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

27°F
Overcast
Overcast
17.8°F
23°F
72%
NW 9.4 mph
14.1 mph
13.6°F
14.5°F
0 in
0%
6 mi
1023 mbar
0

Five Day Weather Forecast

Light freezing rain
Mon
H: 28°F
L: 22°F
Cloudy
Tue
H: 35°F
L: 27°F
Light rain
Wed
H: 36°F
L: 29°F
Blizzard
Thu
H: 29°F
L: 23°F
Blowing snow
Fri
H: 21°F
L: 16°F

Air Quality

PM2.5: 1.18 μg/m3
PM10: 1.28 μg/m3
Carbon Monoxide: 175.68 μg/m3
Nitrogen Dioxide: 0.88 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 92 μg/m3

Astronomical

Sunrise: 7:43 AM
Sun Transit: 12:00 AM
Sunset: 8:04 PM
Daylight: 12 hrs 21 mins
Moonrise: 9:35 AM
Moon Transit: 6:03 PM
Moonset: 1:23 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

5:30 AM - 8:00 AM
5:33 PM - 8:03 PM

Minor Periods

9:05 AM - 10:35 AM
12:53 AM - 2:23 AM

Action Rating: 4 out of 5

Monday, March 23, 2026

Weather Forecast

Light freezing rain
28°F
22.1°F
25.3°F
70%
0.01 in
85%
14%
16.6 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 1.77 μg/m3
PM10: 2.2 μg/m3
Carbon Monoxide: 176.76 μg/m3
Nitrogen Dioxide: 0.92 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 93.52 μg/m3

Astronomical

Sunrise: 7:43 AM
Sun Transit: 12:00 AM
Sunset: 8:04 PM
Daylight: 12 hrs 21 mins
Moonrise: 9:35 AM
Moon Transit: 6:03 PM
Moonset: 1:23 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

5:30 AM - 8:00 AM
5:33 PM - 8:03 PM

Minor Periods

9:05 AM - 10:35 AM
12:53 AM - 2:23 AM

Action Rating: 4 out of 5

Tuesday, March 24, 2026

Weather Forecast

Cloudy
34.7°F
26.5°F
31.7°F
78%
0 in
0%
0%
28.4 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 1.6 μg/m3
PM10: 1.94 μg/m3
Carbon Monoxide: 160.64 μg/m3
Nitrogen Dioxide: 1.04 μg/m3
Sulphur Dioxide: 0.77 μg/m3
Ozone: 97.04 μg/m3

Astronomical

Sunrise: 7:41 AM
Sun Transit: 12:00 AM
Sunset: 8:05 PM
Daylight: 12 hrs 24 mins
Moonrise: 10:22 AM
Moon Transit: 7:05 PM
Moonset: 2:43 AM
Moon Phase: Waxing Crescent
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

6:32 AM - 9:02 AM
6:35 PM - 9:05 PM

Minor Periods

9:52 AM - 11:22 AM
2:13 AM - 3:43 AM

Action Rating: 2 out of 5

Wednesday, March 25, 2026

Weather Forecast

Light rain
35.6°F
28.8°F
32.1°F
93%
0.59 in
89%
18%
20.8 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 1.19 μg/m3
PM10: 1.43 μg/m3
Carbon Monoxide: 157.73 μg/m3
Nitrogen Dioxide: 0.88 μg/m3
Sulphur Dioxide: 0.75 μg/m3
Ozone: 88.48 μg/m3

Astronomical

Sunrise: 7:39 AM
Sun Transit: 12:00 AM
Sunset: 8:07 PM
Daylight: 12 hrs 28 mins
Moonrise: 11:24 AM
Moon Transit: 8:08 PM
Moonset: 3:52 AM
Moon Phase: First Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

7:35 AM - 10:05 AM
7:38 PM - 10:08 PM

Minor Periods

10:54 AM - 12:24 AM
3:22 AM - 4:52 AM

Action Rating: 4 out of 5

Thursday, March 26, 2026

Weather Forecast

Blizzard
29.4°F
23.4°F
27.1°F
89%
0.55 in
64%
70%
27.1 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 1.82 μg/m3
PM10: 2.04 μg/m3
Carbon Monoxide: 177.12 μg/m3
Nitrogen Dioxide: 1.51 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 89.23 μg/m3

Astronomical

Sunrise: 7:37 AM
Sun Transit: 12:00 AM
Sunset: 8:08 PM
Daylight: 12 hrs 31 mins
Moonrise: 12:38 AM
Moon Transit: 9:08 PM
Moonset: 4:45 AM
Moon Phase: First Quarter
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

8:37 AM - 11:07 AM
8:38 PM - 11:08 PM

Minor Periods

12:08 AM - 1:38 PM
4:15 AM - 5:45 AM

Action Rating: 2 out of 5

Friday, March 27, 2026

Weather Forecast

Blowing snow
21°F
16°F
19.3°F
67%
0.02 in
62%
64%
26.6 mph
0


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:35 AM
Sun Transit: 12:00 AM
Sunset: 8:09 PM
Daylight: 12 hrs 35 mins
Moonrise: 1:58 PM
Moon Transit: 10:03 PM
Moonset: 5:23 AM
Moon Phase: First Quarter
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

9:34 AM - 12:04 AM
12:00 AM - 12:00 AM

Minor Periods

1:28 PM - 2:58 PM
4:53 AM - 6:23 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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