Water Temperature of the St. Marys River in Sault Ste. Marie, MI

Current Water Temperature

61.7°F

Measurement Time: Wednesday, September 16, 2026, 12:36 PM EDT

Temperature Locations

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Local Points of Interest

Rotary Park; Rotary Island; Steers Island; Island Number One; Sault Sainte Marie

St. Marys River

Station Name: Little Rapids
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 568 feet

Sensor Depth: -8 feet

Nearest Address:
1425 Riverside Dr
Sault Ste. Marie, MI 49783
Chippewa County

GPS Coordinates: 46.485832, -84.301666

Nearby Water Temperatures

St. Marys River, Sault Ste. Marie, MI (3.5 mi)
St. Marys River, Barbeau, MI (14.5 mi)
St. Marys River, Barbeau, MI (16.2 mi)
Lake Huron, De Tour Village, MI (39.2 mi)
Lake Huron, Bois Blanc Island, MI (49.9 mi)
Straits of Mackinac, Mackinaw City, MI (50.9 mi)
Seul Choix Bay, Port Inland, MI (83.1 mi)
Little Traverse Bay, Petoskey, MI (83.7 mi)
Lake Huron, Alpena, MI (105.3 mi)
Miners River, Munising, MI (106.5 mi)
Thunder Bay River, Alpena, MI (106.9 mi)
Lake Huron, Alpena, MI (114.8 mi)
North Branch Au Sable River, Grayling, MI (122.4 mi)
Au Sable River, Luzerne, MI (125 mi)
Au Sable River, Mio, MI (126.4 mi)

Weather for Sault Ste. Marie, Michigan

Current Weather

62°F
Sunny
Sunny
70%
W 5 mph
52°F

Weather Forecast

Sunny
This Afternoon
68°F - Sunny
Mostly Cloudy then Slight Chance Rain Showers
Tonight
50°F - Mostly Cloudy then Slight Chance Rain Showers
Slight Chance Rain Showers then Mostly Sunny
Thursday
69°F - Slight Chance Rain Showers then Mostly Sunny
Mostly Clear
Thursday Night
47°F - Mostly Clear
Mostly Sunny
Friday
62°F - Mostly Sunny
Mostly Cloudy then Slight Chance Rain Showers
Friday Night
49°F - Mostly Cloudy then Slight Chance Rain Showers
Chance Rain Showers
Saturday
62°F - Chance Rain Showers
Slight Chance Rain Showers then Mostly Cloudy
Saturday Night
49°F - Slight Chance Rain Showers then Mostly Cloudy
Mostly Sunny
Sunday
66°F - Mostly Sunny
Partly Cloudy
Sunday Night
47°F - Partly Cloudy
Mostly Cloudy
Monday
62°F - Mostly Cloudy
Mostly Cloudy
Monday Night
50°F - Mostly Cloudy
Mostly Sunny
Tuesday
65°F - Mostly Sunny
Mostly Cloudy then Slight Chance Rain Showers
Tuesday Night
52°F - Mostly Cloudy then Slight Chance Rain Showers

Astronomical

Sunrise: 7:16 AM
Sun Transit: 1:31 PM
Sunset: 7:46 PM
Daylight: 12 hrs 30 mins
Moonrise: 1:44 PM
Moon Transit: 5:51 PM
Moonset: 9:54 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

5:43 AM - 8:13 AM
5:21 PM - 7:51 PM

Minor Periods

9:24 PM - 10:54 PM
1:14 PM - 2:44 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 1:31 PM
Sunset: 7:46 PM
Daylight: 12 hrs 30 mins
Moonrise: 1:44 PM
Moon Transit: 5:51 PM
Moonset: 9:54 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

5:43 AM - 8:13 AM
5:21 PM - 7:51 PM

Minor Periods

9:24 PM - 10:54 PM
1:14 PM - 2:44 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 1:31 PM
Sunset: 7:46 PM
Daylight: 12 hrs 30 mins
Moonrise: 1:44 PM
Moon Transit: 5:51 PM
Moonset: 9:54 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

