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Chicago, IL Local Forecast Office

18NM NW New Buffalo MI

Marine Point Forecast

[NOTICE]

Today
High: 53 °F
SSW 15kt
1-2ft
Tonight
Low: 48 °F
S 10kt
1ft
Thursday
High: 55 °F
SSW 10kt
1ft
Thursday Night
Low: 44 °F
Light Wind
< 1ft
Friday
High: 61 °F
SSE 10kt
< 1ft
Friday Night
Low: 48 °F
SSE 20kt
1-3ft
Saturday
High: 57 °F
SSW 20kt
3ft
Saturday Night
Low: 39 °F
W 25kt
6ft
Sunday
High: 46 °F
WNW 25kt⇓
6ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:41 am CDT Apr 15, 2026
Forecast Valid: 6am CDT Apr 15, 2026-6pm CDT Apr 21, 2026

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Detailed Forecast

Today

SSW wind 10 to 15 kt, with gusts as high as 20 kt. Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. Areas of dense fog between 8am and 9am, then Patchy dense fog between 10am and 1pm, then Areas of dense fog after 5pm. Waves 1 to 2 ft.

Tonight

S wind around 10 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Waves around 1 ft.

Thursday

SSW wind around 10 kt becoming WNW in the afternoon. A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 4pm, then showers likely after 4pm. Waves around 1 ft.

Thursday Night

Variable winds 5 kt or less. A slight chance of showers before 1am. Waves 1 ft or less.

Friday

SSE wind 5 to 10 kt. Mostly cloudy. Waves 1 ft or less.

Friday Night

SSE wind 15 to 20 kt. A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Waves 1 to 3 ft.

Saturday

SSW wind 15 to 20 kt becoming W in the afternoon. A chance of showers and thunderstorms. Waves around 3 ft.

Saturday Night

W wind 15 to 25 kt. A chance of showers. Waves 3 ft building to 6 ft.

Sunday

WNW wind 20 to 25 kt decreasing to 10 to 15 kt in the afternoon. Mostly sunny. Waves 6 ft subsiding to 3 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.