Widespread Showers and Thunderstorms in Southern California and the Southern Plains into the Mississippi Valley

Isolated strong to severe thunderstorms and widespread heavy rainfall are possible across the southern Plains into Arkansas. Widespread showers with a slight chance of thunderstorms are possible across southern California. Urban flooding, rock and mudslides as well as minor debris flows near burn scars are possible. Read More >

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Marquette, MI Local Forecast Office

26NM ESE Isle Royale National Park MI

Marine Point Forecast

[NOTICE]

Overnight
Low: 37 °F
W 20kt
3-4ft
Friday
High: 39 °F
NNW 20kt
3-5ft
Friday Night
Low: 34 °F
NW 15kt
3ft
Saturday
High: 41 °F
SSW 15kt
1-2ft
Saturday Night
Low: 38 °F
WNW 20kt
2-3ft
Sunday
High: 43 °F
WNW 15kt
2-3ft
Sunday Night
Low: 40 °F
W 10kt
1-2ft
Monday
High: 44 °F
SSE 10kt
1ft
Monday Night
Low: 40 °F
SSE 15kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:07 am CST Nov 21, 2025
Forecast Valid: 12am CST Nov 21, 2025-6pm CST Nov 27, 2025

View Nearby Observations

Detailed Forecast

Overnight

W wind around 20 kt. Mostly cloudy. Waves 3 to 4 ft.

Friday

NNW wind 15 to 20 kt, with gusts as high as 25 kt. Cloudy, then gradually becoming mostly sunny. Waves 3 to 5 ft.

Friday Night

NW wind 5 to 15 kt becoming WSW after midnight. Cloudy, then gradually becoming partly cloudy. Waves 3 ft subsiding to 1 ft or less.

Saturday

WSW wind 5 to 15 kt becoming SSW in the morning. A chance of showers after noon. Waves 1 to 2 ft.

Saturday Night

SW wind 15 to 20 kt becoming WNW after midnight. Mostly cloudy. Waves 2 to 3 ft.

Sunday

WNW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly sunny. Waves 2 to 3 ft.

Sunday Night

W wind around 10 kt becoming SSW after midnight. Partly cloudy. Waves 1 to 2 ft.

Monday

SSE wind around 10 kt. Partly sunny. Waves around 1 ft.

Monday Night

SSE wind 10 to 15 kt. A chance of showers. Waves 1 to 2 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.