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

Current Water Temperature

63.5°F

Measurement Time: Wednesday, September 23, 2026, 3:00 AM EDT

Temperature Locations

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Local Points of Interest

Ashmun Bay; Whitefish Island; St. Mary's Island; Soo Locks; Sault Sainte Marie

St. Marys River

Station Name: S.W. Pier, St. Marys River
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 597 feet

Sensor Depth: -4 feet

Nearest Address:
Point West Dr
Sault Ste. Marie, MI 49783
Chippewa County

GPS Coordinates: 46.501111, -84.372611

Nearby Water Temperatures

St. Marys River, Sault Ste. Marie, MI (3.5 mi)
St. Marys River, Barbeau, MI (16.8 mi)
St. Marys River, Barbeau, MI (18.5 mi)
Lake Huron, De Tour Village, MI (41.8 mi)
Straits of Mackinac, Mackinaw City, MI (50.5 mi)
Lake Huron, Bois Blanc Island, MI (51.6 mi)
Seul Choix Bay, Port Inland, MI (80.5 mi)
Little Traverse Bay, Petoskey, MI (83.1 mi)
Miners River, Munising, MI (103.1 mi)
Lake Huron, Alpena, MI (108.3 mi)
Thunder Bay River, Alpena, MI (109.3 mi)
Lake Huron, Alpena, MI (117.3 mi)
North Branch Au Sable River, Grayling, MI (123.3 mi)
Au Sable River, Luzerne, MI (126.1 mi)
Lake Michigan, Leland, MI (126.3 mi)

Weather for Sault Ste. Marie, Michigan

Current Weather

51°F
Clear
Clear
71%
E 5 mph
42°F

Weather Forecast

Clear
Overnight
47°F - Clear
Sunny
Wednesday
64°F - Sunny
Clear
Wednesday Night
47°F - Clear
Sunny
Thursday
66°F - Sunny
Partly Cloudy
Thursday Night
48°F - Partly Cloudy
Mostly Sunny
Friday
67°F - Mostly Sunny
Mostly Clear
Friday Night
48°F - Mostly Clear
Sunny
Saturday
68°F - Sunny
Mostly Clear
Saturday Night
48°F - Mostly Clear
Partly Sunny
Sunday
68°F - Partly Sunny
Mostly Cloudy
Sunday Night
51°F - Mostly Cloudy
Partly Sunny
Monday
69°F - Partly Sunny
Partly Cloudy
Monday Night
53°F - Partly Cloudy
Mostly Sunny then Chance Rain Showers
Tuesday
69°F - Mostly Sunny then Chance Rain Showers

Astronomical

Sunrise: 7:26 AM
Sun Transit: 1:29 PM
Sunset: 7:33 PM
Daylight: 12 hrs 7 mins
Moonrise: 6:20 PM
Moon Transit: 11:34 PM
Moonset: 3:48 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

11:28 AM - 1:58 PM
12:00 AM - 12:00 AM

Minor Periods

5:50 PM - 7:20 PM
3:18 AM - 4:48 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: 7:26 AM
Sun Transit: 1:29 PM
Sunset: 7:33 PM
Daylight: 12 hrs 7 mins
Moonrise: 6:20 PM
Moon Transit: 11:34 PM
Moonset: 3:48 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

11:28 AM - 1:58 PM
12:00 AM - 12:00 AM

Minor Periods

5:50 PM - 7:20 PM
3:18 AM - 4:48 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: 7:26 AM
Sun Transit: 1:29 PM
Sunset: 7:33 PM
Daylight: 12 hrs 7 mins
Moonrise: 6:20 PM
Moon Transit: 11:34 PM
Moonset: 3:48 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

11:28 AM - 1:58 PM
12:00 AM - 12:00 AM

Minor Periods

5:50 PM - 7:20 PM
3:18 AM - 4:48 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: 7:26 AM
Sun Transit: 1:29 PM
Sunset: 7:33 PM
Daylight: 12 hrs 7 mins
Moonrise: 6:20 PM
Moon Transit: 11:34 PM
Moonset: 3:48 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

