Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

For More Weather Information:

Key West, FL Local Forecast Office

3NM N American Shoal Light FL

Marine Point Forecast

[NOTICE]

Tonight
Low: 71 °F
ENE 15kt
2ft
Tuesday
High: 78 °F
NE 10kt
1-2ft
Tuesday Night
Low: 71 °F
ENE 10kt
1ft
Wednesday
High: 77 °F
Light Wind
1ft
Wednesday Night
Low: 69 °F
W 10kt
1ft
Thursday
High: 76 °F
W 20kt
1-2ft
Thursday Night
Low: 57 °F
NNW 20kt
3ft
Friday
High: 66 °F
N 15kt
2-3ft
Friday Night
Low: 60 °F
NE 10kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:15 pm CST Jan 12, 2026
Forecast Valid: 6pm CST Jan 12, 2026-6pm CST Jan 19, 2026

View Nearby Observations

Detailed Forecast

Tonight

ENE wind 10 to 15 kt. Scattered showers. Seas around 2 ft.

Tuesday

NE wind around 10 kt. Scattered showers. Seas 1 to 2 ft.

Tuesday Night

ENE wind 5 to 10 kt. Isolated showers. Seas around 1 ft.

Wednesday

Variable winds 5 kt or less. Scattered showers and thunderstorms. Seas around 1 ft.

Wednesday Night

NNW wind 5 to 10 kt becoming W after midnight. Scattered showers and thunderstorms. Seas around 1 ft.

Thursday

W wind 15 to 20 kt. Scattered showers. Seas 1 to 2 ft.

Thursday Night

NNW wind around 20 kt. Isolated showers. Seas around 3 ft.

Friday

N wind 10 to 15 kt. Sunny. Seas 2 to 3 ft.

Friday Night

NE wind around 10 kt. Mostly clear. Seas around 2 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.