FZUS53 KIWX 200241 NSHIWX Nearshore Marine Forecast National Weather Service Northern Indiana 1041 PM EDT Thu Mar 19 2026 For waters within five nautical miles of shore on Lake Michigan LMZ043-046-200815- New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI- 1041 PM EDT Thu Mar 19 2026 .REST OF TONIGHT...Southeast winds 5 to 15 knots becoming south. Partly cloudy late this evening, then becoming mostly cloudy. Waves 2 feet or less. .FRIDAY...Southwest winds 10 to 15 knots becoming northwest. Mostly cloudy. Waves 1 to 3 feet. .FRIDAY NIGHT...North winds around 10 knots becoming light and variable. Mostly cloudy. Waves 1 to 2 feet. .SATURDAY...East winds 10 knots or less becoming south. Mostly sunny. Waves 1 foot or less. The water temperature at St. Joseph is 39 degrees and at Michigan City is 39 degrees. $$