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

16.5°F

Conditions: Overcast

Feels Like: 4.7°F

Heat Index: 28.7°F

Humidity: 85%

Wind: S 9.6 mph

Wind Gusts: 15.2 mph

Wind Chill: 19.7°F

Dew Point: 26.9°F

Precipitation: 0 in

Cloud Cover: 100%

Visibility: 14 mi

Air Pressure: 1001 mbar

UV Index: 0.4

Five Day Weather Forecast

Fri
H: 37°F
L: 18°F

Sat
H: 8°F
L: -10°F

Sun
H: 14°F
L: -6°F

Mon
H: 28°F
L: 5°F

Tue
H: 30°F
L: 14°F

Air Quality

AQI: 1 - Good

PM2.5: 7.15 μg/m3

PM10: 7.65 μg/m3

Carbon Monoxide: 172.85 μg/m3
Nitrogen Dioxide: 3.05 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 87 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

Wind Advisory issued February 26 at 8:49PM EST until February 28 at 1:00AM EST by NWS Marquette MI

Effective: Thu February 26, 2026, 8:49 PM
Expires: Fri February 27, 2026, 7:00 AM

* WHAT...West winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...Keweenaw and Northern Houghton Counties. * WHEN...From 1 PM Friday to 1 AM EST Saturday. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult, especially for high profile vehicles.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.

High Wind Warning issued February 27 at 1:31AM EST until February 28 at 1:00AM EST by NWS Marquette MI

Effective: Fri February 27, 2026, 1:31 AM
Expires: Fri February 27, 2026, 5:15 PM

* WHAT...West winds 20 to 30 mph with gusts up to 60 mph expected. * WHERE...Keweenaw and Northern Houghton Counties. * WHEN...From 1 PM this afternoon to 1 AM EST Saturday. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.

Friday, February 27, 2026

Weather Forecast

Conditions: Light freezing rain

High Temperature: 36.9°F

Low Temperature: 18.1°F

Average Temperature: 26.8°F

Average Humidity: 80%

Precipitation: 0.01 in

Chance of Rain: 80%

Chance of Snow: 10%

Maximum Wind: 29.3 mph

UV Index: 0.4

Air Quality

AQI: 1 - Good

PM2.5: 5.8 μg/m3

PM10: 6.26 μg/m3

Carbon Monoxide: 183.21 μg/m3
Nitrogen Dioxide: 2.37 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 82.56 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

Conditions: Sunny

High Temperature: 7.7°F

Low Temperature: -9.8°F

Average Temperature: 3°F

Average Humidity: 65%

Precipitation: 0 in

Chance of Rain: 0%

Chance of Snow: 0%

Maximum Wind: 19 mph

UV Index: 0.5

Air Quality

AQI: 1 - Good

PM2.5: 2.18 μg/m3

PM10: 2.59 μg/m3

Carbon Monoxide: 157.01 μg/m3
Nitrogen Dioxide: 1.09 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 83.16 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

Conditions: Sunny

High Temperature: 14.2°F

Low Temperature: -5.6°F

Average Temperature: 3.4°F

Average Humidity: 66%

Precipitation: 0 in

Chance of Rain: 0%

Chance of Snow: 0%

Maximum Wind: 8.1 mph

UV Index: 0.6

Air Quality

AQI: 1 - Good

PM2.5: 1.89 μg/m3

PM10: 2.21 μg/m3

Carbon Monoxide: 153.69 μg/m3
Nitrogen Dioxide: 1.24 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 88.96 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

Conditions: Sunny

High Temperature: 27.8°F

Low Temperature: 5.4°F

Average Temperature: 15.9°F

Average Humidity: 71%

Precipitation: 0 in

Chance of Rain: 0%

Chance of Snow: 0%

Maximum Wind: 21 mph

UV Index: 0.6

Air Quality

AQI: 1 - Good

PM2.5: 2.73 μg/m3

PM10: 3.03 μg/m3

Carbon Monoxide: 158.07 μg/m3
Nitrogen Dioxide: 1.47 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 90.84 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

Tuesday, March 3, 2026

Weather Forecast

Conditions: Light snow

High Temperature: 30.1°F

Low Temperature: 14°F

Average Temperature: 26.2°F

Average Humidity: 93%

Precipitation: 0.06 in

Chance of Rain: 68%

Chance of Snow: 55%

Maximum Wind: 19.9 mph

UV Index: 0

Air Quality

AQI: 1 - Good

PM2.5: 5.96 μg/m3

PM10: 6.37 μg/m3

Carbon Monoxide: 177.6 μg/m3
Nitrogen Dioxide: 2.64 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 87.23 μg/m3

Astronomical

Sunrise: 7:28 AM
Sun Transit: 1:02 PM
Sunset: 6:39 PM
Daylight: 11 hrs 11 mins

Moonrise: 7:12 PM
Moon Transit: 12:51 AM
Moonset: 7:30 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:21 AM - 2:51 AM
1:02 PM - 3:32 PM

Minor Periods

6:42 PM - 8:12 PM
7:00 AM - 8:30 AM

Action Rating: 5 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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Water Temperature of Lake Superior Near Isle Royale, MI

Current Water Temperature

Temperature Locations

Local Points of Interest

Nearby Water Temperatures

Weather Near Isle Royale, Michigan

Current Weather

Five Day Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Wind Advisory issued February 26 at 8:49PM EST until February 28 at 1:00AM EST by NWS Marquette MI

High Wind Warning issued February 27 at 1:31AM EST until February 28 at 1:00AM EST by NWS Marquette MI

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Webcams Near Isle Royale, MI

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