Water Temperature of Lake Superior Near Copper Harbor, MI

Current Water Temperature

41.2°F

Measurement Time: Wednesday, November 26, 2025, 7:30 AM 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

34°F
Patchy rain nearby
Conditions: Patchy rain nearby
Humidity: 96%
Feels Like: 20.6°F
Wind: NE 28.4 mph
Wind Gusts: 33 mph
Pressure: 29.46 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 0 mi
UV Index: 0

Five Day Weather Forecast

Blowing snow
Wed
H: 35°F
L: 28°F
Moderate or heavy snow showers
Thu
H: 31°F
L: 28°F
Overcast
Fri
H: 26°F
L: 25°F
Patchy moderate snow
Sat
H: 29°F
L: 26°F
Blizzard
Sun
H: 32°F
L: 26°F

Air Quality

AQI: 1 - Good
PM2.5: 0.68 μg/m3
PM10: 0.78 μg/m3
Carbon Monoxide: 183.68 μg/m3
Nitrogen Dioxide: 0.78 μg/m3
Sulphur Dioxide: 0.78 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 8:08 AM
Sun Transit: 12:33 AM
Sunset: 5:00 PM
Daylight: 8 hrs 52 mins
Moonrise: 1:06 PM
Moon Transit: 5:50 PM
Moonset: 10:45 PM
Moon Phase: First Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

5:25 AM - 7:55 AM
5:20 PM - 7:50 PM

Minor Periods

10:15 PM - 11:45 PM
12:36 AM - 2:06 PM

Action Rating: 4 out of 5

Lakeshore Flood Advisory issued November 25 at 2:45PM EST until November 27 at 1:00PM EST by NWS Marquette MI

Effective: Tue November 25, 2025, 2:45 PM
Expires: Wed November 26, 2025, 7:00 AM

* WHAT...Minor lakeshore flooding expected. * WHERE...Keweenaw County. * WHEN...From 4 AM Wednesday to 1 PM EST Thursday. * IMPACTS...Some water on low lying roads and property along the lakeshore.

Residents on or near the shore should take appropriate action to protect property from rising water levels.


Blizzard Warning issued November 26 at 1:28AM EST until November 27 at 7:00AM EST by NWS Marquette MI

Effective: Wed November 26, 2025, 1:28 AM
Expires: Wed November 26, 2025, 5:00 PM

* WHAT...Blizzard conditions. Additional snow accumulations between 12 and 29 inches, with the highest accumulations along the Spine of the Keweenaw, the higher terrain of Baraga County, near the Porkies and the higher elevations of Ontonagon County, and from Ironwood to Bergland Dam. Winds gusting as high as 55 mph. * WHERE...Baraga, Gogebic, Keweenaw, Northern Houghton, and Ontonagon Counties. * WHEN...Until 7 AM EST /6 AM CST/ Thursday. * IMPACTS...Travel could be very difficult to impossible. Widespread blowing snow will significantly reduce visibility. The hazardous conditions will impact the Wednesday morning and evening commutes. Strong winds could cause tree damage.

Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle.


Lakeshore Flood Advisory issued November 26 at 1:50AM EST until November 27 at 1:00PM EST by NWS Marquette MI

Effective: Wed November 26, 2025, 1:50 AM
Expires: Wed November 26, 2025, 5:00 PM

* WHAT...Minor lakeshore flooding expected. * WHERE...Keweenaw County. * WHEN...Until 1 PM EST Thursday. * IMPACTS...Some water on low lying roads and property along the lakeshore.

