Hazardous Weather Conditions

For More Weather Information:

Marquette, MI Local Forecast Office

Copper Harbor MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 46 °F
SSE 20kt
2ft

Small Craft Advisory
Tonight
Low: 38 °F
SSE 15kt
1-2ft

Small Craft Advisory
Friday
High: 39 °F
NW 10kt
1-2ft
Friday Night
Low: 34 °F
N 15kt
3-5ft
Saturday
High: 38 °F
NNW 10kt
2-4ft
Saturday Night
Low: 33 °F
Light Wind
< 1ft
Sunday
High: 40 °F
ESE 10kt
< 1ft
Sunday Night
Low: 33 °F
ESE 15kt
< 1ft
Monday
High: 38 °F
E 15kt
2-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:11 pm CDT Apr 17, 2025
Forecast Valid: 4pm CDT Apr 17, 2025-6pm CDT Apr 23, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

SSE wind around 20 kt, with gusts as high as 30 kt. A slight chance of showers and thunderstorms after 5pm. Waves around 2 ft.

Tonight

SSE wind 5 to 15 kt, with gusts as high as 25 kt. Showers and thunderstorms before 1am, then showers likely. Patchy fog after 2am. Waves 1 to 2 ft.

Friday

NW wind around 10 kt, with gusts as high as 15 kt. A chance of showers, mainly after 5pm. Patchy fog. Waves 1 to 2 ft.

Friday Night

N wind 10 to 15 kt. A chance of rain and snow showers before midnight, then a slight chance of snow showers between midnight and 1am. Patchy fog before midnight. Waves 3 to 5 ft.

Saturday

NNW wind around 10 kt. Partly sunny. Waves 2 to 4 ft.

Saturday Night

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

Sunday

S wind 5 to 10 kt becoming ESE in the afternoon. Mostly sunny. Waves 1 ft or less.

Sunday Night

ESE wind 10 to 15 kt. A chance of showers. Waves 1 ft or less.

Monday

E wind 10 to 15 kt becoming NNE in the afternoon. Showers likely. Waves 2 to 3 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.