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Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
998 FZUS53 KLOT 010210 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 910 PM CDT Sun Jun 30 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>742-010915- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 910 PM CDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT MONDAY... .REST OF TONIGHT...North winds 15 to 20 kt becoming northeast and gradually diminishing to 10 to 15 kt. Clear. Waves 3 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft by morning. .MONDAY...East winds 10 to 15 kt. Sunny. Waves 2 to 4 ft subsiding to 1 to 2 ft. .MONDAY NIGHT...East winds 10 to 15 kt becoming southeast 15 to 20 kt overnight. Mostly clear in the evening, then becoming partly cloudy. Waves 1 to 2 ft building to 2 to 4 ft. .TUESDAY...South winds 15 to 20 kt. Chance of showers in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 2 to 4 ft. $$ LMZ743>745-010915- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 910 PM CDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT MONDAY... .REST OF TONIGHT...North winds 20 to 25 kt becoming northeast and gradually diminishing to 10 to 15 kt. Clear. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft by morning. .MONDAY...East winds 10 to 15 kt becoming northeast 5 to 10 kt in the afternoon. Sunny. Waves 2 to 4 ft subsiding to 1 to 2 ft. .MONDAY NIGHT...East winds 10 to 15 kt becoming southeast 15 to 20 kt overnight. Mostly clear. Waves 1 to 2 ft. .TUESDAY...South winds 15 to 20 kt. Slight chance of showers in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 ft. $$ Ratzer