Hazardous marine condition(s):
Hazardous Weather Outlook
Small Craft Advisory
Gale Warning
LMZ740>743-160315-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
320 PM CDT Thu May 15 2025
SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY
EVENING
LATE THIS AFTERNOON
Southeast winds 20 to 25 kt. Slight chance
of thunderstorms. Some thunderstorms may be severe. Waves 2 to
4 ft.
TONIGHT
Southwest winds 20 to 25 kt diminishing to 10 to 15
kt overnight. Showers and thunderstorms likely in the evening.
Some thunderstorms may be severe. Waves 3 to 5 ft subsiding to 1
to 3 ft.
FRIDAY
South winds 15 to 20 kt increasing to 35 kt gales.
Slight chance of showers and thunderstorms in the afternoon.
Waves 1 to 3 ft building to 4 to 6 ft occasionally to 8 ft.
FRIDAY NIGHT
Southwest gales to 35 kt becoming west and
diminishing to 15 to 20 kt overnight. Chance of showers and
thunderstorms in the evening. Waves 4 to 6 ft occasionally to
8 ft subsiding to 1 to 3 ft.
SATURDAY
West winds 20 to 25 kt. Mostly cloudy in the morning,
then becoming partly cloudy. Waves 2 to 4 ft.
$$