Tropical Moisture Brings Heavy Rain to Southwest; Strong Coastal Low to Impact the East Coast

Deep tropical moisture surging into the Southwest U.S. will lead to widespread showers and thunderstorms capable of producing flash flooding the next several days. A strong coastal low will develop late Friday and is expected to bring flooding, high surf, dangerous rip currents, gusty winds and heavy rain to much of the U.S. East Coast through early next week. Read More >

Hazardous Weather Conditions

For More Weather Information:

Marquette, MI Local Forecast Office

8NM E Copper Harbor MI

Marine Point Forecast

[NOTICE]

Friday
High: 59 °F
NNW 25kt
6ft

Gale Warning
Friday Night
Low: 53 °F
N 25kt
5-7ft
Saturday
High: 59 °F
NE 10kt
4ft
Saturday Night
Low: 54 °F
SSE 10kt
1ft
Sunday
High: 62 °F
SE 20kt
4ft
Sunday Night
Low: 56 °F
SSE 20kt
4ft
Columbus Day
High: 61 °F
S 20kt
2-4ft
Monday Night
Low: 46 °F
W 20kt
6ft
Tuesday
High: 54 °F
NW 20kt
4-6ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:26 pm CDT Oct 9, 2025
Forecast Valid: 1am CDT Oct 10, 2025-6pm CDT Oct 16, 2025

View Nearby Observations

Detailed Forecast

Friday

SSW wind 15 to 25 kt becoming NNW in the afternoon. Winds could gust as high as 35 kt. Showers and possibly a thunderstorm before 1pm, then showers likely. Waves 2 ft building to 6 ft.

Friday Night

N wind 15 to 25 kt, with gusts as high as 30 kt. A chance of showers before 7pm. Waves 5 to 7 ft.

Saturday

NE wind 5 to 10 kt becoming ESE in the afternoon. Partly sunny. Waves 4 ft subsiding to 1 ft.

Saturday Night

SSE wind 5 to 10 kt, with gusts as high as 20 kt. Partly cloudy. Waves around 1 ft.

Sunday

SE wind 15 to 20 kt, with gusts as high as 30 kt. Mostly sunny. Waves 1 ft building to 4 ft.

Sunday Night

SSE wind around 20 kt, with gusts as high as 35 kt. A chance of showers after 1am. Waves around 4 ft.

Columbus Day

S wind 15 to 20 kt, with gusts as high as 30 kt. Showers likely, mainly before 1pm. Waves 2 to 4 ft.

Monday Night

W wind 10 to 20 kt, with gusts as high as 30 kt. Mostly cloudy. Waves 2 ft building to 6 ft.

Tuesday

NW wind 15 to 20 kt, with gusts as high as 30 kt. Partly sunny. Waves 4 to 6 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.