Weekly swim report · August 21, 2026
Florida swim report
On August 21, 2026 the warmest USGS water reading in Florida was 96°F at GULF OF AMERICA NEAR CRYSTAL RIVER FL; 4 water-related NWS hazards are active.
Warmest water
The 5 warmest of 122 sensors reporting a water temperature in Florida today. Station names open the official monitoring page.
- #1GULF OF AMERICA NEAR CRYSTAL RIVER FLUSGS gauge96°F 36°C9 hrs ago
- #2BLACKWATER RIVER NEAR GOODLAND, FLUSGS gauge93°F 34°C9 hrs ago
- #3EAST SIDE CREEK NEAR LAKE INGRAHAM, FLUSGS gauge92°F 33°C9 hrs ago
- #4SHAKETT CREEK AT CR 762 NR NOKOMIS, FLUSGS gauge92°F 33°C9 hrs ago
- #5FAKA-UNION RIVER NEAR THE MOUTHUSGS gauge92 °F 33°C9 hrs ago
Active hazards in Florida
Alerts cover counties or forecast zones — an alert for an area does not mean every river or beach inside it is affected. Times are local to the issuing office.
- CautionHeat Advisory
A Heat Advisory is in effect for Coffee; Dale; Henry; Geneva; Houston; North Walton; Central Walton; Holmes; Washington; Jackson; Inland Bay; Calhoun; Inland Gulf; Inland Franklin; Gadsden; Leon; Inland Jefferson; Madison; Inland Wakulla; Inland Taylor; Lafayette; Inland Dixie; South Walton; Coastal Bay; Coastal Gulf; Coastal Franklin; Coastal Jefferson; Coastal Wakulla; Coastal Taylor; Coastal Dixie; Northern Liberty; Southern Liberty; Seminole; Decatur; Grady; Thomas; Brooks; Lowndes; Lanier.
NWS Tallahassee FL · until Aug 21, 8:00 PM
- CautionHeat Advisory
A Heat Advisory is in effect for Choctaw; Washington; Clarke; Wilcox; Monroe; Conecuh; Butler; Crenshaw; Escambia; Covington; Mobile Inland; Baldwin Inland; Mobile Central; Baldwin Central; Mobile Coastal; Baldwin Coastal; Escambia Inland; Escambia Coastal; Santa Rosa Inland; Santa Rosa Coastal; Okaloosa Inland; Okaloosa Coastal; Wayne; Perry; Greene; Stone; George.
NWS Mobile AL · until Aug 21, 8:00 PM
- CautionHeat Advisory
A Heat Advisory is in effect for Inland Broward County; Metro Broward County; Inland Miami-Dade County; Metropolitan Miami Dade; Coastal Broward County; Coastal Miami Dade County; Far South Miami-Dade County.
NWS Miami FL · until Aug 21, 6:00 PM
- CautionSevere Thunderstorm Watch
A Severe Thunderstorm Watch is in effect for Baldwin, AL; Choctaw, AL; Clarke, AL; Conecuh, AL; Escambia, AL; Mobile, AL; Monroe, AL; Washington, AL; Escambia, FL; Santa Rosa, FL; George, MS; Greene, MS; Perry, MS; Stone, MS; Wayne, MS.
NWS Mobile AL · until Aug 21, 8:00 PM
Where to swim in Florida
The most-reviewed, well-rated water destinations in Florida — check each one’s live conditions before you go.
4.8(26,415)Siesta Beach
Fine white quartz sand that stays cool plus a playground, tennis courts & year-round lifeguards.
4.7(22,925)Honeymoon Island State Park
Known for the variety of shells on its shores, this park also offers swimming, fishing & hiking.
4.7(15,477)St. Pete Pier
Picturesque waterfront pier hosting 26 acres of water sports, parks, restaurants & outdoor concerts.
4.5(12,148)Daytona Beach Main Street Pier
This wooden pier stretches from the boardwalk into the ocean & features a seafood restaurant.
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Conditions are for general information only and can change quickly. Always judge the water in person and follow posted advisories and local guidance before swimming or paddling.

