Atlantic City Beach Water Temperature
Sea-surface temperature at Atlantic City Beach, New Jersey · 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 | 68° / 56° | 5 | 4% |
| Wed, Oct 14 | 81° / 64° | 5 | 39% |
| Thu, Oct 15 | 69° / 58° | 5 | 39% |
| Fri, Oct 16 | 77° / 54° | 5 | 56% |
| Sat, Oct 17 | 54° / 42° | 5 | 15% |
| Sun, Oct 18 | 56° / 37° | 4 | 2% |
| Mon, Oct 19 | 61° / 48° | 4 | 2% |
Sea-surface temperature and wave data from the Open-Meteo marine model; weather from Open-Meteo.
Is Atlantic City Beach warm enough to swim?
At 65°F, the water at Atlantic City Beach is cool but swimmable. 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° below the October average of 66°F here.
The water averages above 70°F in July, August and September — 3 months of the year — peaking around 76°F in July and dropping to about 41°F in January.
Frequently asked questions
How warm is the water at Atlantic City Beach right now?
The sea-surface temperature is about 65°F. That is 1° below the October average of 66°F here.
When is the water warm enough to swim at Atlantic City Beach?
The water averages above 70°F in July, August and September — 3 months of the year — peaking around 76°F in July and dropping to about 41°F in January.
What is the warmest the water gets at Atlantic City Beach?
Around 76°F in July, based on 2023–2025 records. The coolest month is January at roughly 41°F.