87°
Chance Showers And Thunderstorms
37%
27
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
Skip the beach today.
Thunderstorms · NWS alert active · 87°F air
Full NWS forecast for This Afternoon
A chance of showers and thunderstorms. Partly sunny. High near 87, with temperatures falling to around 85 in the afternoon. East wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy. Low around 78, with temperatures rising to around 79 overnight. Southeast wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Weather
- 87°F air — ideal beach weather
- 37% rain — pop-up showers possible
Safety
- Thunderstorms — stay off the water when storms approach
- NWS alert active — rip current statement issued september 9 at 1:44am edt until september 9 at 8:00pm edt by nws jacksonville fl
27 /100
skip
44 Sunbathe
18 Walk
27 Photo
Best for sunbathing today
Water level 0.5 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.
Rip Currents Rip Current Statement
Rip Current Statement issued September 9 at 1:44AM EDT until September 9 at 8:00PM EDT by NWS Jacksonville FL
Full NWS statement
* WHAT...Dangerous rip currents. * WHERE...Southeast Georgia Beaches. * WHEN...Through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.
Atmosphere
Air Temp
87°F
Chance Showers And Thunderstorms
Wind
16 mph
E
Rain
37%
This Afternoon
UV Peak
9 Very High
High 12 PM–03 PM · burn in ~22m
Burn-free before 09 AM & after 06 PM
Tomorrow
89°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Water
Water Temp
—
Next High Tide
8:28 PM
7.4 ft · in 1.2h
Barometer
30.18 inHg
1022 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.
- FLZ138 Flagler — Palm Coast n/a
Sun & Moon
Sunrise
7:06 AM
Sunset
7:39 PM
Moon · 5%
Waning Crescent
Spring tides — bigger range
Tides
| Time | Type | Height |
|---|---|---|
| 1:37 AM | Low | 0.5 ft |
| 8:00 AM | High | 6.6 ft |
| 1:52 PM | Low | 0.1 ft |
| 8:28 PM | High | 7.4 ft |
| Time | Type | Height |
|---|---|---|
| 2:27 AM | Low | 0.2 ft |
| 8:52 AM | High | 6.9 ft |
| 2:46 PM | Low | 0.0 ft |
| 9:15 PM | High | 7.4 ft |
| Time | Type | Height |
|---|---|---|
| 3:13 AM | Low | 0.1 ft |
| 9:41 AM | High | 7.1 ft |
| 3:36 PM | Low | 0.1 ft |
| 10:00 PM | High | 7.2 ft |
| Time | Type | Height |
|---|---|---|
| 3:55 AM | Low | 0.1 ft |
| 10:28 AM | High | 7.2 ft |
| 4:23 PM | Low | 0.2 ft |
| 10:44 PM | High | 7.0 ft |
| Time | Type | Height |
|---|---|---|
| 4:36 AM | Low | 0.2 ft |
| 11:13 AM | High | 7.2 ft |
| 5:09 PM | Low | 0.5 ft |
| 11:26 PM | High | 6.7 ft |
| Time | Type | Height |
|---|---|---|
| 5:16 AM | Low | 0.4 ft |
| 11:56 AM | High | 7.0 ft |
| 5:54 PM | Low | 0.9 ft |
| Time | Type | Height |
|---|---|---|
| 12:07 AM | High | 6.3 ft |
| 5:56 AM | Low | 0.7 ft |
| 12:38 PM | High | 6.8 ft |
| 6:41 PM | Low | 1.2 ft |
High/low predictions from NOAA station 8720030, refreshed on every build. Times shown local.
7-Day Beach Day Forecast
89°
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
22%
38
90°
Mostly Sunny then Showers And Thunderstorms Likely
58%
18
90°
Showers And Thunderstorms Likely
63%
16
87°
Mostly Sunny then Chance Showers And Thunderstorms
38%
32
87°
Chance Showers And Thunderstorms
36%
33
86°
Chance Showers And Thunderstorms
40%
31
What to Bring Today
- critical SPF 50 sunscreen UV index 9 — very high
- recommended Sturdy umbrella + sand anchor 16 mph wind
- optional Light cover-up, watch for pop-ups 37% rain chance
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