Island Lake Reservoir

Island Lake Reservoir

Fredenberg, St. Louis County, MN
13mi²
424.00ft
Directions
Lake Information

Island Lake Reservoir, located near the city of Duluth in St. Louis County, Minnesota, is a captivating and expansive body of water that offers a wide range of recreational opportunities for visitors to enjoy. With an impressive size of 8000 acres and a shoreline stretching 116.07 miles, this reservoir provides abundant space for outdoor activities and exploration. Boasting a maximum depth of 94 feet, Island Lake Reservoir is home to a diverse and thriving ecosystem, making it a popular destination for anglers, boaters, and nature enthusiasts. One of the main attractions of Island Lake Reservoir is its rich variety of fish species. Anglers can expect to find an array of fish in its waters, including black bullhead, black crappie, bluegill, brook trout, bullheads, burbot, channel catfish, hybrid sunfish, largemouth bass, muskellunge, northern pike, pumpkinseed, rock bass, smallmouth bass, tullibee (cisco), walleye, yellow perch, shorthead redhorse, white sucker, blackchin shiner, emerald shiner, golden shiner, Johnny darter, logperch, spottail shiner, and trout-perch. This diverse fish population ensures that anglers of all preferences and skill levels can find enjoyment and success as they cast their lines. From the thrill of catching a trophy muskellunge or walleye to the excitement of reeling in a feisty smallmouth bass, Island Lake Reservoir offers a rewarding fishing experience. Beyond fishing, Island Lake Reservoir provides ample opportunities for boating and water-based activities. Boaters can explore the vast expanse of the reservoir, whether it's a leisurely cruise, water skiing, or engaging in other water sports. The calm and inviting waters of the reservoir create an ideal setting for recreational boating, allowing visitors to enjoy the picturesque surroundings and make the most of their time on the water. The natural beauty surrounding Island Lake Reservoir further enhances its allure. The expansive shoreline and surrounding forests offer opportunities for hiking, nature walks, and wildlife observation. Visitors can immerse themselves in the tranquility of the area, appreciating the diverse flora and fauna that thrive in this pristine environment. From vibrant wildflowers to a variety of bird species, the reservoir's ecosystem provides a rich and immersive experience for nature enthusiasts. In conclusion, Island Lake Reservoir near Duluth in St. Louis County, Minnesota, offers a captivating and expansive destination for outdoor enthusiasts. With its diverse fish species, vast size, and surrounding natural beauty, the reservoir provides abundant opportunities for fishing, boating, and exploring the scenic surroundings. Whether it's casting a line to catch a prized fish, embarking on a leisurely boat ride, or immersing oneself in the serenity of the reservoir's natural environment, Island Lake Reservoir offers a memorable escape into the heart of Minnesota's wilderness.

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Current Conditions

59°F°
Feels like 57°F°
Clear
Today's High
70°F°
Today's Low
42°F°

Water Temperature

37°F
Updated: (May 3)
Sign in to contribute temps.

Current water temperature for Island Lake Reservoir is 37°F.

Current Snapshot

Wind8 mph E (Gust 22 mph)
Pressure
30.02 inHg
Visibility24 mi
Humidity48%
Cloud Cover9%

Forecast: Monday, May 5

Day 1 of 9

Hourly Insights

7 AM
45°F°
10 AM
58°F°
1 PM
68°F°
4 PM
70°F°

Temperature

High
70°F°
Low
42°F°

Precipitation

Chance0%
Amount0.00"
Typeclear

Wind

7mph
Avg Speed
Gusts up to
19mph
CalmModerateStrong
Max Speed8 mph

Sun, Moon & UV

Sunrise10:46 AM
Sunset1:25 AM
Moon PhasewaxingGibbous
Max UV Index8 (Very High)

Solunar Fishing Forecast

Action Rating
3/5

Todays action is rated a 3 (scale is 0 thru 5, 5 is the best)

Major Times (Best)

1:05 AM - 3:35 AM

12:25 PM - 2:55 PM

Minor Times (Good)

5:52 PM - 7:22 PM

7:45 AM - 9:15 AM

Outlook for Monday at Island Lake Reservoir

Expect temperatures ranging from 42°F to 70°F. Skies look mostly clear with little chance of precipitation. Winds will be averaging 7 mph, with potential gusts reaching up to 19 mph. The maximum UV index will be 8 (Very High), so plan sun protection accordingly. For anglers, today's fishing action is rated 3/5 (Todays action is rated a 3 (scale is 0 thru 5, 5 is the best)). Look for the best bite times during the major periods around 1:05 AM and 12:25 PM, or try the minor windows near 5:52 PM and 7:45 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Island Lake Reservoir.

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May 4th 2025

Lake Information

Elevation
424 ft
Area
13 mi²
Coordinates
46.985, -92.205

Weather Forecast

Monday

70°F
42°F

Tuesday

78°F
44°F

Wednesday

56°F
39°F

Thursday

58°F
36°F

Friday

76°F
40°F

Saturday

64°F
49°F

Sunday

71°F
46°F

Monday

68°F
51°F

Tuesday

72°F
54°F
Monday - 5/5/2025
70°F
42°F
12am
47°F
37°F
30.03 hPa
7 mph
E
G: 16 mph
2am
44°F
37°F
30.01 hPa
7 mph
ESE
G: 15 mph
4am
43°F
37°F
30.04 hPa
7 mph
SE
G: 14 mph
6am
42°F
37°F
30.07 hPa
6 mph
SE
G: 13 mph
8am
50°F
37°F
30.08 hPa
7 mph
SSE
G: 19 mph
10am
58°F
37°F
30.08 hPa
7 mph
SSE
G: 16 mph
12pm
65°F
37°F
30.06 hPa
7 mph
SSE
G: 13 mph
2pm
69°F
37°F
30.03 hPa
8 mph
SE
G: 14 mph
4pm
70°F
37°F
30.00 hPa
8 mph
SE
G: 13 mph
6pm
67°F
37°F
30.00 hPa
7 mph
ESE
G: 12 mph
8pm
58°F
37°F
30.01 hPa
7 mph
ESE
G: 13 mph
10pm
51°F
37°F
30.04 hPa
6 mph
ESE
G: 13 mph

Water Temperature History

Trends for Island Lake Reservoir

Current Temp

Sign in to view

Latest recorded surface temperature.

Lowest in Period

34°F

On Nov 10

Coldest point in the Last 12 Months.

Average in Period

48°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 (70°F).
  • Coolest avg: December (35°F).
  • Rapid warming often occurs: April → May (+15°F).
  • Sharpest cooling trend: September → October (-16°F).

Weather Forecast

Wind speed and pressure trends

Hourly Wind Forecast

Wind Direction

89°

Pressure

1017 mb

Cloud Cover

0%

Visibility

16 miles

Daily Pressure Forecast

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Frequently Asked Questions About Island Lake Reservoir

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