FZUS53 KIWX 181947
NSHIWX

Nearshore Marine Forecast
National Weather Service Northern Indiana
347 PM EDT Mon May 18 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ046-190215-
Michigan City IN to New Buffalo MI-
347 PM EDT Mon May 18 2026

.TONIGHT...South winds 10 to 15 knots increasing to 15 to
20 knots. A few gusts up to 25 knots. A slight chance of showers 
and thunderstorms this evening. Waves 1 to 3 feet. 
.TUESDAY...South winds 15 to 20 knots becoming southwest. A few 
gusts up to 25 knots. A chance of showers with a slight chance of
thunderstorms in the morning, then showers likely with a chance 
of thunderstorms in the afternoon. Waves 1 to 3 feet. 
.TUESDAY NIGHT...West winds 10 to 15 knots becoming north.
Showers likely with a chance of thunderstorms in the evening,
then a chance of showers overnight. Waves 2 to 3 feet. 
.WEDNESDAY...North winds 10 to 15 knots. Mostly sunny. Waves 2 to
4 feet. 

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 55 degrees and at Michigan
City is 53 degrees.

$$

LMZ043-190215-
New Buffalo MI to St Joseph MI-
347 PM EDT Mon May 18 2026

.TONIGHT...South winds 10 to 15 knots increasing to 15 to
20 knots. A few gusts up to 25 knots. A slight chance of showers 
and thunderstorms this evening. Waves 1 to 3 feet. 
.TUESDAY...South winds 15 to 20 knots becoming southwest. A few 
gusts up to 25 knots. A chance of showers with a slight chance of
thunderstorms in the morning, then showers likely with a chance 
of thunderstorms in the afternoon. Waves 2 to 4 feet. 
.TUESDAY NIGHT...West winds 10 to 15 knots becoming north.
Showers likely with a chance of thunderstorms in the evening,
then a chance of showers overnight. Waves 2 to 3 feet. 
.WEDNESDAY...North winds 10 to 15 knots. Mostly sunny. Waves 2 to
4 feet. 

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 55 degrees and at Michigan
City is 53 degrees.

$$