Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

For More Weather Information:

Key West, FL Local Forecast Office

5NM SE Content Keys FL

Marine Point Forecast

[NOTICE]

Friday
High: 78 °F
Light Wind
< 1ft
Friday Night
Low: 68 °F
Light Wind
< 1ft
Saturday
High: 79 °F
Light Wind
< 1ft
Saturday Night
Low: 69 °F
Light Wind
< 1ft
Sunday
High: 81 °F
Light Wind
< 1ft
Sunday Night
Low: 70 °F
Light Wind
< 1ft
Monday
High: 78 °F
NW 15kt
< 1ft
Monday Night
Low: 57 °F
N 15kt
< 1ft
Tuesday
High: 68 °F
NNE 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:15 am CST Jan 23, 2026
Forecast Valid: 1am CST Jan 23, 2026-6pm CST Jan 29, 2026

View Nearby Observations

Detailed Forecast

Friday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. A slight chance of showers. Seas 1 ft or less.

Saturday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. A slight chance of showers. Seas 1 ft or less.

Monday

WSW wind 5 to 15 kt becoming NW in the afternoon. A slight chance of showers. Seas 1 ft or less.

Monday Night

N wind around 15 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

NNE wind 10 to 15 kt. Sunny. 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.