Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from December 24, 07:21 PM CST until December 26, 08:00 AM CST

For More Weather Information:

Duluth, MN Local Forecast Office

10NM SW Grand Portage MN

Marine Point Forecast

[NOTICE]

Tonight
Low: 14 °F
NNE 10kt
< 1ft

Small Craft Advisory
Christmas Day
High: 28 °F
E 15kt
3ft

Small Craft Advisory
Thursday Night
Low: 26 °F
SE 20kt
3-5ft

Small Craft Advisory
Friday
High: 35 °F
SSE 10kt
1-3ft

Small Craft Advisory
Friday Night
Low: 30 °F
Light Wind
< 1ft
Saturday
High: 37 °F
SSE 10kt
1ft
Saturday Night
Low: 27 °F
SSE 10kt
1ft
Sunday
High: 32 °F
⇑NW 20kt
1ft
Sunday Night
Low: 8 °F
NNW 25kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:47 pm CST Dec 24, 2025
Forecast Valid: 9pm CST Dec 24, 2025-6pm CST Dec 31, 2025

View Nearby Observations

Detailed Forecast

Tonight

NNE wind around 10 kt, with gusts as high as 25 kt. A chance of snow, mainly before 2am, then a chance for flurries. Waves 1 ft or less.

Christmas Day

NE wind 10 to 15 kt becoming ESE in the afternoon. Winds could gust as high as 20 kt. A chance of snow, mainly after 1pm. Waves 1 ft or less building to 3 ft.

Thursday Night

ESE wind 10 to 20 kt becoming SSE after midnight. Winds could gust as high as 25 kt. Snow. Waves 3 to 5 ft.

Friday

SSE wind 5 to 10 kt becoming SW in the morning. Winds could gust as high as 20 kt. A chance of snow before noon. Waves 1 to 3 ft.

Friday Night

Variable winds 5 kt or less. Winds could gust as high as 15 kt. Cloudy. Waves 1 ft or less.

Saturday

SSE wind 5 to 10 kt, with gusts as high as 15 kt. A chance of rain after noon. Waves around 1 ft.

Saturday Night

SSE wind around 10 kt becoming W after midnight. Winds could gust as high as 20 kt. A chance of rain. Waves around 1 ft.

Sunday

W wind 10 to 15 kt becoming NW 15 to 20 kt in the afternoon. Winds could gust as high as 40 kt. A chance of snow. Waves around 1 ft.

Sunday Night

NNW wind 20 to 25 kt, with gusts as high as 50 kt. A chance of snow. Waves around 1 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.