Can you swim at Surfside Beach Nantucket in July? — 19.0°C water
Yes, but expect a fresh dip
Average sea · July
19.0°C
Live water now
…
Recommended wetsuit
Shorty 2mm
mild
It depends. Surfside Beach Nantucket sits around 19.0°C in July; confident swimmers will be fine, casual bathers may prefer short sessions.
Monthly averages set expectations, but the specific beach today depends on wind, swell and recent weather. Check the live value at the top of this page or open the Surfside Beach Nantucket live page for full conditions.
Frequently asked questions
What is the average sea temperature at Surfside Beach Nantucket in July?
Surfside Beach Nantucket averages 19.0°C in July, based on long-run climatology for the Atlantic Ocean.
Is the sea warm enough to swim at Surfside Beach Nantucket in July?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Surfside Beach Nantucket in July?
A 2 mm shorty is comfortable for sessions over 30 minutes.
