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

46.9°F
Light rain
Light rain
47°F
56.1°F
100%
ENE 2.2 mph
4.1 mph
54.7°F
50.1°F
0.02 in
75%
8 mi
998 mbar
0

Five Day Weather Forecast

Moderate rain
Wed
H: 57°F
L: 48°F
Partly Cloudy
Thu
H: 66°F
L: 47°F
Patchy rain nearby
Fri
H: 64°F
L: 43°F
Sunny
Sat
H: 68°F
L: 44°F
Sunny
Sun
H: 56°F
L: 44°F

Air Quality

AQI: 1 - Good
PM2.5: 3.7 μg/m3
PM10: 4.9 μg/m3
Carbon Monoxide: 103 μg/m3
Nitrogen Dioxide: 4.3 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 60 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 1:09 PM
Sunset: 9:05 PM
Daylight: 15 hrs 51 mins
Moonrise: 7:54 AM
Moon Transit: 3:56 PM
Moonset: 12:09 AM
Moon Phase: Waxing Crescent
Moon Illumination: 4.6%

Best Times for Fishing or Hunting

Major Periods

2:40 AM - 5:10 AM
3:26 PM - 5:56 PM

Minor Periods

7:24 AM - 8:54 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Small Craft Advisory issued June 16 at 9:52PM CDT until June 18 at 1:00AM CDT by NWS Duluth MN

Effective: Tue June 16, 2026, 9:52 PM
Expires: Wed June 17, 2026, 10:00 AM

* WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Two Harbors to Duluth MN and Duluth MN to Port Wing WI. * WHEN...From 11 AM Wednesday to 1 AM CDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

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


Small Craft Advisory issued June 16 at 1:09PM CDT until June 18 at 1:00AM CDT by NWS Duluth MN

Effective: Tue June 16, 2026, 1:09 PM
Expires: Wed June 17, 2026, 4:00 AM

* WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 5 ft expected. * WHERE...Two Harbors to Duluth MN and Duluth MN to Port Wing WI. * WHEN...From 11 AM Wednesday to 1 AM CDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

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


Small Craft Advisory issued June 17 at 1:41AM CDT until June 18 at 1:00AM CDT by NWS Duluth MN

Effective: Wed June 17, 2026, 1:41 AM
Expires: Wed June 17, 2026, 1:45 PM

* WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Two Harbors to Duluth MN and Duluth MN to Port Wing WI. * WHEN...From 11 AM this morning to 1 AM CDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

Anyone operating a smaller vessel should avoid navigating in hazardous conditions.
Wednesday, June 17, 2026

Weather Forecast

Moderate rain
57°F
48°F
54.6°F
89%
0.61 in
86%
0%
9.6 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 2.84 μg/m3
PM10: 3.33 μg/m3
Carbon Monoxide: 106.08 μg/m3
Nitrogen Dioxide: 3.3 μg/m3
Sulphur Dioxide: 0.38 μg/m3
Ozone: 61.83 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 1:09 PM
Sunset: 9:05 PM
Daylight: 15 hrs 51 mins
Moonrise: 7:54 AM
Moon Transit: 3:56 PM
Moonset: 12:09 AM
Moon Phase: Waxing Crescent
Moon Illumination: 4.6%

Best Times for Fishing or Hunting

Major Periods

2:40 AM - 5:10 AM
3:26 PM - 5:56 PM

Minor Periods

7:24 AM - 8:54 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, June 18, 2026

Weather Forecast

Partly Cloudy
65.8°F
47.2°F
56.1°F
70%
0 in
8%
0%
14.3 mph
7.3


Air Quality

AQI: 1 - Good
PM2.5: 2.97 μg/m3
PM10: 3.23 μg/m3
Carbon Monoxide: 112.79 μg/m3
Nitrogen Dioxide: 3.38 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 58.29 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 1:09 PM
Sunset: 9:05 PM
Daylight: 15 hrs 51 mins
Moonrise: 9:18 AM
Moon Transit: 4:51 PM
Moonset: 12:42 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

3:37 AM - 6:07 AM
4:21 PM - 6:51 PM

Minor Periods

8:48 AM - 10:18 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, June 19, 2026

Weather Forecast

Patchy rain nearby
64.4°F
42.8°F
54.1°F
75%
0.07 in
57%
0%
9.4 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 3.18 μg/m3
PM10: 3.23 μg/m3
Carbon Monoxide: 117.13 μg/m3
Nitrogen Dioxide: 5.25 μg/m3
Sulphur Dioxide: 0.77 μg/m3
Ozone: 57.75 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 1:09 PM
Sunset: 9:05 PM
Daylight: 15 hrs 52 mins
Moonrise: 10:39 AM
Moon Transit: 5:40 PM
Moonset: 12:07 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

4:30 AM - 7:00 AM
5:10 PM - 7:40 PM

Minor Periods

10:09 AM - 11:39 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, June 20, 2026

Weather Forecast

Sunny
68.1°F
44°F
55.8°F
70%
0 in
7%
0%
9.4 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 2.36 μg/m3
PM10: 2.4 μg/m3
Carbon Monoxide: 124.14 μg/m3
Nitrogen Dioxide: 3.73 μg/m3
Sulphur Dioxide: 0.59 μg/m3
Ozone: 58.21 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 1:09 PM
Sunset: 9:06 PM
Daylight: 15 hrs 52 mins
Moonrise: 11:54 AM
Moon Transit: 6:26 PM
Moonset: 12:27 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%

Best Times for Fishing or Hunting

Major Periods

5:17 AM - 7:47 AM
5:56 PM - 8:26 PM

Minor Periods

11:24 AM - 12:54 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, June 21, 2026

Weather Forecast

Sunny
55.8°F
44.4°F
50.4°F
74%
0 in
8%
0%
13.2 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 1.88 μg/m3
PM10: 1.89 μg/m3
Carbon Monoxide: 129.13 μg/m3
Nitrogen Dioxide: 5.91 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 41.38 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 1:10 PM
Sunset: 9:06 PM
Daylight: 15 hrs 52 mins
Moonrise: 1:06 PM
Moon Transit: 7:09 PM
Moonset: 12:44 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

6:01 AM - 8:31 AM
6:39 PM - 9:09 PM

Minor Periods

12:36 AM - 2:06 PM
12:14 AM - 1:44 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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