Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Hazardous Weather Conditions

For More Weather Information:

Marquette, MI Local Forecast Office

3NM N Copper Harbor MI

Marine Point Forecast

[NOTICE]

Overnight
Low: 36 °F
WNW 15kt
2ft

Small Craft Advisory
Monday
High: 38 °F
W 15kt
1-2ft
Monday Night
Low: 34 °F
E 10kt
< 1ft
Tuesday
High: 37 °F
E 10kt
2-3ft
Tuesday Night
Low: 33 °F
Light Wind
1-2ft
Wednesday
High: 38 °F
Light Wind
< 1ft
Wednesday Night
Low: 35 °F
E 10kt
1-2ft
Thursday
High: 41 °F
ENE 10kt
2-3ft
Thursday Night
Low: 37 °F
ESE 15kt
1-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:13 pm CDT Apr 12, 2026
Forecast Valid: 12am CDT Apr 13, 2026-6pm CDT Apr 19, 2026

View Nearby Observations

Detailed Forecast

Overnight

WNW wind around 15 kt. A chance of showers before 1am. Patchy dense fog. Waves around 2 ft.

Monday

W wind 5 to 15 kt becoming NE in the afternoon. Patchy dense fog before 7am. Waves 1 to 2 ft.

Monday Night

E wind 5 to 10 kt, with gusts as high as 15 kt. Showers. Waves 1 ft or less.

Tuesday

E wind 5 to 10 kt becoming NNE in the afternoon. A slight chance of showers before 1pm. Waves 2 to 3 ft.

Tuesday Night

Variable winds 5 kt or less. Mostly cloudy. Waves 1 to 2 ft.

Wednesday

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

Wednesday Night

E wind 5 to 10 kt. A chance of showers after 1am. Waves 1 to 2 ft.

Thursday

ENE wind around 10 kt becoming NNW in the afternoon. A chance of showers. Waves 2 to 3 ft.

Thursday Night

NNW wind 10 to 15 kt becoming SSE after midnight. Mostly cloudy. Waves 1 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.