LMZ744 Expires:202405212115;;603997 Fzus53 Klot 211458 Nshlot
nearshore marine forecast national weather service chicago/romeoville il 958 am cdt Tue may 21 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.
lmz742>745-212115- northerly island to calumet harbor il- calumet harbor il to gary in-gary to burns harbor in- burns harbor to michigan city in- 958 am cdt Tue may 21 2024
.small craft advisory in effect from noon cdt through late tonight...
Rest of today..Southeast winds 15 to 20 kt late in the morning becoming south and increasing to 30 kt through the afternoon. Partly cloudy. Waves around 1 ft building to 1 to 3 ft.
Tonight..South winds to 30 kt with occasional gale force gusts to 35 kt becoming southwest after midnight, then diminishing to 15 to 25 kt by Sunrise. A period of showers and Thunderstorms late in the evening. Some Thunderstorms may be severe with wind gusts over 50 kt. Waves 2 to 4 ft.
Wednesday..Southwest winds 10 to 20 kt becoming west. Partly cloudy in the morning then clearing. Waves 1 to 3 ft.
Wednesday night..West winds 10 to 15 kt diminishing to 5 to 10 kt. Mostly clear. Waves 1 to 2 ft.