Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from December 8, 12:16 PM CST until December 9, 06:00 AM CST

For More Weather Information:

Tampa Bay, FL Local Forecast Office

2NM SE Siesta Key FL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 74 °F
N 12kt
1-2ft
Tonight
Low: 55 °F
NNE 11kt
1-2ft
Tuesday
High: 68 °F
NNE 10kt
1ft
Tuesday Night
Low: 57 °F
NE 6kt
< 1ft
Wednesday
High: 69 °F
⇑NW 8kt
< 1ft
Wednesday Night
Low: 59 °F
Light Wind
< 1ft
Thursday
High: 72 °F
⇑NNW 6kt
< 1ft
Thursday Night
Low: 56 °F
Light Wind
1ft
Friday
High: 72 °F
⇑NNW 6kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:15 pm CST Dec 8, 2025
Forecast Valid: 1pm CST Dec 8, 2025-6pm CST Dec 14, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

This Afternoon

N wind around 12 kt. Partly sunny. Seas 1 to 2 ft.

Tonight

NNE wind 9 to 11 kt, with gusts as high as 20 kt. Mostly cloudy. Seas 1 to 2 ft.

Tuesday

NNE wind 7 to 10 kt, with gusts as high as 19 kt. Mostly sunny. Seas around 1 ft.

Tuesday Night

NE wind around 6 kt. Mostly cloudy. Seas 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming NW 5 to 8 kt in the morning. Mostly sunny. Seas 1 ft or less.

Wednesday Night

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

Thursday

Variable winds less than 5 kt becoming NNW around 6 kt in the morning. Sunny. Seas 1 ft or less.

Thursday Night

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

Friday

Variable winds less than 5 kt becoming NNW around 6 kt in the afternoon. Sunny. Seas around 1 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.