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 PointSponsored Content
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
55.6°F

Conditions: Overcast
Humidity: 100%
Feels Like: 56°F
Wind: SSW 2.9 mph
Wind Gusts: 4.8 mph
Humidity: 100%
Feels Like: 56°F
Wind: SSW 2.9 mph
Wind Gusts: 4.8 mph
Pressure: 30.17 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 8 mi
UV Index: 0.5
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 8 mi
UV Index: 0.5
Five Day Weather Forecast

Fri
H: 57°F
L: 53°F

Sat
H: 57°F
L: 52°F

Sun
H: 58°F
L: 49°F

Mon
H: 64°F
L: 55°F

Tue
H: 65°F
L: 58°F
Air Quality
AQI:
1 - Good
PM2.5:
14.25 μg/m3
PM10:
14.43 μg/m3
Carbon Monoxide: 399.6 μg/m3
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 83 μg/m3
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 83 μg/m3
Astronomical
Sunrise: 7:24 AM
Sun Transit: 1:47 PM
Sunset: 8:09 PM
Daylight: 12 hrs 45 mins
Sun Transit: 1:47 PM
Sunset: 8:09 PM
Daylight: 12 hrs 45 mins
Moonrise: 10:12 PM
Moon Transit: 5:40 AM
Moonset: 2:01 PM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%
Moon Transit: 5:40 AM
Moonset: 2:01 PM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%
Best Times for Fishing or Hunting
Major Periods
5:10 AM - 7:40 AM5:59 PM - 8:29 PM
Minor Periods
9:42 PM - 11:12 PM1:31 PM - 3:01 PM
Action Rating: 4 out of 5
Friday, September 12, 2025
Weather Forecast
Conditions: Overcast
Average Temperature: 54.9°F
Average Humidity: 97%
Average Temperature: 54.9°F
Average Humidity: 97%
Chance of Rain: 0%
Wind: 6 mph
UV Index: 0.6
Wind: 6 mph
UV Index: 0.6
Air Quality
AQI:
1 - Good
PM2.5:
11.48 μg/m3
PM10:
11.75 μg/m3
Carbon Monoxide: 367.78 μg/m3
Nitrogen Dioxide: 1.2 μg/m3
Sulphur Dioxide: 0.32 μg/m3
Ozone: 73.52 μg/m3
Nitrogen Dioxide: 1.2 μg/m3
Sulphur Dioxide: 0.32 μg/m3
Ozone: 73.52 μg/m3
Astronomical
Sunrise: 7:24 AM
Sun Transit: 1:47 PM
Sunset: 8:09 PM
Daylight: 12 hrs 45 mins
Sun Transit: 1:47 PM
Sunset: 8:09 PM
Daylight: 12 hrs 45 mins
Moonrise: 10:12 PM
Moon Transit: 5:40 AM
Moonset: 2:01 PM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%
Moon Transit: 5:40 AM
Moonset: 2:01 PM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%
Best Times for Fishing or Hunting
Major Periods
5:10 AM - 7:40 AM5:59 PM - 8:29 PM
Minor Periods
9:42 PM - 11:12 PM1:31 PM - 3:01 PM
Action Rating: 4 out of 5
Saturday, September 13, 2025
Weather Forecast
Conditions: Overcast
Average Temperature: 55.2°F
Average Humidity: 96%
Average Temperature: 55.2°F
Average Humidity: 96%
Chance of Rain: 0%
Wind: 10.3 mph
UV Index: 1.2
Wind: 10.3 mph
UV Index: 1.2
Air Quality
AQI:
1 - Good
PM2.5:
13.82 μg/m3
PM10:
14.22 μg/m3
Carbon Monoxide: 374.96 μg/m3
Nitrogen Dioxide: 1.09 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 94.24 μg/m3
Nitrogen Dioxide: 1.09 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 94.24 μg/m3
Astronomical
Sunrise: 7:25 AM
Sun Transit: 1:46 PM
Sunset: 8:07 PM
Daylight: 12 hrs 41 mins
Sun Transit: 1:46 PM
Sunset: 8:07 PM
Daylight: 12 hrs 41 mins
Moonrise: 10:56 PM
Moon Transit: 6:40 AM
Moonset: 3:22 PM
Moon Phase: Waning Gibbous
Moon Illumination: 56.4%
Moon Transit: 6:40 AM
Moonset: 3:22 PM
Moon Phase: Waning Gibbous
Moon Illumination: 56.4%
