Water Temperature of Lake Superior Near Isle Royale, MI

Current Water Temperature

42.3°F

Measurement Time: Tuesday, November 7, 2023, 12:56 AM EST

Temperature Locations

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Local Points of Interest

Isle Royale National Park; Blake Point

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Lake Superior

Station Name: Isle of Royale East, MI (230)
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 587 feet / 179 meters

Nearest Address:
Offshore
Isle Royale, MI

GPS Coordinates: 48.034, -87.73

Nearby Water Temperatures

Lake Superior, Terrace Bay Township, ON (80.6 km)
Lake Superior, Copper Harbor, MI (61.5 mi)
Washington Creek, Windigo, MI (65.9 mi)
Lake Superior, Calumet, MI (66.7 mi)
Pilgrim River, Houghton, MI (76.0 mi)
Keweenaw Bay, Jacobsville, MI (79.9 mi)
East Branch Salmon Trout River, Powell, MI (86.4 mi)
Salmon Trout River, Champion, MI (86.8 mi)
Grand Portage River, Grand Portage, MN (90.4 mi)
Falls River, L'Anse, MI (95.8 mi)
Sturgeon River, Pelkie, MI (100.4 mi)
Lake Superior, Marquette, MI (104.1 mi)
Middle Branch Escanaba River, , MI (106.3 mi)
Middle Branch Escanaba River, Humboldt, MI (106.6 mi)
Lake Superior, Lake Superior, MI (107.4 mi)

Weather Near Isle Royale, Michigan

Current Weather

41.5°F
Mist
Conditions: Mist
Humidity: 100%
Feels Like: 39.9°F
Wind: ESE 3.1 mph
Wind Gusts: 4.8 mph
Pressure: 30.32 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 1 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Wed
H: 49°F
L: 44°F
Cloudy
Thu
H: 43°F
L: 42°F
Overcast
Fri
H: 44°F
L: 40°F
Patchy rain nearby
Sat
H: 40°F
L: 38°F
Patchy rain nearby
Sun
H: 46°F
L: 39°F

Air Quality

AQI: 1 - Good
PM2.5: 1.15 μg/m3
PM10: 1.15 μg/m3
Carbon Monoxide: 146.85 μg/m3
Nitrogen Dioxide: 1.35 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 77 μg/m3

Astronomical

Sunrise: 8:32 AM
Sun Transit: 1:34 PM
Sunset: 6:37 PM
Daylight: 10 hrs 5 mins
Moonrise: 3:47 PM
Moon Transit: 8:12 PM
Moonset: 12:32 AM
Moon Phase: First Quarter
Moon Illumination: 52.5%

Best Times for Fishing or Hunting

Major Periods

7:36 AM - 10:06 AM
7:42 PM - 10:12 PM

Minor Periods

3:17 PM - 4:47 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, October 29, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 46.9°F
Average Humidity: 86%
Chance of Rain: 0%
Wind: 9.4 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 1.31 μg/m3
PM10: 1.32 μg/m3
Carbon Monoxide: 148.85 μg/m3
Nitrogen Dioxide: 1.6 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 76.68 μg/m3

Astronomical

Sunrise: 8:32 AM
Sun Transit: 1:34 PM
Sunset: 6:37 PM
Daylight: 10 hrs 5 mins
Moonrise: 3:47 PM
Moon Transit: 8:12 PM
Moonset: 12:32 AM
Moon Phase: First Quarter
Moon Illumination: 52.5%

Best Times for Fishing or Hunting

Major Periods

7:36 AM - 10:06 AM
7:42 PM - 10:12 PM

Minor Periods

3:17 PM - 4:47 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, October 30, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 43.5°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 4 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 2.12 μg/m3
PM10: 2.15 μg/m3
Carbon Monoxide: 148.69 μg/m3
Nitrogen Dioxide: 1.22 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 86.6 μg/m3

Astronomical

Sunrise: 8:34 AM
Sun Transit: 1:34 PM
Sunset: 6:35 PM
Daylight: 10 hrs 2 mins
Moonrise: 4:09 PM
Moon Transit: 9:00 PM
Moonset: 12:47 AM
Moon Phase: First Quarter
Moon Illumination: 63.7%

Best Times for Fishing or Hunting

Major Periods

8:25 AM - 10:55 AM
8:30 PM - 11:00 PM

Minor Periods

3:39 PM - 5:09 PM
12:17 AM - 1:47 AM

Action Rating: 3 out of 5

Friday, October 31, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 42.5°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 19.5 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 2.87 μg/m3
PM10: 2.91 μg/m3
Carbon Monoxide: 145.49 μg/m3
Nitrogen Dioxide: 1.25 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 79.36 μg/m3

Astronomical

Sunrise: 8:35 AM
Sun Transit: 1:34 PM
Sunset: 6:34 PM
Daylight: 9 hrs 58 mins
Moonrise: 4:28 PM
Moon Transit: 9:47 PM
Moonset: 2:04 AM
Moon Phase: First Quarter
Moon Illumination: 74.1%

Best Times for Fishing or Hunting

Major Periods

9:13 AM - 11:43 AM
9:17 PM - 11:47 PM

Minor Periods

3:58 PM - 5:28 PM
1:34 AM - 3:04 AM

Action Rating: 2 out of 5

Saturday, November 1, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 39°F
Average Humidity: 66%
Chance of Rain: 89%
Wind: 18.8 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 1.18 μg/m3
PM10: 1.23 μg/m3
Carbon Monoxide: 137.21 μg/m3
Nitrogen Dioxide: 1.09 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 68 μg/m3

Astronomical

Sunrise: 8:37 AM
Sun Transit: 1:34 PM
Sunset: 6:32 PM
Daylight: 9 hrs 55 mins
Moonrise: 4:44 PM
Moon Transit: 10:35 PM
Moonset: 3:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 83.4%

Best Times for Fishing or Hunting

Major Periods

10:00 AM - 12:30 AM
12:00 AM - 12:00 AM

Minor Periods

4:14 PM - 5:44 PM
2:52 AM - 4:22 AM

Action Rating: 2 out of 5

Sunday, November 2, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 43.4°F
Average Humidity: 72%
Chance of Rain: 87%
Wind: 28.6 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 2.47 μg/m3
PM10: 2.53 μg/m3
Carbon Monoxide: 144.62 μg/m3
Nitrogen Dioxide: 1.39 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 68.69 μg/m3

Astronomical

Sunrise: 8:38 AM
Sun Transit: 1:34 PM
Sunset: 6:31 PM
Daylight: 9 hrs 52 mins
Moonrise: 5:00 PM
Moon Transit: 12:31 AM
Moonset: 4:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.9%

Best Times for Fishing or Hunting

Major Periods

12:01 AM - 2:31 PM
12:01 AM - 2:31 PM

Minor Periods

4:30 PM - 6:00 PM
4:12 AM - 5:42 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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