74°
Partly Sunny
0%
84
Camden County, GA · Atlantic Ocean
Cumberland Island National Seashore
101 Wheeler Street, St. Marys, GA 31558
Georgia's largest barrier island, accessible only by passenger ferry from St. Marys, Cumberland is a near-pristine 17-mile wilderness of undeveloped beach, maritime forest, salt marsh, and free-ranging feral horses, with the haunting ruins of the Carnegies' Dungeness mansion.
Today's Conditions
Ideal for a beach walk.
74°F air
Full NWS forecast for This Afternoon
Partly sunny. High near 74, with temperatures falling to around 69 in the afternoon. Northeast wind around 10 mph.
Tonight
Partly cloudy, with a low around 60. Northeast wind 2 to 8 mph.
Weather
- 74°F air — ideal beach weather
- Sunny skies — clear conditions
84 /100
great
82 Sunbathe
86 Walk
82 Photo
Best for walking today
Atmosphere
Air Temp
74°F
Clear
Wind
10 mph
NE
Rain
0%
This Afternoon
Air Quality
48 Good
PM2.5 (fine particles) · Brunswick
UV Peak
5 Moderate
Peaks 12 PM · burn in ~40m
Burn-free before 10 AM & after 03 PM
Tomorrow
73°F
Mostly Sunny
Water
Water Temp
—
Next High Tide
7:22 PM
6.5 ft · in 49m
Wave Height
3.0 ft
11s · E swell
Barometer
29.93 inHg
1014 hPa · buoy 41008
Rip Current Risk · Regional Reference
No zone-specific NWS forecast for this beach (GAZ166)
The JAX office's Surf Zone Forecast doesn't cover this beach's forecast zone directly. Nearby coastal zones it does cover are listed below — regional reference only, not a substitute for the conditions at this specific beach.
- FLZ124 Nassau-Duval-Flagler-St. Johns — Yulee, Fernandina Beach, Jacksonville Beach, n/a
- GAZ154 Glynn-Camden — Brunswick, St. Simons, Country Club Estates, n/a
Sun & Moon
Sunrise
6:45 AM
Sunset
5:33 PM
Moon · 5%
Waning Crescent
Spring tides — bigger range
Tides
| Time | Type | Height |
|---|---|---|
| 12:32 AM | Low | 0.4 ft |
| 7:11 AM | High | 7.2 ft |
| 1:13 PM | Low | 0.6 ft |
| 7:22 PM | High | 6.5 ft |
| Time | Type | Height |
|---|---|---|
| 1:15 AM | Low | 0.4 ft |
| 7:53 AM | High | 7.3 ft |
| 1:58 PM | Low | 0.6 ft |
| 8:04 PM | High | 6.4 ft |
| Time | Type | Height |
|---|---|---|
| 1:56 AM | Low | 0.4 ft |
| 8:34 AM | High | 7.3 ft |
| 2:40 PM | Low | 0.6 ft |
| 8:44 PM | High | 6.2 ft |
| Time | Type | Height |
|---|---|---|
| 2:34 AM | Low | 0.5 ft |
| 9:13 AM | High | 7.1 ft |
| 3:20 PM | Low | 0.7 ft |
| 9:23 PM | High | 6.0 ft |
| Time | Type | Height |
|---|---|---|
| 3:11 AM | Low | 0.6 ft |
| 9:51 AM | High | 7.0 ft |
| 3:59 PM | Low | 0.9 ft |
| 10:03 PM | High | 5.9 ft |
| Time | Type | Height |
|---|---|---|
| 3:47 AM | Low | 0.8 ft |
| 10:30 AM | High | 6.8 ft |
| 4:38 PM | Low | 1.1 ft |
| 10:44 PM | High | 5.7 ft |
| Time | Type | Height |
|---|---|---|
| 4:24 AM | Low | 1.0 ft |
| 11:09 AM | High | 6.5 ft |
| 5:18 PM | Low | 1.3 ft |
| 11:24 PM | High | 5.6 ft |
High/low predictions from NOAA station 8720030, refreshed on every build. Times shown local.
7-Day Beach Day Forecast
73°
Mostly Sunny
0%
83
75°
Sunny
0%
85
76°
Sunny
0%
85
74°
Mostly Sunny
4%
84
72°
Slight Chance Rain Showers
20%
71
65°
Mostly Sunny
13%
69
What to Bring Today
- recommended SPF 30 sunscreen clear day + warm temps
Always remember water bottle, trash bag (leave no trace).
Beach Info
Parking
Parking available at the NPS Visitor Center / ferry dock in St. Marys, GA. No parking on the island itself — ferry-only access.
Dogs
No pets permitted on the ferry. Only ADA service animals may board. Emotional support animals and pets are not allowed.
Entry Fee
$15 park entrance fee; ferry fares $44 adult / $42 senior 62+ / $34 youth 6–15 / free under 5
Address
101 Wheeler Street, St. Marys, GA 31558
Amenities
Frequently Asked
Is it safe to swim at Cumberland Island National Seashore today?
Cumberland Island National Seashore 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 Cumberland Island National Seashore dog-friendly?
No pets permitted on the ferry. Only ADA service animals may board. Emotional support animals and pets are not allowed.
Is there an entry fee at Cumberland Island National Seashore?
$15 park entrance fee; ferry fares $44 adult / $42 senior 62+ / $34 youth 6–15 / free under 5
Are there lifeguards at Cumberland Island National Seashore?
No lifeguards are stationed at Cumberland Island National Seashore. Swim at your own risk and keep close watch on children.
What amenities are at Cumberland Island National Seashore?
Amenities at Cumberland Island National Seashore include restrooms, campground (Sea Camp, Stafford, backcountry sites), historic ruins, wilderness hiking, wildlife viewing (wild horses, sea turtles).
When is the water warmest at Cumberland Island National Seashore?
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 Cumberland Island National Seashore located?
Cumberland Island National Seashore is in Camden County, GA, at 101 Wheeler Street, St. Marys, GA 31558.
Nearby Beaches
Updated · Data from NOAA, NWS