Surfside Beach Nantucket
Popular Massachusetts beach near Nantucket.
Fresh water with calm seas and glassy wind — fresh conditions — a wetsuit is recommended.
Location
Surfside Beach Nantucket on the map, with nearby beaches and live sea temperatures.
7-day forecast
Water, air, waves, wind and UV outlook for the week ahead.
3/2mm fullsuit
At 17.4°C a 3/2mm fullsuit is the standard wetsuit for surfing and watersports.
Recommendation tuned for Surfside Beach Nantucket's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.
Can I swim at Surfside Beach Nantucket today?
The sea is currently 17.4°C — good swimming conditions. Most swimmers will find it pleasant.
- • Located in Massachusetts, United States (Atlantic Ocean).
- • Family friendly with calm, accessible water.
- • Live data refreshed hourly from Open-Meteo Marine.
Monthly sea temperature averages
Tap any month to see what to expect — based on regional climatology.
Year-round sea temperature
Best swim months: Aug
| Month | Sea | Comfort |
|---|---|---|
| Jan | 4°C | Cold |
| Feb | 3°C | Cold |
| Mar | 4°C | Cold |
| Apr | 6°C | Cold |
| May | 10°C | Cold |
| Jun | 15°C | Bracing |
| Jul | 19°C | Pleasant |
| Aug ⭐ | 20°C | Pleasant |
| Sep | 18°C | Pleasant |
| Oct | 14°C | Bracing |
| Nov | 10°C | Cold |
| Dec | 6°C | Cold |
Nearby beaches
The closest coastline, with live water temperatures.