FZUS53 KIWX 211420 NSHIWX Nearshore Marine Forecast National Weather Service Northern Indiana 1020 AM EDT Sat Mar 21 2026 For waters within five nautical miles of shore on Lake Michigan LMZ043-046-212215- New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI- 1020 AM EDT Sat Mar 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY AFTERNOON... .THIS AFTERNOON...Southeast winds 5 to 15 knots becoming south. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...Southwest winds 10 to 15 knots. Partly cloudy. Waves 1 to 3 feet. .SUNDAY...Northwest winds 10 to 15 knots becoming north and increasing to 15 to 25 knots. Gusts up to 30 knots. A chance of rain showers. Waves 1 to 3 feet building to 5 to 8 feet. .SUNDAY NIGHT...North winds 15 to 25 knots. Gusts up to 30 knots. A chance of rain showers in the evening. Waves 6 to 9 feet subsiding to 4 to 7 feet. The water temperature at St. Joseph and at Michigan City is 39 degrees. $$