Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

For More Weather Information:

Key West, FL Local Forecast Office

3NM WSW Islamorada FL

Marine Point Forecast

[NOTICE]

Overnight
Low: 70 °F
ESE 10kt
< 1ft
Sunday
High: 75 °F
SE 10kt
< 1ft
Sunday Night
Low: 69 °F
S 10kt
< 1ft
Washington's Birthday
High: 74 °F
WSW 10kt
< 1ft
Monday Night
Low: 66 °F
WNW 10kt
< 1ft
Tuesday
High: 74 °F
Light Wind
< 1ft
Tuesday Night
Low: 69 °F
E 10kt
< 1ft
Wednesday
High: 74 °F
SE 10kt
< 1ft
Wednesday Night
Low: 69 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:53 pm CST Feb 14, 2026
Forecast Valid: 12am CST Feb 15, 2026-6pm CST Feb 21, 2026

View Nearby Observations

Detailed Forecast

Overnight

ESE wind around 10 kt. Partly cloudy. Seas 1 ft or less.

Sunday

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

Sunday Night

S wind 5 to 10 kt. A chance of showers. Seas 1 ft or less.

Washington's Birthday

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

Monday Night

WNW wind 5 to 10 kt becoming NNE after midnight. Mostly clear. Seas 1 ft or less.

Tuesday

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

Tuesday Night

E wind around 10 kt. Partly cloudy. Seas 1 ft or less.

Wednesday

SE wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Mostly clear. 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.