Grindstone Lake

Grindstone Lake

Sandstone, Pine County, MN
1mi²
332.00ft
Directions
Lake Information

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.

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Current Conditions

63°F°
Feels like 64°F°
Clear
Today's High
53°F°
Today's Low
35°F°

Water Temperature

47°F
Updated: (Apr 20)
Sign in to contribute temps.

Current water temperature for Grindstone Lake is 47°F.

Current Snapshot

Wind7 mph SSW (Gust 21 mph)
Pressure
29.39 inHg
Visibility11 mi
Humidity92%
Cloud Cover0%

Forecast: Tuesday, Apr 29

Day 1 of 9

Hourly Insights

7 AM
36°F°
10 AM
38°F°
1 PM
45°F°
4 PM
51°F°

Temperature

High
53°F°
Low
35°F°

Precipitation

Chance80%
Amount0.10"
Typerain

Wind

9mph
Avg Speed
Gusts up to
34mph
CalmModerateStrong
Max Speed17 mph

Sun, Moon & UV

Sunrise11:01 AM
Sunset1:18 AM
Moon PhasewaxingCrescent
Max UV Index6 (High)

Solunar Fishing Forecast

Action Rating
4/5

Todays action is rated a 4 (scale is 0 thru 5, 5 is the best)

Major Times (Best)

7:33 PM - 10:03 PM

6:36 AM - 9:06 AM

Minor Times (Good)

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.

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April 28th 2025

Lake Information

Elevation
332 ft
Area
1 mi²
Coordinates
46.134, -93.008

Weather Forecast

Tuesday

53°F
35°F

Wednesday

63°F
34°F

Thursday

60°F
43°F

Friday

55°F
40°F

Saturday

66°F
36°F

Sunday

72°F
43°F

Monday

74°F
50°F

Tuesday

74°F
53°F

Wednesday

71°F
51°F
Tuesday - 4/29/2025
53°F
35°F
12am
53°F
47°F
29.50 hPa
9 mph
WNW
G: 17 mph
2am
46°F
47°F
29.62 hPa
17 mph
NW
G: 30 mph
4am
40°F
47°F
29.76 hPa
16 mph
NNW
G: 34 mph
6am
37°F
47°F
29.87 hPa
15 mph
NW
G: 29 mph
8am
35°F
47°F
29.98 hPa
12 mph
NW
G: 23 mph
10am
38°F
47°F
30.03 hPa
10 mph
NW
G: 17 mph
12pm
43°F
47°F
30.06 hPa
10 mph
NNW
G: 17 mph
2pm
48°F
47°F
30.08 hPa
8 mph
NW
G: 13 mph
4pm
51°F
47°F
30.08 hPa
8 mph
NW
G: 13 mph
6pm
51°F
47°F
30.07 hPa
6 mph
WNW
G: 11 mph
8pm
47°F
47°F
30.08 hPa
3 mph
NNW
G: 5 mph
10pm
42°F
47°F
30.11 hPa
2 mph
ESE
G: 4 mph

Water Temperature History

Trends for Grindstone Lake

Current Temp

Sign in to view

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

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm09182736

Wind Direction

295°

Pressure

999 mb

Cloud Cover

98%

Visibility

8 miles

Daily Pressure Forecast

TueWedThuFriSatSunMonTueWed0.008.8617.7226.5835.44
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Frequently Asked Questions About Grindstone Lake

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