Water Temperature of Lake Superior Near Copper Harbor, MI
Current Water Temperature
Measurement Time: Tuesday, December 2, 2025, 1:20 PM EST
Temperature Locations
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Local Points of Interest
Quebec HarbourStation 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

Five Day Weather Forecast

Sun
H: 82°F
L: 66°F

Mon
H: 81°F
L: 63°F

Tue
H: 69°F
L: 60°F

Wed
H: 64°F
L: 56°F

Thu
H: 60°F
L: 51°F
Air Quality
Nitrogen Dioxide: 1 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 114 μg/m3
Astronomical
Sun Transit: 1:52 PM
Sunset: 9:42 PM
Daylight: 15 hrs 41 mins
Moon Transit: 12:05 AM
Moonset: 8:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:35 AM - 2:05 PM
Minor Periods
8:19 PM - 9:49 PM2:51 AM - 4:21 AM
Action Rating: 3 out of 5
squall watch in effect
Effective: Sun July 12, 2026, 10:00 AM
Expires: Sun July 12, 2026, 6:59 PM
Conditions are favourable for the development of squalls with wind gusts up to 35 knots, frequent lightning, hail and poor to very poor visibility in thunderstorms heavy at times. Thunderstorms are expected to track southeast across portions of Lake Superior through this morning and early afternoon. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Vessels without lightning protection should make their way to shore immediately. Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.
squall watch in effect
Effective: Sun July 12, 2026, 10:00 AM
Expires: Sun July 12, 2026, 6:59 PM
Conditions are favourable for the development of squalls with wind gusts up to 35 knots, frequent lightning, hail and poor to very poor visibility in thunderstorms heavy at times. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Vessels without lightning protection should make their way to shore immediately. Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.
Weather Forecast
Air Quality
Nitrogen Dioxide: 0.87 μg/m3
Sulphur Dioxide: 0.23 μg/m3
Ozone: 90.5 μg/m3
Astronomical
Sun Transit: 1:52 PM
Sunset: 9:42 PM
Daylight: 15 hrs 41 mins
Moon Transit: 12:05 AM
Moonset: 8:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:35 AM - 2:05 PM
Minor Periods
8:19 PM - 9:49 PM2:51 AM - 4:21 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0.9 μg/m3
Sulphur Dioxide: 0.23 μg/m3
Ozone: 104.29 μg/m3
Astronomical
Sun Transit: 1:52 PM
Sunset: 9:41 PM
Daylight: 15 hrs 39 mins
Moon Transit: 1:11 PM
Moonset: 9:41 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
12:37 AM - 3:07 AM12:41 AM - 3:11 PM
Minor Periods
9:11 PM - 10:41 PM4:01 AM - 5:31 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0.99 μg/m3
Sulphur Dioxide: 0.22 μg/m3
Ozone: 97.29 μg/m3
Astronomical
Sun Transit: 1:52 PM
Sunset: 9:40 PM
Daylight: 15 hrs 37 mins
Moon Transit: 2:15 PM
Moonset: 10:19 PM
Moon Phase: New
Moon Illumination: 1.9%
Best Times for Fishing or Hunting
Major Periods
1:42 AM - 4:12 AM1:45 PM - 4:15 PM
Minor Periods
9:49 PM - 11:19 PM5:24 AM - 6:54 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0.87 μg/m3
Sulphur Dioxide: 0.32 μg/m3
Ozone: 78.17 μg/m3
Astronomical
Sun Transit: 1:52 PM
Sunset: 9:40 PM
Daylight: 15 hrs 35 mins
Moon Transit: 3:14 PM
Moonset: 10:47 PM
Moon Phase: New
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
2:43 AM - 5:13 AM2:44 PM - 5:14 PM
Minor Periods
10:17 PM - 11:47 PM6:52 AM - 8:22 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.29 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 69.11 μg/m3
Astronomical
Sun Transit: 1:52 PM
Sunset: 9:39 PM
Daylight: 15 hrs 33 mins
Moon Transit: 4:07 PM
Moonset: 11:08 PM
Moon Phase: New
Moon Illumination: 2.4%
Best Times for Fishing or Hunting
Major Periods
3:39 AM - 6:09 AM3:37 PM - 6:07 PM
Minor Periods
12:00 AM - 12:00 AM8:18 AM - 9:48 AM
Action Rating: 4 out of 5
