Water Temperature of Lake Superior Near Duluth, MN

Current Water Temperature

51.3°F 10.7°C
Cold Thermal Gear Required
51.3°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Cold shock risk with rapid dexterity loss (10–15 mins). Wetsuit or drysuit strongly advised for any immersion.

Measurement Time: Tuesday, October 13, 2026, 9:30 AM CDT

Temperature Locations

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Local Points of Interest

McQuade Harbor; Lakewood, MN

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Lake Superior

Station Name: McQuade Harbor Nearshore, MN
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 587 feet

Nearest Address:
Offshore
Duluth, MN 55804
St. Louis County

GPS Coordinates: 46.86, -91.93

Nearby Water Temperatures

Lake Superior, Duluth, MN (1.4 mi)
Lake Superior, Duluth, MN (5.7 mi)
Knife River, Knife River, MN (8.8 mi)
Duluth Harbor, Duluth, MN (9.6 mi)
Lake Superior, Superior, WI (11.5 mi)
Lake Superior, Two Harbors, MN (16.6 mi)
Bois Brule River, Maple, WI (18.8 mi)
St. Louis River, Scanlon, MN (25.5 mi)
Saint Louis River, Hoyt Lakes, MN (43.2 mi)
Baptism River, Illgen City, MN (47.6 mi)
Partrige River, Babbitt, MN (52.5 mi)
Chequamegon Bay, Ashland, WI (52.7 mi)
Namekagon River, Cable, WI (55.5 mi)
Dunka River, Babbitt, MN (55.8 mi)
St. Croix River, Danbury, WI (56.2 mi)

Weather Near Duluth, Minnesota

Current Weather

35.6°F
Clear
Conditions: Clear
Humidity: 73%
Feels Like: 29.1°F
Wind: NNE 8.3 mph
Wind Gusts: 15.2 mph
Pressure: 30.23 in
Precipitation: 0 in
Cloud Cover: 5%
Visibility: 6 mi
UV Index: 0

Weather Forecast

Cloudy
Thu
H: 49°F
L: 35°F
Sunny
Fri
H: 42°F
L: 33°F
Partly Cloudy
Sat
H: 51°F
L: 34°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
0.9 μg/m³
Good
PM10
1 μg/m³
Good
Ozone (O3)
74 μg/m³
Photochemical
NO2
1.7 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
126 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 50m daylight
Sunrise 6:56 AM
Solar Noon 11:51 AM
Sunset 4:46 PM
Moon
Waning Crescent • 11%
Moonrise 2:59 AM
Transit 9:04 AM
Moonset 2:57 PM

Best Times for Fishing or Hunting

Major Periods

8:34 AM - 11:04 AM
8:56 PM - 11:26 PM

Minor Periods

2:29 AM - 3:59 AM
2:27 PM - 3:57 PM
Action Rating:
Fair Action 2/5
Thursday, November 5, 2026

Weather Forecast

Conditions: Cloudy
Average Temperature: 42.2°F
Average Humidity: 72%
Chance of Rain: 62%
Wind: 16.8 mph
UV Index: 0.9

Astronomical

Sun
9h 50m daylight
Sunrise 6:56 AM
Solar Noon 11:51 AM
Sunset 4:46 PM
Moon
Waning Crescent • 11%
Moonrise 2:59 AM
Transit 9:04 AM
Moonset 2:57 PM

Best Times for Fishing or Hunting

Major Periods

8:34 AM - 11:04 AM
8:56 PM - 11:26 PM

Minor Periods

2:29 AM - 3:59 AM
2:27 PM - 3:57 PM
Action Rating:
Fair Action 2/5
Friday, November 6, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 36.5°F
Average Humidity: 68%
Chance of Rain: 8%
Wind: 7.6 mph
UV Index: 1.7

Astronomical

Sun
9h 47m daylight
Sunrise 6:58 AM
Solar Noon 11:51 AM
Sunset 4:45 PM
Moon
Waning Crescent • 5%
Moonrise 4:11 AM
Transit 9:48 AM
Moonset 3:14 PM

Best Times for Fishing or Hunting

Major Periods

9:18 AM - 11:48 AM
9:40 PM - 12:10 AM

Minor Periods

3:41 AM - 5:11 AM
2:44 PM - 4:14 PM
Action Rating:
Fair Action 2/5
Saturday, November 7, 2026

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 41.8°F
Average Humidity: 71%
Chance of Rain: 12%
Wind: 12.5 mph
UV Index: 1.5

Astronomical

Sun
9h 44m daylight
Sunrise 6:59 AM
Solar Noon 11:51 AM
Sunset 4:43 PM
Moon
Waning Crescent • 1%
Moonrise 5:22 AM
Transit 10:32 AM
Moonset 3:33 PM

Best Times for Fishing or Hunting

Major Periods

10:02 AM - 12:32 PM
10:25 PM - 12:55 AM

Minor Periods

4:52 AM - 6:22 AM
3:03 PM - 4:33 PM
Action Rating:
Good Action 3/5
The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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