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Main Street Dock and Beach - Photo 1
Photo: West Mystic, Groton, CT, USA - panoramio (1) by Paulo JC Nogueira (CC BY-SA 3.0) License

Main Street Dock and Beach

Park · Groton, Connecticut

Cool water — ease in carefully

Use caution

Cool water — ease in carefully: water temperature is 70°F, cool enough to cause cold-water shock on a sudden entry.

  • Water temperature is 70°F, cool enough to cause cold-water shock on a sudden entry.
  • Heavy rain today can raise bacteria levels near outfalls and river mouths.
Use cautionRainy todayWheelchair accessible entranceWheelchair accessible parking lot

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Cool water — ease in carefully

Use caution

Cool water — ease in carefully: water temperature is 70°F, cool enough to cause cold-water shock on a sudden entry.

  • Water temperature is 70°F, cool enough to cause cold-water shock on a sudden entry. NOAA buoy NLHC3, as of Aug 21, 6:30 PM UTC
  • Heavy rain today can raise bacteria levels near outfalls and river mouths.
Water temp
70°F
21°C

No official beach-advisory feed for Connecticut yet — follow posted signs and local guidance.

Live data from NOAA buoy NLHC3 (6.6 mi away), as of Aug 21, 6:30 PM UTC.

Weather at Main Street Dock and Beach

H: 77° L: 65°
Patchy rain nearby
Patchy rain nearby
69°
|
Feels like 64°
Precipitation
89%
Humidity
88%
Wind
19 mph
UV Index
5.4
Water Conditions:
🏊Cool but swimmable🏄Good for surfing/sailing🧴High UV - use sunscreen🌧️Rain expected
12 AM
Moderate rain
66°
3 AM
Heavy rain
66°
6 AM
Heavy rain
65°
9 AM
Heavy rain
65°
12 PM
Heavy rain
71°
3 PM
Patchy rain nearby
69°
6 PM
Patchy rain nearby
69°
9 PM
Patchy rain nearby
68°

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Frequently asked questions

Where is Main Street Dock and Beach?
Main Street Dock and Beach is a park in Groton, Connecticut.
What is the water temperature at Main Street Dock and Beach?
As of August 21, 2026, the water temperature at Main Street Dock and Beach in Groton, Connecticut is 70°F (21°C), measured by NOAA buoy NLHC3, 6.6 miles away.
Can you swim at Main Street Dock and Beach?
Cool water — ease in carefully: water temperature is 70°F, cool enough to cause cold-water shock on a sudden entry. Checked August 21, 2026.
How is Main Street Dock and Beach rated?
Main Street Dock and Beach in Groton, Connecticut has an average visitor rating of 4.6 out of 5, based on 30 reviews.

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Best Times to Visit

🌧️
Right Now
Not ideal for outdoor activities today
General 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
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

Main St, Groton, CT 06340

Groton, Connecticut 06340

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Accessibility

Wheelchair accessible entranceWheelchair accessible parking lot

Family & Children

👶 Good for kids