Updated

Saint Marys Lake
Lake
Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 85°F, within the comfortable 70–86°F range.
- Water temperature is 85°F, within the comfortable 70–86°F range.
Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 85°F, within the comfortable 70–86°F range.
- Water temperature is 85°F, within the comfortable 70–86°F range. — NOAA buoy SLIM2, as of Aug 21, 7:00 PM UTC
No official beach-advisory feed for Maryland yet — follow posted signs and local guidance.
Live data from NOAA buoy SLIM2 (6.8 mi away), as of Aug 21, 7:00 PM UTC.
Weather at Saint Marys Lake









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Frequently asked questions
- Where is Saint Marys Lake?
- Saint Marys Lake is a lake in Maryland.
- What is the water temperature at Saint Marys Lake?
- As of August 21, 2026, the water temperature at Saint Marys Lake in Maryland is 85°F (30°C), measured by NOAA buoy SLIM2, 6.8 miles away.
- Can you swim at Saint Marys Lake?
- Comfortable for a swim today: water temperature is 85°F, within the comfortable 70–86°F range. Checked August 21, 2026.
- How is Saint Marys Lake rated?
- Saint Marys Lake in Maryland has an average visitor rating of 4.9 out of 5, based on 8 reviews.
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- ›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
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