Water Temperature of Grand Marais Harbor in Grand Marais, MN
Current Water Temperature
Measurement Time: Tuesday, December 3, 2024, 6:18 AM CST
Temperature Locations
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Local Points of Interest
Lake Superior; Grand Marais Campground and Marina; Grand Marais Municipal ArenaSponsored Content
Station Name: 9099090 - Grand Marais, MN
Station Type: Fixed
Data Source: National Data Buoy Center
Elevation Above Sea Level: 617 feet / 188 meters
Nearest Address:
391 MN-61
Grand Marais, MN 55604
Cook County
GPS Coordinates: 47.749, -90.341
Nearby Water Temperatures
Lake Superior, Grand Marais, MN (0.6 mi)Poplar River, Lutsen, MN (18.8 mi)
Grand Portage River, Grand Portage, MN (33.9 mi)
Lake Superior, Lake Superior, MI (38.4 mi)
Baptism River, Illgen City, MN (49.1 mi)
Kawishiwi River, Ely, MN (56.7 mi)
Washington Creek, Windigo, MI (56.7 mi)
Dunka River, Babbitt, MN (70.8 mi)
Dunka River, Babbitt, MN (71.1 mi)
Partrige River, Babbitt, MN (74.2 mi)
Lake Superior, Two Harbors, MN (79.9 mi)
Saint Louis River, Hoyt Lakes, MN (81.3 mi)
Chequamegon Bay, Ashland, WI (81.3 mi)
Presque Isle River, Tula, MI (87.2 mi)
Lake Superior, Calumet, MI (87.4 mi)
Weather for Grand Marais, Minnesota
Current Weather

Humidity: 72%
Feels Like: 28°F
Wind: W 8.9 mph
Wind Gusts: 12 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0.5
Five Day Weather Forecast

Fri
H: 39°F
L: 14°F

Sat
H: 21°F
L: 11°F

Sun
H: 32°F
L: 22°F

Mon
H: 34°F
L: 24°F

Tue
H: 35°F
L: 20°F
Air Quality
Nitrogen Dioxide: 0.34 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 101 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 7:16 PM
Daylight: 12 hrs 14 mins
Moon Transit: 6:17 AM
Moonset: 9:58 AM
Moon Phase: Last Quarter
Moon Illumination: 43.0%
Best Times for Fishing or Hunting
Major Periods
5:47 AM - 8:17 AM6:11 PM - 8:41 PM
Minor Periods
9:28 AM - 10:58 AM2:05 AM - 3:35 AM
Action Rating: 2 out of 5
Winter Storm Watch issued March 21 at 2:28AM CDT until March 24 at 7:00AM CDT by NWS Duluth MN
Effective: Fri March 21, 2025, 2:28 AM
Expires: Fri March 21, 2025, 5:00 PM
* WHAT...Heavy snow possible. Total snow accumulations of 7 inches or greater possible. * WHERE... Cook and Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation. This also includes the Boundary Waters eastern and central area. * WHEN...From late Saturday night through Monday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute.
Monitor the latest forecasts for updates on this situation.
Winter Storm Watch issued March 21 at 2:28AM CDT until March 24 at 7:00AM CDT by NWS Duluth MN
Effective: Fri March 21, 2025, 2:28 AM
Expires: Fri March 21, 2025, 5:00 PM
* WHAT...Heavy snow possible. Total snow accumulations of 7 inches or greater possible. * WHERE... Cook and Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation. This also includes the Boundary Waters eastern and central area. * WHEN...From late Saturday night through Monday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute.
Monitor the latest forecasts for updates on this situation.
Weather Forecast
Average Temperature: 29.8°F
Average Humidity: 62%
Wind: 16.1 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 1.88 μg/m3
Sulphur Dioxide: 2.07 μg/m3
Ozone: 95.12 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 7:16 PM
Daylight: 12 hrs 14 mins
Moon Transit: 6:17 AM
Moonset: 9:58 AM
Moon Phase: Last Quarter
Moon Illumination: 43.0%
Best Times for Fishing or Hunting
Major Periods
5:47 AM - 8:17 AM6:11 PM - 8:41 PM
Minor Periods
9:28 AM - 10:58 AM2:05 AM - 3:35 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 16.9°F
Average Humidity: 56%
Wind: 12.8 mph
UV Index: 0.7
Air Quality
Nitrogen Dioxide: 0.25 μg/m3
Sulphur Dioxide: 0.17 μg/m3
Ozone: 79.4 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 7:17 PM
Daylight: 12 hrs 18 mins
Moon Transit: 7:11 AM
Moonset: 10:51 AM
Moon Phase: Last Quarter
Moon Illumination: 32.1%
Best Times for Fishing or Hunting
Major Periods
6:41 AM - 9:11 AM7:06 PM - 9:36 PM
Minor Periods
10:21 AM - 11:51 AM3:03 AM - 4:33 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 27.7°F
Average Humidity: 92%
Wind: 22.6 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 3.18 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 81.4 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 7:19 PM
Daylight: 12 hrs 21 mins
Moon Transit: 8:06 AM
Moonset: 11:56 AM
Moon Phase: Last Quarter
Moon Illumination: 22.0%
Best Times for Fishing or Hunting
Major Periods
7:36 AM - 10:06 AM8:01 PM - 10:31 PM
Minor Periods
11:26 AM - 12:56 AM3:52 AM - 5:22 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 28.5°F
Average Humidity: 86%
Wind: 19.2 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 2.19 μg/m3
Sulphur Dioxide: 0.57 μg/m3
Ozone: 85 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 7:20 PM
Daylight: 12 hrs 25 mins
Moon Transit: 9:01 AM
Moonset: 1:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.4%
Best Times for Fishing or Hunting
Major Periods
8:31 AM - 11:01 AM8:55 PM - 11:25 PM
Minor Periods
12:42 AM - 2:12 PM4:29 AM - 5:59 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 27.4°F
Average Humidity: 83%
Wind: 6.5 mph
UV Index: 1
Air Quality
Nitrogen Dioxide: 0.92 μg/m3
Sulphur Dioxide: 0.19 μg/m3
Ozone: 85.08 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 7:22 PM
Daylight: 12 hrs 28 mins
Moon Transit: 9:55 AM
Moonset: 2:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:25 AM - 11:55 AM
Minor Periods
2:03 PM - 3:33 PM4:58 AM - 6:28 AM
Action Rating: 3 out of 5