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

Current Water Temperature

41.0°F

Measurement Time: Saturday, January 17, 2026, 7:06 PM EST

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

21.9°F
Patchy light snow
Patchy light snow
14.8°F
23.6°F
84%
NNW 5.4 mph
8.7 mph
17.6°F
20.8°F
0 in
100%
2 mi
1009 mbar
0

Five Day Weather Forecast

Overcast
Sat
H: 26°F
L: 16°F
Freezing fog
Sun
H: 13°F
L: -11°F
Heavy snow
Mon
H: 13°F
L: -10°F
Patchy moderate snow
Tue
H: -6°F
L: -21°F
Light snow
Wed
H: 10°F
L: -22°F

Air Quality

PM2.5: 2.45 μg/m3
PM10: 2.45 μg/m3
Carbon Monoxide: 194.85 μg/m3
Nitrogen Dioxide: 5.95 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 57 μg/m3

Astronomical

Sunrise: 8:16 AM
Sun Transit: 12:47 AM
Sunset: 5:20 PM
Daylight: 9 hrs 4 mins
Moonrise: 7:58 AM
Moon Transit: 11:55 AM
Moonset: 3:56 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:25 AM - 1:55 PM

Minor Periods

3:26 PM - 4:56 PM
7:28 AM - 8:58 AM

Action Rating: 4 out of 5

Saturday, January 17, 2026

Weather Forecast

Overcast
25.7°F
16.3°F
20.5°F
87%
0 in
0%
6%
7.6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.53 μg/m3
PM10: 2.57 μg/m3
Carbon Monoxide: 195.89 μg/m3
Nitrogen Dioxide: 6.23 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 55.48 μg/m3

Astronomical

Sunrise: 8:16 AM
Sun Transit: 12:47 AM
Sunset: 5:20 PM
Daylight: 9 hrs 4 mins
Moonrise: 7:58 AM
Moon Transit: 11:55 AM
Moonset: 3:56 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:25 AM - 1:55 PM

Minor Periods

3:26 PM - 4:56 PM
7:28 AM - 8:58 AM

Action Rating: 4 out of 5

Sunday, January 18, 2026

Weather Forecast

Freezing fog
13.2°F
-11°F
4.7°F
95%
0.03 in
78%
58%
5.6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.59 μg/m3
PM10: 2.61 μg/m3
Carbon Monoxide: 199.31 μg/m3
Nitrogen Dioxide: 6.13 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 56.62 μg/m3

Astronomical

Sunrise: 8:15 AM
Sun Transit: 12:47 AM
Sunset: 5:21 PM
Daylight: 9 hrs 6 mins
Moonrise: 8:34 AM
Moon Transit: 12:46 AM
Moonset: 5:06 PM
Moon Phase: New
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 AM
12:16 AM - 2:46 PM

Minor Periods

4:36 PM - 6:06 PM
8:04 AM - 9:34 AM

Action Rating: 4 out of 5

Monday, January 19, 2026

Weather Forecast

Heavy snow
13.3°F
-9.9°F
6.3°F
92%
0.09 in
85%
62%
13.6 mph
0


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: 8:14 AM
Sun Transit: 12:48 AM
Sunset: 5:22 PM
Daylight: 9 hrs 8 mins
Moonrise: 9:02 AM
Moon Transit: 1:35 PM
Moonset: 6:19 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

1:28 AM - 3:58 AM
1:05 PM - 3:35 PM

Minor Periods

5:49 PM - 7:19 PM
8:32 AM - 10:02 AM

Action Rating: 5 out of 5

Tuesday, January 20, 2026

Weather Forecast

Patchy moderate snow
-5.6°F
-21.4°F
-13.4°F
92%
0.04 in
88%
40%
7.8 mph
1


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: 8:13 AM
Sun Transit: 12:48 AM
Sunset: 5:24 PM
Daylight: 9 hrs 10 mins
Moonrise: 9:25 AM
Moon Transit: 2:23 PM
Moonset: 7:32 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

2:16 AM - 4:46 AM
1:53 PM - 4:23 PM

Minor Periods

7:02 PM - 8:32 PM
8:55 AM - 10:25 AM

Action Rating: 3 out of 5

Wednesday, January 21, 2026

Weather Forecast

Light snow
10.3°F
-21.6°F
-4°F
96%
0.02 in
64%
62%
5.6 mph
1


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: 8:12 AM
Sun Transit: 12:48 AM
Sunset: 5:25 PM
Daylight: 9 hrs 13 mins
Moonrise: 9:44 AM
Moon Transit: 3:08 PM
Moonset: 8:45 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%

Best Times for Fishing or Hunting

Major Periods

3:02 AM - 5:32 AM
2:38 PM - 5:08 PM

Minor Periods

8:15 PM - 9:45 PM
9:14 AM - 10:44 AM

Action Rating: 3 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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