11:28 AM - 1:58 PM
12:00 AM - 12:00 AM

Minor Periods

5:50 PM - 7:20 PM
3:18 AM - 4:48 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: 7:27 AM
Sun Transit: 1:29 PM
Sunset: 7:31 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:38 PM
Moon Transit: 12:00 AM
Moonset: 5:00 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:12 AM - 2:42 PM

Minor Periods

6:08 PM - 7:38 PM
4:30 AM - 6:00 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: 7:27 AM
Sun Transit: 1:29 PM
Sunset: 7:31 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:38 PM
Moon Transit: 12:00 AM
Moonset: 5:00 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:12 AM - 2:42 PM

Minor Periods

6:08 PM - 7:38 PM
4:30 AM - 6:00 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: 7:28 AM
Sun Transit: 1:29 PM
Sunset: 7:29 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:55 PM
Moon Transit: 12:18 AM
Moonset: 6:11 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:56 AM - 3:26 PM

Minor Periods

6:25 PM - 7:55 PM
5:41 AM - 7:11 AM

Action Rating: 5 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: 7:28 AM
Sun Transit: 1:29 PM
Sunset: 7:29 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:55 PM
Moon Transit: 12:18 AM
Moonset: 6:11 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:56 AM - 3:26 PM

Minor Periods

6:25 PM - 7:55 PM
5:41 AM - 7:11 AM

Action Rating: 5 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: 7:29 AM
Sun Transit: 1:28 PM
Sunset: 7:27 PM
Daylight: 11 hrs 57 mins
Moonrise: 7:12 PM
Moon Transit: 8:33 AM
Moonset: 7:24 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:42 PM - 8:12 PM
6:54 AM - 8:24 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: 7:29 AM
Sun Transit: 1:28 PM
Sunset: 7:27 PM
Daylight: 11 hrs 57 mins
Moonrise: 7:12 PM
Moon Transit: 8:33 AM
Moonset: 7:24 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:42 PM - 8:12 PM
6:54 AM - 8:24 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: 7:31 AM
Sun Transit: 1:28 PM
Sunset: 7:25 PM
Daylight: 11 hrs 54 mins
Moonrise: 7:31 PM
Moon Transit: 12:00 AM
Moonset: 8:40 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:28 PM - 4:58 PM

Minor Periods

7:01 PM - 8:31 PM
8:10 AM - 9:40 AM

Action Rating: 4 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: 7:31 AM
Sun Transit: 1:28 PM
Sunset: 7:25 PM
Daylight: 11 hrs 54 mins
Moonrise: 7:31 PM
Moon Transit: 12:00 AM
Moonset: 8:40 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:28 PM - 4:58 PM

Minor Periods

7:01 PM - 8:31 PM
8:10 AM - 9:40 AM

Action Rating: 4 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: 7:32 AM
Sun Transit: 1:28 PM
Sunset: 7:23 PM
Daylight: 11 hrs 51 mins
Moonrise: 7:54 PM
Moon Transit: 2:36 AM
Moonset: 9:59 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

2:06 AM - 4:36 AM
3:18 PM - 5:48 PM

Minor Periods

7:24 PM - 8:54 PM
9:29 AM - 10:59 AM

Action Rating: 4 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: 7:32 AM
Sun Transit: 1:28 PM
Sunset: 7:23 PM
Daylight: 11 hrs 51 mins
Moonrise: 7:54 PM
Moon Transit: 2:36 AM
Moonset: 9:59 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

2:06 AM - 4:36 AM
3:18 PM - 5:48 PM

Minor Periods

7:24 PM - 8:54 PM
9:29 AM - 10:59 AM

Action Rating: 4 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: 7:33 AM
Sun Transit: 1:27 PM
Sunset: 7:21 PM
Daylight: 11 hrs 47 mins
Moonrise: 8:23 PM
Moon Transit: 3:28 AM
Moonset: 11:20 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:58 AM - 5:28 AM
4:12 PM - 6:42 PM

Minor Periods

7:53 PM - 9:23 PM
10:50 AM - 12:20 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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