Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

For More Weather Information:

Marquette, MI Local Forecast Office

3NM SE Isle Royale National Park MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 16 °F
NW 15kt
< 1ft
Tonight
Low: 10 °F
NW 15kt
< 1ft
Monday
High: 26 °F
SSW 15kt
3ft
Monday Night
Low: 22 °F
SSW 15kt
2-4ft
Tuesday
High: 26 °F
NNW 15kt
1-2ft
Tuesday Night
Low: 16 °F
⇑NE 25kt
4ft
Wednesday
High: 20 °F
N 25kt
4ft
Wednesday Night
Low: 15 °F
NNW 15kt
< 1ft
Thursday
High: 20 °F
NNW 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:12 pm CST Dec 7, 2025
Forecast Valid: 5pm CST Dec 7, 2025-6pm CST Dec 14, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

NW wind around 15 kt. Mostly sunny. Waves 1 ft or less.

Tonight

NW wind 10 to 15 kt. Mostly cloudy. Waves 1 ft or less.

Monday

W wind 5 to 15 kt becoming SSW in the afternoon. Winds could gust as high as 20 kt. A chance of snow showers before 2pm, then a slight chance of snow showers after 3pm. Waves 1 ft or less building to 3 ft.

Monday Night

SSW wind 10 to 15 kt becoming NNW after midnight. Winds could gust as high as 20 kt. Snow showers likely. Waves 2 to 4 ft.

Tuesday

NNW wind 5 to 15 kt becoming NNE in the afternoon. A slight chance of snow showers after noon. Waves 1 to 2 ft.

Tuesday Night

NE wind 10 to 15 kt increasing to 20 to 25 kt after midnight. A chance of snow showers. Widespread freezing spray after 2am. Waves 1 ft or less building to 4 ft.

Wednesday

N wind 15 to 25 kt. Widespread freezing spray before 7am. Partly sunny. Waves 4 ft subsiding to 1 ft.

Wednesday Night

NNW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly cloudy. Waves 1 ft or less.

Thursday

NNW wind 10 to 15 kt. Mostly cloudy. Waves 1 ft or less.

Note, wave height forecasts are for ice free areas.

*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.