Point Forecast: 6NM ESE Chicago IL
 41.81N 87.56W
Last Update: 2:26 am CDT Jul 19, 2025
Tabular Forecast
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Weather ElementsMarine WeatherProbabilistic Forecasts (Experimental)
Description | Survey
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Wave Hght (ft)-Direction
Wave Period (s)
Freezing Spray
Quantitative Precipitation     info
    0.100.250.501.00
Snowfall     info
    0.1in1in3in6in12in

48-Hour Period Starting:       Back 2 Days  

Date07/1907/20
Hour (CDT)020304050607080910111213141516171819202122230001
Surface Wind (kt)444556778888899877666678
Wind DirSSSSSSSSSSSWSSWSSWSWSWWSWWSWWSWWSWWWWWNWNNW
Gust
Wave Height (ft) 000000000000000000000000
Wave Period (sec) 444443222222222222122221
Wave Direction (°)202010101030110170180180190200210230240250270280290300320120130340

Date07/21
Hour (CDT)020304050607080910111213141516171819202122230001
Surface Wind (kt)910101010111010101010101010101010101010101099
Wind DirNNNNNNNENNENNENNENNENNENNENNENNENNENNENNENNENNENNENNENENENE
Gust
Wave Height (ft) 000011122222222221111111
Wave Period (sec) 222334456666666655555555
Wave Direction (°)3501400101020202020303030303030303030303020202020

Additional Forecasts and Information
International System of UnitsForecast Discussion
Marine Point ForecastHourly Weather Graph
National Marine ForecastsTide Information
Graphical Hazardous Weather OutlookHazardous Weather
Regional Weather ConditionsPast Weather Information