Water Temperature of Lake Michigan Near Winthrop Harbor, IL

Current Water Temperature

48.9°F

Measurement Time: Tuesday, November 25, 2025, 6:30 AM CST

Temperature Locations

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Local Points of Interest

Pleasant Prairie, WI

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Lake Michigan

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

Elevation Above Sea Level: 574 feet / 175 meters

Nearest Address:
Offshore
Winthrop Harbor, IL 60096
Lake County

GPS Coordinates: 42.491, -87.779

Nearby Water Temperatures

Lake Michigan, Waukegan, IL (8.5 mi)
Lake Michigan, Racine, WI (16.1 mi)
Fox River, Burlington, WI (24.2 mi)
Lake Michigan, Wilmette, IL (25.4 mi)
Fox River, McHenry, IL (26.8 mi)
Root River, Franklin, WI (27.4 mi)
Lake Michigan, Milwaukee, WI (37.3 mi)
Honey Creek, Wauwatosa, WI (39.9 mi)
Lake Michigan, Lake Michigan, MI (40.3 mi)
Eagle Spring Lake, Mukwonago, WI (41.7 mi)
Lake Michigan, Chicago, IL (42.8 mi)
Chicago River, Chicago, IL (45.4 mi)
Cal-Sag Channel, Blue Island, IL (58.2 mi)
Grand Calumet River, Chicago, IL (59.2 mi)
Indiana Harbor Canal, East Chicago, IN (60.3 mi)

Weather Near Winthrop Harbor, Illinois

Current Weather

30°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 60%
Feels Like: 16.5°F
Wind: WNW 23 mph
Wind Gusts: 30.7 mph
Pressure: 30.03 in
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Light freezing rain
Wed
H: 35°F
L: 30°F
Partly Cloudy
Thu
H: 37°F
L: 24°F
Sunny
Fri
H: 35°F
L: 24°F
Blowing snow
Sat
H: 33°F
L: 26°F
Blowing snow
Sun
H: 28°F
L: 11°F

Air Quality

AQI: 1 - Good
PM2.5: 1.25 μg/m3
PM10: 1.35 μg/m3
Carbon Monoxide: 162.85 μg/m3
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 75 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 11:38 AM
Sunset: 4:21 PM
Daylight: 9 hrs 25 mins
Moonrise: 11:57 AM
Moon Transit: 4:55 PM
Moonset: 10:03 PM
Moon Phase: First Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

4:20 AM - 6:50 AM
4:25 PM - 6:55 PM

Minor Periods

9:33 PM - 11:03 PM
11:27 AM - 12:57 AM

Action Rating: 4 out of 5

Wind Advisory issued November 26 at 9:37AM CST until November 26 at 9:00PM CST by NWS Chicago IL

Effective: Wed November 26, 2025, 9:37 AM
Expires: Wed November 26, 2025, 7:45 PM

* WHAT...West winds 25 to 35 mph with gusts up to 55 mph occurring. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...Until 9 PM CST /10 PM EST/ this evening. * IMPACTS...Gusty winds will blow around unsecured objects including holiday decorations. Tree limbs could be blown down and a few power outages may result. Travel will be difficult in open areas and on north to south oriented roadways. * ADDITIONAL DETAILS...Sporadic localized gusts around 60 mph are possible by early afternoon, especially near the Wisconsin state line

Secure lightweight outdoor objects, including holiday decorations and furniture. Use plenty of extra caution when driving a high profile vehicle.


Wind Advisory issued November 26 at 2:14PM CST until November 26 at 9:00PM CST by NWS Chicago IL

Effective: Wed November 26, 2025, 2:14 PM
Expires: Wed November 26, 2025, 9:00 PM

* WHAT...West winds 20 to 30 mph with gusts up to 50 to 55 mph occurring. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...Until 9 PM CST /10 PM EST/ this evening. * IMPACTS...Gusty winds will blow around unsecured objects including holiday decorations. Tree limbs could be blown down and a few power outages may result. Travel will be difficult in open areas and on north to south oriented roadways. * ADDITIONAL DETAILS...Sporadic localized gusts around 60 mph through early evening, especially near the Wisconsin state line

Secure lightweight outdoor objects, including holiday decorations and furniture. Use plenty of extra caution when driving a high profile vehicle.


Wind Advisory issued November 26 at 9:45AM CST until November 26 at 6:00PM CST by NWS Milwaukee/Sullivan WI

Effective: Wed November 26, 2025, 9:45 AM
Expires: Wed November 26, 2025, 5:45 PM

* WHAT...West winds 25 to 30 mph with gusts up to 50 mph. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...Until 6 PM CST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.


