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

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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 / 0 meters

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 (109.6 km)
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 (95.0 mi)
Middle Branch Escanaba River, Humboldt, MI (96.6 mi)
Middle Branch Escanaba River, , MI (96.9 mi)
Lake Superior, Calumet, MI (97.0 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

15.1°F
Light snow
Conditions: Light snow
Humidity: 64%
Feels Like: -0.4°F
Wind: NW 15.7 mph
Wind Gusts: 18.3 mph
Pressure: 29.86 in
Precipitation: 0.01 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0.5

Five Day Weather Forecast

Light freezing rain
Sat
H: 18°F
L: 13°F
Overcast
Sun
H: 20°F
L: 17°F
Light freezing rain
Mon
H: 22°F
L: 19°F
Moderate snow
Tue
H: 27°F
L: 20°F
Blizzard
Wed
H: 28°F
L: 20°F

Air Quality

AQI: 1 - Good
PM2.5: 1.08 μg/m3
PM10: 1.28 μg/m3
Carbon Monoxide: 150.68 μg/m3
Nitrogen Dioxide: 1.08 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 8:20 AM
Sun Transit: 12:37 AM
Sunset: 4:55 PM
Daylight: 8 hrs 35 mins
Moonrise: 6:28 PM
Moon Transit: 2:00 AM
Moonset: 10:42 AM
Moon Phase: Full
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

1:30 AM - 4:00 AM
2:30 PM - 5:00 PM

Minor Periods

5:58 PM - 7:28 PM
10:12 AM - 11:42 AM

Action Rating: 4 out of 5

Saturday, December 6, 2025

Weather Forecast

Conditions: Light freezing rain
Average Temperature: 17.1°F
Average Humidity: 75%
Chance of Rain: 88%
Wind: 27.3 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 1.07 μg/m3
PM10: 1.13 μg/m3
Carbon Monoxide: 168.72 μg/m3
Nitrogen Dioxide: 1.16 μg/m3
Sulphur Dioxide: 1.02 μg/m3
Ozone: 75.96 μg/m3

Astronomical

Sunrise: 8:20 AM
Sun Transit: 12:37 AM
Sunset: 4:55 PM
Daylight: 8 hrs 35 mins
Moonrise: 6:28 PM
Moon Transit: 2:00 AM
Moonset: 10:42 AM
Moon Phase: Full
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

1:30 AM - 4:00 AM
2:30 PM - 5:00 PM

Minor Periods

5:58 PM - 7:28 PM
10:12 AM - 11:42 AM

Action Rating: 4 out of 5

Sunday, December 7, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 18.8°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 21.5 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 1.22 μg/m3
PM10: 1.4 μg/m3
Carbon Monoxide: 144.52 μg/m3
Nitrogen Dioxide: 0.97 μg/m3
Sulphur Dioxide: 1.02 μg/m3
Ozone: 79.88 μg/m3

Astronomical

Sunrise: 8:21 AM
Sun Transit: 12:38 AM
Sunset: 4:55 PM
Daylight: 8 hrs 34 mins
Moonrise: 7:50 PM
Moon Transit: 3:04 AM
Moonset: 11:27 AM
Moon Phase: Waning Gibbous
Moon Illumination: 90.5%

Best Times for Fishing or Hunting

Major Periods

2:34 AM - 5:04 AM
3:33 PM - 6:03 PM

Minor Periods

7:20 PM - 8:50 PM
10:57 AM - 12:27 AM

Action Rating: 2 out of 5

Monday, December 8, 2025

Weather Forecast

Conditions: Light freezing rain
Average Temperature: 21°F
Average Humidity: 72%
Chance of Rain: 88%
Wind: 20.1 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 1.22 μg/m3
PM10: 1.45 μg/m3
Carbon Monoxide: 141.76 μg/m3
Nitrogen Dioxide: 1.1 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 80.4 μg/m3

Astronomical

Sunrise: 8:22 AM
Sun Transit: 12:38 AM
Sunset: 4:55 PM
Daylight: 8 hrs 33 mins
Moonrise: 9:13 PM
Moon Transit: 4:03 AM
Moonset: 12:00 AM
Moon Phase: Waning Gibbous
Moon Illumination: 82.8%

Best Times for Fishing or Hunting

Major Periods

3:33 AM - 6:03 AM
4:30 PM - 7:00 PM

Minor Periods

8:43 PM - 10:13 PM
11:30 AM - 1:00 PM

Action Rating: 3 out of 5

Tuesday, December 9, 2025

Weather Forecast

Conditions: Moderate snow
Average Temperature: 24.6°F
Average Humidity: 86%
Chance of Rain: 76%
Wind: 20.1 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 1.46 μg/m3
PM10: 1.66 μg/m3
Carbon Monoxide: 151.17 μg/m3
Nitrogen Dioxide: 1.83 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 80.48 μg/m3

Astronomical

Sunrise: 8:23 AM
Sun Transit: 12:38 AM
Sunset: 4:55 PM
Daylight: 8 hrs 32 mins
Moonrise: 10:33 PM
Moon Transit: 4:57 AM
Moonset: 12:24 AM
Moon Phase: Waning Gibbous
Moon Illumination: 73.5%

Best Times for Fishing or Hunting

Major Periods

4:27 AM - 6:57 AM
5:20 PM - 7:50 PM

Minor Periods

10:03 PM - 11:33 PM
11:54 AM - 1:24 PM

Action Rating: 3 out of 5

Wednesday, December 10, 2025

Weather Forecast

Conditions: Blizzard
Average Temperature: 26.1°F
Average Humidity: 88%
Chance of Rain: 66%
Wind: 34.7 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 0.86 μg/m3
PM10: 0.89 μg/m3
Carbon Monoxide: 151.45 μg/m3
Nitrogen Dioxide: 1.17 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 78 μg/m3

Astronomical

Sunrise: 8:24 AM
Sun Transit: 12:39 AM
Sunset: 4:55 PM
Daylight: 8 hrs 31 mins
Moonrise: 11:46 PM
Moon Transit: 5:45 AM
Moonset: 12:42 AM
Moon Phase: Waning Gibbous
Moon Illumination: 63.0%

Best Times for Fishing or Hunting

Major Periods

5:15 AM - 7:45 AM
6:06 PM - 8:36 PM

Minor Periods

12:00 AM - 12:00 AM
12:12 AM - 1:42 PM

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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