For More Weather Information:

Marquette, MI Local Forecast Office

21NM W Ontonagon MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 65 °F
SSW 10kt
< 1ft
Tonight
Low: 54 °F
NE 15kt
3ft
Wednesday
High: 60 °F
ENE 15kt
3-4ft
Wednesday Night
Low: 59 °F
NNE 10kt
1-3ft
Thursday
High: 67 °F
N 10kt
< 1ft
Thursday Night
Low: 58 °F
Light Wind
< 1ft
Friday
High: 71 °F
Light Wind
< 1ft
Friday Night
Low: 62 °F
Light Wind
< 1ft
Saturday
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: 5:57 am CDT Jul 15, 2025
Forecast Valid: 12pm CDT Jul 15, 2025-6pm CDT Jul 21, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

SSW wind 5 to 10 kt becoming NE. Showers and thunderstorms likely, mainly after 1pm. Waves 1 ft or less.

Tonight

SW wind 5 to 15 kt becoming NE after midnight. Winds could gust as high as 20 kt. Showers likely and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms between 3am and 4am, then a chance of showers after 4am. Waves 1 ft or less building to 3 ft.

Wednesday

ENE wind around 15 kt, with gusts as high as 20 kt. Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Waves 3 to 4 ft.

Wednesday Night

NNE wind around 10 kt. A chance of showers. Waves 1 to 3 ft.

Thursday

N wind 5 to 10 kt becoming WNW in the afternoon. Sunny. Waves 1 ft or less.

Thursday Night

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

Friday

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

Friday Night

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

Saturday

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.