5:43 AM - 8:13 AM
5:21 PM - 7:51 PM

Minor Periods

9:24 PM - 10:54 PM
1:14 PM - 2:44 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 1:31 PM
Sunset: 7:44 PM
Daylight: 12 hrs 27 mins
Moonrise: 2:48 PM
Moon Transit: 6:42 PM
Moonset: 10:35 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

6:33 AM - 9:03 AM
6:12 PM - 8:42 PM

Minor Periods

10:05 PM - 11:35 PM
2:18 PM - 3:48 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 1:31 PM
Sunset: 7:44 PM
Daylight: 12 hrs 27 mins
Moonrise: 2:48 PM
Moon Transit: 6:42 PM
Moonset: 10:35 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

6:33 AM - 9:03 AM
6:12 PM - 8:42 PM

Minor Periods

10:05 PM - 11:35 PM
2:18 PM - 3:48 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 1:31 PM
Sunset: 7:42 PM
Daylight: 12 hrs 24 mins
Moonrise: 3:43 PM
Moon Transit: 7:33 PM
Moonset: 11:24 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

7:25 AM - 9:55 AM
7:03 PM - 9:33 PM

Minor Periods

12:00 AM - 12:00 AM
3:13 PM - 4:43 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 1:31 PM
Sunset: 7:42 PM
Daylight: 12 hrs 24 mins
Moonrise: 3:43 PM
Moon Transit: 7:33 PM
Moonset: 11:24 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

7:25 AM - 9:55 AM
7:03 PM - 9:33 PM

Minor Periods

12:00 AM - 12:00 AM
3:13 PM - 4:43 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 1:30 PM
Sunset: 7:40 PM
Daylight: 12 hrs 20 mins
Moonrise: 4:30 PM
Moon Transit: 8:24 PM
Moonset: 12:24 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

8:16 AM - 10:46 AM
7:54 PM - 10:24 PM

Minor Periods

4:00 PM - 5:30 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 1:30 PM
Sunset: 7:40 PM
Daylight: 12 hrs 20 mins
Moonrise: 4:30 PM
Moon Transit: 8:24 PM
Moonset: 12:24 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

8:16 AM - 10:46 AM
7:54 PM - 10:24 PM

Minor Periods

4:00 PM - 5:30 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 1:30 PM
Sunset: 7:38 PM
Daylight: 12 hrs 17 mins
Moonrise: 5:07 PM
Moon Transit: 9:14 PM
Moonset: 12:23 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

9:07 AM - 11:37 AM
8:44 PM - 11:14 PM

Minor Periods

4:37 PM - 6:07 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 1:30 PM
Sunset: 7:38 PM
Daylight: 12 hrs 17 mins
Moonrise: 5:07 PM
Moon Transit: 9:14 PM
Moonset: 12:23 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

9:07 AM - 11:37 AM
8:44 PM - 11:14 PM

Minor Periods

4:37 PM - 6:07 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 1:30 PM
Sunset: 7:36 PM
Daylight: 12 hrs 14 mins
Moonrise: 5:36 PM
Moon Transit: 10:02 PM
Moonset: 1:28 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

9:56 AM - 12:26 AM
12:00 AM - 12:00 AM

Minor Periods

5:06 PM - 6:36 PM
12:58 AM - 2:28 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 1:30 PM
Sunset: 7:36 PM
Daylight: 12 hrs 14 mins
Moonrise: 5:36 PM
Moon Transit: 10:02 PM
Moonset: 1:28 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

9:56 AM - 12:26 AM
12:00 AM - 12:00 AM

Minor Periods

5:06 PM - 6:36 PM
12:58 AM - 2:28 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 1:29 PM
Sunset: 7:34 PM
Daylight: 12 hrs 10 mins
Moonrise: 6:00 PM
Moon Transit: 10:49 PM
Moonset: 2:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

10:43 AM - 1:13 PM
12:00 AM - 12:00 AM

Minor Periods

5:30 PM - 7:00 PM
2:08 AM - 3:38 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 1:29 PM
Sunset: 7:34 PM
Daylight: 12 hrs 10 mins
Moonrise: 6:00 PM
Moon Transit: 10:49 PM
Moonset: 2:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

10:43 AM - 1:13 PM
12:00 AM - 12:00 AM

Minor Periods

5:30 PM - 7:00 PM
2:08 AM - 3:38 AM

Action Rating: 2 out of 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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