Water Temperature of Lake Superior Near Duluth, MN

Current Water Temperature

55.2°F

Measurement Time: Tuesday, October 14, 2025, 1:10 PM CDT

Temperature Locations

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Local Points of Interest

McQuade Harbor; Lakewood, MN

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

10.8°F
Partly cloudy
Partly cloudy
3.8°F
8.5°F
56%
N 3.8 mph
7.4 mph
-5.8°F
-5.3°F
0 in
50%
9 mi
1030 mbar
0

Five Day Weather Forecast

Patchy moderate snow
Fri
H: 30°F
L: 8°F
Overcast
Sat
H: 12°F
L: 4°F
Moderate or heavy snow showers
Sun
H: 30°F
L: 11°F
Mist
Mon
H: 32°F
L: 26°F
Light freezing rain
Tue
H: 31°F
L: 23°F

Air Quality

AQI: 1 - Good
PM2.5: 1.95 μg/m3
PM10: 2.05 μg/m3
Carbon Monoxide: 170.85 μg/m3
Nitrogen Dioxide: 2.95 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 75 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:21 AM
Sunset: 5:19 PM
Daylight: 9 hrs 53 mins
Moonrise: 11:12 PM
Moon Transit: 3:43 AM
Moonset: 9:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.1%

Best Times for Fishing or Hunting

Major Periods

3:13 AM - 5:43 AM
3:19 PM - 5:49 PM

Minor Periods

12:00 AM - 12:00 AM
8:43 AM - 10:13 AM

Action Rating: 2 out of 5

Friday, February 6, 2026

Weather Forecast

Patchy moderate snow
30.4°F
8.4°F
22°F
66%
0.02 in
74%
7%
12.3 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 2.15 μg/m3
PM10: 2.35 μg/m3
Carbon Monoxide: 173.69 μg/m3
Nitrogen Dioxide: 2.33 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 82.76 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:21 AM
Sunset: 5:19 PM
Daylight: 9 hrs 53 mins
Moonrise: 11:12 PM
Moon Transit: 3:43 AM
Moonset: 9:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.1%

Best Times for Fishing or Hunting

Major Periods

3:13 AM - 5:43 AM
3:19 PM - 5:49 PM

Minor Periods

12:00 AM - 12:00 AM
8:43 AM - 10:13 AM

Action Rating: 2 out of 5

Saturday, February 7, 2026

Weather Forecast

Overcast
11.7°F
3.6°F
8.1°F
68%
0 in
0%
0%
7.6 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 1.83 μg/m3
PM10: 1.95 μg/m3
Carbon Monoxide: 176.05 μg/m3
Nitrogen Dioxide: 2.64 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 78.24 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:21 AM
Sunset: 5:20 PM
Daylight: 9 hrs 56 mins
Moonrise: 12:12 AM
Moon Transit: 4:26 AM
Moonset: 9:30 AM
Moon Phase: Waning Gibbous
Moon Illumination: 63.7%

Best Times for Fishing or Hunting

Major Periods

3:56 AM - 6:26 AM
4:02 PM - 6:32 PM

Minor Periods

9:00 AM - 10:30 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, February 8, 2026

Weather Forecast

Moderate or heavy snow showers
29.5°F
11.3°F
20.5°F
87%
0.09 in
87%
12%
7.4 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 4.19 μg/m3
PM10: 4.55 μg/m3
Carbon Monoxide: 185.13 μg/m3
Nitrogen Dioxide: 4.24 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 76.16 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:21 AM
Sunset: 5:22 PM
Daylight: 9 hrs 59 mins
Moonrise: 12:21 AM
Moon Transit: 5:09 AM
Moonset: 9:49 AM
Moon Phase: Last Quarter
Moon Illumination: 52.5%

Best Times for Fishing or Hunting

Major Periods

4:39 AM - 7:09 AM
4:46 PM - 7:16 PM

Minor Periods

9:19 AM - 10:49 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, February 9, 2026

Weather Forecast

Mist
32.4°F
25.7°F
29.3°F
94%
0 in
0%
0%
6.7 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 11.1 μg/m3
PM10: 11.34 μg/m3
Carbon Monoxide: 227.66 μg/m3
Nitrogen Dioxide: 9.73 μg/m3
Sulphur Dioxide: 2.6 μg/m3
Ozone: 59.32 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:21 AM
Sunset: 5:23 PM
Daylight: 10 hrs 2 mins
Moonrise: 1:30 AM
Moon Transit: 5:55 AM
Moonset: 10:13 AM
Moon Phase: Last Quarter
Moon Illumination: 41.2%

Best Times for Fishing or Hunting

Major Periods

5:25 AM - 7:55 AM
5:32 PM - 8:02 PM

Minor Periods

9:43 AM - 11:13 AM
1:00 AM - 2:30 AM

Action Rating: 3 out of 5

Tuesday, February 10, 2026

Weather Forecast

Light freezing rain
31.3°F
22.9°F
27.6°F
87%
0.02 in
84%
35%
12.1 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 10.53 μg/m3
PM10: 10.71 μg/m3
Carbon Monoxide: 246.67 μg/m3
Nitrogen Dioxide: 13.18 μg/m3
Sulphur Dioxide: 2.46 μg/m3
Ozone: 47.15 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 12:21 AM
Sunset: 5:25 PM
Daylight: 10 hrs 5 mins
Moonrise: 2:38 AM
Moon Transit: 6:43 AM
Moonset: 10:43 AM
Moon Phase: Last Quarter
Moon Illumination: 30.3%

Best Times for Fishing or Hunting

Major Periods

6:13 AM - 8:43 AM
6:21 PM - 8:51 PM

Minor Periods

10:13 AM - 11:43 AM
2:08 AM - 3:38 AM

Action Rating: 2 out of 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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