Nearshore Marine Forecast
Issued by NWS Northern Indiana
Issued by NWS Northern Indiana
359 FZUS53 KIWX 180742 NSHIWX Nearshore Marine Forecast National Weather Service Northern Indiana 342 AM EDT Sat Oct 18 2025 For waters within five nautical miles of shore on Lake Michigan LMZ046-181415- Michigan City IN to New Buffalo MI- 342 AM EDT Sat Oct 18 2025 ...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... .TODAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots. Showers likely with a slight chance of thunderstorms this morning, then showers with a chance of thunderstorms this afternoon. Waves 1 to 3 feet. .TONIGHT...Southwest winds 5 to 15 knots becoming northwest. Showers with a chance of thunderstorms. Waves 1 foot or less. .SUNDAY...Northwest winds 15 to 25 knots increasing to 30 knots. Gusts up to 40 knot gales. Showers. Waves 3 to 5 feet building to 10 to 13 feet. .SUNDAY NIGHT...Northwest winds 15 to 25 knots becoming west. Gusts up to 35 knot gales in the evening. Showers likely in the evening. Waves 10 to 13 feet subsiding to 4 to 7 feet. Winds and waves higher in and near thunderstorms. The water temperature at St. Joseph is 51 degrees and at Michigan City is 57 degrees. $$ LMZ043-181415- New Buffalo MI to St Joseph MI- 342 AM EDT Sat Oct 18 2025 ...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... .TODAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots. Showers likely with a slight chance of thunderstorms this morning, then showers with a chance of thunderstorms this afternoon. Waves 1 to 3 feet. .TONIGHT...Southwest winds 5 to 10 knots becoming northwest. Showers with a chance of thunderstorms. Waves 2 feet or less. .SUNDAY...Northwest winds 15 to 25 knots increasing to 30 knots. Gusts up to 40 knot gales. Showers. Waves 3 to 5 feet building to 10 to 15 feet. .SUNDAY NIGHT...Northwest winds to 30 knots becoming west and diminishing to 15 to 20 knots. Gusts up to 35 knot gales in the evening. Showers likely in the evening. Waves 10 to 15 feet subsiding to 5 to 8 feet. Winds and waves higher in and near thunderstorms. The water temperature at St. Joseph is 51 degrees and at Michigan City is 57 degrees. $$