Nearshore Marine Forecast
Issued by NWS Northern Indiana

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FZUS53 KIWX 030840
NSHIWX

Nearshore Marine Forecast
National Weather Service Northern Indiana
440 AM EDT Wed Sep 3 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ046-031430-
Michigan City IN to New Buffalo MI-
440 AM EDT Wed Sep 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY AFTERNOON...

.TODAY...Southwest winds 5 to 15 knots becoming west. A slight
chance of showers and thunderstorms early this afternoon. Showers
likely with a chance of thunderstorms late. Waves 2 feet or less
building to 2 to 3 feet.
.TONIGHT...West winds 10 to 15 knots becoming northwest 15 to
20 knots. Gusts up to 25 knots. Showers likely with a chance of
thunderstorms in the evening, then a slight chance of showers
overnight. Waves 2 to 4 feet building to 3 to 5 feet.
.THURSDAY...Northwest winds 5 to 15 knots becoming west. Mostly
sunny. Waves 3 to 5 feet subsiding to 2 to 3 feet.
.THURSDAY NIGHT...Southwest winds 5 to 15 knots becoming south
15 to 20 knots. Gusts up to 25 knots. Partly cloudy in the
evening, then becoming mostly cloudy. Waves 1 to 2 feet building
to 2 to 4 feet.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 71 degrees and at Michigan
City is 71 degrees.

$$

LMZ043-031430-
New Buffalo MI to St Joseph MI-
440 AM EDT Wed Sep 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY AFTERNOON...

.TODAY...Southwest winds 10 to 15 knots becoming west. A chance
of showers and thunderstorms early this afternoon. Showers likely
with a chance of thunderstorms late. Waves 1 foot or less
building to 1 to 3 feet.
.TONIGHT...West winds 10 to 15 knots becoming northwest 15 to
20 knots. Gusts up to 25 knots. Showers likely with a chance of
thunderstorms in the evening, then a slight chance of showers
overnight. Waves 2 to 4 feet building to 3 to 5 feet.
.THURSDAY...Northwest winds 10 to 15 knots becoming west. Mostly
sunny. Waves 3 to 5 feet subsiding to 2 to 3 feet.
.THURSDAY NIGHT...Southwest winds 5 to 15 knots becoming south
and increasing to 15 to 25 knots. Partly cloudy in the evening,
then becoming mostly cloudy. Waves 1 to 3 feet building to 3 to
5 feet.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 71 degrees and at Michigan
City is 71 degrees.

$$