For More Weather Information:

Marquette, MI Local Forecast Office

25NM WSW Ontonagon MI

Marine Point Forecast

[NOTICE]

Wednesday
High: 71 °F
Light Wind
< 1ft
Wednesday Night
Low: 62 °F
Light Wind
< 1ft
Thursday
High: 71 °F
⇑ENE 10kt
< 1ft
Thursday Night
Low: 68 °F
Light Wind
< 1ft
Friday
High: 72 °F
Light Wind
< 1ft
Friday Night
Low: 58 °F
Light Wind
< 1ft
Saturday
High: 68 °F
Light Wind
< 1ft
Saturday Night
Low: 60 °F
Light Wind
< 1ft
Sunday
High: 74 °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: 2:36 am CDT Jul 15, 2026
Forecast Valid: 2am CDT Jul 15, 2026-6pm CDT Jul 21, 2026

View Nearby Observations

Detailed Forecast

Wednesday

Variable winds 5 kt or less. Widespread smoke, mainly after 9am. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Widespread smoke. Waves 1 ft or less.

Thursday

Variable winds less than 5 kt becoming ENE 5 to 10 kt in the afternoon. Widespread smoke. Waves 1 ft or less.

Thursday Night

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

Friday

Variable winds 5 kt or less. Showers likely, with thunderstorms also possible after 1pm. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Waves 1 ft or less.

Saturday

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

Saturday Night

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

Sunday

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.