For More Weather Information:

Saint Petersburg FL

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:37 am CDT Jul 21, 2026
Forecast Valid: 7am CDT Jul 21, 2026-6pm CDT Jul 27, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

Today

SSW wind 9 to 17 kt, with gusts as high as 24 kt. Scattered showers and thunderstorms, mainly before 1pm. Seas 1 to 2 ft.

Tonight

S wind around 12 kt, with gusts as high as 18 kt. Mostly clear. Seas around 1 ft.

Wednesday

SSE wind around 11 kt becoming SW in the afternoon. Sunny. Seas around 1 ft.

Wednesday Night

SW wind 6 to 8 kt. Partly cloudy. Seas 1 ft or less.

Thursday

S wind around 7 kt becoming WSW in the afternoon. Isolated showers and thunderstorms after 1pm. Seas 1 ft or less.

Thursday Night

WNW wind around 7 kt becoming E after midnight. Mostly clear. Seas 1 ft or less.

Friday

E wind around 6 kt becoming variable and less than 5 kt. Isolated showers and thunderstorms after 1pm. Seas 1 ft or less.

Friday Night

NW wind 5 to 8 kt becoming E after midnight. Isolated showers and thunderstorms before 1am. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming W 5 to 8 kt in the afternoon. Isolated showers and thunderstorms after 1pm. Seas 1 ft or less.

Winds and waves 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.