Water Temperature of the Grand Portage River in Grand Portage, MN

Current Water Temperature

Current temperature data is
not available at this time.

Temperature Locations

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Local Points of Interest

Grand Portage Bay; Lake Superior

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Grand Portage River

Station Name: GRAND PORTAGE RIVER AT GRAND PORTAGE MN
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 623 feet

Nearest Address:
1 Upper Rd
Grand Portage, MN 55605
Cook County

GPS Coordinates: 47.9634982, -89.6834233

Nearby Water Temperatures

Washington Creek, Windigo, MI (25 mi)
Lake Superior, Grand Marais, MN (33.3 mi)
Grand Marais Harbor, Grand Marais, MN (33.9 mi)
Lake Superior, Lake Superior, MI (43.7 mi)
Poplar River, Lutsen, MN (52.6 mi)
Lake Superior, Calumet, MI (69.3 mi)
Pilgrim River, Houghton, MI (80.5 mi)
Baptism River, Illgen City, MN (82.8 mi)
Kawishiwi River, Ely, MN (85.7 mi)
Lake Superior, Isle Royale, MI (90.4 mi)
Keweenaw Bay, Jacobsville, MI (91.2 mi)
West Branch Ontonagon River, Bergland, MI (95.2 mi)
Presque Isle River, Tula, MI (98 mi)
Sturgeon River, Pelkie, MI (98 mi)
Falls River, L'Anse, MI (102.8 mi)

Weather for Grand Portage, Minnesota

Current Weather

34.6°F
Cloudy
Conditions: Cloudy
Humidity: 66%
Feels Like: 26.2°F
Wind: N 11.6 mph
Wind Gusts: 26.1 mph
Pressure: 30.14 in
Precipitation: 0 in
Cloud Cover: 74%
Visibility: 6 mi
UV Index: 0

Weather Forecast

Cloudy
Thu
H: 45°F
L: 29°F
Sunny
Fri
H: 40°F
L: 28°F
Sunny
Sat
H: 44°F
L: 32°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
0.2 μg/m³
Good
PM10
0.2 μg/m³
Good
Ozone (O3)
74 μg/m³
Photochemical
NO2
0.6 μg/m³
Nitrogen Dioxide
SO2
0.2 μg/m³
Sulfur Dioxide
CO
120 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 44m daylight
Sunrise 6:50 AM
Solar Noon 11:42 AM
Sunset 4:34 PM
Moon
Waning Crescent • 11%
Moonrise 2:50 AM
Transit 8:55 AM
Moonset 2:47 PM

Best Times for Fishing or Hunting

Major Periods

8:25 AM - 10:55 AM
8:47 PM - 11:17 PM

Minor Periods

2:20 AM - 3:50 AM
2:17 PM - 3:47 PM
Action Rating:
Fair Action 2/5

Gale Warning issued November 5 at 1:48PM CST until November 5 at 6:00PM CST by NWS Duluth MN

Effective: Thu November 5, 2026, 7:48 PM
Expires: Fri November 6, 2026, 12:00 AM

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and waves 1 to 4 ft. * WHERE...Grand Portage to Grand Marais MN. * WHEN...Until 6 PM CST this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility.
Thursday, November 5, 2026

Weather Forecast

Conditions: Cloudy
Average Temperature: 36.1°F
Average Humidity: 77%
Chance of Rain: 74%
Wind: 20.8 mph
UV Index: 1.1

Astronomical

Sun
9h 44m daylight
Sunrise 6:50 AM
Solar Noon 11:42 AM
Sunset 4:34 PM
Moon
Waning Crescent • 11%
Moonrise 2:50 AM
Transit 8:55 AM
Moonset 2:47 PM

Best Times for Fishing or Hunting

Major Periods

8:25 AM - 10:55 AM
8:47 PM - 11:17 PM

Minor Periods

2:20 AM - 3:50 AM
2:17 PM - 3:47 PM
Action Rating:
Fair Action 2/5
Friday, November 6, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 33.1°F
Average Humidity: 71%
Chance of Rain: 10%
Wind: 10.3 mph
UV Index: 1.6

Astronomical

Sun
9h 41m daylight
Sunrise 6:52 AM
Solar Noon 11:42 AM
Sunset 4:33 PM
Moon
Waning Crescent • 5%
Moonrise 4:03 AM
Transit 9:39 AM
Moonset 3:03 PM

Best Times for Fishing or Hunting

Major Periods

9:09 AM - 11:39 AM
9:31 PM - 12:01 AM

Minor Periods

3:33 AM - 5:03 AM
2:33 PM - 4:03 PM
Action Rating:
Fair Action 2/5
Saturday, November 7, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 37.2°F
Average Humidity: 80%
Chance of Rain: 14%
Wind: 11.2 mph
UV Index: 1.3

Astronomical

Sun
9h 38m daylight
Sunrise 6:53 AM
Solar Noon 11:42 AM
Sunset 4:31 PM
Moon
Waning Crescent • 1%
Moonrise 5:15 AM
Transit 10:23 AM
Moonset 3:21 PM

Best Times for Fishing or Hunting

Major Periods

9:53 AM - 12:23 PM
10:16 PM - 12:46 AM

Minor Periods

4:45 AM - 6:15 AM
2:51 PM - 4:21 PM
Action Rating:
Good Action 3/5
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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