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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 55 °F
SSE 20kt
4ft

Gale Warning
Tonight
Low: 50 °F
S 25kt
2-4ft
Tuesday
High: 52 °F
W 15kt
1-2ft
Tuesday Night
Low: 45 °F
Light Wind
< 1ft
Wednesday
High: 50 °F
N 15kt
1-2ft
Wednesday Night
Low: 44 °F
Light Wind
1-2ft
Thursday
High: 51 °F
Light Wind
< 1ft
Thursday Night
Low: 42 °F
NE 10kt
< 1ft
Friday
High: 47 °F
NNE 10kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:33 pm CDT Apr 27, 2026
Forecast Valid: 4pm CDT Apr 27, 2026-6pm CDT May 4, 2026

View Nearby Observations

Detailed Forecast

LMZ080-366-565-567-669-671-673-675-777-779-868-870-872-874-876- 878-280330- 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

SSE wind around 20 kt, with gusts as high as 35 kt. Scattered showers and thunderstorms, mainly after 5pm. Waves around 4 ft.

Tonight

S wind 15 to 25 kt becoming W after midnight. Showers and thunderstorms likely, mainly before 10pm. Waves 2 to 4 ft.

Tuesday

W wind 5 to 15 kt. Partly sunny. Waves 1 to 2 ft.

Tuesday Night

Variable winds 5 kt or less. A chance of showers, mainly after 1am. Waves 1 ft or less.

Wednesday

N wind 10 to 15 kt. Partly sunny. Waves 1 to 2 ft.

Wednesday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 to 2 ft.

Thursday

Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.

Thursday Night

NE wind 5 to 10 kt. Partly cloudy. Waves 1 ft or less.

Friday

NNE wind 5 to 10 kt. Partly sunny. Waves around 1 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.