Water Temperature of Lake Superior Near Copper Harbor, MI
Current Water Temperature
Measurement Time: Wednesday, July 16, 2025, 3:30 AM EDT
Temperature Locations
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Local Points of Interest
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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

Humidity: 96%
Feels Like: 45°F
Wind: NNE 17.4 mph
Wind Gusts: 30.2 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0.1
Five Day Weather Forecast

Wed
H: 48°F
L: 46°F

Thu
H: 52°F
L: 48°F

Fri
H: 57°F
L: 53°F

Sat
H: 53°F
L: 50°F

Sun
H: 53°F
L: 48°F
Air Quality
Nitrogen Dioxide: 0.67 μg/m3
Sulphur Dioxide: 0.17 μg/m3
Ozone: 52 μg/m3
Astronomical
Sun Transit: 1:52 PM
Sunset: 9:39 PM
Daylight: 15 hrs 33 mins
Moon Transit: 1:15 AM
Moonset: 12:49 AM
Moon Phase: Waning Gibbous
Moon Illumination: 55.7%
Best Times for Fishing or Hunting
Major Periods
12:45 AM - 3:15 AM12:45 AM - 3:15 AM
Minor Periods
12:19 AM - 1:49 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
veille de grains en vigueur en vigueur
Service Notice – June 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is planned for deployment for later in 2025. Data changes will appear in CAP-CP upon this deployment, 2) SAME event codes for a few alert types are updated and 3) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – juin 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est prévue d’être déployée plus tard en 2025. Des changements aux données apparaîtront dans le PC-PAC lors de ce déploiement, 2) des codes d’événement MSSC pour quelques types d’alerte ont été mis à jour et 3) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/
Effective: Tue July 15, 2025, 9:40 PM
Expires: Wed July 16, 2025, 10:08 AM
Conditions are favourable for the development of squalls with wind gusts up to 40 knots, frequent lightning and poor to very poor visibility in thunderstorms heavy at times. Thunderstorms will move eastward across the lake tonight and reach the shore in locations from near Michipicoten to near Montreal River Harbour. ### Poor to very poor visibility may contribute to voyage delays and make marine navigation hazardous. Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.
Weather Forecast
Average Temperature: 46.8°F
Average Humidity: 92%
Wind: 18.3 mph
UV Index: 0.6
Air Quality
Nitrogen Dioxide: 0.89 μg/m3
Sulphur Dioxide: 0.15 μg/m3
Ozone: 55.36 μg/m3
Astronomical
Sun Transit: 1:52 PM
Sunset: 9:39 PM
Daylight: 15 hrs 33 mins
Moon Transit: 1:15 AM
Moonset: 12:49 AM
Moon Phase: Waning Gibbous
Moon Illumination: 55.7%
Best Times for Fishing or Hunting
Major Periods
12:45 AM - 3:15 AM12:45 AM - 3:15 AM
Minor Periods
12:19 AM - 1:49 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 50.2°F
Average Humidity: 82%
Wind: 13 mph
UV Index: 2.2
Air Quality
Nitrogen Dioxide: 0.87 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 54.24 μg/m3
Astronomical
Sun Transit: 1:52 PM
Sunset: 9:38 PM
Daylight: 15 hrs 31 mins
Moon Transit: 7:05 AM
Moonset: 2:08 PM
Moon Phase: Last Quarter
Moon Illumination: 44.4%
Best Times for Fishing or Hunting
Major Periods
6:35 AM - 9:05 AM7:28 PM - 9:58 PM
Minor Periods
1:38 PM - 3:08 PM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 54.8°F
Average Humidity: 75%
Wind: 11 mph
UV Index: 1.7
Air Quality
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 0.23 μg/m3
Ozone: 67.12 μg/m3
Astronomical
Sun Transit: 1:52 PM
Sunset: 9:37 PM
Daylight: 15 hrs 29 mins
Moon Transit: 7:55 AM
Moonset: 3:30 PM
Moon Phase: Last Quarter
Moon Illumination: 33.4%
Best Times for Fishing or Hunting
Major Periods
7:25 AM - 9:55 AM8:20 PM - 10:50 PM
Minor Periods
3:00 PM - 4:30 PM12:10 AM - 1:40 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 53.1°F
Average Humidity: 95%
Wind: 8.5 mph
UV Index: 1.8
Air Quality
Nitrogen Dioxide: 2.91 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 78.36 μg/m3
Astronomical
Sun Transit: 1:52 PM
Sunset: 9:36 PM
Daylight: 15 hrs 27 mins
Moon Transit: 8:49 AM
Moonset: 4:55 PM
Moon Phase: Last Quarter
Moon Illumination: 23.2%
Best Times for Fishing or Hunting
Major Periods
8:19 AM - 10:49 AM9:16 PM - 11:46 PM
Minor Periods
4:25 PM - 5:55 PM12:32 AM - 2:02 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 50.3°F
Average Humidity: 95%
Wind: 8.1 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 2.58 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 89.54 μg/m3
Astronomical
Sun Transit: 1:52 PM
Sunset: 9:35 PM
Daylight: 15 hrs 25 mins
Moon Transit: 9:47 AM
Moonset: 6:19 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:17 AM - 11:47 AM
Minor Periods
5:49 PM - 7:19 PM1:01 AM - 2:31 AM
Action Rating: 2 out of 5