230
FZUS53 KIWX 171942
NSHIWX

Nearshore Marine Forecast
National Weather Service Northern Indiana
342 PM EDT Sun Aug 17 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ046-180215-
Michigan City IN to New Buffalo MI-
342 PM EDT Sun Aug 17 2025

.TONIGHT...North winds 10 to 15 knots becoming east. Partly
cloudy. Waves 2 to 3 feet.
.MONDAY...Southeast winds 5 to 15 knots. Mostly sunny. Waves 1 to
3 feet subsiding to 1 foot or less.
.MONDAY NIGHT...Southeast winds 5 to 10 knots becoming south. A
chance of showers and thunderstorms overnight. Waves 1 foot or
less.
.TUESDAY...South winds 5 to 10 knots becoming northwest. A chance
of showers and thunderstorms. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 56 degrees.

$$

LMZ043-180215-
New Buffalo MI to St Joseph MI-
342 PM EDT Sun Aug 17 2025

.TONIGHT...North winds 10 to 15 knots becoming east. Partly
cloudy. Waves 1 to 3 feet.
.MONDAY...East winds 5 to 15 knots becoming southeast. Mostly
sunny. Waves 2 feet or less.
.MONDAY NIGHT...Southeast winds 5 to 15 knots becoming south. A
chance of showers and thunderstorms overnight. Waves 1 foot or
less.
.TUESDAY...South winds around 10 knots becoming west. A chance of
showers and thunderstorms. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 56 degrees.

$$