Updated

Hammonasset Beach State Park
State park · Madison, Connecticut
Cool water — ease in carefully
Use cautionCool water — ease in carefully: water temperature is 61°F, cool enough to cause cold-water shock on a sudden entry.
- Water temp 61°F (16°C)
Live data from NOAA buoy NWHC3 (18.2 mi away), as of Oct 20, 6:18 AM UTC.
Why, sources & official advisories
- Water temperature is 61°F, cool enough to cause cold-water shock on a sudden entry. — NOAA buoy NWHC3, as of Oct 20, 6:18 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 61°F at Hammonasset Beach State Park now. We check the water daily and email you once when it reaches your temperature.
Popular destination features a 2-mile-long beach with a boardwalk, boat launch & 550 campsites.
Things to Do Near Hammonasset Beach State Park
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Weather at Hammonasset Beach State Park
49°F, Clear · H 64° / L 48° · 5% chance of rain3-day forecast









Frequently asked questions
- Where is Hammonasset Beach State Park?
- Hammonasset Beach State Park is a state park in Madison, Connecticut.
- What is the water temperature at Hammonasset Beach State Park?
- As of October 20, 2026, the water temperature at Hammonasset Beach State Park in Madison, Connecticut is 61°F (16°C), measured by NOAA buoy NWHC3, 18.2 miles away.
- Can you swim at Hammonasset Beach State Park?
- Cool water — ease in carefully: water temperature is 61°F, cool enough to cause cold-water shock on a sudden entry. Checked October 20, 2026.
- How is Hammonasset Beach State Park rated?
- Hammonasset Beach State Park in Madison, Connecticut has an average visitor rating of 4.5 out of 5, based on 2455 reviews.
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Location & Contact
💡 Best times & visiting tips
- ›Weekday mornings (8–10 AM) are typically less crowded
- ›Check the forecast 2–3 days ahead for best planning
- ›Avoid holiday weekends for a quieter experience
Features & amenities
Highlights
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Family & Children
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