Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
620 FZUS53 KLOT 231944 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 244 PM CDT Mon Sep 23 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>742-240315- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 244 PM CDT Mon Sep 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TONIGHT...Northeast winds 10 to 15 kt becoming east 5 to 10 kt late. Showers after midnight. Waves 3 to 6 ft occasionally to 8 ft subsiding to 1 to 3 ft. .TUESDAY...Northeast winds 10 to 15 kt becoming northwest 15 to 20 kt in the afternoon. Slight chance of waterspouts. Showers. Waves 2 to 4 ft. .TUESDAY NIGHT...Northwest 15 to 20 kt. Slight chance of waterspouts. Chance of showers in the evening. Waves 2 to 4 ft. .WEDNESDAY...North winds 10 to 20 kt in the morning. Decreasing cloudiness. Waves 1 to 3 ft. $$ LMZ743>745-240315- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 244 PM CDT Mon Sep 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TONIGHT...Northeast winds 10 to 15 kt becoming east late. Showers after midnight. Waves 3 to 6 ft occasinoally to 8 ft subsiding to 1 to 3 ft. .TUESDAY...East winds 5 to 10 kt becoming northwest and increasing to 15 to 20 kt in the afternoon. Slight chance of waterspouts. Showers. Waves 2 to 4 ft. .TUESDAY NIGHT...Northwest winds 15 to 20 kt. Slight chance of waterspouts. Showers. Waves 2 to 4 ft. .WEDNESDAY...North winds 10 to 20 kt. Mostly cloudy in the morning then clearing. Waves 2 to 4 ft. $$ Borchardt