Dauphin Island Beach Water Temperature
Sea-surface temperature at Dauphin Island Beach, Alabama · times in CDT
Updated 3:00 AM CDT
How it compares today
Water temperature through the year
Monthly normals computed from 2023–2025 daily sea-surface temperature history.
Nearby water right now
7-day outlook
| Day | Air high / low | Max UV | Rain |
|---|---|---|---|
| Tue, Oct 13 | 75° / 73° | 7 | 0% |
| Wed, Oct 14 | 75° / 69° | 6 | 0% |
| Thu, Oct 15 | 82° / 72° | 6 | 1% |
| Fri, Oct 16 | 84° / 70° | 6 | 2% |
| Sat, Oct 17 | 76° / 61° | 6 | 2% |
| Sun, Oct 18 | 77° / 64° | 6 | 3% |
| Mon, Oct 19 | 79° / 68° | 6 | 14% |
Sea-surface temperature and wave data from the Open-Meteo marine model; weather from Open-Meteo.
Is Dauphin Island Beach warm enough to swim?
At 78°F, the water at Dauphin Island Beach is comfortable. Most swimmers are comfortable without a wetsuit above 72°F; below 62°F, cold-water shock becomes a real risk for unprotected swimmers.
That is 1° above the October average of 77°F here.
The water averages above 70°F in April, May, June, July, August, September, October and November — 8 months of the year — peaking around 89°F in August and dropping to about 57°F in January.
Frequently asked questions
How warm is the water at Dauphin Island Beach right now?
The sea-surface temperature is about 78°F. That is 1° above the October average of 77°F here.
When is the water warm enough to swim at Dauphin Island Beach?
The water averages above 70°F in April, May, June, July, August, September, October and November — 8 months of the year — peaking around 89°F in August and dropping to about 57°F in January.
What is the warmest the water gets at Dauphin Island Beach?
Around 89°F in August, based on 2023–2025 records. The coolest month is January at roughly 57°F.