408
FZUS53 KIWX 170820
NSHIWX

Nearshore Marine Forecast
National Weather Service Northern Indiana
420 AM EDT Thu Jul 17 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ046-171415-
Michigan City IN to New Buffalo MI-
420 AM EDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Northwest winds 10 to 15 knots becoming north. Cloudy.
Waves 4 to 7 feet.
.TONIGHT...North winds 5 to 15 knots becoming northeast. Mostly
cloudy in the evening, then becoming partly cloudy. Waves 3 to
5 feet.
.FRIDAY...East winds 10 knots or less becoming northeast. Sunny.
Waves 1 to 3 feet.
.FRIDAY NIGHT...East winds 10 knots or less becoming south. A
chance of showers and thunderstorms overnight. Waves 1 foot or
less.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 73 degrees and at Michigan
City is 61 degrees.

$$

LMZ043-171415-
New Buffalo MI to St Joseph MI-
420 AM EDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Northwest winds 15 to 20 knots becoming north 10 to
15 knots. Cloudy. Waves 4 to 7 feet.
.TONIGHT...North winds 5 to 15 knots becoming northeast. Mostly
cloudy in the evening, then becoming partly cloudy. Waves 3 to
6 feet subsiding to 2 to 4 feet.
.FRIDAY...East winds 5 to 10 knots becoming northeast. Sunny.
Waves 1 to 3 feet.
.FRIDAY NIGHT...Northeast winds 10 knots or less becoming
southeast. A chance of showers and thunderstorms overnight. Waves
1 foot or less.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 73 degrees and at Michigan
City is 61 degrees.

$$