LMZ741 Expires:202405210330;;560722 Fzus53 Klot 202102 Nshlot
nearshore marine forecast national weather service chicago/romeoville il 402 pm cdt Mon may 20 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>742-210330- winthrop harbor to wilmette harbor il- wilmette harbor to northerly island il- northerly island to calumet harbor il- 402 pm cdt Mon may 20 2024
Tonight..Southwest winds 15 to 25 kt becoming south and diminishing to 5 to 10 kt. Chance of showers and Thunderstorms. Waves 1 to 3 ft subsiding to 1 ft or less.
Tuesday..Southeast winds 5 to 10 kt increasing to 15 to 25 kt. Chance of showers and Thunderstorms in the morning, then slight chance of showers and Thunderstorms in the afternoon. Waves around 1 ft building to 2 to 4 ft.
Tuesday night..South winds to 30 kt becoming southwest overnight. Showers and Thunderstorms likely in the evening, then chance of showers and Thunderstorms overnight. Waves 2 to 4 ft.
Wednesday..Southwest winds 15 to 20 kt. Chance of showers in the afternoon. Waves 1 to 3 ft.