Nearshore Marine Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
013 FZUS53 KLOT 270325 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 925 PM CST Wed Nov 26 2025 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>742-271030- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 925 PM CST Wed Nov 26 2025 ...GALE WARNING IN EFFECT THROUGH THURSDAY EVENING... .REST OF TONIGHT...West gales to 40 kt becoming northwest to 35 kt. Cloudy. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft occasionally to 8 ft. .THURSDAY...Northwest gales to 35 kt. Mostly cloudy. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. .THURSDAY NIGHT...Northwest winds to 30 kt with occasional gales to 35 kts diminishing to 20 to 25 kt. A few flurries in the evening. Waves 4 to 6 ft occasionally to 8 ft. .FRIDAY...Northwest winds 15 to 20 kt becoming west 10 to 15 kt. Partly cloudy. Waves 3 to 5 ft subsiding to 2 to 4 ft. $$ LMZ743>745-271030- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 925 PM CST Wed Nov 26 2025 ...GALE WARNING IN EFFECT THROUGH THURSDAY EVENING... .REST OF TONIGHT...West gales to 40 kt. A chance of flurries late in the evening. Waves 10 to 14 ft occasionally to 18 ft subsiding to 8 to 12 ft occasionally to 16 ft. .THURSDAY...Northwest gales to 35 kt. Slight chance of snow showers late in the afternoon. Waves 8 to 12 ft occasionally to 16 ft subsiding to 7 to 10 ft occasionally to 13 ft. .THURSDAY NIGHT...Northwest winds to 30 kt with occasional gales to 35 kts in the evening. Scattered snow showers. Waves 8 to 11 ft occasionally to 14 ft. .FRIDAY...Northwest winds 15 to 25 kt becoming west 10 to 20 kt. Isolated snow showers in the morning. Waves 7 to 10 ft occasionally to 13 ft subsiding to 4 to 7 ft occasionally to 9 ft. $$ Ogorek