Updated

Saint Marys Lake
Lake · Notre Dame, Indiana
Comfortable for a swim today
Good to swimComfortable 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.
Things to Do Near Saint Marys Lake
Top-rated tours and experiences around Notre Dame, powered by Viator — free cancellation on most.

Notre Dame Guided Tour with Scheduled Group Access Option

Private Notre Dame Outdoor Tour with Crypt Entry/Sainte Chapelle

Notre Dame Interior and Exterior Small Group Guided Tour

Notre Dame Outdoor Walking Tour and Entrance to Sainte Chapelle
We earn a commission on bookings — at no extra cost to you. Helps keep this site free.
Stay near Saint Marys Lake
Find hotels near Saint Marys 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 74°F, within the comfortable 70–86°F range.
- Water temperature is 74°F, within the comfortable 70–86°F range. — NOAA buoy 45026, as of Aug 21, 8:50 PM UTC
No official beach-advisory feed for Indiana yet — follow posted signs and local guidance.
Live data from NOAA buoy 45026 (27.2 mi away), as of Aug 21, 8:50 PM UTC.
Weather at Saint Marys Lake









Sponsored gear checklist
Pack smarter for Saint Marys 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 Saint Marys Lake?
- Saint Marys Lake is a lake in Notre Dame, Indiana.
- What is the water temperature at Saint Marys Lake?
- As of August 21, 2026, the water temperature at Saint Marys Lake in Notre Dame, Indiana is 74°F (23°C), measured by NOAA buoy 45026, 27.2 miles away.
- Can you swim at Saint Marys Lake?
- Comfortable for a swim today: water temperature is 74°F, within the comfortable 70–86°F range. Checked August 21, 2026.
- How is Saint Marys Lake rated?
- Saint Marys Lake in Notre Dame, Indiana has an average visitor rating of 4.9 out of 5, based on 7 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