Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Hazardous Weather Conditions

Small Craft Advisory until January 29, 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: 64 °F
NNW 20kt
3ft

Small Craft Advisory
Tonight
Low: 59 °F
N 20kt
2ft

Small Craft Advisory
Thursday
High: 69 °F
NNE 20kt
2ft
Thursday Night
Low: 65 °F
ENE 20kt
2-3ft
Friday
High: 72 °F
N 20kt
3ft
Friday Night
Low: 65 °F
N 20kt
2-3ft
Saturday
High: 72 °F
⇑W 30kt
2-3ft
Saturday Night
Low: 53 °F
NW 35kt
4-5ft
Sunday
High: 58 °F
NNW 30kt
4-5ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:15 pm CST Jan 28, 2026
Forecast Valid: 5pm CST Jan 28, 2026-6pm CST Feb 4, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

N wind 15 to 20 kt. Mostly cloudy. Seas around 2 ft.

Thursday

NNE wind around 20 kt. Partly sunny. Seas around 2 ft.

Thursday Night

ENE wind around 20 kt. Scattered showers. Seas 2 to 3 ft.

Friday

N wind around 20 kt. Scattered showers. Seas around 3 ft.

Friday Night

N wind 15 to 20 kt. Isolated showers. Seas 2 to 3 ft.

Saturday

W wind 15 to 20 kt increasing to 25 to 30 kt in the afternoon. Winds could gust as high as 35 kt. Scattered showers. Seas 2 to 3 ft.

Saturday Night

NW wind 30 to 35 kt. Isolated showers. Seas 4 to 5 ft.

Sunday

NNW wind 25 to 30 kt. Partly sunny. Seas 4 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.