Water Temperature of Grand Marais Harbor in Grand Marais, MN
Current Water Temperature
Measurement Time: Monday, September 7, 2026, 2:18 AM CDT
Temperature Locations
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Local Points of Interest
Lake Superior; Grand Marais Campground and Marina; Grand Marais Municipal ArenaStation Name: 9099090 - Grand Marais, MN
Station Type: Fixed
Data Source: National Data Buoy Center
Elevation Above Sea Level: 617 feet
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
Weather Forecast
Overnight
60°F - Mostly Cloudy
Labor Day
64°F - Slight Chance Rain Showers then Mostly Cloudy
Monday Night
60°F - Showers And Thunderstorms
Tuesday
66°F - Patchy Fog
Tuesday Night
59°F - Mostly Cloudy
Wednesday
62°F - Mostly Sunny
Wednesday Night
49°F - Partly Cloudy
Thursday
63°F - Mostly Sunny
Thursday Night
56°F - Partly Cloudy
Friday
71°F - Mostly Sunny
Friday Night
55°F - Chance Showers And Thunderstorms
Saturday
65°F - Chance Rain Showers
Saturday Night
49°F - Chance Rain Showers
Sunday
60°F - Slight Chance Rain Showers
Astronomical
Sun Transit: 1:00 PM
Sunset: 7:29 PM
Daylight: 13 hrs 1 mins
Moon Transit: 10:00 AM
Moonset: 6:02 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:30 AM - 12:00 AM
Minor Periods
5:32 PM - 7:02 PM1:13 AM - 2:43 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 7:29 PM
Daylight: 13 hrs 1 mins
Moon Transit: 10:00 AM
Moonset: 6:02 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:30 AM - 12:00 AM
Minor Periods
5:32 PM - 7:02 PM1:13 AM - 2:43 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 7:29 PM
Daylight: 13 hrs 1 mins
Moon Transit: 10:00 AM
Moonset: 6:02 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:30 AM - 12:00 AM
Minor Periods
5:32 PM - 7:02 PM1:13 AM - 2:43 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 7:29 PM
Daylight: 13 hrs 1 mins
Moon Transit: 10:00 AM
Moonset: 6:02 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:30 AM - 12:00 AM
Minor Periods
5:32 PM - 7:02 PM1:13 AM - 2:43 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 7:27 PM
Daylight: 12 hrs 58 mins
Moon Transit: 10:56 AM
Moonset: 6:28 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:26 AM - 12:56 AM
Minor Periods
5:58 PM - 7:28 PM2:37 AM - 4:07 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 7:27 PM
Daylight: 12 hrs 58 mins
Moon Transit: 10:56 AM
Moonset: 6:28 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:26 AM - 12:56 AM
Minor Periods
5:58 PM - 7:28 PM2:37 AM - 4:07 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 7:25 PM
Daylight: 12 hrs 54 mins
Moon Transit: 11:48 AM
Moonset: 6:48 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:18 AM - 1:48 PM
Minor Periods
6:18 PM - 7:48 PM4:01 AM - 5:31 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 7:25 PM
Daylight: 12 hrs 54 mins
Moon Transit: 11:48 AM
Moonset: 6:48 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:18 AM - 1:48 PM
Minor Periods
6:18 PM - 7:48 PM4:01 AM - 5:31 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 7:23 PM
Daylight: 12 hrs 51 mins
Moon Transit: 12:37 AM
Moonset: 7:06 PM
Moon Phase: New
Moon Illumination: 0.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:07 AM - 2:37 PM
Minor Periods
6:36 PM - 8:06 PM5:22 AM - 6:52 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 7:23 PM
Daylight: 12 hrs 51 mins
Moon Transit: 12:37 AM
Moonset: 7:06 PM
Moon Phase: New
Moon Illumination: 0.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:07 AM - 2:37 PM
Minor Periods
6:36 PM - 8:06 PM5:22 AM - 6:52 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 7:21 PM
Daylight: 12 hrs 48 mins
Moon Transit: 1:23 PM
Moonset: 7:22 PM
Moon Phase: New
Moon Illumination: 1.7%
Best Times for Fishing or Hunting
Major Periods
12:27 AM - 2:57 AM12:53 AM - 3:23 PM
Minor Periods
6:52 PM - 8:22 PM6:39 AM - 8:09 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 7:21 PM
Daylight: 12 hrs 48 mins
Moon Transit: 1:23 PM
Moonset: 7:22 PM
Moon Phase: New
Moon Illumination: 1.7%
Best Times for Fishing or Hunting
Major Periods
12:27 AM - 2:57 AM12:53 AM - 3:23 PM
Minor Periods
6:52 PM - 8:22 PM6:39 AM - 8:09 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 7:19 PM
Daylight: 12 hrs 44 mins
Moon Transit: 2:08 PM
Moonset: 7:38 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
1:12 AM - 3:42 AM1:38 PM - 4:08 PM
Minor Periods
7:08 PM - 8:38 PM7:55 AM - 9:25 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 7:19 PM
Daylight: 12 hrs 44 mins
Moon Transit: 2:08 PM
Moonset: 7:38 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
1:12 AM - 3:42 AM1:38 PM - 4:08 PM
Minor Periods
7:08 PM - 8:38 PM7:55 AM - 9:25 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 7:17 PM
Daylight: 12 hrs 41 mins
Moon Transit: 2:53 PM
Moonset: 7:56 PM
Moon Phase: New
Moon Illumination: 2.2%
Best Times for Fishing or Hunting
Major Periods
1:57 AM - 4:27 AM2:23 PM - 4:53 PM
Minor Periods
7:26 PM - 8:56 PM9:09 AM - 10:39 AM
Action Rating: 4 out of 5
