Water Temperature of Lake Superior in Grand Marais, MN
Current Water Temperature
Measurement Time: Wednesday, January 28, 2026, 6:30 AM CST
Temperature Locations
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Station Name: Grand Marais
Data Source: USGS
Elevation Above Sea Level: 607 feet
Nearest Address:
2nd Street
Grand Marais, MN 55604
Cook County
GPS Coordinates: 47.7517, -90.3283
Nearby Water Temperatures
Grand Marais Harbor, Grand Marais, MN (0.6 mi)Poplar River, Lutsen, MN (19.4 mi)
Grand Portage River, Grand Portage, MN (33.3 mi)
Lake Superior, Lake Superior, MI (38.1 mi)
Baptism River, Illgen City, MN (49.7 mi)
Washington Creek, Windigo, MI (56.1 mi)
Kawishiwi River, Ely, MN (57.2 mi)
Dunka River, Babbitt, MN (71.4 mi)
Dunka River, Babbitt, MN (71.7 mi)
Partrige River, Babbitt, MN (74.9 mi)
Lake Superior, Two Harbors, MN (80.5 mi)
Chequamegon Bay, Ashland, WI (81.7 mi)
Saint Louis River, Hoyt Lakes, MN (81.9 mi)
Lake Superior, Calumet, MI (86.9 mi)
Presque Isle River, Tula, MI (87.2 mi)
Weather for Grand Marais, Minnesota
Current Weather

Five Day Weather Forecast

Fri
H: 11°F
L: -7°F

Sat
H: 20°F
L: 5°F

Sun
H: 24°F
L: 16°F

Mon
H: 22°F
L: 7°F

Tue
H: 17°F
L: -2°F
Air Quality
Nitrogen Dioxide: 0.98 μg/m3
Sulphur Dioxide: 0.78 μg/m3
Ozone: 75 μg/m3
Astronomical
Sun Transit: 12:14 AM
Sunset: 4:59 PM
Daylight: 9 hrs 29 mins
Moon Transit: 10:41 PM
Moonset: 6:20 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%
Best Times for Fishing or Hunting
Major Periods
9:36 AM - 12:06 AM12:00 AM - 12:00 AM
Minor Periods
1:33 PM - 3:03 PM5:50 AM - 7:20 AM
Action Rating: 3 out of 5
Cold Weather Advisory issued January 29 at 9:33PM CST until January 30 at 11:00AM CST by NWS Duluth MN
Effective: Thu January 29, 2026, 9:33 PM
Expires: Fri January 30, 2026, 9:45 AM
* WHAT...Very cold wind chills as low as 35 degrees below zero expected. * WHERE...Crow Wing, Aitkin, Pine, Koochiching, Cass, Itasca, Carlton, St. Louis, Cook and Lake Counties. This includes the Tribal Lands of the Fond du Lac Band, the Grand Portage Reservation, the Mille Lacs Band, Big Sandy Lake, East Lake, Hinckley and, Lena Lake areas and the Bois Forte Band, Lake Vermilion, Nett Lake and, Deer Creek areas. Other locations including Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...Until 11 AM CST Friday. * IMPACTS...The dangerously cold wind chills as low as 35 degrees below zero could cause frostbite on exposed skin in as little as 10 minutes.
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Cold Weather Advisory issued January 30 at 1:35AM CST until January 30 at 11:00AM CST by NWS Duluth MN
Effective: Fri January 30, 2026, 1:35 AM
Expires: Fri January 30, 2026, 11:00 AM
* WHAT...Very cold wind chills as low as 35 degrees below zero. * WHERE...Northeast and north central Minnesota. * WHEN...Until 11 AM CST this morning. * IMPACTS...The dangerously cold wind chills as low as 35 degrees below zero could cause frostbite on exposed skin in as little as 10 minutes.
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Weather Forecast
Air Quality
Nitrogen Dioxide: 0.94 μg/m3
Sulphur Dioxide: 0.91 μg/m3
Ozone: 73.6 μg/m3
Astronomical
Sun Transit: 12:14 AM
Sunset: 4:59 PM
Daylight: 9 hrs 29 mins
Moon Transit: 10:41 PM
Moonset: 6:20 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%
Best Times for Fishing or Hunting
Major Periods
9:36 AM - 12:06 AM12:00 AM - 12:00 AM
Minor Periods
1:33 PM - 3:03 PM5:50 AM - 7:20 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.61 μg/m3
Sulphur Dioxide: 0.99 μg/m3
Ozone: 72.96 μg/m3
Astronomical
Sun Transit: 12:14 AM
Sunset: 5:01 PM
Daylight: 9 hrs 32 mins
Moon Transit: 11:40 PM
Moonset: 7:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.9%
Best Times for Fishing or Hunting
Major Periods
10:38 AM - 1:08 PM12:00 AM - 12:00 AM
Minor Periods
2:56 PM - 4:26 PM6:35 AM - 8:05 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.33 μg/m3
Sulphur Dioxide: 1.04 μg/m3
Ozone: 74.72 μg/m3
Astronomical
Sun Transit: 12:14 AM
Sunset: 5:02 PM
Daylight: 9 hrs 34 mins
Moon Transit: 12:00 AM
Moonset: 7:37 AM
Moon Phase: Full
Moon Illumination: 99.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:36 AM - 2:06 PM
Minor Periods
4:21 PM - 5:51 PM7:07 AM - 8:37 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.81 μg/m3
Sulphur Dioxide: 0.85 μg/m3
Ozone: 72.28 μg/m3
Astronomical
Sun Transit: 12:15 AM
Sunset: 5:04 PM
Daylight: 9 hrs 37 mins
Moon Transit: 12:35 AM
Moonset: 8:01 AM
Moon Phase: Full
Moon Illumination: 99.4%
Best Times for Fishing or Hunting
Major Periods
12:05 AM - 2:35 AM12:28 AM - 2:58 PM
Minor Periods
5:43 PM - 7:13 PM7:31 AM - 9:01 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.23 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 70.92 μg/m3
Astronomical
Sun Transit: 12:15 AM
Sunset: 5:05 PM
Daylight: 9 hrs 40 mins
Moon Transit: 1:25 AM
Moonset: 8:20 AM
Moon Phase: Full
Moon Illumination: 96.3%
Best Times for Fishing or Hunting
Major Periods
12:55 AM - 3:25 AM1:16 PM - 3:46 PM
Minor Periods
7:01 PM - 8:31 PM7:50 AM - 9:20 AM
Action Rating: 4 out of 5
