FZUS53 KIWX 220240
NSHIWX

Nearshore Marine Forecast
National Weather Service Northern Indiana
1040 PM EDT Fri Aug 21 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ046-220815-
Michigan City IN to New Buffalo MI-
1040 PM EDT Fri Aug 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

.OVERNIGHT...South winds 5 to 10 knots becoming southwest.
A chance of showers and thunderstorms. Waves 1 foot or less. 
.SATURDAY...West winds 10 to 15 knots becoming northwest. Gusts
up to 25 knots. A slight chance of showers and thunderstorms.
Waves 1 to 2 feet building to 3 to 5 feet. 
.SATURDAY NIGHT...North winds 10 to 15 knots. A slight chance of
showers overnight. Waves 2 to 4 feet. 
.SUNDAY...Northwest winds 15 to 20 knots becoming north 10 to
15 knots. Gusts up to 25 knots. A slight chance of showers in the
morning. Waves 3 to 5 feet. 

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 62 degrees and at Michigan
City is 63 degrees.

$$

LMZ043-220815-
New Buffalo MI to St Joseph MI-
1040 PM EDT Fri Aug 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

.OVERNIGHT...South winds 5 to 10 knots becoming southwest.
A chance of showers and thunderstorms. Waves 1 foot or less. 
.SATURDAY...West winds 10 to 15 knots becoming northwest 15 to
20 knots. Gusts up to 25 knots. A chance of showers with a slight
chance of thunderstorms in the morning. Waves 1 to 2 feet
building to 3 to 5 feet. 
.SATURDAY NIGHT...North winds 10 to 15 knots. A slight chance of
showers overnight. Waves 2 to 4 feet. 
.SUNDAY...North winds 10 to 15 knots increasing to 15 to
20 knots. Gusts up to 25 knots. A slight chance of showers in the
morning. Waves 3 to 6 feet. 

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 62 degrees and at Michigan
City is 63 degrees.

$$