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

For More Weather Information:

Duluth, MN Local Forecast Office

10NM SW Grand Portage MN

Marine Point Forecast

[NOTICE]

Christmas Day
High: 28 °F
E 20kt
4-5ft

Small Craft Advisory
Tonight
Low: 28 °F
ESE 20kt
4-6ft

Small Craft Advisory
Friday
High: 33 °F
S 10kt
4ft

Small Craft Advisory
Friday Night
Low: 27 °F
Light Wind
< 1ft
Saturday
High: 37 °F
SE 10kt
< 1ft
Saturday Night
Low: 31 °F
SE 10kt
1-2ft
Sunday
High: 36 °F
⇑NNW 20kt
< 1ft
Sunday Night
Low: 7 °F
NNW 25kt
1ft
Monday
High: 12 °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: 2:57 pm CST Dec 25, 2025
Forecast Valid: 3pm CST Dec 25, 2025-6pm CST Jan 1, 2026

View Nearby Observations

Detailed Forecast

Christmas Day

E wind 15 to 20 kt. A chance of snow. Waves 4 to 5 ft.

Tonight

ESE wind 10 to 20 kt becoming S after midnight. Winds could gust as high as 25 kt. Snow before 5am, then snow likely, possibly mixed with rain. Patchy fog after 1am. Waves 4 to 6 ft.

Friday

S wind 5 to 10 kt becoming WNW in the afternoon. Snow likely before 11am. Patchy fog before 11am. Waves 4 ft subsiding to 1 ft.

Friday Night

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

Saturday

SE wind 5 to 10 kt, with gusts as high as 20 kt. A slight chance of snow before 9am. Waves 1 ft or less.

Saturday Night

SE wind 5 to 10 kt becoming WNW after midnight. Winds could gust as high as 20 kt. A chance of rain before midnight. Waves 1 to 2 ft.

Sunday

NNW wind 5 to 10 kt increasing to 15 to 20 kt in the afternoon. Winds could gust as high as 35 kt. A chance of snow, mainly after noon. Waves 1 ft or less.

Sunday Night

NNW wind 20 to 25 kt, with gusts as high as 45 kt. A chance of snow. Waves around 1 ft.

Monday

NNW wind 20 to 25 kt, with gusts as high as 45 kt. A slight 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.