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

Current Water Temperature

39.9°F

Measurement Time: Wednesday, January 14, 2026, 12:18 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

7°F
Light snow
Light snow
-9.6°F
4.8°F
69%
N 13.4 mph
17.8 mph
-12°F
-2.1°F
0.01 in
100%
2 mi
1008 mbar
0.7

Five Day Weather Forecast

Light freezing rain
Wed
H: 17°F
L: -2°F
Partly Cloudy
Thu
H: 17°F
L: 2°F
Moderate or heavy snow showers
Fri
H: 25°F
L: 19°F
Light snow
Sat
H: 13°F
L: 1°F
Light snow
Sun
H: 2°F
L: -17°F

Air Quality

AQI: 1 - Good
PM2.5: 1.25 μg/m3
PM10: 1.35 μg/m3
Carbon Monoxide: 159.85 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 8:18 AM
Sun Transit: 12:46 AM
Sunset: 5:16 PM
Daylight: 8 hrs 58 mins
Moonrise: 5:17 AM
Moon Transit: 9:19 AM
Moonset: 1:17 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.5%

Best Times for Fishing or Hunting

Major Periods

8:49 AM - 11:19 AM
12:00 AM - 12:00 AM

Minor Periods

12:47 AM - 2:17 PM
4:47 AM - 6:17 AM

Action Rating: 2 out of 5

Winter Weather Advisory issued January 13 at 10:56PM EST until January 14 at 1:00PM EST by NWS Gaylord MI

Effective: Tue January 13, 2026, 10:56 PM
Expires: Wed January 14, 2026, 11:00 AM

* WHAT...Snow expected. Total snow accumulations of 2 to 4 inches with locally higher amounts possible. Winds gusting as high as 40 mph. * WHERE...Western Chippewa County. * WHEN...Until 1 PM EST Wednesday. * IMPACTS...Plan on slippery road conditions and poor visibilities due to blowing snow. The hazardous conditions could impact the Wednesday morning commute.

Slow down and use caution while traveling.


Winter Weather Advisory issued January 14 at 2:45AM EST until January 14 at 1:00PM EST by NWS Gaylord MI

Effective: Wed January 14, 2026, 2:45 AM
Expires: Wed January 14, 2026, 1:00 PM

* WHAT...Snow. Additional snow accumulations between 1 and 3 inches. Winds gusting as high as 35 mph. * WHERE...Western Chippewa County. * WHEN...Until 1 PM EST this afternoon. * IMPACTS...Plan on slippery road conditions and times of near whiteout conditions from blowing snow.

Slow down and use caution while traveling.
Wednesday, January 14, 2026

Weather Forecast

Light freezing rain
16.9°F
-1.5°F
12.3°F
76%
0.13 in
74%
59%
17.4 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 1.19 μg/m3
PM10: 1.24 μg/m3
Carbon Monoxide: 171.29 μg/m3
Nitrogen Dioxide: 2.1 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 71.36 μg/m3

Astronomical

Sunrise: 8:18 AM
Sun Transit: 12:46 AM
Sunset: 5:16 PM
Daylight: 8 hrs 58 mins
Moonrise: 5:17 AM
Moon Transit: 9:19 AM
Moonset: 1:17 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.5%

Best Times for Fishing or Hunting

Major Periods

8:49 AM - 11:19 AM
12:00 AM - 12:00 AM

Minor Periods

12:47 AM - 2:17 PM
4:47 AM - 6:17 AM

Action Rating: 2 out of 5

Thursday, January 15, 2026

Weather Forecast

Partly Cloudy
16.7°F
1.9°F
8.7°F
76%
0 in
0%
0%
10.3 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.73 μg/m3
PM10: 1.78 μg/m3
Carbon Monoxide: 184.57 μg/m3
Nitrogen Dioxide: 3.63 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 69.96 μg/m3

Astronomical

Sunrise: 8:17 AM
Sun Transit: 12:46 AM
Sunset: 5:17 PM
Daylight: 9 hrs mins
Moonrise: 6:19 AM
Moon Transit: 10:10 AM
Moonset: 2:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:40 AM - 12:10 AM

Minor Periods

1:30 PM - 3:00 PM
5:49 AM - 7:19 AM

Action Rating: 2 out of 5

Friday, January 16, 2026

Weather Forecast

Moderate or heavy snow showers
25.3°F
18.5°F
22.2°F
90%
0.13 in
62%
22%
10.3 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.97 μg/m3
PM10: 3.07 μg/m3
Carbon Monoxide: 189.25 μg/m3
Nitrogen Dioxide: 5.65 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 65.16 μg/m3

Astronomical

Sunrise: 8:16 AM
Sun Transit: 12:47 AM
Sunset: 5:18 PM
Daylight: 9 hrs 2 mins
Moonrise: 7:13 AM
Moon Transit: 11:02 AM
Moonset: 2:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:32 AM - 1:02 PM

Minor Periods

2:23 PM - 3:53 PM
6:43 AM - 8:13 AM

Action Rating: 3 out of 5

Saturday, January 17, 2026

Weather Forecast

Light snow
12.6°F
1.1°F
10.7°F
89%
0.04 in
70%
48%
8.7 mph
0


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

Light snow
2.1°F
-16.8°F
-2°F
91%
0.06 in
85%
31%
8.1 mph
1


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

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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