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St. Petersburg, FL Marine Weather Forecast

Station SAPF1 - 8726520 - St. Petersburg, Tampa Bay, FL

September 20, 2026 12:48 pm EDT
Location: 27.761N 82.627W
Wind Direction: E (80°)
Wind Speed: 4.1 knots
Wind Gust: 6.0 knots
Atmospheric Pressure: 29.94 in (1014.0 mb)
Air Temperature: 85.3°F (29.6°C)
Water Temperature: 87.3°F (30.7°C)


This Afternoon - 88°F
Sep 20, 2026
5 mph NNE
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms between 2pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. North northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Tonight - 76°F
Sep 20, 2026
8 mph E
Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms
A chance of showers and thunderstorms before 8pm, then scattered showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 76. East wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Monday - 88°F
Sep 21, 2026
7 mph E
Mostly Sunny then Scattered Showers And Thunderstorms
Scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. East wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Monday Night - 77°F
Sep 21, 2026
6 to 9 mph NE
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms. Partly cloudy, with a low around 77. Northeast wind 6 to 9 mph. Chance of precipitation is 50%.
Tuesday - 88°F
Sep 22, 2026
5 to 8 mph SE
Isolated Showers And Thunderstorms
Isolated showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southeast wind 5 to 8 mph. Chance of precipitation is 70%.
Tuesday Night - 77°F
Sep 22, 2026
5 to 8 mph N
Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms
A chance of showers and thunderstorms before 8pm, then scattered showers and thunderstorms. Partly cloudy, with a low around 77. North wind 5 to 8 mph. Chance of precipitation is 70%.
Wednesday - 88°F
Sep 23, 2026
7 mph NE
Isolated Showers And Thunderstorms then Chance Showers And Thunderstorms
Isolated showers and thunderstorms before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Northeast wind around 7 mph. Chance of precipitation is 60%.
Wednesday Night - 77°F
Sep 23, 2026
6 mph NE
Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms
A chance of showers and thunderstorms before 8pm, then scattered showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 77. Northeast wind around 6 mph. Chance of precipitation is 60%.
Thursday - 89°F
Sep 24, 2026
9 mph NE
Mostly Sunny then Scattered Showers And Thunderstorms
Scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Northeast wind around 9 mph. Chance of precipitation is 40%.
Thursday Night - 76°F
Sep 24, 2026
8 to 12 mph NE
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms before 2am. Partly cloudy, with a low around 76. Chance of precipitation is 40%.
Friday - 88°F
Sep 25, 2026
10 mph NE
Mostly Sunny then Scattered Showers And Thunderstorms
Scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Friday Night - 75°F
Sep 25, 2026
10 mph NE
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Saturday - 87°F
Sep 26, 2026
7 to 10 mph NE
Mostly Sunny then Scattered Showers And Thunderstorms
Scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Saturday Night - 74°F
Sep 26, 2026
9 mph NE
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms before 2am. Partly cloudy, with a low around 74.

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