20% Off Site Wide For Presidents Day, with code: PRESIDENT. Save Now

Lew's Winter Sale: 20% Off Select Rods and Reels. Learn More

Free Daiwa X AFTCO Hooded Performance Shirt. Learn More

FREE St. Croix Pro Lite Suit By Frogg Toggs with Purchase of St. Croix Rod. Shop Now

Markdowns on popular products - See all bargain offers

Omnia Fishing
  • Search Site
Omnia Fishing
Featured Reports
Lakes
Layers
Waypoints
Key Layers
Real-Time Average Water TempComing
Soon
High Res Historical Water TempPRO
Water ClarityPRO
WindPRO
What is Omnia PRO?
Search by Lake
All Seasons
undefined Featured Reports in this area
  • For this map area we didn't find any Featured Fishing Reports.
    lakes in this area
      Std.
      Legend
      What is
      Omnia PRO?

      Grand Lake St Marys

      Published: Updated:

      Grand Lake St Marys Water Temperature

      Access the latest and most accurate water temperature data for Grand Lake St Marys. Currently the water temperature is 34º Fahrenheit. This page provides real-time updates and detailed insights into the water conditions of Grand Lake St Marys to help anglers succeed.

      Weather

      weather
      weather icon for weather0°F

      Wind 0 mph

      Precip 0%

      Cloud Cover 0%

      Pressure 0 inHg • 0

      Loading

      Solunar

      full moon

      100% full moon

      Sunrise 6:00 AM

      Sunset 10:00 AM

      Moonrise 6:00 AM

      Moonset 10:00 AM

      Loading
      Water Temp
      Grand Lake St Marys

      34° F

      Last Updated:
      Explore Omnia PRO

      Frequently Asked Questions About Grand Lake St Marys Water Temperature