Residents on or near the shore should take appropriate action to protect property from rising water levels.
Wednesday, November 26, 2025

Weather Forecast

Conditions: Blowing snow
Average Temperature: 32.4°F
Average Humidity: 95%
Chance of Rain: 89%
Wind: 41.6 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 0.82 μg/m3
PM10: 0.89 μg/m3
Carbon Monoxide: 173.36 μg/m3
Nitrogen Dioxide: 0.83 μg/m3
Sulphur Dioxide: 0.81 μg/m3
Ozone: 74.64 μg/m3

Astronomical

Sunrise: 8:08 AM
Sun Transit: 12:33 AM
Sunset: 5:00 PM
Daylight: 8 hrs 52 mins
Moonrise: 1:06 PM
Moon Transit: 5:50 PM
Moonset: 10:45 PM
Moon Phase: First Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

5:25 AM - 7:55 AM
5:20 PM - 7:50 PM

Minor Periods

10:15 PM - 11:45 PM
12:36 AM - 2:06 PM

Action Rating: 4 out of 5

Thursday, November 27, 2025

Weather Forecast

Conditions: Moderate or heavy snow showers
Average Temperature: 30°F
Average Humidity: 80%
Chance of Rain: 66%
Wind: 38.7 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 1.49 μg/m3
PM10: 1.51 μg/m3
Carbon Monoxide: 142.28 μg/m3
Nitrogen Dioxide: 0.82 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 83.2 μg/m3

Astronomical

Sunrise: 8:09 AM
Sun Transit: 12:34 AM
Sunset: 4:59 PM
Daylight: 8 hrs 50 mins
Moonrise: 1:25 PM
Moon Transit: 6:36 PM
Moonset: 11:59 PM
Moon Phase: First Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

6:11 AM - 8:41 AM
6:06 PM - 8:36 PM

Minor Periods

12:00 AM - 12:00 AM
12:55 AM - 2:25 PM

Action Rating: 2 out of 5

Friday, November 28, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 26.3°F
Average Humidity: 72%
Chance of Rain: 0%
Wind: 28.4 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 1.75 μg/m3
PM10: 1.81 μg/m3
Carbon Monoxide: 133.52 μg/m3
Nitrogen Dioxide: 0.87 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 86.88 μg/m3

Astronomical

Sunrise: 8:10 AM
Sun Transit: 12:34 AM
Sunset: 4:58 PM
Daylight: 8 hrs 48 mins
Moonrise: 1:42 PM
Moon Transit: 7:21 PM
Moonset: 12:59 AM
Moon Phase: First Quarter
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

6:57 AM - 9:27 AM
6:51 PM - 9:21 PM

Minor Periods

1:12 PM - 2:42 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, November 29, 2025

Weather Forecast

Conditions: Patchy moderate snow
Average Temperature: 27.8°F
Average Humidity: 73%
Chance of Rain: 84%
Wind: 18.3 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 1.49 μg/m3
PM10: 1.56 μg/m3
Carbon Monoxide: 138.04 μg/m3
Nitrogen Dioxide: 0.9 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 84.64 μg/m3

Astronomical

Sunrise: 8:12 AM
Sun Transit: 12:34 AM
Sunset: 4:58 PM
Daylight: 8 hrs 46 mins
Moonrise: 1:59 PM
Moon Transit: 9:12 PM
Moonset: 1:14 AM
Moon Phase: First Quarter
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

8:42 PM - 11:12 PM
8:42 PM - 11:12 PM

Minor Periods

1:29 PM - 2:59 PM
12:44 AM - 2:14 AM

Action Rating: 2 out of 5

Sunday, November 30, 2025

Weather Forecast

Conditions: Blizzard
Average Temperature: 29°F
Average Humidity: 81%
Chance of Rain: 79%
Wind: 25.5 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 0.89 μg/m3
PM10: 0.92 μg/m3
Carbon Monoxide: 138.29 μg/m3
Nitrogen Dioxide: 0.83 μg/m3
Sulphur Dioxide: 0.92 μg/m3
Ozone: 82.31 μg/m3

Astronomical

Sunrise: 8:13 AM
Sun Transit: 12:35 AM
Sunset: 4:57 PM
Daylight: 8 hrs 44 mins
Moonrise: 2:16 PM
Moon Transit: 12:00 AM
Moonset: 2:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

1:46 PM - 3:16 PM
2:02 AM - 3:32 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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