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Photo: Fort De Soto Park (Pinellas County, Florida) - Fort De Soto Batteries and Military Post, historical marker F-965 by Nheyob (CC0) License

Fort De Soto

Beach · St. Petersburg, Florida

Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 79°F, within the comfortable 70–86°F range.

  • Water temp 79°F (26°C)

Live data from NOAA buoy PMAF1 (10.8 mi away), as of Oct 20, 6:18 AM UTC.

Why, sources & official advisories
  • Water temperature is 79°F, within the comfortable 70–86°F range. — NOAA buoy PMAF1, as of Oct 20, 6:18 AM UTC

No official beach-advisory feed for Florida yet — follow posted signs and local guidance.

Get an email when it’s warm enough

It’s 79°F at Fort De Soto now. We check the water daily and email you once when it reaches your temperature.

Good conditions todaycamping-nearbypet-friendly

Spanning 1,136 acres across five interconnected islands south of St. Petersburg, Fort De Soto Park offers over 7 miles of award-winning beaches. North Beach features long, silky sand perfect for swimming, while a designated dog beach welcomes four-legged visitors. The park protects mangroves, wetlands, and over 328 documented bird species as a Great Florida Birding Trail gateway site. Built as a coastal defense fort during the Spanish-American War (1898-1906), visitors can explore the historic fort, kayak, bike, fish from two piers, or take the ferry to Egmont Key.

Weather at Fort De Soto

72°F, Clear · H 79° / L 71° · 4% chance of rain
H: 79° L: 71°
Clear
Clear
72°
|
Feels like 65°
Precipitation
4%
Humidity
74%
Wind
20 mph
UV Index
0
Weather notes:
🏄Good for surfing/sailing
12 AM
Clear
72°
3 AM
Clear
72°
6 AM
Clear
72°
9 AM
Sunny
71°
12 PM
Sunny
75°
3 PM
Sunny
78°
6 PM
Sunny
79°
9 PM
Overcast
78°

Frequently asked questions

Where is Fort De Soto?
Fort De Soto is a beach in St. Petersburg, Florida.
What is the water temperature at Fort De Soto?
As of October 20, 2026, the water temperature at Fort De Soto in St. Petersburg, Florida is 79°F (26°C), measured by NOAA buoy PMAF1, 10.8 miles away.
Can you swim at Fort De Soto?
Comfortable for a swim today: water temperature is 79°F, within the comfortable 70–86°F range. Checked October 20, 2026.
How is Fort De Soto rated?
Fort De Soto in St. Petersburg, Florida has an average visitor rating of 4.8 out of 5, based on 2494 reviews.
What amenities does Fort De Soto have?
Visitor-listed amenities at Fort De Soto include camping-nearby, pet-friendly.

Location & Contact

Anderson Blvd, St. Petersburg, FL 33715

St. Petersburg, Florida 33715

🏖️ Best times & visiting tips
  • ›Arrive early for best parking and beach spot selection
  • ›Check for lifeguard schedules and swim only in designated areas
  • ›Bring reef-safe sunscreen to protect marine life
  • ›Watch for beach flags indicating water conditions

Features & amenities

Amenities

⛺ Camping nearby🐾 Dog-friendly
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