Updated
Etra Lake
Lake · East Windsor, New Jersey
Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 79°F, within the comfortable 70–86°F range.
- Water temperature is 79°F, within the comfortable 70–86°F range.
- Heavy rain today can raise bacteria levels near outfalls and river mouths.
Things to Do Near Etra Lake
Top-rated tours and experiences around East Windsor, powered by Viator — free cancellation on most.
Private Efoil Adventure on Lake Norman, Lake Wylie or MIL with CharlotteEfoil
Day trip to Eastern Townships
Private Windsor Castle, Stonehenge, The City of Bath Day Tour
Private Windsor Castle and Stonehenge Day Tour
We earn a commission on bookings — at no extra cost to you. Helps keep this site free.
Stay near Etra Lake
Find hotels near Etra Lake
Compare prices on Expedia — free cancellation on most rooms.
We earn a commission on bookings — at no extra cost to you. Helps keep this site free.
Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 79°F, within the comfortable 70–86°F range.
- Water temperature is 79°F, within the comfortable 70–86°F range. — NOAA buoy NBLP1, as of Aug 22, 2:30 AM UTC
- Heavy rain today can raise bacteria levels near outfalls and river mouths.
No official beach-advisory feed for New Jersey yet — follow posted signs and local guidance.
Live data from NOAA buoy NBLP1 (15.5 mi away), as of Aug 22, 2:30 AM UTC.
Weather at Etra Lake
Sponsored gear checklist
Pack smarter for Etra 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.
Frequently asked questions
- Where is Etra Lake?
- Etra Lake is a lake in East Windsor, New Jersey.
- What is the water temperature at Etra Lake?
- As of August 22, 2026, the water temperature at Etra Lake in East Windsor, New Jersey is 79°F (26°C), measured by NOAA buoy NBLP1, 15.5 miles away.
- Can you swim at Etra Lake?
- Comfortable for a swim today: water temperature is 79°F, within the comfortable 70–86°F range. Checked August 22, 2026.
- How is Etra Lake rated?
- Etra Lake in East Windsor, New Jersey has an average visitor rating of 4.6 out of 5, based on 16 reviews.
Advertisement
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!
No reviews yet — share what you know
Been here? A quick note helps the next visitor plan their day. Handy things to mention:
Best Times to Visit
- ›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
</> Embed this location on your site
Paste this snippet into your website to show a live badge for Etra Lake — free to use with the included credit link.