National Weather Service Marine Forecast FZUS53 KIWX

FZUS53 KIWX 181550
NSHIWX

Nearshore Marine Forecast
National Weather Service Northern Indiana
1050 AM EST Sun Jan 18 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ046-182115
Michigan City IN to New Buffalo MI
1050 AM EST Sun Jan 18 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT

GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON

HEAVY FREEZING SPRAY WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY MORNING

REST OF TODAY
Southwest winds 15 to 20 knots. Scattered flurries late this morning. Isolated snow showers late. Waves 2 to 4 feet.

TONIGHT
Southwest winds 15 to 25 knots becoming west to 30 knots. Gusts up to 35 knot gales. Snow. Freezing spray overnight. Waves 2 to 4 feet building to 8 to 11 feet.

MONDAY
West winds to 30 knots. Gusts up to 35 knot gales. Snow likely in the morning. Heavy freezing spray. Waves 8 to 12 feet subsiding to 6 to 10 feet.

MONDAY NIGHT
West winds 15 to 25 knots. Gusts up to 30 knots. Heavy freezing spray. Waves 5 to 8 feet.

The water temperature at St. Joseph and at Michigan City is 33 degrees.


LMZ043-182115
New Buffalo MI to St Joseph MI
1050 AM EST Sun Jan 18 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT

GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON

HEAVY FREEZING SPRAY WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY MORNING

REST OF TODAY
Southwest winds 15 to 20 knots. Gusts up to 25 knots. Scattered flurries late this morning, then isolated snow showers early this afternoon. Scattered snow showers late. Waves 3 to 5 feet subsiding to 2 to 4 feet.

TONIGHT
Southwest winds 15 to 25 knots becoming west to 30 knots. Gusts up to 25 knots increasing to 35 knot gales. Snow. Freezing spray overnight. Waves 3 to 6 feet building to 9 to 12 feet.

MONDAY
West winds to 30 knots. Gusts up to 35 knot gales. Heavy freezing spray. Snow likely in the morning, then a chance of snow in the afternoon. Waves 10 to 14 feet.

MONDAY NIGHT
West winds 20 to 25 knots. Gusts up to 30 knots. Heavy freezing spray. A chance of snow. Waves 8 to 11 feet subsiding to 5 to 9 feet.

The water temperature at St. Joseph and at Michigan City is 33 degrees.