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

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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 / 179 meters

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

48.7°F
Sunny
Conditions: Sunny
Humidity: 66%
Feels Like: 46.8°F
Wind: W 4.9 mph
Wind Gusts: 6 mph
Pressure: 29.84 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 1

Five Day Weather Forecast

Sunny
Mon
H: 53°F
L: 35°F
Heavy rain
Tue
H: 40°F
L: 34°F
Moderate or heavy snow showers
Wed
H: 33°F
L: 24°F
Partly Cloudy
Thu
H: 29°F
L: 20°F
Cloudy
Fri
H: 26°F
L: 16°F

Air Quality

AQI: 1 - Good
PM2.5: 10.95 μg/m3
PM10: 10.95 μg/m3
Carbon Monoxide: 274.85 μg/m3
Nitrogen Dioxide: 16.35 μg/m3
Sulphur Dioxide: 6.55 μg/m3
Ozone: 31 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 11:54 AM
Sunset: 4:25 PM
Daylight: 9 hrs 2 mins
Moonrise: 11:32 AM
Moon Transit: 3:35 PM
Moonset: 7:45 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.9%

Best Times for Fishing or Hunting

Major Periods

2:24 AM - 4:54 AM
3:05 PM - 5:35 PM

Minor Periods

7:15 PM - 8:45 PM
11:02 AM - 12:32 AM

Action Rating: 2 out of 5

Winter Storm Watch issued November 24 at 2:45AM CST until November 27 at 12:00AM CST by NWS Duluth MN

Effective: Mon November 24, 2025, 2:45 AM
Expires: Mon November 24, 2025, 2:45 PM

* WHAT...Heavy snow possible. Total snow accumulations between 5 and 10 inches except between 8 and 11 inches for northern Bayfield County possible. Winds could gust as high as 35 mph. * WHERE...Bayfield and Douglas Counties. This includes the Tribal Lands of the Red Cliff Band. Other locations including the Apostle Islands National Lakeshore. * WHEN...From Tuesday evening through Wednesday evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult. The hazardous conditions could impact the Wednesday morning and evening commutes. * ADDITIONAL DETAILS...A corridor of locally higher snowfall amounts are possible somewhere in the watch area. Blustery winds gusting up to 35 mph may result in areas of blowing and drifting snow.

Monitor the latest forecasts for updates on this situation.


Winter Storm Watch issued November 23 at 9:54PM CST until November 27 at 12:00AM CST by NWS Duluth MN

Effective: Sun November 23, 2025, 9:54 PM
Expires: Mon November 24, 2025, 10:00 AM

* WHAT...Heavy snow possible. Total snow accumulations between 3 and 8 inches possible. Winds could gust as high as 35 mph. * WHERE...Bayfield and Douglas Counties. This includes the Tribal Lands of the Red Cliff Band. Other locations including the Apostle Islands National Lakeshore. * WHEN...From Tuesday evening through Wednesday evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult. The hazardous conditions could impact the Wednesday morning and evening commutes. * ADDITIONAL DETAILS...A corridor of locally higher snowfall amounts are possible somewhere in the watch area. Blustery winds gusting up to 35 mph may result in areas of blowing and drifting snow.

Monitor the latest forecasts for updates on this situation.


Winter Storm Watch issued November 24 at 2:45AM CST until November 27 at 12:00AM CST by NWS Duluth MN

Effective: Mon November 24, 2025, 2:45 AM
Expires: Mon November 24, 2025, 2:45 PM

* WHAT...Heavy snow possible. Total snow accumulations between 5 and 10 inches possible. Winds could gust as high as 35 mph. * WHERE...Carlton, St. Louis, Cook and Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation, the Fond du Lac Band and the Bois Forte Band, Lake Vermilion and, Nett Lake areas. Other locations including Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...From Tuesday afternoon through Wednesday evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes. * ADDITIONAL DETAILS...A corridor of locally higher snowfall amounts are possible somewhere in the watch area. Blustery winds gusting up to 35 mph may result in areas of blowing and drifting snow.

Monitor the latest forecasts for updates on this situation.


