Water Temperature of Lake Superior Near Copper Harbor, MI

Current Water Temperature

61.5°F

Measurement Time: Saturday, August 23, 2025, 7:30 AM EDT

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

63°F
Fog
Conditions: Fog
Humidity: 81%
Feels Like: 63°F
Wind: WNW 22.1 mph
Wind Gusts: 28.3 mph
Pressure: 29.75 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0.8

Five Day Weather Forecast

Partly Cloudy
Sat
H: 64°F
L: 58°F
Overcast
Sun
H: 59°F
L: 54°F
Moderate rain
Mon
H: 60°F
L: 53°F
Sunny
Tue
H: 64°F
L: 60°F
Patchy rain nearby
Wed
H: 66°F
L: 61°F

Air Quality

AQI: 1 - Good
PM2.5: 2.52 μg/m3
PM10: 2.52 μg/m3
Carbon Monoxide: 243.34 μg/m3
Nitrogen Dioxide: 0.5 μg/m3
Sulphur Dioxide: 0.34 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 1:48 PM
Sunset: 8:44 PM
Daylight: 13 hrs 50 mins
Moonrise: 7:09 AM
Moon Transit: 2:13 PM
Moonset: 9:01 PM
Moon Phase: New
Moon Illumination: 1.4%

Best Times for Fishing or Hunting

Major Periods

1:49 AM - 4:19 AM
1:43 PM - 4:13 PM

Minor Periods

8:31 PM - 10:01 PM
6:39 AM - 8:09 AM

Action Rating: 5 out of 5

Saturday, August 23, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 62.1°F
Average Humidity: 86%
Chance of Rain: 0%
Wind: 23.7 mph
UV Index: 1.5

Air Quality

AQI: 1 - Good
PM2.5: 6.31 μg/m3
PM10: 6.49 μg/m3
Carbon Monoxide: 247.1 μg/m3
Nitrogen Dioxide: 1.11 μg/m3
Sulphur Dioxide: 0.42 μg/m3
Ozone: 79.44 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 1:48 PM
Sunset: 8:44 PM
Daylight: 13 hrs 50 mins
Moonrise: 7:09 AM
Moon Transit: 2:13 PM
Moonset: 9:01 PM
Moon Phase: New
Moon Illumination: 1.4%

Best Times for Fishing or Hunting

Major Periods

1:49 AM - 4:19 AM
1:43 PM - 4:13 PM

Minor Periods

8:31 PM - 10:01 PM
6:39 AM - 8:09 AM

Action Rating: 5 out of 5

Sunday, August 24, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 57.6°F
Average Humidity: 78%
Chance of Rain: 0%
Wind: 25.1 mph
UV Index: 0.6

Air Quality

AQI: 1 - Good
PM2.5: 2.96 μg/m3
PM10: 3 μg/m3
Carbon Monoxide: 223.34 μg/m3
Nitrogen Dioxide: 0.74 μg/m3
Sulphur Dioxide: 0.36 μg/m3
Ozone: 65.96 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 1:48 PM
Sunset: 8:42 PM
Daylight: 13 hrs 47 mins
Moonrise: 8:22 AM
Moon Transit: 2:56 PM
Moonset: 9:16 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

2:33 AM - 5:03 AM
2:26 PM - 4:56 PM

Minor Periods

8:46 PM - 10:16 PM
7:52 AM - 9:22 AM

Action Rating: 4 out of 5

Monday, August 25, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 56.5°F
Average Humidity: 72%
Chance of Rain: 86%
Wind: 23.5 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 4.3 μg/m3
PM10: 4.42 μg/m3
Carbon Monoxide: 230.72 μg/m3
Nitrogen Dioxide: 0.32 μg/m3
Sulphur Dioxide: 0.16 μg/m3
Ozone: 71.92 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 1:48 PM
Sunset: 8:40 PM
Daylight: 13 hrs 44 mins
Moonrise: 9:31 AM
Moon Transit: 3:37 PM
Moonset: 9:29 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

3:14 AM - 5:44 AM
3:07 PM - 5:37 PM

Minor Periods

8:59 PM - 10:29 PM
9:01 AM - 10:31 AM

Action Rating: 4 out of 5

Tuesday, August 26, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 61.4°F
Average Humidity: 64%
Chance of Rain: 0%
Wind: 15 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 4.71 μg/m3
PM10: 4.81 μg/m3
Carbon Monoxide: 228.04 μg/m3
Nitrogen Dioxide: 0.67 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 73.16 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 1:48 PM
Sunset: 8:38 PM
Daylight: 13 hrs 41 mins
Moonrise: 10:40 AM
Moon Transit: 4:17 PM
Moonset: 9:44 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

3:55 AM - 6:25 AM
3:47 PM - 6:17 PM

Minor Periods

9:14 PM - 10:44 PM
10:10 AM - 11:40 AM

Action Rating: 2 out of 5

Wednesday, August 27, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 63.6°F
Average Humidity: 69%
Chance of Rain: 50%
Wind: 25.9 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 5.25 μg/m3
PM10: 5.37 μg/m3
Carbon Monoxide: 238.82 μg/m3
Nitrogen Dioxide: 0.75 μg/m3
Sulphur Dioxide: 0.25 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:47 PM
Sunset: 8:36 PM
Daylight: 13 hrs 37 mins
Moonrise: 11:48 AM
Moon Transit: 4:58 PM
Moonset: 9:59 PM
Moon Phase: Waxing Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

4:36 AM - 7:06 AM
4:28 PM - 6:58 PM

Minor Periods

9:29 PM - 10:59 PM
11:18 AM - 12:48 AM

Action Rating: 3 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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