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Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
354 FZUS53 KLOT 150915 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 415 AM CDT Mon Jul 15 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>742-151515- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 415 AM CDT Mon Jul 15 2024 .TODAY...Southwest winds 5 to 10 kt becoming south and increasing to 15 to 20 kt this afternoon. Patchy fog in the morning. Waves 1 ft or less building to 1 to 2 ft. .TONIGHT...Southwest winds 10 to 20 kt. Showers and thunderstorms likely in the evening, then chance of showers and thunderstorms overnight. Some thunderstorms may be severe in the evening. Waves 1 to 2 ft. .TUESDAY...West winds 10 to 15 kt becoming north in the afternoon. Slight chance of showers and thunderstorms in the morning. Waves 1 to 2 ft. .TUESDAY NIGHT...Northeast winds 5 to 10 kt becoming northwest overnight. Partly cloudy in the evening then clearing. Waves 1 to 2 ft. $$ LMZ743>745-151515- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 415 AM CDT Mon Jul 15 2024 .TODAY...Southwest winds 5 to 10 kt increasing to 10 to 20 kt becoming south this afternoon. Mostly cloudy in the morning, then becoming partly cloudy. Waves 1 to 2 ft. .TONIGHT...Southwest winds 15 to 20 kt diminishing to 10 to 15 kt. Showers and thunderstorms likely in the evening, then chance of showers and thunderstorms overnight. Some thunderstorms may be severe in the evening. Waves 1 to 3 ft. .TUESDAY...West winds 10 to 15 kt becoming north in the afternoon. Chance of showers and thunderstorms in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 1 to 3 ft. .TUESDAY NIGHT...Northeast winds 5 to 10 kt becoming north overnight. Partly cloudy in the evening then clearing. Waves 1 to 2 ft. $$ Ratzer