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

5.2°F
Light snow
Light snow
0.8°F
10.7°F
85%
NE 2.2 mph
4.7 mph
1°F
4.9°F
0 in
100%
1 mi
1006 mbar
0

Five Day Weather Forecast

Light freezing rain
Thu
H: 26°F
L: 10°F
Overcast
Fri
H: 38°F
L: 10°F
Sunny
Sat
H: 11°F
L: 2°F
Sunny
Sun
H: 3°F
L: -19°F
Partly Cloudy
Mon
H: 21°F
L: -9°F

Air Quality

AQI: 1 - Good
PM2.5: 4.65 μg/m3
PM10: 5.05 μg/m3
Carbon Monoxide: 166.85 μg/m3
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 85 μg/m3

Astronomical

Sunrise: 7:37 AM
Sun Transit: 1:03 PM
Sunset: 6:31 PM
Daylight: 10 hrs 54 mins
Moonrise: 12:34 AM
Moon Transit: 9:18 PM
Moonset: 5:04 AM
Moon Phase: First Quarter
Moon Illumination: 72.9%

Best Times for Fishing or Hunting

Major Periods

8:36 AM - 11:06 AM
8:48 PM - 11:18 PM

Minor Periods

12:04 AM - 1:34 PM
4:34 AM - 6:04 AM

Action Rating: 2 out of 5

High Wind Watch issued February 26 at 1:24AM EST until February 28 at 1:00AM EST by NWS Marquette MI

Effective: Thu February 26, 2026, 1:24 AM
Expires: Thu February 26, 2026, 5:00 PM

* WHAT...West winds 20 to 30 mph with gusts up to 60 mph possible. * WHERE...Keweenaw and Northern Houghton Counties. * WHEN...From Friday afternoon through late Friday night. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Blowing snow could restrict visibility in open areas and near the lakeshore.

Monitor the latest forecasts and warnings for updates. Fasten loose objects or shelter objects in a safe location prior to the onset of winds.
Thursday, February 26, 2026

Weather Forecast

Light freezing rain
25.7°F
9.5°F
17.8°F
81%
0.06 in
60%
32%
10.3 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 3.86 μg/m3
PM10: 4.31 μg/m3
Carbon Monoxide: 162.45 μg/m3
Nitrogen Dioxide: 1.79 μg/m3
Sulphur Dioxide: 1.74 μg/m3
Ozone: 84.44 μg/m3

Astronomical

Sunrise: 7:37 AM
Sun Transit: 1:03 PM
Sunset: 6:31 PM
Daylight: 10 hrs 54 mins
Moonrise: 12:34 AM
Moon Transit: 9:18 PM
Moonset: 5:04 AM
Moon Phase: First Quarter
Moon Illumination: 72.9%

Best Times for Fishing or Hunting

Major Periods

8:36 AM - 11:06 AM
8:48 PM - 11:18 PM

Minor Periods

12:04 AM - 1:34 PM
4:34 AM - 6:04 AM

Action Rating: 2 out of 5

Friday, February 27, 2026

Weather Forecast

Overcast
37.6°F
10.3°F
28.8°F
83%
0 in
0%
0%
29.1 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 5.96 μg/m3
PM10: 6.37 μg/m3
Carbon Monoxide: 178.85 μg/m3
Nitrogen Dioxide: 2.54 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 83.64 μg/m3

Astronomical

Sunrise: 7:35 AM
Sun Transit: 1:03 PM
Sunset: 6:33 PM
Daylight: 10 hrs 57 mins
Moonrise: 1:52 PM
Moon Transit: 10:18 PM
Moonset: 5:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

9:38 AM - 12:08 AM
12:00 AM - 12:00 AM

Minor Periods

1:22 PM - 2:52 PM
5:23 AM - 6:53 AM

Action Rating: 2 out of 5

Saturday, February 28, 2026

Weather Forecast

Sunny
10.8°F
1.9°F
8.5°F
64%
0 in
0%
0%
21.5 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 1.79 μg/m3
PM10: 2.1 μg/m3
Carbon Monoxide: 153.49 μg/m3
Nitrogen Dioxide: 1.1 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 81.92 μg/m3

Astronomical

Sunrise: 7:33 AM
Sun Transit: 1:03 PM
Sunset: 6:34 PM
Daylight: 11 hrs 1 mins
Moonrise: 3:15 PM
Moon Transit: 11:13 PM
Moonset: 6:28 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

10:35 AM - 1:05 PM
12:00 AM - 12:00 AM

Minor Periods

2:45 PM - 4:15 PM
5:58 AM - 7:28 AM

Action Rating: 3 out of 5

Sunday, March 1, 2026

Weather Forecast

Sunny
3.2°F
-19.2°F
-6.4°F
85%
0 in
0%
0%
6 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 1.76 μg/m3
PM10: 2.07 μg/m3
Carbon Monoxide: 152.27 μg/m3
Nitrogen Dioxide: 1.23 μg/m3
Sulphur Dioxide: 1.76 μg/m3
Ozone: 86.16 μg/m3

Astronomical

Sunrise: 7:31 AM
Sun Transit: 1:03 PM
Sunset: 6:36 PM
Daylight: 11 hrs 4 mins
Moonrise: 4:37 PM
Moon Transit: 12:00 AM
Moonset: 6:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:28 AM - 1:58 PM

Minor Periods

4:07 PM - 5:37 PM
6:24 AM - 7:54 AM

Action Rating: 3 out of 5

Monday, March 2, 2026

Weather Forecast

Partly Cloudy
21.1°F
-8.7°F
3.3°F
91%
0 in
0%
0%
13.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.67 μg/m3
PM10: 1.84 μg/m3
Carbon Monoxide: 149.49 μg/m3
Nitrogen Dioxide: 1.09 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 88.92 μg/m3

Astronomical

Sunrise: 7:30 AM
Sun Transit: 1:03 PM
Sunset: 6:37 PM
Daylight: 11 hrs 8 mins
Moonrise: 5:56 PM
Moon Transit: 12:04 AM
Moonset: 7:14 AM
Moon Phase: Full
Moon Illumination: 99.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:17 AM - 2:47 PM

Minor Periods

5:26 PM - 6:56 PM
6:44 AM - 8:14 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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