78°
Sunny
0%
85
Charleston County, SC · Atlantic Ocean
Sullivan's Island Beach
Middle St, Sullivan's Island, SC 29482
Charleston's upmarket barrier island — Fort Moultrie at the south tip, Battery Gadsden, large historic cottages, and an enforced quiet beach scene (no music, no chairs left overnight, strict alcohol rules). The most polished of the Charleston-area beaches.
Today's Conditions
Ideal for a beach walk.
NWS alert active · 79°F water · 78°F air
Full NWS forecast for This Afternoon
Sunny, with a high near 78. East wind around 14 mph.
Tonight
Clear, with a low around 66. Northeast wind 3 to 13 mph.
Weather
- 78°F air — ideal beach weather
- Sunny skies — clear conditions
Water
- 79°F water — warm — full-day swim weather
Safety
- NWS alert active — small craft advisory issued june 3 at 2:19pm edt until june 4 at 12:00am edt by nws charleston sc
69 /100
good
53 Swim
83 Sunbathe
87 Walk
80 Photo
Best for walking today
Water level 1.7 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.
Small Craft Small Craft Advisory
Small Craft Advisory issued June 3 at 2:19PM EDT until June 4 at 12:00AM EDT by NWS Charleston SC
Full NWS statement
* WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 6 ft. * WHERE...South Santee River to Edisto Beach out 20 NM. * WHEN...Until midnight EDT tonight. * IMPACTS...Conditions will be hazardous to small craft.
Atmosphere
Air Temp
78°F
Clear
Wind
14 mph
E
Rain
0%
This Afternoon
UV Peak
8 Very High
High 11 AM–03 PM · burn in ~25m
Burn-free before 09 AM & after 06 PM
Tomorrow
80°F
Sunny
Water
Water Temp
79°F
Swimming weather
Next High Tide
10:54 PM
5.4 ft · in 1.5h
Barometer
30.20 inHg
1023 hPa
Water Quality
Clean
10 MPN/100mL · Enterococcus
USGS · sampled 5mo ago
Sun & Moon
Sunrise
6:11 AM
Sunset
8:23 PM
Moon · 88%
Waning Gibbous
Neap tides — smaller range
Today's Tides
7-day chart →| Time | Type | Height |
|---|---|---|
| 4:45 AM | Low | 0.5 ft |
| 10:31 AM | High | 4.3 ft |
| 4:24 PM | Low | 0.5 ft |
| 10:54 PM | High | 5.4 ft |
7-Day Beach Day Forecast
80°
Sunny
0%
85
81°
Sunny
0%
85
82°
Mostly Sunny
2%
85
83°
Partly Sunny
14%
85
83°
Chance Showers And Thunderstorms
45%
34
79°
Chance Showers And Thunderstorms
51%
34
What to Bring Today
- critical SPF 50 sunscreen UV index 8 — very high
- recommended Sturdy umbrella + sand anchor 14 mph wind
- optional Swimsuit - water is swimmable Water is 79°F
Always remember water bottle, trash bag (leave no trace).
Beach Info
Parking
Free street parking only — limited spaces, no public lots. Bike from Charleston via the Ravenel Bridge if you can.
Dogs
May 1 – Sep 30: dogs allowed on the beach only 6 PM – 10 AM (off-leash 5 AM – 10 AM, on-leash 6 PM – 5 AM); prohibited 10 AM – 6 PM. Oct 1 – April 30: off-leash 5 AM – noon, on-leash noon – 5 AM. Town dog license required.
Entry Fee
Free
Address
Middle St, Sullivan's Island, SC 29482
Amenities
7-Day Tide Chart →
Full high/low predictions for the next week at Sullivan's Island Beach.
7-Day Weather →
Extended forecast for Sullivan's Island Beach from the National Weather Service.
Frequently Asked
Is Sullivan's Island Beach dog-friendly?
May 1 – Sep 30: dogs allowed on the beach only 6 PM – 10 AM (off-leash 5 AM – 10 AM, on-leash 6 PM – 5 AM); prohibited 10 AM – 6 PM. Oct 1 – April 30: off-leash 5 AM – noon, on-leash noon – 5 AM. Town dog license required.
Is there an entry fee at Sullivan's Island Beach?
Entry to Sullivan's Island Beach is free.
Are there lifeguards at Sullivan's Island Beach?
No lifeguards are stationed at Sullivan's Island Beach. Swim at your own risk and keep close watch on children.
What amenities are at Sullivan's Island Beach?
Amenities at Sullivan's Island Beach include fort historic site, restaurants nearby, no restrooms on most of the beach.
When is the water warmest at Sullivan's Island 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 Sullivan's Island Beach located?
Sullivan's Island Beach is in Charleston County, SC, at Middle St, Sullivan's Island, SC 29482.
Nearby Beaches
Updated · Data from NOAA, NWS