FZUS53 KLOT 070754

NSHLOT



Nearshore Marine Forecast

National Weather Service Chicago/Romeoville IL

254 AM CDT Thu May 7 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>742-072115-

Winthrop Harbor to Wilmette Harbor IL-

Wilmette Harbor to Northerly Island IL-

Northerly Island to Calumet Harbor IL-

254 AM CDT Thu May 7 2026



.EARLY THIS MORNING...West winds around 10 kt. Clear. Waves 1 to

2 ft. 

.TODAY...West winds 10 to 15 kt becoming southwest and 

increasing to 15 to 25 kt. Scattered showers and slight chance of 

thunderstorms in the afternoon. Waves 1 to 3 ft. Winds and waves

may be locally higher in and near showers and storms this 

afternoon.

.TONIGHT...Southwest winds 10 to 15 kt diminishing to 5 to 10 kt.

Isolated showers in the evening. Waves 1 to 2 ft subsiding to 1 

ft or less.

.FRIDAY...South winds 10 to 15 kt becoming east in the afternoon.

Slight chance of showers in the afternoon. Waves 1 ft or less 

building to 1 to 2 ft. 

.FRIDAY NIGHT...Southeast winds 10 to 15 kt becoming southwest

overnight. Partly cloudy. Waves 1 to 2 ft.  



$$



LMZ743>745-072115-

Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-

Burns Harbor to Michigan City IN-

254 AM CDT Thu May 7 2026



.EARLY THIS MORNING...West winds around 10 kt. Mostly clear.

Waves 1 to 2 ft. 

.TODAY...West winds 10 to 15 kt becoming southwest and increasing

to 15 to 25 kt late. Scattered showers and slight chance of 

thunderstorms in the afternoon. Waves 1 to 2 ft. Winds and waves 

may be locally higher in and near showers and storms this 

afternoon.

.TONIGHT...Southwest winds 10 to 15 kt diminishing to 5 to 10 kt.

Isolated showers in the evening. Waves 1 to 2 ft. 

.FRIDAY...South winds around 10 kt. Chance of showers in the

afternoon. Waves around 1 ft. 

.FRIDAY NIGHT...South winds 10 to 15 kt becoming southwest

overnight. Mostly cloudy in the evening, then becoming partly

cloudy. Waves around 1 ft.  



$$



- Izzi