Florida Keys sargassum & beach forecast
United States · 17 beaches and resorts
Veabird grades 17 beaches and resorts in Florida Keys, United States, every six hours on seaweed, water, waves, weather and crowds. The most are in Key West, Islamorada and Key Largo. On a typical beach here, sargassum risk is moderate or higher from April to September, peaks in June and July and is lowest in January and December. It varies by beach: Isla Bella Beach Resort has the highest typical risk and Pier House Resort & Spa the lowest. Across the region, average highs run from about 75°F in January to 90°F in August, and the sea from about 73°F to 88°F. Rain is most likely in September and least likely in April.
This week, beach by beach
Key West
- Casa Marina Key West seaweed peak: highSatB+SunB+MonA-TueA-WedA-
- Pier House Resort & Spa seaweed peak: moderateSatA-SunA-MonATueA-WedA-
- Southernmost Beach Resort seaweed peak: highSatB+SunB+MonA-TueA-WedA-
- Sunset Key Cottages seaweed peak: moderateSatA-SunA-MonATueA-WedA-
- The Reach Key West seaweed peak: highSatB+SunB+MonA-TueA-WedA-
Islamorada
- Casa Morada seaweed peak: moderateSatA-SunA-MonA-TueAWedA-
- Cheeca Lodge & Spa seaweed peak: highSatB+SunA-MonA-TueA-WedA-
- Islander Resort seaweed peak: highSatB+SunA-MonA-TueA-WedA-
- The Moorings Village seaweed peak: highSatB+SunA-MonA-TueA-WedA-
Key Largo
- Baker's Cay Resort Key Largo seaweed peak: moderateSatA-SunA-MonATueAWedA-
- Ocean Reef Club seaweed peak: highSatB+SunA-MonA-TueA-WedA-
- Playa Largo Resort & Spa seaweed peak: moderateSatA-SunA-MonATueAWedA-
Little Torch Key
- Little Palm Island Resort & Spa seaweed peak: highSatB+SunA-MonA-TueA-WedA-
- Parmer's Resort seaweed peak: moderateSatA-SunA-MonA-TueA-WedA-
Marathon
- Isla Bella Beach Resort seaweed peak: highSatA-SunA-MonA-TueA-WedA-
- Tranquility Bay Beachfront Resort seaweed peak: moderateSatA-SunA-MonATueA-WedA-
Duck Key
- Hawks Cay Resort seaweed peak: highSatA-SunA-MonA-TueAWedA
Grades for the next few days from Veabird's beach forecast, updated Oct 3, 18:00 UTC. Higher is better: A+ to F.
Weather, water & seaweed by month
| Month | Avg high | Sea | Chance of rain | Sargassum |
|---|---|---|---|---|
| Jan | 75°F | 73°F | 18% | Very low |
| Feb | 76°F | 73°F | 15% | Low |
| Mar | 79°F | 77°F | 15% | Low |
| Apr | 82°F | 81°F | 13% | Moderate |
| May | 85°F | 84°F | 22% | High |
| Jun | 88°F | 86°F | 40% | High |
| Jul | 89°F | 88°F | 40% | High |
| Aug | 90°F | 88°F | 45% | High |
| Sep | 88°F | 86°F | 50% | Moderate |
| Oct | 85°F | 84°F | 35% | Low |
| Nov | 80°F | 79°F | 20% | Low |
| Dec | 77°F | 75°F | 18% | Very low |
Regional monthly averages from Veabird's climate table for Florida Keys; resort pages add their own spot's numbers where available. Sargassum is the typical-year risk on the median beach here.
Seaweed cleanup & barriers
- Offshore barriers
- None.
- Public cleanup
- Monroe County and City of Key West remove from public beaches; most Keys shores are rocky.
- Resort crews
- Resort crews clear private beaches daily.
- Typical clearing time
- same-day to 2 days
Safety notes
US domestic
- Boating and snorkel safety: currents in channels.
- Lionfish/fire coral contact hazards.
Things to do in Florida Keys
- Duval Street & Mallory Square sunset
- Dry Tortugas National Park
- Hemingway Home
- Snorkel reefs (Sand Key)
- John Pennekamp Coral Reef State Park (Key Largo)
- Bahia Honda State Park