Grindstone Lake

Grindstone Lake

Bass Lake, Sawyer County, WI
5mi²
402.00ft
Directions
Lake Information

Grindstone Lake is a sizable body of water located in Sawyer County, spanning an area of 3,176 acres. The lake boasts a maximum depth of 60 feet, offering ample opportunity for aquatic exploration and recreation. Access to the lake is available to visitors through public boat landings. One of the primary attractions of Grindstone Lake is its diverse population of fish species. The lake is home to Musky, Panfish, Largemouth Bass, Smallmouth Bass, Northern Pike, and Walleye, offering a variety of fishing opportunities for anglers of all skill levels. The lake's expansive size and depth make it an ideal destination for activities such as boating, swimming, and water skiing. Visitors can enjoy the scenic beauty of the lake, surrounded by lush greenery and pristine waters, while engaging in a wide range of recreational pursuits. In conclusion, Grindstone Lake is a popular destination in Sawyer County, offering visitors a unique combination of natural beauty and recreational opportunities. Whether fishing, boating, or simply taking in the serene surroundings, there is no shortage of activities to enjoy on this expansive body of water.

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Current Conditions

64°F°
Feels like 58°F°
Rain
Today's High
58°F°
Today's Low
37°F°

Water Temperature

44°F
Updated: (Apr 26)
Sign in to contribute temps.

Current water temperature for Grindstone Lake is 44°F.

Current Snapshot

Wind13 mph S (Gust 38 mph)
Pressure
29.48 inHg
Visibility9 mi
Humidity86%
Cloud Cover100%

Forecast: Tuesday, Apr 29

Day 1 of 9

Hourly Insights

7 AM
37°F°
57%
10 AM
38°F°
1 PM
43°F°
4 PM
51°F°

Temperature

High
58°F°
Low
37°F°

Precipitation

Chance73%
Amount0.13"
Typerain

Wind

9mph
Avg Speed
Gusts up to
32mph
CalmModerateStrong
Max Speed14 mph

Sun, Moon & UV

Sunrise10:55 AM
Sunset1:11 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)

7:26 PM - 9:56 PM

6:43 AM - 9:13 AM

Minor Times (Good)

11:09 AM - 12:39 PM

5:00 AM - 5:00 AM

Outlook for Tuesday at Grindstone Lake

Expect temperatures ranging from 37°F to 58°F. There's a 73% chance of rain, potentially bringing around 0.13" rain. Winds will be averaging 9 mph, with potential gusts reaching up to 32 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 7:26 PM and 6:43 AM, or try the minor windows near 11:09 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
402 ft
Area
5 mi²
Coordinates
45.928, -91.392

Weather Forecast

Tuesday

58°F
37°F

Wednesday

62°F
34°F

Thursday

61°F
44°F

Friday

50°F
37°F

Saturday

62°F
36°F

Sunday

71°F
44°F

Monday

70°F
50°F

Tuesday

71°F
51°F

Wednesday

70°F
51°F
Tuesday - 4/29/2025
58°F
37°F
12am
58°F
44°F
29.47 hPa
11 mph
SSW
G: 30 mph
2am
51°F
44°F
29.50 hPa
12 mph
WSW
G: 28 mph
4am
47°F
44°F
29.58 hPa
11 mph
NW
G: 28 mph
6am
39°F
44°F
29.75 hPa
13 mph
NW
G: 28 mph
8am
37°F
44°F
29.89 hPa
14 mph
NNW
G: 27 mph
10am
38°F
44°F
29.99 hPa
12 mph
NNW
G: 23 mph
12pm
41°F
44°F
30.03 hPa
10 mph
NW
G: 17 mph
2pm
46°F
44°F
30.06 hPa
9 mph
NW
G: 15 mph
4pm
51°F
44°F
30.06 hPa
9 mph
NW
G: 16 mph
6pm
51°F
44°F
30.08 hPa
7 mph
NW
G: 12 mph
8pm
46°F
44°F
30.10 hPa
3 mph
N
G: 5 mph
10pm
41°F
44°F
30.13 hPa
3 mph
E
G: 5 mph

Water Temperature History

Trends for Grindstone Lake

Current Temp

Sign in to view

Latest recorded surface temperature.

Lowest in Period

32°F

On Mar 9

Coldest point in the Last 12 Months.

Average in Period

51°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 (71°F).
  • Coolest avg: December (35°F).
  • Rapid warming often occurs: March → April (+10°F).
  • Sharpest cooling trend: September → October (-13°F).

Weather Forecast

Wind speed and pressure trends

Hourly Wind Forecast

Wind Direction

209°

Pressure

998 mb

Cloud Cover

25%

Visibility

12 miles

Daily Pressure Forecast

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Frequently Asked Questions About Grindstone Lake

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