. For the Tiffin River...including Stryker...Minor flooding is forecast. For the Saint Joseph River Michigan...including Three Rivers, Mottville, Elkhart IN, South Bend, Niles...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Saint Joseph River Michigan at Niles. * WHEN...Until early Thursday morning. * IMPACTS...At 11.0 feet, Minor flooding of low lying areas adjacent to the river, Island Park, and basement flooding of residences along River and Mairmont Streets in Niles can be expected. * ADDITIONAL DETAILS... - At 8:45 PM EDT Saturday the stage was 10.8 feet. - Forecast...The river is expected to rise above flood stage just after midnight tonight to a crest of 11.2 feet tomorrow evening. It will then fall below flood stage early Wednesday morning. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood

Caution is urged when walking near riverbanks. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Detailed river forecasts and additional information can be found at www.weather.gov/iwx under Rivers and Lakes. The next statement will be issued Sunday afternoon at 400 PM EDT.

Flood Warning issued April 18 at 9:53PM EDT until April 24 at 2:00PM EDT by NWS Northern Indiana

Effective: Sat April 18, 2026, 9:53 PM
Expires: Sun April 19, 2026, 4:00 PM

...The Flood Warning continues for the following rivers in Indiana... Michigan...Ohio... Tippecanoe River near Ora affecting Pulaski County. Saint Joseph River Michigan at Niles affecting Cass MI, Berrien and St. Joseph Counties. Saint Joseph River Michigan at South Bend affecting Elkhart, Berrien and St. Joseph Counties. North Branch Elkhart River at Cosperville affecting Noble County. Saint Joseph River Ohio near Newville affecting Allen IN, De Kalb and Defiance Counties. Saint Joseph River Ohio below Montpelier affecting Williams County. Tiffin River at Stryker affecting Defiance, Fulton OH and Williams Counties. Saint Joseph River Michigan at Three Rivers affecting Elkhart, St. Joseph MI and Branch Counties. ...The Flood Warning is extended for the following rivers in Indiana... Tippecanoe River above Winamac affecting White, Carroll and Pulaski Counties. For the Tippecanoe River...including Ora, Winamac, Norway Dam... Minor flooding is forecast. For the Saint Joseph River Ohio...including Montpelier, Newville, St. Joe River Ft. Wayne...Minor flooding is forecast. For the Tiffin River...including Stryker...Minor flooding is forecast. For the Saint Joseph River Michigan...including Three Rivers, Mottville, Elkhart IN, South Bend, Niles...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Saint Joseph River Michigan at South Bend. * WHEN...Until early Friday afternoon. * IMPACTS...At 6.0 feet, Flooding is confined to mostly park land and golf courses. Leeper Park and Petro golf courses begin to flood. * ADDITIONAL DETAILS... - At 9:15 PM EDT Saturday the stage was 6.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:15 PM EDT Saturday was 6.0 feet. - Forecast...The river is expected to rise to a crest of 6.2 feet early Monday morning. It will then fall below flood stage early Thursday afternoon. - Flood stage is 5.5 feet. - http://www.weather.gov/safety/flood

Caution is urged when walking near riverbanks. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Detailed river forecasts and additional information can be found at www.weather.gov/iwx under Rivers and Lakes. The next statement will be issued Sunday afternoon at 400 PM EDT.