← Live Beach Conditions
🌆
Florida

South Beach, Miami Beach Conditions Today

South Beach: Ocean Drive Shoreline
Current Conditions — August 2026
Green Flag - Low to No Sargassum - South Beach
Updated: August 17, 2026
🌙 Nightlife💎 Luxury💑 Couples
Seaweed LevelLow to none - shoreline reported clear
TrendImproved - low to no sargassum
WatchSouth Beach is green with low surf hazard and low to no sargassum reported. Follow posted flags and lifeguard instructions.
Beach FlagGreen / Low Hazard
Rip CurrentLow - green flag conditions
Water Temp89°F
UV Index9
Also check
🏖️ Fort Lauderdale 🌴 Key West 🌊 Clearwater Beach 🇦🇼 Aruba

About South Beach, Miami Beaches

Water conditions are excellent today with no sargassum detected and clear water. A good day to be on the beach.

Geography & Why It Matters

South Beach faces east into the Atlantic Ocean on Miami Beach, a barrier island separating Biscayne Bay from the open ocean. Its east-facing exposure means it receives Florida's seasonal sargassum from the Atlantic.

Seaweed & Sargassum at South Beach, Miami

Florida's Atlantic coast sees seasonal sargassum from May through August as the Great Atlantic Sargassum Belt drifts into the Gulf Stream. South Beach can see patchy accumulation during this window: conditions vary week to week. The gulf-facing west coast of Florida (Clearwater, Siesta Key) does not experience this issue.

Best Months to Visit
October through April for lowest seaweed risk
Water Temperature
72–82°F (22–28°C)
Key Beaches
South Beach (1st–15th St), Lummus Park Beach, Mid-Beach, Surfside
Region
Florida

📜 Coastal History

Miami Beach was a swampy mangrove island with no permanent residents until 1912, when developer Carl Fisher used hydraulic dredges to pump sand from Biscayne Bay and literally build the island upward from the wetlands: one of the most audacious real-estate engineering projects in American history. The Art Deco hotels lining Ocean Drive were built in a burst of construction between 1923 and 1940, creating the largest collection of Art Deco architecture in the world, now a National Historic Landmark. During Prohibition, Miami's Biscayne Bay was a moonlit highway for rum runners making nightly runs from the Bahamas: the same warm, clear water that now draws tourists once carried contraband whiskey in the holds of fast boats.

"Deep calls to deep in the roar of your waterfalls; all your waves and breakers have swept over me.": Psalm 42:7

See All 50+ Beach Conditions

Live seaweed levels, surf, water quality and hotel deals — updated daily. Free.

View Live Conditions →

Frequently Asked Questions

Yes. Conditions are good for swimming today with clear water and no significant seaweed or hazard flags reported. Standard beach safety rules still apply.
October through April for lowest seaweed risk and most comfortable weather. Spring break (March) is extremely busy. December through February is peak snowbird season with beautiful beach conditions.
Miami Beach Ocean Rescue most recently reported low hazard and NWS forecasts low rip-current risk. Medium seasonal sargassum can still affect individual shoreline blocks.
Water temperature at South Beach ranges from 72–82°F (22–28°C), coolest in January–February and warmest in August–September. Summer months are very warm and pleasant for swimming.