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

Dense Fog Advisory issued April 17 at 2:12AM EDT until April 17 at 11:00AM EDT by NWS Grand Rapids MI

Effective: Fri April 17, 2026, 2:12 AM
Expires: Fri April 17, 2026, 10:15 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of central, south central, southwest and west central Michigan. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Low visibility will make for hazardous driving conditions. Fog is expected to gradually thicken overnight and will affect the morning commute.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Flood Warning issued April 16 at 11:54AM EDT until April 21 at 2:00PM EDT by NWS Northern Indiana

Effective: Thu April 16, 2026, 11:54 AM
Expires: Fri April 17, 2026, 6:00 AM

...The Flood Warning is extended for the following rivers in Indiana...Ohio...Michigan... Tippecanoe River near Ora affecting Pulaski County. Eel River at North Manchester affecting Wabash, Whitley, Cass IN, Miami and Kosciusko Counties. Saint Joseph River Ohio below Montpelier affecting Williams County. Saint Joseph River Ohio near Newville affecting Allen IN, Defiance and De Kalb Counties. Tiffin River at Stryker affecting Fulton OH, Defiance and Williams Counties. Saint Joseph River Michigan at Three Rivers affecting Elkhart, St. Joseph MI and Branch Counties. ...The Flood Warning continues for the following rivers in Indiana... Michigan... Saint Joseph River Michigan at South Bend affecting Berrien, Elkhart and St. Joseph Counties. Saint Joseph River Michigan at Niles affecting Berrien, St. Joseph and Cass MI Counties. North Branch Elkhart River at Cosperville affecting Noble County. ...The Flood Warning is cancelled for the following rivers in Indiana...Michigan... Saint Joseph River Michigan at Elkhart IN affecting Elkhart, St. Joseph MI, St. Joseph and Cass MI 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...Moderate 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...From Friday morning to early Tuesday afternoon. * 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 10:45 AM EDT Thursday the stage was 10.1 feet. - Forecast...The river is expected to rise above flood stage late tomorrow morning to a crest of 11.4 feet early Saturday morning. It will then fall below flood stage early Monday afternoon. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood

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. Caution is urged when walking near riverbanks. Detailed river forecasts and additional information can be found at www.weather.gov/iwx under Rivers and Lakes. The next statement will be issued this afternoon at 100 PM EDT.

Flood Warning issued April 16 at 11:54AM EDT until April 23 at 8:00AM EDT by NWS Northern Indiana

Effective: Thu April 16, 2026, 11:54 AM
Expires: Fri April 17, 2026, 6:00 AM

...The Flood Warning is extended for the following rivers in Indiana...Ohio...Michigan... Tippecanoe River near Ora affecting Pulaski County. Eel River at North Manchester affecting Wabash, Whitley, Cass IN, Miami and Kosciusko Counties. Saint Joseph River Ohio below Montpelier affecting Williams County. Saint Joseph River Ohio near Newville affecting Allen IN, Defiance and De Kalb Counties. Tiffin River at Stryker affecting Fulton OH, Defiance and Williams Counties. Saint Joseph River Michigan at Three Rivers affecting Elkhart, St. Joseph MI and Branch Counties. ...The Flood Warning continues for the following rivers in Indiana... Michigan... Saint Joseph River Michigan at South Bend affecting Berrien, Elkhart and St. Joseph Counties. Saint Joseph River Michigan at Niles affecting Berrien, St. Joseph and Cass MI Counties. North Branch Elkhart River at Cosperville affecting Noble County. ...The Flood Warning is cancelled for the following rivers in Indiana...Michigan... Saint Joseph River Michigan at Elkhart IN affecting Elkhart, St. Joseph MI, St. Joseph and Cass MI 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...Moderate 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 South Bend. * WHEN...From this evening to Thursday, April 23. * 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 11:15 AM EDT Thursday the stage was 5.2 feet. - Forecast...The river is expected to rise above flood stage this evening to a crest of 6.3 feet early Saturday morning. It will then fall below flood stage Wednesday morning. - Flood stage is 5.5 feet. - http://www.weather.gov/safety/flood

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. Caution is urged when walking near riverbanks. Detailed river forecasts and additional information can be found at www.weather.gov/iwx under Rivers and Lakes. The next statement will be issued this afternoon at 100 PM EDT.

Dense Fog Advisory issued April 16 at 10:31PM EDT until April 17 at 8:00AM EDT by NWS Northern Indiana

Effective: Thu April 16, 2026, 10:31 PM
Expires: Fri April 17, 2026, 8:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of northern Indiana, southwest Michigan, and northwest Ohio. * WHEN...Until 8 AM EDT /7 AM CDT/ Friday. * IMPACTS...Low visibility will make for hazardous driving conditions. Fog is expected to gradually thicken overnight and will affect the morning commute.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Flood Warning issued April 16 at 11:27AM EDT by NWS Grand Rapids MI

Effective: Thu April 16, 2026, 11:27 AM
Expires: Fri April 17, 2026, 1:30 PM

...The Flood Warning continues for the following rivers in Michigan... Grand River at Lansing affecting Ingham County. Red Cedar River At East Lansing affecting Ingham County. Thornapple River Above Hastings affecting Barry County. Thornapple River Near Caledonia affecting Kent County. Sycamore Creek At Holt affecting Ingham County. Maple River at Maple Rapids affecting Clinton County. Portage River near Vicksburg affecting Kalamazoo County. Muskegon River at Bridgeton affecting Newaygo County. Muskegon River at Newaygo affecting Newaygo County. Muskegon River At Evart affecting Osceola County. ...The Flood Warning is extended for the following rivers in Michigan... Grand River at Ionia affecting Ionia County. Looking Glass River Near Eagle affecting Clinton County. White River near Whitehall affecting Muskegon County. Chippewa River below Mt. Pleasant affecting Isabella County. Pine River at Alma affecting Gratiot County. * WHAT...Minor flooding is occurring and minor flooding is forecast. This approaches the flood of record. * WHERE...Portage River near Vicksburg. * WHEN...Until further notice. * IMPACTS...At 5.5 feet, Minor basement flooding begins at the first house near the gage. * ADDITIONAL DETAILS... - At 5:30 PM EDT Wednesday the stage was 5.2 feet. - Bankfull stage is 4.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 5:30 PM EDT Wednesday was 5.2 feet. - Forecast...The river is expected to rise to a crest of 5.4 feet this afternoon. - Flood stage is 5.0 feet. - Flood History...This crest compares to a previous crest of 5.4 feet on 03/05/1976. - http://www.weather.gov/safety/flood

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/grr.