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Marquette, MI Local Forecast Office

25NM WSW Ontonagon MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 58 °F
Light Wind
< 1ft
Tonight
Low: 48 °F
SSW 10kt
< 1ft
Memorial Day
High: 66 °F
S 10kt
< 1ft
Monday Night
Low: 50 °F
SW 10kt
< 1ft
Tuesday
High: 63 °F
Light Wind
< 1ft
Tuesday Night
Low: 45 °F
Light Wind
< 1ft
Wednesday
High: 56 °F
NE 15kt
1-2ft
Wednesday Night
Low: 46 °F
ENE 10kt
1-2ft
Thursday
High: 54 °F
⇑NE 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:12 pm CDT May 24, 2026
Forecast Valid: 5pm CDT May 24, 2026-6pm CDT May 31, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

SE wind 5 to 10 kt becoming SSW after midnight. A slight chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am. Waves 1 ft or less.

Memorial Day

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

Monday Night

SW wind 5 to 10 kt. A slight chance of showers and thunderstorms before 10pm. Waves 1 ft or less.

Tuesday

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

Tuesday Night

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

Wednesday

NE wind 5 to 15 kt. Mostly sunny. Waves 1 to 2 ft.

Wednesday Night

ENE wind 5 to 10 kt. Mostly clear. Waves 1 to 2 ft.

Thursday

Variable winds less than 5 kt becoming NE 5 to 10 kt in the afternoon. 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.