Water Temperature of Lake Superior Near Copper Harbor, MI

Current Water Temperature

40.1°F

Measurement Time: Tuesday, December 2, 2025, 1:20 PM EST

Temperature Locations

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Local Points of Interest

Quebec Harbour

Lake Superior

Station Name: EAST SUPERIOR -70 NM NE Marquette, MI
Station Type: Other
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet

Nearest Address:
Offshore
Copper Harbor, MI 49918
Keweenaw County

GPS Coordinates: 47.585, -86.585

Nearby Water Temperatures

Lake Superior, Isle Royale, MI (61.5 mi)
Lake Superior, Terrace Bay Township, ON (68.1 mi)
Miners River, Munising, MI (75.8 mi)
Lake Superior, Marquette, MI (80.9 mi)
East Branch Salmon Trout River, Powell, MI (81.2 mi)
Salmon Trout River, Champion, MI (82.2 mi)
Keweenaw Bay, Jacobsville, MI (95 mi)
Middle Branch Escanaba River, Humboldt, MI (96.6 mi)
Middle Branch Escanaba River, , MI (96.9 mi)
Lake Superior, Calumet, MI (97 mi)
Pilgrim River, Houghton, MI (98.3 mi)
Falls River, L'Anse, MI (105.2 mi)
Sturgeon River, Pelkie, MI (114.2 mi)
Seul Choix Bay, Port Inland, MI (116.6 mi)
Escanaba River, Cornell, MI (119.6 mi)

Weather Near Copper Harbor, Michigan

Current Weather

35.1°F
Sunny
Sunny
23.9°F
30.2°F
66%
W 20.1 mph
28.8 mph
19.4°F
23.5°F
0 in
0%
6 mi
1012 mbar
0.6

Five Day Weather Forecast

Partly Cloudy
Fri
H: 33°F
L: 24°F
Freezing fog
Sat
H: 28°F
L: 22°F
Freezing fog
Sun
H: 29°F
L: 26°F
Moderate snow
Mon
H: 32°F
L: 28°F
Patchy moderate snow
Tue
H: 33°F
L: 27°F

Air Quality

AQI: 1 - Good
PM2.5: 6.78 μg/m3
PM10: 7.18 μg/m3
Carbon Monoxide: 196.68 μg/m3
Nitrogen Dioxide: 2.58 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 7:55 AM
Sun Transit: 1:00 PM
Sunset: 6:07 PM
Daylight: 10 hrs 12 mins
Moonrise: 6:10 AM
Moon Transit: 9:55 AM
Moonset: 1:44 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:25 AM - 11:55 AM

Minor Periods

1:14 PM - 2:44 PM
5:40 AM - 7:10 AM

Action Rating: 2 out of 5

Friday, February 13, 2026

Weather Forecast

Partly Cloudy
32.7°F
24.4°F
28.8°F
77%
0 in
0%
0%
20.1 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 4.81 μg/m3
PM10: 5.07 μg/m3
Carbon Monoxide: 178.04 μg/m3
Nitrogen Dioxide: 2.36 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 77.24 μg/m3

Astronomical

Sunrise: 7:55 AM
Sun Transit: 1:00 PM
Sunset: 6:07 PM
Daylight: 10 hrs 12 mins
Moonrise: 6:10 AM
Moon Transit: 9:55 AM
Moonset: 1:44 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:25 AM - 11:55 AM

Minor Periods

1:14 PM - 2:44 PM
5:40 AM - 7:10 AM

Action Rating: 2 out of 5

Saturday, February 14, 2026

Weather Forecast

Freezing fog
28.2°F
22.1°F
25.9°F
96%
0 in
0%
0%
9.4 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 2.38 μg/m3
PM10: 2.47 μg/m3
Carbon Monoxide: 192.04 μg/m3
Nitrogen Dioxide: 2.08 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 67.96 μg/m3

Astronomical

Sunrise: 7:53 AM
Sun Transit: 1:00 PM
Sunset: 6:08 PM
Daylight: 10 hrs 15 mins
Moonrise: 6:48 AM
Moon Transit: 10:47 AM
Moonset: 2:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:17 AM - 12:47 AM

Minor Periods

2:23 PM - 3:53 PM
6:18 AM - 7:48 AM

Action Rating: 3 out of 5

Sunday, February 15, 2026

Weather Forecast

Freezing fog
28.8°F
26.4°F
27.6°F
97%
0 in
0%
0%
15 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 7.96 μg/m3
PM10: 8.27 μg/m3
Carbon Monoxide: 189.76 μg/m3
Nitrogen Dioxide: 3.79 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 63.96 μg/m3

Astronomical

Sunrise: 7:52 AM
Sun Transit: 1:00 PM
Sunset: 6:10 PM
Daylight: 10 hrs 18 mins
Moonrise: 7:18 AM
Moon Transit: 11:37 AM
Moonset: 4:07 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:07 AM - 1:37 PM

Minor Periods

3:37 PM - 5:07 PM
6:48 AM - 8:18 AM

Action Rating: 3 out of 5

Monday, February 16, 2026

Weather Forecast

Moderate snow
32.2°F
27.5°F
30.1°F
95%
0.04 in
78%
25%
9.4 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 4.28 μg/m3
PM10: 4.65 μg/m3
Carbon Monoxide: 171.89 μg/m3
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 70.8 μg/m3

Astronomical

Sunrise: 7:50 AM
Sun Transit: 1:00 PM
Sunset: 6:12 PM
Daylight: 10 hrs 22 mins
Moonrise: 7:41 AM
Moon Transit: 12:26 AM
Moonset: 5:22 PM
Moon Phase: New
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 2:30 AM
11:56 AM - 2:26 PM

Minor Periods

4:52 PM - 6:22 PM
7:11 AM - 8:41 AM

Action Rating: 4 out of 5

Tuesday, February 17, 2026

Weather Forecast

Patchy moderate snow
32.8°F
26.6°F
30.3°F
91%
0.04 in
83%
29%
23.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.79 μg/m3
PM10: 3.42 μg/m3
Carbon Monoxide: 159.25 μg/m3
Nitrogen Dioxide: 1.37 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 82.92 μg/m3

Astronomical

Sunrise: 7:48 AM
Sun Transit: 1:00 PM
Sunset: 6:13 PM
Daylight: 10 hrs 25 mins
Moonrise: 8:01 AM
Moon Transit: 1:13 PM
Moonset: 6:38 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:48 AM - 3:18 AM
12:43 AM - 3:13 PM

Minor Periods

6:08 PM - 7:38 PM
7:31 AM - 9:01 AM

Action Rating: 5 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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