
Grindstone Lake
Grindstone Lake is a freshwater lake situated in Pine County, Minnesota, in the United States. With an area of 532 acres, it provides ample space for recreational activities and attracts visitors from the surrounding area. Anglers can find a variety of fish species in Grindstone Lake, including Northern Pike, Bluegill, Crappie, Rainbow Trout, and Rock Bass. These fish provide a diverse range of fishing experiences, from catching the elusive Northern Pike to reeling in game fish like Rainbow Trout and Rock Bass. The lake's location in Pine County provides a picturesque setting for outdoor activities, including fishing, boating, and swimming. The surrounding area also offers opportunities for hiking and other outdoor activities, with numerous trails and parks nearby. In addition to its recreational opportunities, Grindstone Lake is also a habitat for a range of wildlife, including bald eagles, loons, and other waterfowl. Observing these animals in their natural habitats can be a highlight for nature enthusiasts and bird watchers. Overall, Grindstone Lake's size, location, and diverse fish population make it a popular destination for anglers and outdoor enthusiasts in the Pine County, Minnesota area. Its scenic beauty and abundance of wildlife also make it a popular choice for nature lovers and photographers seeking to capture the beauty of the Northwoods.
Read more
Grindstone Lake
Grindstone Lake is a freshwater lake situated in Pine County, Minnesota, in the United States. With an area of 532 acres, it provides ample space for recreational activities and attracts visitors from the surrounding area. Anglers can find a variety of fish species in Grindstone Lake, including Northern Pike, Bluegill, Crappie, Rainbow Trout, and Rock Bass. These fish provide a diverse range of fishing experiences, from catching the elusive Northern Pike to reeling in game fish like Rainbow Trout and Rock Bass. The lake's location in Pine County provides a picturesque setting for outdoor activities, including fishing, boating, and swimming. The surrounding area also offers opportunities for hiking and other outdoor activities, with numerous trails and parks nearby. In addition to its recreational opportunities, Grindstone Lake is also a habitat for a range of wildlife, including bald eagles, loons, and other waterfowl. Observing these animals in their natural habitats can be a highlight for nature enthusiasts and bird watchers. Overall, Grindstone Lake's size, location, and diverse fish population make it a popular destination for anglers and outdoor enthusiasts in the Pine County, Minnesota area. Its scenic beauty and abundance of wildlife also make it a popular choice for nature lovers and photographers seeking to capture the beauty of the Northwoods.
Read more detailsCurrent Conditions
Water Temperature
Current water temperature for Grindstone Lake is 47°F.
Current Snapshot
Forecast: Tuesday, Apr 29
Drizzle
Hourly Insights
Temperature
Precipitation
Wind
Sun, Moon & UV
Solunar Fishing Forecast
Todays action is rated a 4 (scale is 0 thru 5, 5 is the best)
7:33 PM - 10:03 PM
6:36 AM - 9:06 AM
11:15 AM - 12:45 PM
5:00 AM - 5:00 AM
Outlook for Tuesday at Grindstone Lake
Expect temperatures ranging from 35°F to 53°F. There's a 80% chance of rain, potentially bringing around 0.10" rain. Winds will be averaging 9 mph, with potential gusts reaching up to 34 mph. The maximum UV index will be 6 (High), so plan sun protection accordingly. For anglers, today's fishing action is rated 4/5 (Todays action is rated a 4 (scale is 0 thru 5, 5 is the best)). Look for the best bite times during the major periods around 7:33 PM and 6:36 AM, or try the minor windows near 11:15 AM and 5:00 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Grindstone Lake.
Lake Map Views

Try Premium Features
Find the fishing sweet spots! See detailed temperature readings throughout your lake.
No credit card required for preview
Lake Information
Common Fish Species
Nearby Lakes
Water Temperature History
Trends for Grindstone Lake
Current Temp
Latest recorded surface temperature.
Lowest in Period
33°F
On Dec 15
Coldest point in the Last 12 Months.
Average in Period
52°F
Typical temp during the Last 12 Months.
Temperature Trend: Last 12 Months
Surface temperature over the selected period.
Key Observations (Last 12 Months)
- Warmest avg: July (75°F).
- Coolest avg: December (33°F).
- Rapid warming often occurs: May → June (+11°F).
- Sharpest cooling trend: September → October (-13°F).
Weather Forecast
Wind speed and pressure trends
Hourly Wind Forecast
Wind Direction
295°
Pressure
999 mb
Cloud Cover
98%
Visibility
8 miles
Daily Pressure Forecast


Frequently Asked Questions About Grindstone Lake
Get accurate, up-to-date information about conditions at Grindstone Lake.