For More Weather Information:

Marquette, MI Local Forecast Office

21NM W Ontonagon MI

Marine Point Forecast

[NOTICE]

Sunday
High: 77 °F
E 10kt
< 1ft
Sunday Night
Low: 58 °F
S 10kt
< 1ft
Monday
High: 82 °F
E 10kt
< 1ft
Monday Night
Low: 62 °F
SSW 10kt
< 1ft
Tuesday
High: 78 °F
SW 10kt
< 1ft
Tuesday Night
Low: 60 °F
SW 10kt
< 1ft
Wednesday
High: 74 °F
SW 10kt
< 1ft
Wednesday Night
Low: 59 °F
Light Wind
< 1ft
Thursday
High: 70 °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: 1:22 am CDT Jun 28, 2026
Forecast Valid: 1am CDT Jun 28, 2026-6pm CDT Jul 4, 2026

View Nearby Observations

Detailed Forecast

Sunday

E wind 5 to 10 kt. Increasing clouds. Waves 1 ft or less.

Sunday Night

ESE wind around 10 kt becoming S after midnight. Winds could gust as high as 20 kt. Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Waves 1 ft or less.

Monday

E wind 5 to 10 kt, with gusts as high as 15 kt. A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 8am. Waves 1 ft or less.

Monday Night

ESE wind around 10 kt becoming SSW after midnight. Winds could gust as high as 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Waves 1 ft or less.

Tuesday

SW wind 5 to 10 kt, with gusts as high as 15 kt. A slight chance of thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Waves 1 ft or less.

Tuesday Night

SW wind around 10 kt, with gusts as high as 20 kt. A chance of showers. Waves 1 ft or less.

Wednesday

SW wind 5 to 10 kt. Mostly sunny. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. A chance of showers. 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.