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Marquette, MI Local Forecast Office

25NM WSW Ontonagon MI

Marine Point Forecast

[NOTICE]

Today
High: 73 °F
SW 10kt
< 1ft
Tonight
Low: 66 °F
SSW 15kt
1ft

Small Craft Advisory
Saturday
High: 73 °F
SW 10kt
< 1ft
Saturday Night
Low: 64 °F
Light Wind
< 1ft
Sunday
High: 75 °F
Light Wind
< 1ft
Sunday Night
Low: 64 °F
Light Wind
< 1ft
Monday
High: 72 °F
N 10kt
< 1ft
Monday Night
Low: 60 °F
Light Wind
< 1ft
Tuesday
High: 69 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:37 am CDT Jul 24, 2026
Forecast Valid: 10am CDT Jul 24, 2026-6pm CDT Jul 30, 2026

View Nearby Observations

Detailed Forecast

Today

SW wind around 10 kt, with gusts as high as 20 kt. Increasing clouds. Waves 1 ft or less.

Tonight

SSW wind 10 to 15 kt, with gusts as high as 20 kt. A slight chance of showers between midnight and 1am, then a chance of showers and thunderstorms after 1am. Waves around 1 ft.

Saturday

SW wind 5 to 10 kt, with gusts as high as 15 kt. A chance of showers and thunderstorms, mainly before 7am. Waves 1 ft or less.

Saturday Night

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

Sunday

Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 4pm. Waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers after 1am. Waves 1 ft or less.

Monday

S wind 5 to 10 kt becoming N in the afternoon. A chance of showers. Waves 1 ft or less.

Monday Night

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

Tuesday

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

*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.