Water Temperature of Lake Superior in Superior, WI

Current Water Temperature

53.7°F

Measurement Time: Sunday, May 3, 2026, 7:15 PM CDT

Temperature Locations

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Local Points of Interest

Lake Superior Estuarium; Lake Superior National Estuarine Research Reserve (NERR); Barkers Island Beach; Duluth, MN

Lake Superior

Station Name: Superior
Data Source: USGS

Elevation Above Sea Level: 587 feet

Nearest Address:
182 Marina Dr
Superior, WI 54880
Douglas County

GPS Coordinates: 46.7217, -92.0635

Nearby Water Temperatures

Duluth Harbor, Duluth, MN (4 mi)
Lake Superior, Duluth, MN (10.9 mi)
Lake Superior, Duluth, MN (11.5 mi)
Lake Superior, Duluth, MN (12.8 mi)
St. Louis River, Scanlon, MN (16.9 mi)
Knife River, Knife River, MN (20.2 mi)
Bois Brule River, Maple, WI (21.9 mi)
Lake Superior, Two Harbors, MN (27.8 mi)
St. Croix River, Danbury, WI (45.5 mi)
Namekagon River, Cable, WI (51.6 mi)
Saint Louis River, Hoyt Lakes, MN (52.5 mi)
Chequamegon Bay, Ashland, WI (56.9 mi)
Baptism River, Illgen City, MN (58.9 mi)
Partrige River, Babbitt, MN (62.4 mi)
Dunka River, Babbitt, MN (66 mi)

Weather for Superior, Wisconsin

Current Weather

43°F
Fog
Fog
42.7°F
45.1°F
100%
WNW 2.2 mph
6.7 mph
42°F
42.9°F
0 in
100%
0 mi
1015 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Sun
H: 72°F
L: 44°F
Patchy rain nearby
Mon
H: 65°F
L: 51°F
Sunny
Tue
H: 77°F
L: 55°F
Patchy rain nearby
Wed
H: 55°F
L: 43°F
Partly Cloudy
Thu
H: 70°F
L: 42°F

Air Quality

AQI: 1 - Good
PM2.5: 7.35 μg/m3
PM10: 7.35 μg/m3
Carbon Monoxide: 185.85 μg/m3
Nitrogen Dioxide: 8.85 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 43 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 1:05 PM
Sunset: 8:47 PM
Daylight: 15 hrs 23 mins
Moonrise: 2:07 PM
Moon Transit: 8:29 PM
Moonset: 2:23 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
1:53 AM - 3:23 AM

Action Rating: 2 out of 5

Beach Hazards Statement issued May 23 at 1:27PM CDT until May 23 at 10:00PM CDT by NWS Duluth MN

Effective: Sat May 23, 2026, 1:27 PM
Expires: Sat May 23, 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...Until 10 PM CDT this evening. Conditions improve significantly through 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.


Dense Fog Advisory issued May 24 at 12:44AM CDT until May 24 at 10:00AM CDT by NWS Duluth MN

Effective: Sun May 24, 2026, 12:44 AM
Expires: Sun May 24, 2026, 10:00 AM

* WHAT...Visibility less than one quarter mile in dense fog. * WHERE...In Minnesota, Crow Wing, Aitkin, Pine, Cass, Itasca, Carlton, St. Louis, Cook and Lake Counties. In Wisconsin, Bayfield, Burnett, Douglas, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Grand Portage Reservation, the Red Cliff Band, the St. Croix Band in Burnett County, the Fond du Lac Band, the Lac Courte Oreilles Reservation, the Mille Lacs Band, Hinckley, Lena Lake, Big Sandy Lake and, East Lake areas and the Bois Forte Band, Lake Vermilion, Deer Creek and, Nett Lake areas. Other locations including the Apostle Islands National Lakeshore and Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...Until 10 AM CDT this morning. * 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.
Sunday, May 24, 2026

Weather Forecast

Patchy rain nearby
72.2°F
44.4°F
51.5°F
88%
0 in
76%
0%
11 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 7.77 μg/m3
PM10: 8.28 μg/m3
Carbon Monoxide: 164.37 μg/m3
Nitrogen Dioxide: 6.44 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 66.76 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 1:05 PM
Sunset: 8:47 PM
Daylight: 15 hrs 23 mins
Moonrise: 2:07 PM
Moon Transit: 8:29 PM
Moonset: 2:23 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
1:53 AM - 3:23 AM

Action Rating: 2 out of 5

Monday, May 25, 2026

Weather Forecast

Patchy rain nearby
65.4°F
50.5°F
57.9°F
87%
0 in
0%
0%
4.7 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 14 μg/m3
PM10: 15.19 μg/m3
Carbon Monoxide: 152.17 μg/m3
Nitrogen Dioxide: 7.98 μg/m3
Sulphur Dioxide: 1.72 μg/m3
Ozone: 75.32 μg/m3

Astronomical

Sunrise: 5:23 AM
Sun Transit: 1:05 PM
Sunset: 8:48 PM
Daylight: 15 hrs 25 mins
Moonrise: 3:17 PM
Moon Transit: 9:11 PM
Moonset: 2:39 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:41 PM - 11:11 PM

Minor Periods

2:47 PM - 4:17 PM
2:09 AM - 3:39 AM

Action Rating: 3 out of 5

Tuesday, May 26, 2026

Weather Forecast

Sunny
77.1°F
55.3°F
65.4°F
78%
0 in
0%
0%
7.8 mph
7.5


Air Quality

AQI: 1 - Good
PM2.5: 12.25 μg/m3
PM10: 13.03 μg/m3
Carbon Monoxide: 180.73 μg/m3
Nitrogen Dioxide: 7.12 μg/m3
Sulphur Dioxide: 1.72 μg/m3
Ozone: 86.32 μg/m3

Astronomical

Sunrise: 5:22 AM
Sun Transit: 1:05 PM
Sunset: 8:49 PM
Daylight: 15 hrs 27 mins
Moonrise: 4:25 PM
Moon Transit: 9:53 PM
Moonset: 2:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

8:45 AM - 11:15 AM
9:23 PM - 11:53 PM

Minor Periods

3:55 PM - 5:25 PM
2:24 AM - 3:54 AM

Action Rating: 2 out of 5

Wednesday, May 27, 2026

Weather Forecast

Patchy rain nearby
55.4°F
43.2°F
49°F
92%
0.02 in
87%
0%
10.5 mph
6.4


Air Quality

AQI: 1 - Good
PM2.5: 7.66 μg/m3
PM10: 8.14 μg/m3
Carbon Monoxide: 176.92 μg/m3
Nitrogen Dioxide: 7.04 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 74.92 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 1:05 PM
Sunset: 8:50 PM
Daylight: 15 hrs 29 mins
Moonrise: 5:33 PM
Moon Transit: 10:36 PM
Moonset: 3:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

9:27 AM - 11:57 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

Thursday, May 28, 2026

Weather Forecast

Partly Cloudy
70°F
41.8°F
51.2°F
87%
0 in
0%
0%
8.3 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 2.62 μg/m3
PM10: 2.76 μg/m3
Carbon Monoxide: 124.83 μg/m3
Nitrogen Dioxide: 2.99 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 69.77 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 1:05 PM
Sunset: 8:51 PM
Daylight: 15 hrs 30 mins
Moonrise: 6:43 PM
Moon Transit: 11:20 PM
Moonset: 3:29 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

10:11 AM - 12:41 AM
12:00 AM - 12:00 AM

Minor Periods

6:13 PM - 7:43 PM
2:59 AM - 4:29 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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