Special Weather Statement issued November 26 at 6:03PM CST by NWS Milwaukee/Sullivan WI

Effective: Wed November 26, 2025, 6:03 PM
Expires: Wed November 26, 2025, 10:00 PM

Wet roadways due to recent snowfall and below freezing temperatures are beginning to cause to slick spots on roadways, particularly on bridges, overpasses, and other elevated surfaces. Though no additional accumulating snow is expected Tonight, temperatures will continue to fall, and wet surfaces will freeze. Several roadways in east-central Wisconsin have received a thin layer of snow cover as well, leading to additional slick spots. Exercise caution when driving or walking on pavement this evening.


Wednesday, November 26, 2025

Weather Forecast

Conditions: Light freezing rain
Average Temperature: 33.6°F
Average Humidity: 77%
Chance of Rain: 76%
Wind: 30.2 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 4.34 μg/m3
PM10: 4.36 μg/m3
Carbon Monoxide: 209.77 μg/m3
Nitrogen Dioxide: 9.14 μg/m3
Sulphur Dioxide: 2.17 μg/m3
Ozone: 55.16 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 11:38 AM
Sunset: 4:21 PM
Daylight: 9 hrs 25 mins
Moonrise: 11:57 AM
Moon Transit: 4:55 PM
Moonset: 10:03 PM
Moon Phase: First Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

4:20 AM - 6:50 AM
4:25 PM - 6:55 PM

Minor Periods

9:33 PM - 11:03 PM
11:27 AM - 12:57 AM

Action Rating: 4 out of 5

Thursday, November 27, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 29.7°F
Average Humidity: 66%
Chance of Rain: 0%
Wind: 22.6 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 1.71 μg/m3
PM10: 1.75 μg/m3
Carbon Monoxide: 163.73 μg/m3
Nitrogen Dioxide: 3.18 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 73.52 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 11:38 AM
Sunset: 4:21 PM
Daylight: 9 hrs 24 mins
Moonrise: 12:21 AM
Moon Transit: 5:41 PM
Moonset: 11:12 PM
Moon Phase: First Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

5:06 AM - 7:36 AM
5:11 PM - 7:41 PM

Minor Periods

12:00 AM - 12:00 AM
11:51 AM - 1:21 PM

Action Rating: 2 out of 5

Friday, November 28, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 27.8°F
Average Humidity: 64%
Chance of Rain: 0%
Wind: 15.7 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 2.31 μg/m3
PM10: 2.33 μg/m3
Carbon Monoxide: 171.57 μg/m3
Nitrogen Dioxide: 4.47 μg/m3
Sulphur Dioxide: 1.57 μg/m3
Ozone: 71.2 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 11:39 AM
Sunset: 4:20 PM
Daylight: 9 hrs 22 mins
Moonrise: 12:42 AM
Moon Transit: 6:26 PM
Moonset: 12:12 AM
Moon Phase: First Quarter
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

5:52 AM - 8:22 AM
5:56 PM - 8:26 PM

Minor Periods

12:12 AM - 1:42 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, November 29, 2025

Weather Forecast

Conditions: Blowing snow
Average Temperature: 29.2°F
Average Humidity: 85%
Chance of Rain: 80%
Wind: 19 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 9.69 μg/m3
PM10: 9.86 μg/m3
Carbon Monoxide: 286.33 μg/m3
Nitrogen Dioxide: 22 μg/m3
Sulphur Dioxide: 6.61 μg/m3
Ozone: 46 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 11:39 AM
Sunset: 4:20 PM
Daylight: 9 hrs 21 mins
Moonrise: 1:03 PM
Moon Transit: 8:12 PM
Moonset: 12:23 AM
Moon Phase: First Quarter
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

7:42 PM - 10:12 PM
7:42 PM - 10:12 PM

Minor Periods

12:33 AM - 2:03 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, November 30, 2025

Weather Forecast

Conditions: Blowing snow
Average Temperature: 24.4°F
Average Humidity: 92%
Chance of Rain: 72%
Wind: 19.5 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 4.86 μg/m3
PM10: 4.9 μg/m3
Carbon Monoxide: 203.16 μg/m3
Nitrogen Dioxide: 11.25 μg/m3
Sulphur Dioxide: 4.19 μg/m3
Ozone: 62 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 11:39 AM
Sunset: 4:19 PM
Daylight: 9 hrs 19 mins
Moonrise: 1:25 PM
Moon Transit: 8:00 PM
Moonset: 1:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:30 PM - 10:00 PM

Minor Periods

12:55 AM - 2:25 PM
1:05 AM - 2:35 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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