For More Weather Information:

Marquette, MI Local Forecast Office

19NM ENE Ontonagon MI

Marine Point Forecast

[NOTICE]

Saturday
High: 73 °F
Light Wind
< 1ft
Saturday Night
Low: 62 °F
Light Wind
< 1ft
Sunday
High: 73 °F
ENE 10kt
< 1ft
Sunday Night
Low: 63 °F
E 10kt
< 1ft
Monday
High: 78 °F
SE 10kt
< 1ft
Monday Night
Low: 64 °F
Light Wind
< 1ft
Tuesday
High: 76 °F
W 10kt
< 1ft
Tuesday Night
Low: 62 °F
Light Wind
< 1ft
Wednesday
High: 73 °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: 2:37 am CDT Aug 29, 2026
Forecast Valid: 2am CDT Aug 29, 2026-6pm CDT Sep 4, 2026

View Nearby Observations

Detailed Forecast

Saturday

Variable winds 5 kt or less. Showers and thunderstorms likely before 4pm, then a chance of showers. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. A chance of showers, mainly before 8pm. Patchy fog after midnight. Waves 1 ft or less.

Sunday

ESE wind 5 to 10 kt becoming ENE in the afternoon. A slight chance of showers between 3pm and 4pm. Patchy fog before 8am. Waves 1 ft or less.

Sunday Night

E wind 5 to 10 kt, with gusts as high as 20 kt. Showers likely, mainly after 1am. Waves 1 ft or less.

Monday

SE wind 5 to 10 kt, with gusts as high as 15 kt. A chance of showers and 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.

Monday Night

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

Tuesday

SSW wind 5 to 10 kt becoming W in the afternoon. Partly sunny. Waves 1 ft or less.

Tuesday Night

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

Wednesday

Variable winds 5 kt or less. Partly 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.