Updated
Knollwood Beach
Beach · Old Saybrook, Connecticut
Cool water — ease in carefully
Use cautionCool water — ease in carefully: water temperature is 63°F, cool enough to cause cold-water shock on a sudden entry.
- Water temp 63°F (17°C)
Live data from NOAA buoy NLHC3 (16.2 mi away), as of Oct 20, 7:54 AM UTC.
Why, sources & official advisories
- Water temperature is 63°F, cool enough to cause cold-water shock on a sudden entry. — NOAA buoy NLHC3, as of Oct 20, 7:54 AM UTC
No official beach-advisory feed for Connecticut yet — follow posted signs and local guidance.
Get an email when it’s warm enough
It’s 63°F at Knollwood Beach now. We check the water daily and email you once when it reaches your temperature.
Things to Do Near Knollwood Beach
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Kayak with Sea Lions in a Calm, Beautiful, Redondo Beach Harbor
Beach Hill to Historic Downtown Santa Cruz Loop
Morris Island Private Excursion
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Weather at Knollwood Beach
50°F, Clear · H 64° / L 50° · 5% chance of rain3-day forecast
Frequently asked questions
- Where is Knollwood Beach?
- Knollwood Beach is a beach in Old Saybrook, Connecticut.
- What is the water temperature at Knollwood Beach?
- As of October 20, 2026, the water temperature at Knollwood Beach in Old Saybrook, Connecticut is 63°F (17°C), measured by NOAA buoy NLHC3, 16.2 miles away.
- Can you swim at Knollwood Beach?
- Cool water — ease in carefully: water temperature is 63°F, cool enough to cause cold-water shock on a sudden entry. Checked October 20, 2026.
- How is Knollwood Beach rated?
- Knollwood Beach in Old Saybrook, Connecticut has an average visitor rating of 4.4 out of 5, based on 47 reviews.
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Location & Contact
435-439 Maple Ave, Old Saybrook, CT 06475
Old Saybrook, Connecticut 06475
🏖️ Best times & visiting tips
- ›Arrive early for best parking and beach spot selection
- ›Check for lifeguard schedules and swim only in designated areas
- ›Bring reef-safe sunscreen to protect marine life
- ›Watch for beach flags indicating water conditions
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