Areas of Excessive Rainfall; Refreshingly Cool Air Remains over Much of the Central and Eastern U.S.

Heavy thunderstorms may bring excessive rainfall and possible flooding over parts of the northern Gulf Coast Friday and over parts of Texas and New Mexico Friday through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures over much of the central and eastern U.S. into this weekend. Read More >

For More Weather Information:

Duluth, MN Local Forecast Office

Grand Portage MN

Marine Point Forecast

[NOTICE]

Friday
High: 63 °F
Light Wind
< 1ft
Friday Night
Low: 51 °F
Light Wind
< 1ft
Saturday
High: 73 °F
Light Wind
< 1ft
Saturday Night
Low: 56 °F
Light Wind
< 1ft
Sunday
High: 74 °F
Light Wind
< 1ft
Sunday Night
Low: 59 °F
Light Wind
< 1ft
Labor Day
High: 73 °F
Light Wind
< 1ft
Monday Night
Low: 59 °F
Light Wind
< 1ft
Tuesday
High: 68 °F
WSW 10kt
< 1ft

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 am CDT Aug 29, 2025
Forecast Valid: 4am CDT Aug 29, 2025-6pm CDT Sep 4, 2025

View Nearby Observations

Detailed Forecast

Friday

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

Friday Night

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

Saturday

Variable winds 5 kt or less. A chance of sprinkles after 1pm. Waves 1 ft or less.

Saturday Night

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

Sunday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Sunday Night

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

Labor Day

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Monday Night

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

Tuesday

WSW wind 5 to 10 kt, with gusts as high as 15 kt. A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Waves 1 ft or less.

*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.