FZUS53 KIWX 200812 NSHIWX Nearshore Marine Forecast National Weather Service Northern Indiana 412 AM EDT Fri Mar 20 2026 For waters within five nautical miles of shore on Lake Michigan LMZ043-046-201530- New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI- 412 AM EDT Fri Mar 20 2026 .TODAY...Southwest winds 10 to 15 knots becoming northwest. Mostly cloudy. Waves 1 to 3 feet. .TONIGHT...North winds 10 knots or less becoming northeast. Mostly cloudy. Waves 1 to 3 feet. .SATURDAY...East winds 10 knots or less becoming south. Partly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...South winds 5 to 15 knots becoming southwest. Partly cloudy. Waves 2 feet or less. The water temperature at St. Joseph is 39 degrees and at Michigan City is 39 degrees. $$