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Marquette, MI Local Forecast Office

25NM WSW Ontonagon MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 61 °F
SW 10kt
1ft
Tonight
Low: 45 °F
SW 10kt
< 1ft
Tuesday
High: 47 °F
Light Wind
< 1ft
Tuesday Night
Low: 48 °F
Light Wind
< 1ft
Wednesday
High: 56 °F
E 10kt
< 1ft
Wednesday Night
Low: 42 °F
ENE 10kt
1-2ft
Thursday
High: 56 °F
W 10kt
1-2ft
Thursday Night
Low: 45 °F
W 10kt
< 1ft
Juneteenth
High: 55 °F
W 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: 1:22 pm CDT Jun 15, 2026
Forecast Valid: 2pm CDT Jun 15, 2026-6pm CDT Jun 21, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SW wind around 10 kt, with gusts as high as 20 kt. A slight chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Waves around 1 ft.

Tonight

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

Tuesday

Variable winds 5 kt or less. A chance of showers, mainly before 11am. Waves 1 ft or less.

Tuesday Night

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

Wednesday

S wind 5 to 10 kt becoming E in the afternoon. Winds could gust as high as 20 kt. Showers likely, mainly after 1pm. Waves 1 ft or less.

Wednesday Night

ENE wind around 10 kt becoming N after midnight. Winds could gust as high as 15 kt. Showers likely before 1am. Waves 1 to 2 ft.

Thursday

W wind 5 to 10 kt. Partly sunny. Waves 1 to 2 ft.

Thursday Night

W wind around 10 kt. Mostly cloudy. Waves 1 ft or less.

Juneteenth

W wind around 10 kt. 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.