Wilmette Harbor - Northerly Island
LMZ740-741-252145- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- 335 AM CDT Wed Mar 25 2026
..GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY MORNING
EARLY THIS MORNING
Southeast winds around 10kt. Mostly cloudy. Waves 1 to 2 ft.
TODAY
South winds 10 to 15 kt increasing to 15 to 25 kt. Mostly cloudy in the morning, then becoming partly cloudy. Waves 1 to 2 ft building to 3 to 5 ft.
TONIGHT
South winds 15 to 25 kt becoming southwest. Slight chance of showers and thunderstorms. Waves subsiding to 2 to 4 ft.
THURSDAY
Southwest winds 10 to 20 kt shifting to north and quickly increasing to gales to 35 kt late in the afternoon. Showers likely and a chance of thunderstorms in the afternoon. Waves 1 to 2 ft quickly building to 3 to 6 ft occasionally to 8 ft late.
THURSDAY NIGHT
North gales to 35 kt. Chance of showers in the evening. Waves 8 to 12 ft occasionally to 16 ft. $$
..GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY MORNING
EARLY THIS MORNING
Southeast winds around 10kt. Mostly cloudy. Waves 1 to 2 ft.
TODAY
South winds 10 to 15 kt increasing to 15 to 25 kt. Mostly cloudy in the morning, then becoming partly cloudy. Waves 1 to 2 ft building to 3 to 5 ft.
TONIGHT
South winds 15 to 25 kt becoming southwest. Slight chance of showers and thunderstorms. Waves subsiding to 2 to 4 ft.
THURSDAY
Southwest winds 10 to 20 kt shifting to north and quickly increasing to gales to 35 kt late in the afternoon. Showers likely and a chance of thunderstorms in the afternoon. Waves 1 to 2 ft quickly building to 3 to 6 ft occasionally to 8 ft late.
THURSDAY NIGHT
North gales to 35 kt. Chance of showers in the evening. Waves 8 to 12 ft occasionally to 16 ft. $$

