Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through Monday. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Hazardous Weather Conditions

Small Craft Advisory until February 2, 04:00 AM CST

For More Weather Information:

Key West, FL Local Forecast Office

3NM N American Shoal Light FL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 58 °F
NNW 20kt
4ft

Small Craft Advisory
Tonight
Low: 52 °F
NNW 20kt
3-4ft

Small Craft Advisory
Monday
High: 61 °F
N 15kt
2ft
Monday Night
Low: 55 °F
N 15kt
2ft
Tuesday
High: 67 °F
NE 15kt
2ft
Tuesday Night
Low: 62 °F
ENE 15kt
2ft
Wednesday
High: 71 °F
ENE 10kt
1-2ft
Wednesday Night
Low: 64 °F
NNE 10kt
1ft
Thursday
High: 70 °F
WNW 20kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:15 pm CST Feb 1, 2026
Forecast Valid: 3pm CST Feb 1, 2026-6pm CST Feb 7, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

NNW wind around 20 kt. Isolated showers. Seas around 4 ft.

Tonight

NNW wind around 20 kt. Mostly cloudy. Seas 3 to 4 ft.

Monday

N wind around 15 kt. Mostly sunny. Seas around 2 ft.

Monday Night

N wind around 15 kt becoming NE after midnight. Mostly clear. Seas around 2 ft.

Tuesday

NE wind around 15 kt. Mostly sunny. Seas around 2 ft.

Tuesday Night

ENE wind 10 to 15 kt. Mostly cloudy. Seas around 2 ft.

Wednesday

ENE wind around 10 kt becoming NNE in the afternoon. Mostly sunny. Seas 1 to 2 ft.

Wednesday Night

NNE wind 5 to 10 kt becoming NW after midnight. Isolated showers. Seas around 1 ft.

Thursday

WNW wind 10 to 20 kt. Scattered showers. Seas 1 to 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.