FZUS53 KIWX 201936 NSHIWX Nearshore Marine Forecast National Weather Service Northern Indiana 336 PM EDT Mon Apr 20 2026 For waters within five nautical miles of shore on Lake Michigan LMZ046-210400- Michigan City IN to New Buffalo MI- 336 PM EDT Mon Apr 20 2026 .TONIGHT...East winds 10 knots or less becoming south 10 to 15 knots. Mostly clear. Waves 1 to 2 feet. .TUESDAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots. A few gusts up to 25 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...West winds 10 knots or less. A chance of showers and thunderstorms. Waves 2 feet or less. .WEDNESDAY...Northwest winds less than 10 knots. Mostly sunny. Waves 1 foot or less. The water temperature at St. Joseph is 50 degrees and at Michigan City is 48 degrees. $$ LMZ043-210400- New Buffalo MI to St Joseph MI- 336 PM EDT Mon Apr 20 2026 .TONIGHT...East winds 10 knots or less becoming south 10 to 15 knots. Mostly clear. Waves 2 feet or less. .TUESDAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots. A few gusts up to 25 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet. .TUESDAY NIGHT...West winds 10 knots or less. A chance of showers and thunderstorms. Waves 2 feet or less. .WEDNESDAY...Northwest winds less than 10 knots. Mostly sunny. Waves 1 foot or less. The water temperature at St. Joseph is 50 degrees and at Michigan City is 48 degrees. $$