FZUS53 KIWX 041957 NSHIWX Nearshore Marine Forecast National Weather Service Northern Indiana 357 PM EDT Tue Aug 4 2026 For waters within five nautical miles of shore on Lake Michigan LMZ043-046-050215- New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI- 357 PM EDT Tue Aug 4 2026 .TONIGHT...South winds 10 knots or less. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...Southwest winds 5 to 10 knots becoming west. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...West winds 10 knots or less becoming southwest. Showers with a chance of thunderstorms. Waves 1 foot or less. .THURSDAY...South winds 10 knots or less becoming north. A chance of showers with a slight chance of thunderstorms. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. The water temperature at Michigan City is 66 degrees. $$