Heavy Snow in the Northwest; Wintry Mix from the Great Lakes to Northeast

Two cold fronts will pass through the Northwest U.S. this week with the main impact being heavy mountain snow across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain to the Upper Midwest and Great Lakes today then the Northeast U.S. tonight into Wednesday. Read More >

For More Weather Information:

Key West, FL Local Forecast Office

3NM N American Shoal Light FL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 77 °F
Light Wind
1ft
Tonight
Low: 70 °F
Light Wind
1ft
Wednesday
High: 77 °F
NE 10kt
1ft
Wednesday Night
Low: 71 °F
ENE 10kt
1ft
Thursday
High: 78 °F
E 15kt
2-3ft
Thursday Night
Low: 73 °F
E 15kt
3ft
Friday
High: 78 °F
E 15kt
3ft
Friday Night
Low: 73 °F
E 15kt
3ft
Saturday
High: 78 °F
E 15kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:15 pm CST Jan 6, 2026
Forecast Valid: 5pm CST Jan 6, 2026-6pm CST Jan 13, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. Sunny. Seas around 1 ft.

Tonight

Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

Wednesday

NE wind around 10 kt. Sunny. Seas around 1 ft.

Wednesday Night

ENE wind around 10 kt. Isolated showers. Seas around 1 ft.

Thursday

E wind 10 to 15 kt. Isolated showers. Seas 2 to 3 ft.

Thursday Night

E wind around 15 kt. Mostly clear. Seas around 3 ft.

Friday

E wind around 15 kt. Sunny. Seas around 3 ft.

Friday Night

E wind around 15 kt. Isolated showers. Seas around 3 ft.

Saturday

E wind around 15 kt. Isolated showers. Seas around 3 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.