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

5NM SE Content Keys FL

Marine Point Forecast

[NOTICE]

Today
High: 68 °F
N 15kt
< 1ft
Tonight
Low: 57 °F
NNE 15kt
< 1ft
Wednesday
High: 69 °F
NNE 15kt
< 1ft
Wednesday Night
Low: 54 °F
NNW 15kt
< 1ft
Thursday
High: 69 °F
N 15kt
< 1ft
Thursday Night
Low: 60 °F
NNE 10kt
< 1ft
Friday
High: 69 °F
N 10kt
< 1ft
Friday Night
Low: 59 °F
NW 10kt
< 1ft
Saturday
High: 69 °F
NW 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:15 am CST Jan 27, 2026
Forecast Valid: 9am CST Jan 27, 2026-6pm CST Feb 2, 2026

View Nearby Observations

Detailed Forecast

Today

N wind 10 to 15 kt. Sunny. Seas 1 ft or less.

Tonight

NNE wind 10 to 15 kt. Partly cloudy. Seas 1 ft or less.

Wednesday

NNE wind 10 to 15 kt becoming NNW in the afternoon. Partly sunny. Seas 1 ft or less.

Wednesday Night

NNW wind around 15 kt. Mostly cloudy. Seas 1 ft or less.

Thursday

N wind 10 to 15 kt. Mostly sunny. Seas 1 ft or less.

Thursday Night

NNE wind around 10 kt. A slight chance of showers. Seas 1 ft or less.

Friday

N wind around 10 kt. Partly sunny. Seas 1 ft or less.

Friday Night

NW wind around 10 kt. A slight chance of showers. Seas 1 ft or less.

Saturday

NW wind 10 to 15 kt. A slight chance of showers. Seas 1 ft or less.

*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.