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:

Chicago, IL Local Forecast Office

6NM N Gary IN

Marine Point Forecast

[NOTICE]

This Afternoon
High: 34 °F
NNW 25kt
9-11ft

Gale Warning
Tonight
Low: 23 °F
NW 20kt
9ft
Thursday
High: 28 °F
WNW 10kt
4ft
Thursday Night
Low: 27 °F
Light Wind
< 1ft
Friday
High: 32 °F
W 10kt
< 1ft
Friday Night
Low: 14 °F
W 15kt
1-3ft
Saturday
High: 15 °F
WNW 15kt
2-3ft
Saturday Night
Low: 8 °F
WNW 15kt
3-5ft
Sunday
High: 16 °F
WNW 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: 3:11 pm CST Dec 10, 2025
Forecast Valid: 3pm CST Dec 10, 2025-6pm CST Dec 16, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

NNW wind 20 to 25 kt, with gusts as high as 35 kt. Cloudy. Waves 9 to 11 ft. occasionally to 14ft.

Tonight

NW wind 15 to 20 kt, with gusts as high as 30 kt. A chance of snow before midnight, then a chance for flurries. Waves 9 ft subsiding to 4 ft.

Thursday

WNW wind 5 to 10 kt becoming SW in the afternoon. Winds could gust as high as 15 kt. Mostly cloudy. Waves 4 ft subsiding to 1 ft.

Thursday Night

Variable winds 5 kt or less. A chance of snow. Waves 1 ft or less.

Friday

ESE wind 5 to 10 kt becoming WNW in the morning. A slight chance of snow showers, mainly after noon. Waves 1 ft or less.

Friday Night

W wind around 15 kt, with gusts as high as 25 kt. A slight chance of snow showers before midnight. Waves 1 to 3 ft.

Saturday

WNW wind around 15 kt, with gusts as high as 20 kt. Snow likely, mainly after noon. Waves 2 to 3 ft.

Saturday Night

WNW wind around 15 kt, with gusts as high as 20 kt. A chance of snow showers. Waves 3 to 5 ft.

Sunday

WNW wind 10 to 15 kt, with gusts as high as 20 kt. Partly sunny. Waves 3 to 5 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.