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:

Tampa Bay, FL Local Forecast Office

2NM SE Siesta Key FL

Marine Point Forecast

[NOTICE]

Tonight
Low: 65 °F
Light Wind
1ft
Friday
High: 77 °F
S 10kt
1ft
Friday Night
Low: 69 °F
Light Wind
1ft
Saturday
High: 77 °F
SSW 10kt
1ft
Saturday Night
Low: 70 °F
⇑SSE 6kt
1ft
Sunday
High: 78 °F
S 10kt
1ft
Sunday Night
Low: 67 °F
NW 8kt
1ft
Monday
High: 73 °F
N 12kt
1-2ft
Monday Night
Low: 57 °F
NNE 9kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:57 pm CST Dec 4, 2025
Forecast Valid: 9pm CST Dec 4, 2025-6pm CST Dec 11, 2025

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.

Friday

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

Friday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.

Saturday

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

Saturday Night

Variable winds less than 5 kt becoming SSE around 6 kt in the evening. A slight chance of showers after midnight. Seas around 1 ft.

Sunday

SSE wind 6 to 10 kt becoming SW in the afternoon. A chance of showers, with thunderstorms also possible after noon. Seas around 1 ft.

Sunday Night

WSW wind 6 to 8 kt becoming NW after midnight. Showers likely. Seas around 1 ft.

Monday

N wind 8 to 12 kt. A slight chance of showers. Seas 1 to 2 ft.

Monday Night

NNE wind around 9 kt. Mostly cloudy. Seas 1 to 2 ft.

Winds and seas higher in and near thunderstorms.

*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.