Anna Maria Island Beach Water Temperature
Sea-surface temperature at Anna Maria Island Beach, Florida · times in EDT
Updated 4:00 AM EDT
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 | 82° / 77° | 7 | 0% |
| Wed, Oct 14 | 83° / 77° | 7 | 2% |
| Thu, Oct 15 | 84° / 76° | 7 | 11% |
| Fri, Oct 16 | 83° / 78° | 6 | 24% |
| Sat, Oct 17 | 82° / 76° | 3 | 19% |
| Sun, Oct 18 | 81° / 76° | 6 | 24% |
| Mon, Oct 19 | 83° / 77° | 6 | 23% |
Sea-surface temperature and wave data from the Open-Meteo marine model; weather from Open-Meteo.
Is Anna Maria Island Beach warm enough to swim?
At 83°F, the water at Anna Maria Island Beach is warm — great for swimming. 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 3° above the October average of 80°F here.
The water averages above 70°F in March, April, May, June, July, August, September, October and November — 9 months of the year — peaking around 89°F in July and dropping to about 63°F in January.
Frequently asked questions
How warm is the water at Anna Maria Island Beach right now?
The sea-surface temperature is about 83°F. That is 3° above the October average of 80°F here.
When is the water warm enough to swim at Anna Maria Island Beach?
The water averages above 70°F in March, April, May, June, July, August, September, October and November — 9 months of the year — peaking around 89°F in July and dropping to about 63°F in January.
What is the warmest the water gets at Anna Maria Island Beach?
Around 89°F in July, based on 2023–2025 records. The coolest month is January at roughly 63°F.