Water Temperature of Lake Superior Near Duluth, MN

Current Water Temperature

36.9°F

Measurement Time: Wednesday, May 27, 2026, 5:40 AM CDT

Temperature Locations

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Lake Superior

Station Name: Western Lake Superior
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: 46.814, -91.829

Nearby Water Temperatures

Lake Superior, Duluth, MN (5.7 mi)
Lake Superior, Duluth, MN (7 mi)
Knife River, Knife River, MN (9.3 mi)
Duluth Harbor, Duluth, MN (12.7 mi)
Lake Superior, Superior, WI (12.8 mi)
Bois Brule River, Maple, WI (13.1 mi)
Lake Superior, Two Harbors, MN (16.1 mi)
St. Louis River, Scanlon, MN (28.9 mi)
Baptism River, Illgen City, MN (46.7 mi)
Saint Louis River, Hoyt Lakes, MN (47.1 mi)
Chequamegon Bay, Ashland, WI (47.2 mi)
Namekagon River, Cable, WI (50.4 mi)
St. Croix River, Danbury, WI (54.7 mi)
Partrige River, Babbitt, MN (55.8 mi)
Bad River, Ashland, WI (58.3 mi)

Weather Near Duluth, Minnesota

Current Weather

52.3°F
Sunny
Sunny
47.6°F
64°F
71%
ENE 15.2 mph
17.5 mph
64°F
49.4°F
0 in
0%
9 mi
1020 mbar
6.7

Five Day Weather Forecast

Sunny
Wed
H: 67°F
L: 51°F
Sunny
Thu
H: 61°F
L: 40°F
Sunny
Fri
H: 78°F
L: 47°F
Overcast
Sat
H: 61°F
L: 45°F
Partly Cloudy
Sun
H: 65°F
L: 43°F

Air Quality

AQI: 1 - Good
PM2.5: 3.05 μg/m3
PM10: 3.25 μg/m3
Carbon Monoxide: 123.85 μg/m3
Nitrogen Dioxide: 2.45 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 76 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 1:04 PM
Sunset: 8:50 PM
Daylight: 15 hrs 29 mins
Moonrise: 5:33 PM
Moon Transit: 10:35 PM
Moonset: 3:09 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
2:39 AM - 4:09 AM

Action Rating: 2 out of 5

Beach Hazards Statement issued May 27 at 4:03AM CDT until May 27 at 10:00PM CDT by NWS Duluth MN

Effective: Wed May 27, 2026, 4:03 AM
Expires: Wed May 27, 2026, 10:00 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...From 7 AM CDT this morning through this evening. * 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. * ADDITIONAL DETAILS...A high risk of rip currents is forecast again for Thursday.

Remain out of the water to avoid hazardous swimming conditions.
Wednesday, May 27, 2026

Weather Forecast

Sunny
67.1°F
50.5°F
59°F
58%
0 in
0%
0%
15.9 mph
7.1


Air Quality

AQI: 1 - Good
PM2.5: 4.96 μg/m3
PM10: 5.28 μg/m3
Carbon Monoxide: 143.97 μg/m3
Nitrogen Dioxide: 4.59 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 73.32 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 1:04 PM
Sunset: 8:50 PM
Daylight: 15 hrs 29 mins
Moonrise: 5:33 PM
Moon Transit: 10:35 PM
Moonset: 3:09 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
2:39 AM - 4:09 AM

Action Rating: 2 out of 5

Thursday, May 28, 2026

Weather Forecast

Sunny
60.6°F
40°F
50°F
74%
0 in
0%
0%
7.6 mph
7.3


Air Quality

AQI: 1 - Good
PM2.5: 3.31 μg/m3
PM10: 3.51 μg/m3
Carbon Monoxide: 131.65 μg/m3
Nitrogen Dioxide: 3.44 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 66.6 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 1:04 PM
Sunset: 8:51 PM
Daylight: 15 hrs 31 mins
Moonrise: 6:42 PM
Moon Transit: 11:19 PM
Moonset: 3:28 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

10:12 AM - 12:42 AM
12:00 AM - 12:00 AM

Minor Periods

6:12 PM - 7:42 PM
2:58 AM - 4:28 AM

Action Rating: 2 out of 5

Friday, May 29, 2026

Weather Forecast

Sunny
77.9°F
47.2°F
64.1°F
76%
0 in
0%
0%
6.5 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 10.89 μg/m3
PM10: 11.56 μg/m3
Carbon Monoxide: 175.58 μg/m3
Nitrogen Dioxide: 9.04 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 72.24 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 1:04 PM
Sunset: 8:51 PM
Daylight: 15 hrs 33 mins
Moonrise: 7:50 PM
Moon Transit: 12:00 AM
Moonset: 3:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:57 AM - 1:27 PM

Minor Periods

7:20 PM - 8:50 PM
3:20 AM - 4:50 AM

Action Rating: 4 out of 5

Saturday, May 30, 2026

Weather Forecast

Overcast
61°F
44.8°F
52.8°F
83%
0 in
0%
0%
11.6 mph
7.5


Air Quality

AQI: 1 - Good
PM2.5: 5.47 μg/m3
PM10: 6.05 μg/m3
Carbon Monoxide: 142.14 μg/m3
Nitrogen Dioxide: 2.85 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 80.92 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 1:04 PM
Sunset: 8:52 PM
Daylight: 15 hrs 35 mins
Moonrise: 8:56 PM
Moon Transit: 12:06 AM
Moonset: 4:17 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:45 AM - 2:15 PM

Minor Periods

8:26 PM - 9:56 PM
3:47 AM - 5:17 AM

Action Rating: 5 out of 5

Sunday, May 31, 2026

Weather Forecast

Partly Cloudy
65.1°F
43.3°F
53.8°F
78%
0 in
0%
0%
13.2 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 2.51 μg/m3
PM10: 2.76 μg/m3
Carbon Monoxide: 122.85 μg/m3
Nitrogen Dioxide: 2.89 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 71.23 μg/m3

Astronomical

Sunrise: 5:17 AM
Sun Transit: 1:05 PM
Sunset: 8:53 PM
Daylight: 15 hrs 36 mins
Moonrise: 9:57 PM
Moon Transit: 12:55 AM
Moonset: 4:52 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:25 AM - 2:55 AM
12:36 AM - 3:06 PM

Minor Periods

9:27 PM - 10:57 PM
4:22 AM - 5:52 AM

Action Rating: 3 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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