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

79.2°F
Sunny
Sunny
78.5°F
79.8°F
43%
WSW 9.8 mph
16 mph
80.8°F
50.1°F
0 in
0%
9 mi
1018 mbar
1.3

Five Day Weather Forecast

Sunny
Thu
H: 81°F
L: 58°F
Sunny
Fri
H: 80°F
L: 59°F
Sunny
Sat
H: 91°F
L: 68°F
Sunny
Sun
H: 70°F
L: 59°F
Mist
Mon
H: 73°F
L: 58°F

Air Quality

AQI: 1 - Good
PM2.5: 12.5 μg/m3
PM10: 12.9 μg/m3
Carbon Monoxide: 201 μg/m3
Nitrogen Dioxide: 2.7 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 108 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:14 PM
Sunset: 8:51 PM
Daylight: 15 hrs 13 mins
Moonrise: 4:40 PM
Moon Transit: 8:48 PM
Moonset: 12:23 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

7:37 AM - 10:07 AM
8:18 PM - 10:48 PM

Minor Periods

4:10 PM - 5:40 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Small Craft Advisory issued July 23 at 1:51AM CDT until July 23 at 4:00PM CDT by NWS Duluth MN

Effective: Thu July 23, 2026, 1:51 AM
Expires: Thu July 23, 2026, 2:00 PM

* WHAT...Southwest winds 10 to 20 kt with gusts to 25 kt and waves 1 to 2 ft expected. * WHERE...Port Wing to Sand Island WI, Sand Island to Bayfield WI and Outer Apostle Islands Beyond 5 NM from Mainland. * WHEN...From 10 AM this morning to 4 PM CDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft.

Anyone operating a smaller vessel should avoid navigating in hazardous conditions.


Small Craft Advisory issued July 23 at 2:59PM CDT until July 23 at 9:00PM CDT by NWS Duluth MN

Effective: Thu July 23, 2026, 2:59 PM
Expires: Thu July 23, 2026, 9:00 PM

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt. * WHERE...Port Wing to Sand Island WI, Sand Island to Bayfield WI and Outer Apostle Islands Beyond 5 NM from Mainland. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft.

Anyone operating a smaller vessel should avoid navigating in hazardous conditions.


Small Craft Advisory issued July 23 at 11:36AM CDT until July 23 at 4:00PM CDT by NWS Duluth MN

Effective: Thu July 23, 2026, 11:36 AM
Expires: Thu July 23, 2026, 4:00 PM

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 2 ft. * WHERE...Port Wing to Sand Island WI, Sand Island to Bayfield WI and Outer Apostle Islands Beyond 5 NM from Mainland. * WHEN...Until 4 PM CDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft.

Anyone operating a smaller vessel should avoid navigating in hazardous conditions.
Thursday, July 23, 2026

Weather Forecast

Sunny
80.8°F
57.9°F
68.7°F
59%
0 in
3%
0%
11.4 mph
7.7


Air Quality

AQI: 1 - Good
PM2.5: 9.85 μg/m3
PM10: 10.16 μg/m3
Carbon Monoxide: 162.79 μg/m3
Nitrogen Dioxide: 4.44 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 83.25 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:14 PM
Sunset: 8:51 PM
Daylight: 15 hrs 13 mins
Moonrise: 4:40 PM
Moon Transit: 8:48 PM
Moonset: 12:23 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

7:37 AM - 10:07 AM
8:18 PM - 10:48 PM

Minor Periods

4:10 PM - 5:40 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, July 24, 2026

Weather Forecast

Sunny
79.7°F
59.4°F
71.3°F
65%
0.01 in
36%
0%
16.6 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 6.75 μg/m3
PM10: 6.95 μg/m3
Carbon Monoxide: 143.17 μg/m3
Nitrogen Dioxide: 3.8 μg/m3
Sulphur Dioxide: 0.81 μg/m3
Ozone: 97.75 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:14 PM
Sunset: 8:50 PM
Daylight: 15 hrs 11 mins
Moonrise: 5:43 PM
Moon Transit: 9:38 PM
Moonset: 12:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

8:26 AM - 10:56 AM
9:08 PM - 11:38 PM

Minor Periods

5:13 PM - 6:43 PM
12:23 AM - 1:53 AM

Action Rating: 3 out of 5

Saturday, July 25, 2026

Weather Forecast

Sunny
90.6°F
67.6°F
77.6°F
66%
0.01 in
17%
0%
14.8 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 8.3 μg/m3
PM10: 8.56 μg/m3
Carbon Monoxide: 136.54 μg/m3
Nitrogen Dioxide: 4.99 μg/m3
Sulphur Dioxide: 0.85 μg/m3
Ozone: 105.67 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:14 PM
Sunset: 8:49 PM
Daylight: 15 hrs 9 mins
Moonrise: 6:41 PM
Moon Transit: 10:29 PM
Moonset: 1:31 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

9:17 AM - 11:47 AM
12:00 AM - 12:00 AM

Minor Periods

6:11 PM - 7:41 PM
1:01 AM - 2:31 AM

Action Rating: 2 out of 5

Sunday, July 26, 2026

Weather Forecast

Sunny
69.5°F
58.5°F
63.9°F
87%
0.01 in
25%
0%
9.8 mph
5.6


Air Quality

AQI: 1 - Good
PM2.5: 10.13 μg/m3
PM10: 10.38 μg/m3
Carbon Monoxide: 140.77 μg/m3
Nitrogen Dioxide: 6.16 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 97.83 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:14 PM
Sunset: 8:48 PM
Daylight: 15 hrs 6 mins
Moonrise: 7:29 PM
Moon Transit: 11:21 PM
Moonset: 2:19 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

10:08 AM - 12:38 AM
12:00 AM - 12:00 AM

Minor Periods

6:59 PM - 8:29 PM
1:49 AM - 3:19 AM

Action Rating: 3 out of 5

Monday, July 27, 2026

Weather Forecast

Mist
73°F
57.6°F
63.9°F
89%
0.13 in
75%
0%
13.4 mph
7.3


Air Quality

AQI: 1 - Good
PM2.5: 3.71 μg/m3
PM10: 3.81 μg/m3
Carbon Monoxide: 192.88 μg/m3
Nitrogen Dioxide: 4.66 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 85.5 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 1:14 PM
Sunset: 8:46 PM
Daylight: 15 hrs 4 mins
Moonrise: 8:08 PM
Moon Transit: 12:00 AM
Moonset: 3:16 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:59 AM - 1:29 PM

Minor Periods

7:38 PM - 9:08 PM
2:46 AM - 4:16 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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