Best Times for Fishing or Hunting
Major Periods
6:10 AM - 8:40 AM7:00 PM - 9:30 PM
Minor Periods
10:26 PM - 11:56 PM2:52 PM - 4:22 PM
Action Rating: 2 out of 5
Sunday, September 14, 2025
Weather Forecast
Conditions: Fog
Average Temperature: 53.6°F
Average Humidity: 95%
Average Temperature: 53.6°F
Average Humidity: 95%
Chance of Rain: 0%
Wind: 10.3 mph
UV Index: 1.2
Wind: 10.3 mph
UV Index: 1.2
Air Quality
AQI:
1 - Good
PM2.5:
8.97 μg/m3
PM10:
9.13 μg/m3
Carbon Monoxide: 351.8 μg/m3
Nitrogen Dioxide: 0.44 μg/m3
Sulphur Dioxide: 0.16 μg/m3
Ozone: 77.08 μg/m3
Nitrogen Dioxide: 0.44 μg/m3
Sulphur Dioxide: 0.16 μg/m3
Ozone: 77.08 μg/m3
Astronomical
Sunrise: 7:27 AM
Sun Transit: 1:46 PM
Sunset: 8:05 PM
Daylight: 12 hrs 38 mins
Sun Transit: 1:46 PM
Sunset: 8:05 PM
Daylight: 12 hrs 38 mins
Moonrise: 11:54 PM
Moon Transit: 7:42 AM
Moonset: 4:33 PM
Moon Phase: Last Quarter
Moon Illumination: 45.1%
Moon Transit: 7:42 AM
Moonset: 4:33 PM
Moon Phase: Last Quarter
Moon Illumination: 45.1%
Best Times for Fishing or Hunting
Major Periods
7:12 AM - 9:42 AM8:02 PM - 10:32 PM
Minor Periods
12:00 AM - 12:00 AM4:03 PM - 5:33 PM
Action Rating: 4 out of 5
Monday, September 15, 2025
Weather Forecast
Conditions: Patchy rain nearby
Average Temperature: 59.5°F
Average Humidity: 88%
Average Temperature: 59.5°F
Average Humidity: 88%
Chance of Rain: 63%
Wind: 8.5 mph
UV Index: 0
Wind: 8.5 mph
UV Index: 0
Air Quality
AQI:
2 - Moderate
PM2.5:
15.98 μg/m3
PM10:
16.57 μg/m3
Carbon Monoxide: 330.71 μg/m3
Nitrogen Dioxide: 0.96 μg/m3
Sulphur Dioxide: 0.77 μg/m3
Ozone: 86.68 μg/m3
Nitrogen Dioxide: 0.96 μg/m3
Sulphur Dioxide: 0.77 μg/m3
Ozone: 86.68 μg/m3
Astronomical
Sunrise: 7:28 AM
Sun Transit: 1:45 PM
Sunset: 8:03 PM
Daylight: 12 hrs 34 mins
Sun Transit: 1:45 PM
Sunset: 8:03 PM
Daylight: 12 hrs 34 mins
Moonrise: 12:54 AM
Moon Transit: 8:43 AM
Moonset: 5:26 PM
Moon Phase: Last Quarter
Moon Illumination: 34.0%
Moon Transit: 8:43 AM
Moonset: 5:26 PM
Moon Phase: Last Quarter
Moon Illumination: 34.0%
Best Times for Fishing or Hunting
Major Periods
8:13 AM - 10:43 AM9:02 PM - 11:32 PM
Minor Periods
4:56 PM - 6:26 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Tuesday, September 16, 2025
Weather Forecast
Conditions: Patchy rain nearby
Average Temperature: 61.1°F
Average Humidity: 92%
Average Temperature: 61.1°F
Average Humidity: 92%
Chance of Rain: 85%
Wind: 4.9 mph
UV Index: 4
Wind: 4.9 mph
UV Index: 4
Air Quality
AQI:
1 - Good
PM2.5:
14.79 μg/m3
PM10:
15.13 μg/m3
Carbon Monoxide: 381.81 μg/m3
Nitrogen Dioxide: 1.52 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 94.54 μg/m3
Nitrogen Dioxide: 1.52 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 94.54 μg/m3
Astronomical
Sunrise: 7:30 AM
Sun Transit: 1:45 PM
Sunset: 8:00 PM
Daylight: 12 hrs 31 mins
Sun Transit: 1:45 PM
Sunset: 8:00 PM
Daylight: 12 hrs 31 mins
Moonrise: 1:05 AM
Moon Transit: 9:42 AM
Moonset: 6:06 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%
Moon Transit: 9:42 AM
Moonset: 6:06 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:12 AM - 11:42 AM
Minor Periods
5:36 PM - 7:06 PM12:35 AM - 2:05 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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