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

46.6°F
Clear
Conditions: Clear
Humidity: 69%
Feels Like: 40.1°F
Wind: WNW 16.1 mph
Wind Gusts: 34.4 mph
Pressure: 29.78 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0

Weather Forecast

Overcast
Mon
H: 48°F
L: 36°F
Overcast
Tue
H: 48°F
L: 39°F
Sunny
Wed
H: 41°F
L: 27°F

Air Quality

EPA Index 1 • Good

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

PM2.5
2.4 μg/m³
Good
PM10
3 μg/m³
Good
Ozone (O3)
58 μg/m³
Photochemical
NO2
1.5 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
132 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 33m daylight
Sunrise 6:56 AM
Solar Noon 11:42 AM
Sunset 4:29 PM
Moon
New • 2%
Moonrise 7:40 AM
Transit 11:57 AM
Moonset 4:08 PM

Best Times for Fishing or Hunting

Major Periods

11:27 AM - 1:57 PM
11:52 PM - 2:22 AM

Minor Periods

7:10 AM - 8:40 AM
3:38 PM - 5:08 PM
Action Rating:
Very Good 4/5

Small Craft Advisory issued November 9 at 1:47PM CST until November 10 at 4:00AM CST by NWS Duluth MN

Effective: Mon November 9, 2026, 7:47 PM
Expires: Tue November 10, 2026, 8:00 AM

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 2 ft expected. * WHERE...Grand Portage to Grand Marais MN, Grand Marais to Taconite Harbor MN, Taconite Harbor to Silver Bay Harbor MN and Silver Bay Harbor to Two Harbors MN. * WHEN...From 8 PM this evening to 4 AM CST Tuesday. * IMPACTS...Conditions will be hazardous to small craft.


Monday, November 9, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 42.1°F
Average Humidity: 80%
Chance of Rain: 16%
Wind: 16.1 mph
UV Index: 0.9

Astronomical

Sun
9h 33m daylight
Sunrise 6:56 AM
Solar Noon 11:42 AM
Sunset 4:29 PM
Moon
New • 2%
Moonrise 7:40 AM
Transit 11:57 AM
Moonset 4:08 PM

Best Times for Fishing or Hunting

Major Periods

11:27 AM - 1:57 PM
11:52 PM - 2:22 AM

Minor Periods

7:10 AM - 8:40 AM
3:38 PM - 5:08 PM
Action Rating:
Very Good 4/5
Tuesday, November 10, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 43.1°F
Average Humidity: 76%
Chance of Rain: 14%
Wind: 13.9 mph
UV Index: 1.4

Astronomical

Sun
9h 30m daylight
Sunrise 6:58 AM
Solar Noon 11:42 AM
Sunset 4:27 PM
Moon
New • 0%
Moonrise 8:50 AM
Transit 12:47 PM
Moonset 4:42 PM

Best Times for Fishing or Hunting

Major Periods

12:17 PM - 2:47 PM
11:52 PM - 2:22 AM

Minor Periods

8:20 AM - 9:50 AM
4:12 PM - 5:42 PM
Action Rating:
Very Good 4/5
Wednesday, November 11, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 36.2°F
Average Humidity: 80%
Chance of Rain: 56%
Wind: 11.4 mph
UV Index: 0.5

Astronomical

Sun
9h 27m daylight
Sunrise 6:59 AM
Solar Noon 11:42 AM
Sunset 4:26 PM
Moon
New • 2%
Moonrise 9:53 AM
Transit 1:39 PM
Moonset 5:24 PM

Best Times for Fishing or Hunting

Major Periods

12:43 AM - 3:13 AM
1:09 PM - 3:39 PM

Minor Periods

9:23 AM - 10:53 AM
4:54 PM - 6:24 PM
Action Rating:
Very Good 4/5
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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