Nantucket Beach Conditions Today
Live water temperature, tides, waves, and UV for Nantucket Beach, Massachusetts
Updated 4:00 AM EDT
Current conditions
Best time to go today
Morning
6 AM – 11 AM
60/100
- 56°F, wind 13 mph
- Low UV (1)
Midday
11 AM – 3 PM
60/100
- 60°F, wind 12 mph
- Low UV (3)
Afternoon
3 PM – 7 PM
60/100
- 61°F, wind 13 mph
- Low UV (2)
- Golden hour before sunset
Best for
Rip current risk
NWS BOX Surf Zone Forecast, issued 2026-10-12. Always follow lifeguard instructions and posted flags.
Today's tide schedule
| Tide | Time EDT | Height |
|---|---|---|
| ⬆️ High | 2:44 AM | 3.0 ft |
| ⬇️ Low | 8:01 AM | 0.7 ft |
| ⬆️ High | 2:36 PM | 3.7 ft |
| ⬇️ Low | 8:47 PM | 0.1 ft |
Predictions from NOAA station Nantucket · 8.3 km away.
About Nantucket Beach
Nantucket Beach sits on the Massachusetts coast, where the water runs from about 39°F in February to 69°F in August.
The water here never averages above 70°F — even in August, the warmest month, it sits around 69°F. Most people wear a wetsuit.
Today it is 62°F. That is 1° above the October average of 61°F here.
Tide predictions come from NOAA station Nantucket about 8.3 km away on the open coast.
Frequently asked questions
Is today a good beach day at Nantucket Beach?
We score today 60 out of 100 — good. The best window is morning (6 AM – 11 AM).
How warm is the water at Nantucket Beach?
About 62°F. That is 1° above the October average of 61°F here.
Are there rip currents at Nantucket Beach today?
The National Weather Service rates the rip current risk at Nantucket Beach as high for the rest of today. Life-threatening rip currents are likely in the surf zone — stay out of the water or swim only at guarded beaches.
Where do the tide times on this page come from?
Tide predictions come from NOAA station Nantucket about 8.3 km away on the open coast.