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

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

Nearest Address:
Offshore
Isle Royale, MI

GPS Coordinates: 48.034, -87.73

Nearby Water Temperatures

Lake Superior, Terrace Bay Township, ON (50.1 mi)
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 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

23.7°F
Partly cloudy
Partly cloudy
11°F
21.9°F
42%
NW 14.8 mph
21.2 mph
5.9°F
12.8°F
0 in
75%
19 mi
1028 mbar
0.6

Five Day Weather Forecast

Partly Cloudy
Fri
H: 22°F
L: 19°F
Moderate snow
Sat
H: 31°F
L: 15°F
Mist
Sun
H: 33°F
L: 13°F
Light freezing rain
Mon
H: 34°F
L: 25°F
Ice pellets
Tue
H: 30°F
L: 22°F

Air Quality

AQI: 1 - Good
PM2.5: 3.55 μg/m3
PM10: 4.65 μg/m3
Carbon Monoxide: 205.85 μg/m3
Nitrogen Dioxide: 1.25 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 99 μg/m3

Astronomical

Sunrise: 7:39 AM
Sun Transit: 12:00 AM
Sunset: 8:14 PM
Daylight: 12 hrs 35 mins
Moonrise: 2:01 PM
Moon Transit: 10:08 PM
Moonset: 5:30 AM
Moon Phase: First Quarter
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

9:30 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

1:31 PM - 3:01 PM
5:00 AM - 6:30 AM

Action Rating: 2 out of 5

Friday, March 27, 2026

Weather Forecast

Partly Cloudy
22.3°F
19.4°F
21.4°F
64%
0 in
0%
5%
17.2 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 3.53 μg/m3
PM10: 4.51 μg/m3
Carbon Monoxide: 199.37 μg/m3
Nitrogen Dioxide: 1.21 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 93.64 μg/m3

Astronomical

Sunrise: 7:39 AM
Sun Transit: 12:00 AM
Sunset: 8:14 PM
Daylight: 12 hrs 35 mins
Moonrise: 2:01 PM
Moon Transit: 10:08 PM
Moonset: 5:30 AM
Moon Phase: First Quarter
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

9:30 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

1:31 PM - 3:01 PM
5:00 AM - 6:30 AM

Action Rating: 2 out of 5

Saturday, March 28, 2026

Weather Forecast

Moderate snow
30.6°F
14.5°F
23.4°F
71%
0.05 in
66%
2%
10.7 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 4.19 μg/m3
PM10: 5.23 μg/m3
Carbon Monoxide: 203.33 μg/m3
Nitrogen Dioxide: 1.33 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 100 μg/m3

Astronomical

Sunrise: 7:37 AM
Sun Transit: 12:00 AM
Sunset: 8:16 PM
Daylight: 12 hrs 39 mins
Moonrise: 3:21 PM
Moon Transit: 11:00 PM
Moonset: 5:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 77.5%

Best Times for Fishing or Hunting

Major Periods

10:23 AM - 12:53 AM
12:00 AM - 12:00 AM

Minor Periods

2:51 PM - 4:21 PM
5:28 AM - 6:58 AM

Action Rating: 2 out of 5

Sunday, March 29, 2026

Weather Forecast

Mist
32.7°F
13.1°F
22.7°F
93%
0 in
0%
0%
8.3 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 2.93 μg/m3
PM10: 3.46 μg/m3
Carbon Monoxide: 190.81 μg/m3
Nitrogen Dioxide: 1.4 μg/m3
Sulphur Dioxide: 1.06 μg/m3
Ozone: 92.04 μg/m3

Astronomical

Sunrise: 7:35 AM
Sun Transit: 12:00 AM
Sunset: 8:17 PM
Daylight: 12 hrs 42 mins
Moonrise: 4:40 PM
Moon Transit: 11:46 PM
Moonset: 6:20 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.2%

Best Times for Fishing or Hunting

Major Periods

11:12 AM - 1:42 PM
12:00 AM - 12:00 AM

Minor Periods

4:10 PM - 5:40 PM
5:50 AM - 7:20 AM

Action Rating: 3 out of 5

Monday, March 30, 2026

Weather Forecast

Light freezing rain
33.6°F
25.3°F
28.8°F
94%
0.01 in
62%
6%
17.7 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 4.37 μg/m3
PM10: 4.87 μg/m3
Carbon Monoxide: 171.27 μg/m3
Nitrogen Dioxide: 1.62 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 87.12 μg/m3

Astronomical

Sunrise: 7:33 AM
Sun Transit: 12:00 AM
Sunset: 8:19 PM
Daylight: 12 hrs 46 mins
Moonrise: 5:55 PM
Moon Transit: 12:00 AM
Moonset: 6:37 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:57 AM - 2:27 PM

Minor Periods

5:25 PM - 6:55 PM
6:07 AM - 7:37 AM

Action Rating: 3 out of 5

Tuesday, March 31, 2026

Weather Forecast

Ice pellets
29.8°F
21.5°F
27.5°F
93%
0.36 in
72%
68%
23 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 3.48 μg/m3
PM10: 4.35 μg/m3
Carbon Monoxide: 164.52 μg/m3
Nitrogen Dioxide: 1.01 μg/m3
Sulphur Dioxide: 1.06 μg/m3
Ozone: 99.54 μg/m3

Astronomical

Sunrise: 7:31 AM
Sun Transit: 12:00 AM
Sunset: 8:20 PM
Daylight: 12 hrs 49 mins
Moonrise: 7:08 PM
Moon Transit: 12:31 AM
Moonset: 6:52 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.6%

Best Times for Fishing or Hunting

Major Periods

12:01 AM - 2:31 AM
12:41 AM - 3:11 PM

Minor Periods

6:38 PM - 8:08 PM
6:22 AM - 7:52 AM

Action Rating: 4 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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