Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
318 FZUS53 KLOT 291449 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 949 AM CDT Mon Apr 29 2024 For waters within five nautical miles of shore on Lake Michigan Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered. LMZ740>742-292100- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 949 AM CDT Mon Apr 29 2024 .REST OF TODAY...South winds 15 to 20 kt becoming southwest 15 to 25 kt. Patchy fog late in the morning. Chance of showers in the afternoon. Waves 1 to 3 ft. .TONIGHT...West winds 10 to 20 kt diminishing to 5 to 10 kt. Mostly cloudy in the evening then clearing. Waves 1 to 2 ft. .TUESDAY...West winds 5 to 10 kt becoming east 10 to 15 kt in the afternoon. Sunny. Waves 1 ft or less. .TUESDAY NIGHT...Southeast winds 10 to 15 kt becoming south overnight. Chance of showers overnight. Waves 1 to 2 ft. $$ LMZ743>745-292100- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 949 AM CDT Mon Apr 29 2024 .REST OF TODAY...South winds 15 to 20 kt becoming southwest 15 to 25 kt. Patchy fog late in the morning. Chance of showers in the afternoon. Waves 1 to 3 ft. .TONIGHT...West winds 10 to 20 kt diminishing to 5 to 10 kt. Mostly cloudy in the evening, then becoming partly cloudy. Waves 1 to 3 ft. .TUESDAY...West winds 5 to 10 kt becoming northeast in the afternoon. Mostly sunny. Waves around 1 ft. .TUESDAY NIGHT...East winds 5 to 10 kt becoming south 10 to 15 kt overnight. Slight chance of showers overnight. Waves 1 to 2 ft. $$