South Beach Conditions Today
Live water temperature, tides, waves, and UV for South Beach, Massachusetts
Updated 7:03 AM EDT
Current conditions
Best time to go today
Morning now
6 AM – 11 AM
94/100
- 73°F, wind 7 mph
- Moderate UV (4)
Midday
11 AM – 3 PM
92/100
- 77°F, wind 6 mph
- ⚠ UV reaches 6 — high
Afternoon
3 PM – 7 PM
92/100
- 77°F, wind 9 mph
- Golden hour before sunset
Best for
Rip current risk
NWS BOX Surf Zone Forecast, issued 2026-08-28. Always follow lifeguard instructions and posted flags.
Today's tide schedule
| Tide | Time EDT | Height |
|---|---|---|
| ⬆️ High | 12:29 AM | 2.3 ft |
| ⬇️ Low | 6:06 AM | 0.4 ft |
| ⬆️ High | 1:01 PM | 1.9 ft |
| ⬇️ Low | 6:19 PM | 0.4 ft |
Predictions from NOAA station Edgartown · 3.9 km away.
About South Beach
South 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 69°F. That is right on the August average of 69°F for this beach.
Tide predictions come from NOAA station Edgartown about 3.9 km away on the open coast.
Frequently asked questions
Is today a good beach day at South Beach?
We score today 94 out of 100 — great. The best window is morning (6 AM – 11 AM).
How warm is the water at South Beach?
About 69°F. That is right on the August average of 69°F for this beach.
Are there rip currents at South Beach today?
The National Weather Service rates the rip current risk at South Beach as low for today. Low risk is not no risk: rip currents still form near groins, jetties and piers.
Where do the tide times on this page come from?
Tide predictions come from NOAA station Edgartown about 3.9 km away on the open coast.