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

3.9°F
Light snow
Light snow
-16°F
0.2°F
72%
NW 18.1 mph
21.8 mph
-19.5°F
-5.3°F
0.02 in
0%
0 mi
1015 mbar
0

Five Day Weather Forecast

Light snow
Tue
H: 15°F
L: -0°F
Moderate or heavy snow showers
Wed
H: 20°F
L: 17°F
Moderate or heavy snow showers
Thu
H: 15°F
L: -1°F
Blizzard
Fri
H: 24°F
L: -6°F
Light snow showers
Sat
H: 11°F
L: 1°F

Air Quality

PM2.5: 1.18 μg/m3
PM10: 1.28 μg/m3
Carbon Monoxide: 149.68 μg/m3
Nitrogen Dioxide: 1.08 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 75 μg/m3

Astronomical

Sunrise: 8:26 AM
Sun Transit: 12:57 AM
Sunset: 5:29 PM
Daylight: 9 hrs 3 mins
Moonrise: 9:37 AM
Moon Transit: 2:32 PM
Moonset: 7:39 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

2:07 AM - 4:37 AM
2:02 PM - 4:32 PM

Minor Periods

7:09 PM - 8:39 PM
9:07 AM - 10:37 AM

Action Rating: 3 out of 5

Winter Weather Advisory issued January 19 at 2:46PM EST until January 20 at 7:00AM EST by NWS Marquette MI

Effective: Mon January 19, 2026, 2:46 PM
Expires: Tue January 20, 2026, 12:15 AM

* WHAT...Lake effect snow and blowing snow. Additional snow accumulations between 2 and 4 inches. Winds gusting as high as 35 mph. * WHERE...Keweenaw and Northern Houghton Counties. * WHEN...Until 7 AM EST Tuesday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Monday evening and Tuesday morning commutes.

Slow down and use caution while traveling.


Cold Weather Advisory issued January 19 at 2:26PM EST until January 20 at 9:00AM EST by NWS Marquette MI

Effective: Mon January 19, 2026, 2:26 PM
Expires: Tue January 20, 2026, 12:00 AM

* WHAT...Very cold wind chills as low as 25 below. * WHERE...Keweenaw and Northern Houghton Counties. * WHEN...Until 9 AM EST Tuesday. * IMPACTS...The dangerously cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Tuesday, January 20, 2026

Weather Forecast

Light snow
15.4°F
-0.2°F
8.7°F
83%
0.52 in
73%
34%
28.6 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 1.27 μg/m3
PM10: 1.34 μg/m3
Carbon Monoxide: 149.24 μg/m3
Nitrogen Dioxide: 1.13 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 76.08 μg/m3

Astronomical

Sunrise: 8:26 AM
Sun Transit: 12:57 AM
Sunset: 5:29 PM
Daylight: 9 hrs 3 mins
Moonrise: 9:37 AM
Moon Transit: 2:32 PM
Moonset: 7:39 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

2:07 AM - 4:37 AM
2:02 PM - 4:32 PM

Minor Periods

7:09 PM - 8:39 PM
9:07 AM - 10:37 AM

Action Rating: 3 out of 5

Wednesday, January 21, 2026

Weather Forecast

Moderate or heavy snow showers
20.3°F
16.5°F
18.4°F
87%
0.92 in
87%
34%
24.2 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 3.21 μg/m3
PM10: 3.38 μg/m3
Carbon Monoxide: 156.47 μg/m3
Nitrogen Dioxide: 2.71 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 72.52 μg/m3

Astronomical

Sunrise: 8:25 AM
Sun Transit: 12:57 AM
Sunset: 5:31 PM
Daylight: 9 hrs 6 mins
Moonrise: 9:55 AM
Moon Transit: 3:17 PM
Moonset: 8:54 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%

Best Times for Fishing or Hunting

Major Periods

2:53 AM - 5:23 AM
2:47 PM - 5:17 PM

Minor Periods

8:24 PM - 9:54 PM
9:25 AM - 10:55 AM

Action Rating: 3 out of 5

Thursday, January 22, 2026

Weather Forecast

Moderate or heavy snow showers
14.7°F
-1°F
9.8°F
88%
0.44 in
87%
25%
33.3 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 1.52 μg/m3
PM10: 1.62 μg/m3
Carbon Monoxide: 160.97 μg/m3
Nitrogen Dioxide: 1.36 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 69.56 μg/m3

Astronomical

Sunrise: 8:24 AM
Sun Transit: 12:58 AM
Sunset: 5:32 PM
Daylight: 9 hrs 8 mins
Moonrise: 10:11 AM
Moon Transit: 12:00 AM
Moonset: 10:08 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:38 AM - 6:08 AM

Minor Periods

9:38 PM - 11:08 PM
9:41 AM - 11:11 AM

Action Rating: 2 out of 5

Friday, January 23, 2026

Weather Forecast

Blizzard
23.6°F
-5.8°F
2.4°F
92%
0.22 in
66%
62%
29.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 0.86 μg/m3
PM10: 0.93 μg/m3
Carbon Monoxide: 156.75 μg/m3
Nitrogen Dioxide: 0.92 μg/m3
Sulphur Dioxide: 0.79 μg/m3
Ozone: 64.08 μg/m3

Astronomical

Sunrise: 8:23 AM
Sun Transit: 12:58 AM
Sunset: 5:34 PM
Daylight: 9 hrs 10 mins
Moonrise: 10:27 AM
Moon Transit: 9:54 AM
Moonset: 11:23 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%

Best Times for Fishing or Hunting

Major Periods

4:22 AM - 6:52 AM
9:24 AM - 11:54 AM

Minor Periods

12:00 AM - 12:00 AM
9:57 AM - 11:27 AM

Action Rating: 2 out of 5

Saturday, January 24, 2026

Weather Forecast

Light snow showers
11.4°F
1.4°F
5.7°F
86%
0.11 in
73%
72%
23.3 mph
1


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: 8:22 AM
Sun Transit: 12:58 AM
Sunset: 5:35 PM
Daylight: 9 hrs 13 mins
Moonrise: 10:43 AM
Moon Transit: 5:33 PM
Moonset: 12:23 AM
Moon Phase: First Quarter
Moon Illumination: 34.7%

Best Times for Fishing or Hunting

Major Periods

5:08 AM - 7:38 AM
5:03 PM - 7:33 PM

Minor Periods

10:13 AM - 11:43 AM
12:00 AM - 12:00 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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