Water Temperature of Lake Superior Near Duluth, MN

Current Water Temperature

37.9°F

Measurement Time: Monday, June 8, 2026, 9:40 AM 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

52.3°F
Mist
Mist
50.9°F
64.3°F
100%
E 5.1 mph
10.7 mph
64.1°F
66.3°F
0 in
100%
0 mi
1015 mbar
0.2

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 70°F
L: 50°F
Fog
Tue
H: 68°F
L: 52°F
Heavy rain
Wed
H: 67°F
L: 49°F
Sunny
Thu
H: 74°F
L: 52°F
Patchy rain nearby
Fri
H: 65°F
L: 50°F

Air Quality

AQI: 1 - Good
PM2.5: 1.5 μg/m3
PM10: 1.5 μg/m3
Carbon Monoxide: 143 μg/m3
Nitrogen Dioxide: 3.4 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 66 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 1:06 PM
Sunset: 9:00 PM
Daylight: 15 hrs 47 mins
Moonrise: 1:27 AM
Moon Transit: 7:16 AM
Moonset: 1:20 PM
Moon Phase: Last Quarter
Moon Illumination: 31.6%

Best Times for Fishing or Hunting

Major Periods

6:46 AM - 9:16 AM
12:00 AM - 12:00 AM

Minor Periods

12:50 AM - 2:20 PM
12:57 AM - 2:27 AM

Action Rating: 2 out of 5

Dense Fog Advisory issued June 8 at 2:13PM CDT until June 9 at 10:00AM CDT by NWS Duluth MN

Effective: Mon June 8, 2026, 2:13 PM
Expires: Tue June 9, 2026, 2:15 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Minnesota, Carlton, South and Central St. Louis, Cook and Lake Counties. In Wisconsin, Ashland, Bayfield, and Douglas Counties. This includes the Tribal Lands of the Bad River Reservation, the Bois Forte Band, Lake Vermilion area, the Grand Portage Reservation, the Fond du Lac Band and the Red Cliff Band. Other locations including Madeline Island and the Apostle Islands National Lakeshore. This also includes the Boundary Waters eastern and central area. * WHEN...From 8 PM this evening to 10 AM CDT Tuesday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your low-beam headlights and fog lights, and leave plenty of distance ahead of you.
Monday, June 8, 2026

Weather Forecast

Patchy rain nearby
70°F
50.4°F
58.6°F
95%
0.02 in
81%
0%
7.6 mph
2.7


Air Quality

AQI: 1 - Good
PM2.5: 2.14 μg/m3
PM10: 2.25 μg/m3
Carbon Monoxide: 132.75 μg/m3
Nitrogen Dioxide: 2.97 μg/m3
Sulphur Dioxide: 0.21 μg/m3
Ozone: 66.75 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 1:06 PM
Sunset: 9:00 PM
Daylight: 15 hrs 47 mins
Moonrise: 1:27 AM
Moon Transit: 7:16 AM
Moonset: 1:20 PM
Moon Phase: Last Quarter
Moon Illumination: 31.6%

Best Times for Fishing or Hunting

Major Periods

6:46 AM - 9:16 AM
12:00 AM - 12:00 AM

Minor Periods

12:50 AM - 2:20 PM
12:57 AM - 2:27 AM

Action Rating: 2 out of 5

Tuesday, June 9, 2026

Weather Forecast

Fog
68.2°F
52.3°F
60°F
94%
0 in
73%
0%
11.9 mph
7.1


Air Quality

AQI: 1 - Good
PM2.5: 2.04 μg/m3
PM10: 2.12 μg/m3
Carbon Monoxide: 166.17 μg/m3
Nitrogen Dioxide: 4.17 μg/m3
Sulphur Dioxide: 0.26 μg/m3
Ozone: 64.21 μg/m3

Astronomical

Sunrise: 5:13 AM
Sun Transit: 1:07 PM
Sunset: 9:01 PM
Daylight: 15 hrs 48 mins
Moonrise: 1:43 AM
Moon Transit: 5:27 AM
Moonset: 2:34 PM
Moon Phase: Last Quarter
Moon Illumination: 21.6%

Best Times for Fishing or Hunting

Major Periods

4:57 AM - 7:27 AM
4:57 AM - 7:27 AM

Minor Periods

2:04 PM - 3:34 PM
1:13 AM - 2:43 AM

Action Rating: 4 out of 5

Wednesday, June 10, 2026

Weather Forecast

Heavy rain
66.9°F
49.1°F
56.3°F
98%
0.82 in
98%
0%
11.9 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 1.73 μg/m3
PM10: 1.91 μg/m3
Carbon Monoxide: 137.21 μg/m3
Nitrogen Dioxide: 3.4 μg/m3
Sulphur Dioxide: 0.29 μg/m3
Ozone: 73.04 μg/m3

Astronomical

Sunrise: 5:13 AM
Sun Transit: 1:07 PM
Sunset: 9:01 PM
Daylight: 15 hrs 48 mins
Moonrise: 2:01 AM
Moon Transit: 8:47 AM
Moonset: 3:51 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.1%

Best Times for Fishing or Hunting

Major Periods

8:17 AM - 10:47 AM
8:26 PM - 10:56 PM

Minor Periods

3:21 PM - 4:51 PM
1:31 AM - 3:01 AM

Action Rating: 2 out of 5

Thursday, June 11, 2026

Weather Forecast

Sunny
74.3°F
52.2°F
63.7°F
66%
0 in
1%
0%
17.9 mph
2.1


Air Quality

AQI: 1 - Good
PM2.5: 2.49 μg/m3
PM10: 2.67 μg/m3
Carbon Monoxide: 134.52 μg/m3
Nitrogen Dioxide: 3.24 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 69.96 μg/m3

Astronomical

Sunrise: 5:13 AM
Sun Transit: 1:07 PM
Sunset: 9:02 PM
Daylight: 15 hrs 49 mins
Moonrise: 2:21 AM
Moon Transit: 9:38 AM
Moonset: 5:14 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.5%

Best Times for Fishing or Hunting

Major Periods

9:19 PM - 11:49 PM
9:08 AM - 11:38 AM

Minor Periods

4:44 PM - 6:14 PM
1:51 AM - 3:21 AM

Action Rating: 3 out of 5

Friday, June 12, 2026

Weather Forecast

Patchy rain nearby
64.5°F
50.2°F
58.1°F
70%
0.05 in
73%
0%
16.3 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 3.81 μg/m3
PM10: 3.91 μg/m3
Carbon Monoxide: 155.13 μg/m3
Nitrogen Dioxide: 4.65 μg/m3
Sulphur Dioxide: 0.85 μg/m3
Ozone: 54.38 μg/m3

Astronomical

Sunrise: 5:13 AM
Sun Transit: 1:07 PM
Sunset: 9:03 PM
Daylight: 15 hrs 50 mins
Moonrise: 2:47 AM
Moon Transit: 10:34 AM
Moonset: 6:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:04 AM - 12:34 AM

Minor Periods

6:10 PM - 7:40 PM
2:17 AM - 3:47 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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