FZUS53 KIWX 231505 NSHIWX Nearshore Marine Forecast National Weather Service Northern Indiana 1105 AM EDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ046-232015- Michigan City IN to New Buffalo MI- 1105 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .THIS AFTERNOON...Northwest winds 15 to 20 knots becoming north 10 to 15 knots. Sunny. Waves 3 to 5 feet. .TONIGHT...North winds 10 knots or less becoming northwest. Mostly clear. Waves 2 to 4 feet. .MONDAY...Northwest winds 10 knots or less becoming north. Sunny. Waves around 2 feet. .MONDAY NIGHT...North winds 5 to 10 knots becoming light and variable. Mostly clear. Waves 1 to 2 feet. The water temperature at Michigan City is 73 degrees. $$ LMZ043-232015- New Buffalo MI to St Joseph MI- 1105 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... .THIS AFTERNOON...Northwest winds 15 to 20 knots. Gusts up to 25 knots. Sunny. Waves 4 to 6 feet. .TONIGHT...North winds 5 to 15 knots diminishing to less than 10 knots. Mostly clear. Waves 3 to 5 feet subsiding to 2 to 4 feet. .MONDAY...Northwest winds 10 knots or less. Sunny. Waves 2 to 3 feet. .MONDAY NIGHT...North winds 5 to 10 knots becoming light and variable. Mostly clear. Waves 1 to 2 feet. The water temperature at Michigan City is 73 degrees. $$