Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from March 11, 07:00 AM CDT until March 12, 01:00 AM CDT

For More Weather Information:

Marquette, MI Local Forecast Office

8NM E Copper Harbor MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 25 °F
E 15kt
4-5ft
Wednesday
High: 28 °F
N 20kt
5-7ft

Small Craft Advisory
Wednesday Night
Low: 21 °F
NNW 25kt
7ft

Small Craft Advisory
Thursday
High: 23 °F
NNW 10kt
2-3ft
Thursday Night
Low: 22 °F
⇑E 30kt
12ft
Friday
High: 27 °F
E 30kt
15ft
Friday Night
Low: 21 °F
NNW 25kt
8ft
Saturday
High: 28 °F
NW 15kt
4ft
Saturday Night
Low: 18 °F
⇑NE 30kt
9ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:14 pm CDT Mar 10, 2026
Forecast Valid: 10pm CDT Mar 10, 2026-6pm CDT Mar 17, 2026

View Nearby Observations

Detailed Forecast

Tonight

E wind around 15 kt, with gusts as high as 20 kt. Snow likely, mainly after 11pm. Waves 4 to 5 ft.

Wednesday

NE wind 15 to 20 kt becoming N in the afternoon. Winds could gust as high as 25 kt. Snow, mainly before 2pm. Widespread freezing spray between 1pm and 2pm, then Widespread freezing spray between 3pm and 4pm. Waves 5 to 7 ft.

Wednesday Night

NNW wind 15 to 25 kt, with gusts as high as 30 kt. Widespread freezing spray between 8pm and 11pm. Mostly cloudy. Waves 7 ft subsiding to 4 ft.

Thursday

NNW wind around 10 kt becoming E in the afternoon. Winds could gust as high as 20 kt. Partly sunny. Waves 2 to 3 ft.

Thursday Night

E wind 15 to 20 kt increasing to 25 to 30 kt after midnight. Winds could gust as high as 40 kt. Snow showers likely, mainly after 1am. Widespread freezing spray after 11pm. Waves 3 ft building to 12 ft.

Friday

E wind 25 to 30 kt becoming N in the afternoon. Winds could gust as high as 40 kt. A chance of snow showers. Widespread freezing spray. Waves 15 ft subsiding to 10 ft.

Friday Night

NNW wind 15 to 25 kt. Widespread freezing spray. Mostly cloudy. Waves 8 ft subsiding to 5 ft.

Saturday

NW wind 10 to 15 kt becoming S in the afternoon. Mostly cloudy. Waves 4 ft subsiding to 1 ft.

Saturday Night

SE wind 10 to 20 kt becoming NE 20 to 30 kt after midnight. A chance of snow showers. Widespread freezing spray after 1am. Waves 1 ft building to 9 ft.

*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.