Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

For More Weather Information:

Key West, FL Local Forecast Office

3NM SSW Alligator Reef Light FL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 81 °F
Light Wind
1ft
Tonight
Low: 76 °F
Light Wind
1ft
Sunday
High: 81 °F
ESE 10kt
1ft
Sunday Night
Low: 75 °F
WSW 10kt
1ft
Monday
High: 80 °F
WSW 15kt
1-2ft
Monday Night
Low: 70 °F
WNW 15kt
2ft
Tuesday
High: 76 °F
NNE 15kt
2ft
Tuesday Night
Low: 70 °F
ENE 10kt
2ft
Wednesday
High: 76 °F
ENE 10kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:15 pm CST Dec 6, 2025
Forecast Valid: 4pm CST Dec 6, 2025-6pm CST Dec 12, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

Variable winds 5 kt or less. Isolated showers. Seas around 1 ft.

Sunday

E wind 5 to 10 kt becoming S in the afternoon. Isolated showers. Seas around 1 ft.

Sunday Night

S wind 5 to 10 kt becoming WSW after midnight. Scattered showers. Seas around 1 ft.

Monday

WSW wind 10 to 15 kt. Scattered showers. Seas 1 to 2 ft.

Monday Night

WNW wind around 15 kt becoming N after midnight. Scattered showers. Seas around 2 ft.

Tuesday

NNE wind 10 to 15 kt. Scattered showers. Seas around 2 ft.

Tuesday Night

ENE wind around 10 kt. Scattered showers. Seas around 2 ft.

Wednesday

ENE wind around 10 kt. Isolated showers. Seas around 2 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.