89°
Slight Chance Showers And Thunderstorms
24%
38
Monroe County, FL · Atlantic Ocean
Sombrero Beach
411 Sombrero Beach Rd, Marathon, FL 33050
Marathon's flagship free city beach — a wide curve of imported sand at the end of Sombrero Beach Road, palm-shaded picnic pavilions, and one of the most reliable sea-turtle nesting beaches in the Middle Keys (May–October). Quiet, family-oriented, with shallow protected water.
Today's Conditions
Skip the beach today.
Thunderstorms · 91°F water
Full NWS forecast for Today
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms. Mostly clear, with a low around 83. East wind 5 to 10 mph. Chance of precipitation is 30%.
Weather
- 89°F air — hot — hydrate and seek shade
- 24% rain — pop-up showers possible
Water
- 91°F water — warm — full-day swim weather
Safety
- Thunderstorms — stay off the water when storms approach
- UV 12 (extreme) — spf 50+ mandatory, limit mid-day exposure
33 /100
skip
24 Swim
53 Sunbathe
29 Walk
33 Photo
Best for sunbathing today
Atmosphere
Air Temp
89°F
Clear
Wind
5 to 10 mph
SE
Rain
24%
Today
UV Peak
12 Extreme
High 11 AM–04 PM · burn in ~17m
Burn-free before 09 AM & after 06 PM
Tomorrow
90°F
Chance Showers And Thunderstorms
Water
Water Temp
91°F
Swimming weather
Next Low Tide
5:36 PM
-0.1 ft · in 2.9h
Water Quality
Clean
31 MPN/100mL · Enterococcus
USGS · sampled 6mo ago
Sun & Moon
Sunrise
6:36 AM
Sunset
8:16 PM
Moon · 80%
Waxing Gibbous
Neap tides — smaller range
Today's Tides
7-day chart →| Time | Type | Height |
|---|---|---|
| 9:36 AM | High | 0.9 ft |
| 5:36 PM | Low | -0.1 ft |
7-Day Beach Day Forecast
90°
Chance Showers And Thunderstorms
27%
38
90°
Chance Showers And Thunderstorms
31%
38
89°
Chance Showers And Thunderstorms then Sunny
30%
38
89°
Sunny
9%
76
89°
Slight Chance Rain Showers then Sunny
11%
77
89°
Slight Chance Showers And Thunderstorms
20%
38
What to Bring Today
- critical SPF 50 sunscreen UV index 12 — very high
- recommended Umbrella or shade warm day, light wind
- optional Swimsuit - water is swimmable Water is 91°F
- critical Extra water / electrolytes 89°F - heat risk
- recommended Cooling towel or hat sustained heat
Always remember water bottle, trash bag (leave no trace).
Beach Info
Parking
License-plate paid parking: $5/hour first 2 hours, $2/hour after.
Dogs
Leashed dogs welcome. Owners must pick up after pets.
Entry Fee
Free
Address
411 Sombrero Beach Rd, Marathon, FL 33050
Amenities
7-Day Tide Chart →
Full high/low predictions for the next week at Sombrero Beach.
7-Day Weather →
Extended forecast for Sombrero Beach from the National Weather Service.
Frequently Asked
Is Sombrero Beach dog-friendly?
Leashed dogs welcome. Owners must pick up after pets.
Is there an entry fee at Sombrero Beach?
Entry to Sombrero Beach is free.
Are there lifeguards at Sombrero Beach?
No lifeguards are stationed at Sombrero Beach. Swim at your own risk and keep close watch on children.
What amenities are at Sombrero Beach?
Amenities at Sombrero Beach include restrooms, showers, picnic pavilions, volleyball courts, playground, kayak launch.
When is the water warmest at Sombrero Beach?
Atlantic water temperatures peak in August. Northern beaches (ME, NH, MA) run cool — typically 60-68°F at the summer peak. Mid-Atlantic (NJ, DE, MD, VA) hits 74-76°F. The Carolinas and Florida Atlantic warm into the 80s and stay swimmable from May through October.
Where is Sombrero Beach located?
Sombrero Beach is in Monroe County, FL, at 411 Sombrero Beach Rd, Marathon, FL 33050.
Nearby Beaches
Updated · Data from NOAA, NWS