Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

For More Weather Information:

Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 28 °F
NW 25kt
9ft

Small Craft Advisory
Thursday
High: 30 °F
WNW 15kt
5ft

Small Craft Advisory
Thursday Night
Low: 25 °F
S 10kt
1-2ft
Friday
High: 32 °F
W 15kt
1-2ft
Friday Night
Low: 19 °F
⇑W 30kt
9ft
Saturday
High: 21 °F
WNW 30kt
7-9ft
Saturday Night
Low: 16 °F
NW 30kt
8-10ft
Sunday
High: 25 °F
NW 30kt⇓
10ft
Sunday Night
Low: 14 °F
SSW 15kt
3-5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:00 pm CST Dec 10, 2025
Forecast Valid: 8pm CST Dec 10, 2025-6pm CST Dec 17, 2025

View Nearby Observations

Detailed Forecast

Tonight

NW wind 20 to 25 kt. A chance of snow showers, mainly before 11pm. Waves 9 ft subsiding to 6 ft.

Thursday

WNW wind 10 to 15 kt becoming SW in the afternoon. Cloudy. Waves 5 ft subsiding to 2 ft.

Thursday Night

SW wind 5 to 10 kt becoming ESE after midnight. A chance of snow. Waves 1 to 2 ft.

Friday

ESE wind 5 to 15 kt becoming W in the afternoon. A chance of snow. Waves 1 to 2 ft.

Friday Night

W wind 15 to 20 kt increasing to 25 to 30 kt after midnight. Snow likely, mainly before midnight. Waves 2 ft building to 9 ft.

Saturday

WNW wind 25 to 30 kt. Snow likely. Waves 7 to 9 ft.

Saturday Night

NW wind 25 to 30 kt. Snow likely, mainly before midnight. Waves 8 to 10 ft.

Sunday

NW wind 25 to 30 kt decreasing to 15 to 20 kt in the afternoon. A chance of snow showers. Waves 10 ft subsiding to 6 ft.

Sunday Night

NW wind around 15 kt becoming SSW after midnight. Mostly cloudy. Waves 3 to 5 ft.

The water temperature at St. Joseph and Michigan City is 40
degrees.

*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.