Water Temperature of Lake Superior Near Duluth, MN

Current Water Temperature

35.8°F

Measurement Time: Saturday, May 23, 2026, 8:40 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

41.5°F
Overcast
Overcast
35.4°F
46.4°F
100%
ENE 10.3 mph
14.9 mph
40.5°F
44.7°F
0 in
100%
9 mi
1014 mbar
0.9

Five Day Weather Forecast

Patchy rain nearby
Sat
H: 54°F
L: 44°F
Partly Cloudy
Sun
H: 72°F
L: 42°F
Patchy rain nearby
Mon
H: 74°F
L: 48°F
Patchy rain nearby
Tue
H: 79°F
L: 48°F
Patchy rain nearby
Wed
H: 58°F
L: 47°F

Air Quality

AQI: 1 - Good
PM2.5: 3.05 μg/m3
PM10: 3.05 μg/m3
Carbon Monoxide: 145.85 μg/m3
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 68 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 1:04 PM
Sunset: 8:46 PM
Daylight: 15 hrs 22 mins
Moonrise: 12:55 AM
Moon Transit: 7:45 PM
Moonset: 2:04 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

6:37 AM - 9:07 AM
7:15 PM - 9:45 PM

Minor Periods

12:25 AM - 1:55 PM
1:34 AM - 3:04 AM

Action Rating: 2 out of 5

Beach Hazards Statement issued May 23 at 5:24AM CDT until May 23 at 2:00PM CDT by NWS Duluth MN

Effective: Sat May 23, 2026, 5:24 AM
Expires: Sat May 23, 2026, 2:00 PM

* WHAT...Dangerous swimming conditions are expected along the Lake Superior shoreline due to high wave action and strong rip currents. * WHERE...Minnesota Park Point and Wisconsin Point Beaches. * WHEN...Until 2 PM CDT this afternoon. * IMPACTS...High wave action can make swimming difficult on days such as this. Incoming waves in rapid succession can tire even an experienced swimmer quickly. Rip currents can move you away from land. To avoid being swept away, swim parallel to the shore to exit a rip current.

Remain out of the water to avoid hazardous swimming conditions.
Saturday, May 23, 2026

Weather Forecast

Patchy rain nearby
54°F
44.2°F
47.5°F
89%
0.15 in
88%
0%
12.1 mph
2.2


Air Quality

AQI: 1 - Good
PM2.5: 4.98 μg/m3
PM10: 5.1 μg/m3
Carbon Monoxide: 136.77 μg/m3
Nitrogen Dioxide: 3.09 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 74.16 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 1:04 PM
Sunset: 8:46 PM
Daylight: 15 hrs 22 mins
Moonrise: 12:55 AM
Moon Transit: 7:45 PM
Moonset: 2:04 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

6:37 AM - 9:07 AM
7:15 PM - 9:45 PM

Minor Periods

12:25 AM - 1:55 PM
1:34 AM - 3:04 AM

Action Rating: 2 out of 5

Sunday, May 24, 2026

Weather Forecast

Partly Cloudy
71.7°F
41.9°F
56.6°F
73%
0 in
0%
0%
10.1 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 6.97 μg/m3
PM10: 7.37 μg/m3
Carbon Monoxide: 192.49 μg/m3
Nitrogen Dioxide: 6.73 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 64.56 μg/m3

Astronomical

Sunrise: 5:23 AM
Sun Transit: 1:04 PM
Sunset: 8:47 PM
Daylight: 15 hrs 24 mins
Moonrise: 2:07 PM
Moon Transit: 8:29 PM
Moonset: 2:22 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

7:21 AM - 9:51 AM
7:59 PM - 10:29 PM

Minor Periods

1:37 PM - 3:07 PM
1:52 AM - 3:22 AM

Action Rating: 2 out of 5

Monday, May 25, 2026

Weather Forecast

Patchy rain nearby
74.1°F
47.6°F
60.7°F
84%
0.08 in
87%
0%
8.1 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 11.58 μg/m3
PM10: 12.55 μg/m3
Carbon Monoxide: 192.21 μg/m3
Nitrogen Dioxide: 8.2 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 72.24 μg/m3

Astronomical

Sunrise: 5:22 AM
Sun Transit: 1:04 PM
Sunset: 8:48 PM
Daylight: 15 hrs 26 mins
Moonrise: 3:16 PM
Moon Transit: 9:11 PM
Moonset: 2:38 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

8:04 AM - 10:34 AM
8:41 PM - 11:11 PM

Minor Periods

2:46 PM - 4:16 PM
2:08 AM - 3:38 AM

Action Rating: 3 out of 5

Tuesday, May 26, 2026

Weather Forecast

Patchy rain nearby
79°F
48.4°F
62.1°F
81%
0.06 in
71%
0%
8.5 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 11.09 μg/m3
PM10: 11.89 μg/m3
Carbon Monoxide: 223.9 μg/m3
Nitrogen Dioxide: 7.34 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 84.04 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 1:04 PM
Sunset: 8:49 PM
Daylight: 15 hrs 28 mins
Moonrise: 4:25 PM
Moon Transit: 9:52 PM
Moonset: 2:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

8:46 AM - 11:16 AM
9:22 PM - 11:52 PM

Minor Periods

3:55 PM - 5:25 PM
2:23 AM - 3:53 AM

Action Rating: 2 out of 5

Wednesday, May 27, 2026

Weather Forecast

Patchy rain nearby
58.3°F
46.5°F
51.7°F
90%
0.02 in
89%
0%
11.6 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 9.5 μg/m3
PM10: 10.14 μg/m3
Carbon Monoxide: 223.8 μg/m3
Nitrogen Dioxide: 10.25 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 76.08 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 1:04 PM
Sunset: 8:50 PM
Daylight: 15 hrs 30 mins
Moonrise: 5:33 PM
Moon Transit: 10:35 PM
Moonset: 3:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

9:28 AM - 11:58 AM
12:00 AM - 12:00 AM

Minor Periods

5:03 PM - 6:33 PM
2:40 AM - 4:10 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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