Sunny Tuesday with an 87.9°F Gulf average.

Siesta Key weather and Gulf conditions

National Weather Service KSRQ observations ranged from clear to partly cloudy. Nearby NOAA/NDBC station 42013 measured Gulf water from 87.4°F to 88.7°F, averaging 87.9°F across 48 half-hour readings. The National Weather Service Tampa Bay surf-zone forecast called for low rip-current risk and surf of 1 foot or less; check posted beach flags and lifeguard guidance before swimming.

High: 91°F · Low: 79°F · Gulf water: 87.9°F

Recorded air temperature and sky conditions are from the August 25 National Weather Service KSRQ observations. Gulf water is the August 25 average from 48 NOAA/NDBC station 42013 readings; beach hazards are from the National Weather Service Tampa Bay surf-zone forecast.

Start early and schedule a cool break.

Use the clearer morning for swimming and sand time, carry water and choose a shaded or air-conditioned stop during the hottest stretch. Leave the water immediately if thunder is heard and wait for official guidance before returning.

Keep the island loop easy in the heat.

Siesta Free Ride can connect the beach, Village, restaurants and your hotel without another parking search, so your group can cool down between stops.