Where is Cooper Lake?

Cooper Lake is a lake in New Jersey.

What is the water temperature at Cooper Lake?

As of August 22, 2026, the water temperature at Cooper Lake in New Jersey is 75°F (24°C), measured by NOAA buoy BATN6, 26.9 miles away.

Updated June 13, 2026

Cooper Lake

Lake

Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 75°F, within the comfortable 70–86°F range.

Water temperature is 75°F, within the comfortable 70–86°F range.

See full conditions ↓Can I swim today? →

Good to swimGood conditions today

Interactive map not available

Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 75°F, within the comfortable 70–86°F range.

Water temperature is 75°F, within the comfortable 70–86°F range. — NOAA buoy BATN6, as of Aug 22, 11:48 AM UTC

Water temp

75°F

24°C

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

Live data from NOAA buoy BATN6 (26.9 mi away), as of Aug 22, 11:48 AM UTC.

Live map near here →

Weather at Cooper Lake

H: 78° L: 65°

Overcast

68°

Feels like 71°

Precipitation

26%

Humidity

88%

Wind

4 mph

UV Index

0.4

Water Conditions:

🏊Cool but swimmable

12 AM

69°

3 AM

67°

6 AM

65°

9 AM

69°

12 PM

74°

3 PM

78°

6 PM

71°

9 PM

65°

Pack smarter for Cooper Lake

Useful gear categories for this kind of water spot. These links open Amazon search results so you can compare current options.

As an Amazon Associate we earn from qualifying purchases.

Inflatable PaddleboardA popular way to explore calm coves and shorelines.

Compare on Amazon →

Life JacketImportant around boats, paddling, and deeper swimming areas.

Compare on Amazon →

Floating CoolerKeeps drinks nearby for swim areas, docks, and boats.

Compare on Amazon →

Waterproof Phone PouchProtects phones around docks, boats, and splashy shorelines.

Compare on Amazon →

Frequently asked questions

Where is Cooper Lake?: Cooper Lake is a lake in New Jersey.
What is the water temperature at Cooper Lake?: As of August 22, 2026, the water temperature at Cooper Lake in New Jersey is 75°F (24°C), measured by NOAA buoy BATN6, 26.9 miles away.
Can you swim at Cooper Lake?: Comfortable for a swim today: water temperature is 75°F, within the comfortable 70–86°F range. Checked August 22, 2026.

Visitor Reviews

Be the first to share your experience here

Join our community to share your water adventures

Earn badges as you share your experiences!

💧 Droplet💦 Stream🌊 Wave💧 Current🌀 Tide🌊 Ocean

No reviews yet — share what you know

Been here? A quick note helps the next visitor plan their day. Handy things to mention:

Water temperatureCrowds & parkingBest time to goSafety & access

Best Times to Visit

👍

Right Now

Good conditions for visiting

🏞️ Lakes Tips:

›Check for boat launch facilities and fees
›Obtain required fishing licenses before arrival
›Be aware of lake-specific regulations and restrictions
›Monitor water quality reports before swimming

Best Seasons:

☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

New Jersey

</> Embed this location on your site

Paste this snippet into your website to show a live badge for Cooper Lake — free to use with the included credit link.

<iframe src="https://thewateraroundus.com/embed/location/69affae0-b4b4-4b6e-b5d2-33d0b7ee47a8" width="400" height="150" style="border:0" title="Cooper Lake — The Water Around Us" loading="lazy"></iframe>