Station List

National Weather Service Marine Forecast FZUS53 KLOT

FZUS53 KLOT 122054
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
254 PM CST Mon Jan 12 2026

For waters within five nautical miles of shore on Lake Michigan

Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered.

LMZ740>743-130430
Winthrop Harbor to Wilmette Harbor IL
Wilmette Harbor to Northerly Island IL
Northerly Island to Calumet Harbor IL
Calumet Harbor IL to Gary IN
254 PM CST Mon Jan 12 2026

SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY AFTERNOON

GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT

TONIGHT
Southwest winds 10 to 20 kt increasing to 20 to 25 kt late. Mostly clear in the evening, then becoming mostly cloudy. Waves 1 to 2 ft building to 2 to 4 ft.

TUESDAY
Southwest winds 20 to 25 kt becoming west. Mostly cloudy in the morning, then becoming partly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft.

TUESDAY NIGHT
West winds 15 to 25 kt becoming northwest. Mostly cloudy. Waves 1 to 3 ft building to 2 to 4 ft.

WEDNESDAY
Northwest gales to 35 kt becoming north to 40 kt. Freezing spray. Snow showers likely in the morning, then chance of snow showers in the afternoon. Waves 7 to 10 ft occasionally to 13 ft building to 10 to 14 ft occasionally to 18 ft.

LMZ744-745-130430
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN
254 PM CST Mon Jan 12 2026

SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY AFTERNOON

GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT

TONIGHT
Southwest winds 10 to 20 kt increasing to 20 to 25 kt late. Mostly clear in the evening, then becoming mostly cloudy. Waves 1 to 3 ft building to 2 to 4 ft.

TUESDAY
Southwest winds to 30 kt becoming west in the afternoon. Mostly cloudy in the morning, then becoming partly cloudy. Waves 2 to 4 ft.

TUESDAY NIGHT
West winds 15 to 25 kt. Mostly cloudy. Waves 2 to 4 ft building to 3 to 5 ft.

WEDNESDAY
Northwest gales to 40 kt becoming north to 45 kt. Snow showers likely. Freezing spray in the afternoon. Waves 10 to 14 ft occasionally to 18 ft building to 14 to 18 ft occasionally to 23 ft.

- Izzi