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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 28 °F
NW 25kt
6-7ft
Tonight
Low: 24 °F
NNW 30kt
11ft

Gale Warning
Monday
High: 26 °F
NNW 25kt⇓
12ft

Gale Warning
Monday Night
Low: 25 °F
SSW 15kt
7ft
Tuesday
High: 42 °F
S 20kt
2-3ft
Tuesday Night
Low: 32 °F
W 20kt
3ft
Wednesday
High: 36 °F
WNW 20kt⇓
1-3ft
Wednesday Night
Low: 31 °F
ENE 15kt
1-3ft
Thursday
High: 37 °F
ENE 15kt
3-4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:34 am CST Feb 22, 2026
Forecast Valid: 12pm CST Feb 22, 2026-6pm CST Feb 28, 2026

View Nearby Observations

Detailed Forecast

LMZ080-366-565-567-669-671-673-675-777-779-868-870-872-874-876- 878-222215- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to Mid Lake- Lake Michigan from Sturgeon Bay to Two Rivers WI 5 NM offshore to Mid Lake- Lake Michigan from Two Rivers to Sheboygan WI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan from Pentwater to Manistee MI 5 NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake-

This Afternoon

NW wind around 25 kt. Snow. Waves 6 to 7 ft. occasionally to 9ft.

Tonight

NNW wind 25 to 30 kt. Snow. Widespread freezing spray after 1am. Waves 8 ft building to 11 ft.

Monday

NNW wind 20 to 25 kt decreasing to 15 to 20 kt in the afternoon. Winds could gust as high as 35 kt. A chance of snow, mainly before noon. Widespread freezing spray before 1pm. Waves 12 ft subsiding to 8 ft.

Monday Night

NNW wind 5 to 15 kt becoming SSW after midnight. Mostly cloudy. Waves 7 ft subsiding to 3 ft.

Tuesday

S wind 15 to 20 kt, with gusts as high as 25 kt. A chance of snow after noon. Waves 2 to 3 ft.

Tuesday Night

SW wind 15 to 20 kt becoming WNW after midnight. A slight chance of rain and snow before 9pm, then a slight chance of rain between 9pm and midnight. Waves around 3 ft.

Wednesday

WNW wind 15 to 20 kt decreasing to 5 to 10 kt in the afternoon. Mostly sunny. Waves 1 to 3 ft.

Wednesday Night

NW wind 10 to 15 kt becoming ENE after midnight. A chance of rain and snow before midnight, then a chance of snow. Waves 1 to 3 ft.

Thursday

ENE wind 10 to 15 kt becoming NNW in the afternoon. A chance of snow. Waves 3 to 4 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.