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Satellite view of Threemile Bay

Threemile Bay

Bay · Constantia, New York

Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 74°F, within the comfortable 70–86°F range.

  • Water temperature is 74°F, within the comfortable 70–86°F range.
Good to swimGreat conditions today

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Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 74°F, within the comfortable 70–86°F range.

  • Water temperature is 74°F, within the comfortable 70–86°F range. NOAA buoy 45215, as of Aug 22, 9:56 PM UTC
Water temp
74°F
24°C

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

Live data from NOAA buoy 45215 (30.7 mi away), as of Aug 22, 9:56 PM UTC.

Weather at Threemile Bay

H: 87° L: 60°
Sunny
Sunny
85°
|
Feels like 84°
Precipitation
4%
Humidity
41%
Wind
7 mph
UV Index
0.6
Water Conditions:
🏊Perfect for swimming
12 AM
Clear
60°
3 AM
Clear
62°
6 AM
Partly Cloudy
60°
9 AM
Sunny
66°
12 PM
Sunny
80°
3 PM
Sunny
85°
6 PM
Sunny
85°
9 PM
Overcast
74°

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Frequently asked questions

Where is Threemile Bay?
Threemile Bay is a bay in Constantia, New York.
What is the water temperature at Threemile Bay?
As of August 22, 2026, the water temperature at Threemile Bay in Constantia, New York is 74°F (24°C), measured by NOAA buoy 45215, 30.7 miles away.
Can you swim at Threemile Bay?
Comfortable for a swim today: water temperature is 74°F, within the comfortable 70–86°F range. Checked August 22, 2026.
How is Threemile Bay rated?
Threemile Bay in Constantia, New York has an average visitor rating of 4.8 out of 5, based on 11 reviews.

Visitor Reviews

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Best Times to Visit

Right Now
Perfect conditions right now!
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

Constantia, NY 13030

Constantia, New York 13030

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