Winter Weather Across Portions of the Mid-Atlantic; Heavy Rain Along the Gulf Coast and Southeast

A storm system will continue to slowly move through the Gulf Coast and Southeast U.S. over the next couple of days, bringing a heavy rainfall threat through the weekend. Isolated instances of flooding may occur. On the north side of this storm system, colder air will support areas of mixed wintry precipitation and light snow from the Tennessee Valley to the Mid-Atlantic Friday. Read More >

For More Weather Information:

Key West, FL Local Forecast Office

3NM SSW Alligator Reef Light FL

Marine Point Forecast

[NOTICE]

Overnight
Low: 75 °F
E 10kt
2ft
Friday
High: 80 °F
ESE 10kt
2ft
Friday Night
Low: 76 °F
SE 10kt
1-2ft
Saturday
High: 81 °F
ESE 10kt
1ft
Saturday Night
Low: 76 °F
Light Wind
1ft
Sunday
High: 80 °F
S 10kt
1ft
Sunday Night
Low: 74 °F
SW 10kt
1ft
Monday
High: 79 °F
WSW 15kt
1-2ft
Monday Night
Low: 70 °F
NNE 15kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:10 am CST Dec 5, 2025
Forecast Valid: 12am CST Dec 5, 2025-6pm CST Dec 11, 2025

View Nearby Observations

Detailed Forecast

Overnight

E wind around 10 kt. Partly cloudy. Seas around 2 ft.

Friday

ESE wind around 10 kt. Mostly sunny. Seas around 2 ft.

Friday Night

SE wind 5 to 10 kt. Partly cloudy. Seas 1 to 2 ft.

Saturday

ESE wind 5 to 10 kt. Mostly sunny. Seas around 1 ft.

Saturday Night

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

Sunday

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

Sunday Night

SW wind 5 to 10 kt. 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 NNE after midnight. Scattered showers. Seas 1 to 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.