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

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Hazardous Weather Conditions

Small Craft Advisory until January 28, 05:00 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: 68 °F
N 20kt
3ft

Small Craft Advisory
Tonight
Low: 61 °F
NNE 20kt
3ft

Small Craft Advisory
Wednesday
High: 67 °F
NNE 20kt
2ft
Wednesday Night
Low: 59 °F
NNW 20kt
2ft
Thursday
High: 69 °F
N 20kt
2ft
Thursday Night
Low: 63 °F
N 15kt
1-2ft
Friday
High: 70 °F
N 15kt
2ft
Friday Night
Low: 62 °F
NW 15kt
2ft
Saturday
High: 68 °F
NW 25kt
2-3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:15 am CST Jan 27, 2026
Forecast Valid: 1pm CST Jan 27, 2026-6pm CST Feb 2, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

N wind 15 to 20 kt. Sunny. Seas around 3 ft.

Tonight

NNE wind 15 to 20 kt. Partly cloudy. Seas around 3 ft.

Wednesday

NNE wind 15 to 20 kt becoming NNW in the afternoon. Partly sunny. Seas around 2 ft.

Wednesday Night

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

Thursday

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

Thursday Night

N wind 10 to 15 kt. Isolated showers. Seas 1 to 2 ft.

Friday

N wind 10 to 15 kt. Partly sunny. Seas around 2 ft.

Friday Night

NW wind around 15 kt. Isolated showers. Seas around 2 ft.

Saturday

NW wind 15 to 25 kt. Isolated showers. Seas 2 to 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.