Winter Storm Watch issued November 23 at 9:54PM CST until November 27 at 12:00AM CST by NWS Duluth MN

Effective: Sun November 23, 2025, 9:54 PM
Expires: Mon November 24, 2025, 10:00 AM

* WHAT...Heavy snow possible. Total snow accumulations between 4 and 9 inches possible. Winds could gust as high as 35 mph. * WHERE...Carlton, St. Louis, Cook and Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation, the Fond du Lac Band and the Bois Forte Band, Nett Lake and, Lake Vermilion areas. Other locations including Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...From Tuesday afternoon through Wednesday evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes. * ADDITIONAL DETAILS...A corridor of locally higher snowfall amounts are possible somewhere in the watch area. Blustery winds gusting up to 35 mph may result in areas of blowing and drifting snow.

Monitor the latest forecasts for updates on this situation.


Monday, November 24, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 42.6°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 6.72 μg/m3
PM10: 6.83 μg/m3
Carbon Monoxide: 228.49 μg/m3
Nitrogen Dioxide: 10.64 μg/m3
Sulphur Dioxide: 3.91 μg/m3
Ozone: 42.76 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 11:54 AM
Sunset: 4:25 PM
Daylight: 9 hrs 2 mins
Moonrise: 11:32 AM
Moon Transit: 3:35 PM
Moonset: 7:45 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.9%

Best Times for Fishing or Hunting

Major Periods

2:24 AM - 4:54 AM
3:05 PM - 5:35 PM

Minor Periods

7:15 PM - 8:45 PM
11:02 AM - 12:32 AM

Action Rating: 2 out of 5

Tuesday, November 25, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 37.7°F
Average Humidity: 97%
Chance of Rain: 85%
Wind: 15.9 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 4.33 μg/m3
PM10: 4.51 μg/m3
Carbon Monoxide: 183.45 μg/m3
Nitrogen Dioxide: 6.09 μg/m3
Sulphur Dioxide: 2.31 μg/m3
Ozone: 49.96 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 11:54 AM
Sunset: 4:24 PM
Daylight: 9 hrs mins
Moonrise: 12:02 AM
Moon Transit: 4:25 PM
Moonset: 8:56 PM
Moon Phase: Waxing Crescent
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

3:14 AM - 5:44 AM
3:55 PM - 6:25 PM

Minor Periods

8:26 PM - 9:56 PM
11:32 AM - 1:02 PM

Action Rating: 3 out of 5

Wednesday, November 26, 2025

Weather Forecast

Conditions: Moderate or heavy snow showers
Average Temperature: 29.3°F
Average Humidity: 74%
Chance of Rain: 66%
Wind: 17.2 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 1.25 μg/m3
PM10: 1.34 μg/m3
Carbon Monoxide: 151.53 μg/m3
Nitrogen Dioxide: 1.69 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 75.4 μg/m3

Astronomical

Sunrise: 7:26 AM
Sun Transit: 11:55 AM
Sunset: 4:24 PM
Daylight: 8 hrs 58 mins
Moonrise: 12:26 AM
Moon Transit: 5:12 PM
Moonset: 10:09 PM
Moon Phase: First Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

4:03 AM - 6:33 AM
4:42 PM - 7:12 PM

Minor Periods

9:39 PM - 11:09 PM
11:56 AM - 1:26 PM

Action Rating: 3 out of 5

Thursday, November 27, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 23.7°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 1.19 μg/m3
PM10: 1.2 μg/m3
Carbon Monoxide: 152.65 μg/m3
Nitrogen Dioxide: 1.89 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 71.56 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 11:55 AM
Sunset: 4:23 PM
Daylight: 8 hrs 56 mins
Moonrise: 12:46 AM
Moon Transit: 5:58 PM
Moonset: 11:23 PM
Moon Phase: First Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

4:49 AM - 7:19 AM
5:28 PM - 7:58 PM

Minor Periods

12:00 AM - 12:00 AM
12:16 AM - 1:46 PM

Action Rating: 3 out of 5

Friday, November 28, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 20.2°F
Average Humidity: 86%
Chance of Rain: 0%
Wind: 10.3 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 1.43 μg/m3
PM10: 1.43 μg/m3
Carbon Monoxide: 161.54 μg/m3
Nitrogen Dioxide: 2.5 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 68.15 μg/m3

Astronomical

Sunrise: 7:29 AM
Sun Transit: 11:55 AM
Sunset: 4:23 PM
Daylight: 8 hrs 54 mins
Moonrise: 1:03 PM
Moon Transit: 6:43 PM
Moonset: 12:23 AM
Moon Phase: First Quarter
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

5:35 AM - 8:05 AM
6:13 PM - 8:43 PM

Minor Periods

12:33 AM - 2:03 PM
12:00 AM - 12:00 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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