Monroe County, FL · Atlantic Ocean

Smathers Beach

Key West's longest beach — half a mile of imported sand fronting South Roosevelt Boulevard. Calm Atlantic water, food trucks at the east end, watersport rentals. The default Key West public beach.

Today's Conditions

Decent day for sunbathing.

Thunderstorms · 90°F water

Full NWS forecast for This Afternoon

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southeast wind around 5 mph. Chance of precipitation is 20%.

Tonight

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 83. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.

Weather

90°F air — hot — hydrate and seek shade
22% rain — pop-up showers possible

Water

90°F water — warm — full-day swim weather

Safety

Thunderstorms — stay off the water when storms approach
UV 10 (extreme) — spf 50+ mandatory, limit mid-day exposure

36 /100

26 Swim

59 Sunbathe

31 Walk

33 Photo

Best for sunbathing today

Water level 0.8 ft above predicted

Observed water level is running higher than the astronomical tide prediction. Expect a narrower beach, faster-rising water, and stronger near-shore currents than the tide chart suggests.

NOAA station 8724580 · Observed 1.64 ft · Predicted 0.83 ft

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Atmosphere

Air Temp

90°F

Clear

Wind

5 mph

Rain

22%

This Afternoon

UV Peak

10 Very High

High 11 AM–04 PM · burn in ~20m

Burn-free before 09 AM & after 06 PM

Tomorrow

90°F

Slight Chance Showers And Thunderstorms

Water

Water Temp

90°F

Swimming weather

Water Quality

Clean

10 MPN/100mL · Enterococcus

USGS · sampled 7mo ago

Sun & Moon

Sunrise

6:48 AM

Sunset

8:17 PM

Moon · 18%

Waxing Crescent

Neap tides — smaller range

Tides

Time	Type	Height
1:41 AM	High	1.4 ft
7:01 AM	Low	0.3 ft
1:40 PM	High	1.7 ft
7:47 PM	Low	0.2 ft

Time	Type	Height
2:20 AM	High	1.5 ft
8:07 AM	Low	0.3 ft
2:33 PM	High	1.5 ft
8:26 PM	Low	0.3 ft

Time	Type	Height
3:00 AM	High	1.6 ft
9:16 AM	Low	0.3 ft
3:30 PM	High	1.2 ft
9:06 PM	Low	0.4 ft

Time	Type	Height
3:43 AM	High	1.6 ft
10:27 AM	Low	0.3 ft
4:42 PM	High	1.0 ft
9:48 PM	Low	0.5 ft

Time	Type	Height
4:32 AM	High	1.7 ft
11:38 AM	Low	0.2 ft
6:19 PM	High	0.9 ft
10:34 PM	Low	0.6 ft

Time	Type	Height
5:26 AM	High	1.7 ft
12:46 PM	Low	0.2 ft
7:56 PM	High	0.8 ft
11:25 PM	Low	0.7 ft

Time	Type	Height
6:23 AM	High	1.7 ft
1:47 PM	Low	0.1 ft
9:02 PM	High	0.8 ft

High/low predictions from NOAA station 8724580, refreshed on every build. Times shown local.

7-Day Beach Day Forecast

Today Jul 18

90°

Slight Chance Showers And Thunderstorms

22%

Sun Jul 19

90°

Slight Chance Showers And Thunderstorms

21%

Mon Jul 20

90°

Slight Chance Showers And Thunderstorms

16%

Tue Jul 21

90°

Sunny

Wed Jul 22

91°

Sunny

Thu Jul 23

92°

Sunny

Fri Jul 24

92°

Slight Chance Showers And Thunderstorms then Sunny

17%

What to Bring Today

critical SPF 50 sunscreen UV index 10 — very high
recommended Umbrella or shade warm day, light wind
optional Swimsuit - water is swimmable Water is 90°F
critical Extra water / electrolytes 90°F - heat risk
recommended Cooling towel or hat sustained heat

Always remember water bottle, trash bag (leave no trace).

Beach Info

Parking

Paid street parking on S Roosevelt Blvd.

Dogs

Dogs prohibited on Key West public beaches.

Entry Fee

Free

Address

S Roosevelt Blvd, Key West, FL 33040

Amenities

restroomsfood truckswatersport rentalsshowers

Frequently Asked

Is it safe to swim at Smathers Beach today?

Smathers Beach shows a live water-quality reading (bacteria levels) and today's swim-safety score at the top of this page, refreshed on every update. No lifeguards are on duty, so check the day's conditions and swim with caution. Always review the current advisories, surf, and rip-current notes before getting in the water.

Is Smathers Beach dog-friendly?

Dogs prohibited on Key West public beaches.

Is there an entry fee at Smathers Beach?

Entry to Smathers Beach is free.

Are there lifeguards at Smathers Beach?

No lifeguards are stationed at Smathers Beach. Swim at your own risk and keep close watch on children.

What amenities are at Smathers Beach?

Amenities at Smathers Beach include restrooms, food trucks, watersport rentals, showers.

When is the water warmest at Smathers 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 Smathers Beach located?

Smathers Beach is in Monroe County, FL, at S Roosevelt Blvd, Key West, FL 33040.