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.

Ideal for a beach walk.

NWS alert active · 79°F air

Full NWS forecast for This Afternoon

Sunny. High near 79, with temperatures falling to around 75 in the afternoon. Northeast wind around 17 mph, with gusts as high as 25 mph.

Tonight

Mostly clear, with a low around 70. Northeast wind 9 to 16 mph, with gusts as high as 24 mph.

Weather

  • 79°F air — ideal beach weather
  • Sunny skies — clear conditions

Safety

  • UV 10 (extreme) — spf 50+ mandatory, limit mid-day exposure
  • NWS alert active — rip current statement issued june 3 at 4:53pm edt until june 5 at 5:00pm edt by nws jacksonville fl
83 /100
great
81 Sunbathe
87 Walk
80 Photo

Best for walking today

Water level 1.8 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 8720030 · Observed 7.82 ft · Predicted 5.99 ft

Rip Currents Rip Current Statement

Rip Current Statement issued June 3 at 4:53PM EDT until June 5 at 5:00PM EDT by NWS Jacksonville FL

NWS · In effect through Jun 5, 9:00 PM

Full NWS statement

* WHAT...For the High Surf Advisory, large breaking waves of 6 to 9 feet. For the High Rip Current Risk, dangerous rip currents. * WHERE...Southeast Georgia and Northeast Florida Beaches. * WHEN...For the High Surf Advisory, until 5 AM EDT Thursday. For the High Rip Current Risk, through Friday afternoon. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

High Surf High Surf Advisory

High Surf Advisory issued June 3 at 4:53PM EDT until June 4 at 5:00AM EDT by NWS Jacksonville FL

NWS · In effect through Jun 4, 9:00 AM

Full NWS statement

* WHAT...For the High Surf Advisory, large breaking waves of 6 to 9 feet. For the High Rip Current Risk, dangerous rip currents. * WHERE...Southeast Georgia and Northeast Florida Beaches. * WHEN...For the High Surf Advisory, until 5 AM EDT Thursday. For the High Rip Current Risk, through Friday afternoon. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

Air Temp
79°F
Clear
Wind
17 mph
NE
Rain
0%
This Afternoon
UV Peak
10 Very High
High 11 AM–04 PM · burn in ~20m
Burn-free before 09 AM & after 06 PM
Tomorrow
83°F
Sunny
Water Temp
Next High Tide
11:53 PM
6.0 ft · in 2.3h
Barometer
30.17 inHg
1022 hPa

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

NWS SRF · JAX · Issued Jun 3, 9:00 PM

Sunrise
6:23 AM
Sunset
8:25 PM
Moon · 87%
Waning Gibbous
Neap tides — smaller range
7-day chart →
Time Type Height
5:24 AM Low 0.5 ft
11:33 AM High 5.0 ft
5:07 PM Low 0.5 ft
11:53 PM High 6.0 ft
Today Jun 3
79°

Sunny

0%
84
Thu Jun 4
83°

Sunny

0%
84
Fri Jun 5
84°

Mostly Sunny

2%
84
Sat Jun 6
85°

Mostly Sunny

3%
84
Sun Jun 7
86°

Partly Sunny

11%
84
Mon Jun 8
86°

Chance Showers And Thunderstorms

31%
52
Tue Jun 9
85°

Chance Showers And Thunderstorms

54%
38
  • critical SPF 50 sunscreen UV index 10 — very high

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

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

restroomscampground (Sea Camp, Stafford, backcountry sites)historic ruinswilderness hikingwildlife viewing (wild horses, sea turtles)
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.

Updated · Data from NOAA, NWS

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