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Is it too cold to swim in Tybee Island today?
The latest reading is 71°F (21.4°C), measured November 6, 2026 at 10:18 AM EST at Fort Pulaski. That is mild water.
Between 70°F and 77°F: above the 70°F level where the National Center for Cold Water Safety recommends thermal protection, though below 77°F cold can start to affect breathing control. Temperature is only one factor: check rip current and surf alerts, and swim near lifeguards.
How cold is too cold to swim?Water temperature this week
Hourly water temperature at Fort Pulaski
Water temperature through the year
Average water temperature by month, satellite 2016–2025. Warmest in July.
Average ocean temperature by month
| Month | Average | Coldest year | Warmest year |
|---|---|---|---|
| January | 55°F | 50°F | 57°F |
| February | 55°F | 53°F | 59°F |
| March | 61°F | 59°F | 63°F |
| April | 67°F | 64°F | 69°F |
| May | 75°F | 73°F | 77°F |
| June | 82°F | 79°F | 83°F |
| July | 85°F | 83°F | 86°F |
| August | 85°F | 83°F | 86°F |
| September | 81°F | 80°F | 84°F |
| October | 75°F | 71°F | 78°F |
| November | 66°F | 62°F | 69°F |
| December | 58°F | 56°F | 60°F |
Other water temperature readings nearby
| Source | Water | Distance | Updated |
|---|---|---|---|
| NASA JPL MUR satellite nearest water | 68°F | 0.2 mi | Nov 4 |
| Little Back River at Fw Dock, near Limehouse, SC bay gauge | 71°F | 20 mi | 32 min ago |
Water temperatures at nearby beaches
Frequently asked questions
Is it too cold to swim in Tybee Island today?
The latest reading is 71°F (21.4°C), measured November 6, 2026 at 10:18 AM EST at Fort Pulaski. That is mild water. Between 70°F and 77°F: above the 70°F level where the National Center for Cold Water Safety recommends thermal protection, though below 77°F cold can start to affect breathing control. Temperature is only one factor: check rip current and surf alerts, and swim near lifeguards. How cold is too cold?
When is the water warmest at Tybee Island?
Based on satellite data from 2016 to 2025, the water is warmest in July (average 85°F) and coldest in January (average 55°F).
Where does this water temperature come from?
From Fort Pulaski, a tide station operated by NOAA National Data Buoy Center, 3.9 mi away. See the methodology.
Sources: NOAA National Data Buoy Center; NASA JPL MUR satellite analysis; U.S. Geological Survey; forecast and alerts from the National Weather Service. Readings are provisional. All Georgia water temperatures · Methodology