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

Current Water Temperature

39.6°F

Measurement Time: Saturday, January 10, 2026, 4:54 AM 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

30°F
Overcast
Overcast
25.7°F
30.5°F
92%
ESE 4 mph
8.5 mph
26.6°F
29.6°F
0 in
100%
9 mi
1020 mbar
0

Five Day Weather Forecast

Light freezing rain
Sat
H: 30°F
L: 16°F
Moderate or heavy snow showers
Sun
H: 22°F
L: 18°F
Moderate snow
Mon
H: 32°F
L: 23°F
Freezing fog
Tue
H: 32°F
L: 22°F
Heavy snow
Wed
H: 10°F
L: -1°F

Air Quality

AQI: 1 - Good
PM2.5: 2.05 μg/m3
PM10: 2.15 μg/m3
Carbon Monoxide: 179.85 μg/m3
Nitrogen Dioxide: 4.35 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 62 μg/m3

Astronomical

Sunrise: 8:19 AM
Sun Transit: 12:44 AM
Sunset: 5:11 PM
Daylight: 8 hrs 51 mins
Moonrise: 12:48 AM
Moon Transit: 6:19 AM
Moonset: 11:39 AM
Moon Phase: Last Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

5:49 AM - 8:19 AM
6:56 PM - 9:26 PM

Minor Periods

11:09 AM - 12:39 AM
12:18 AM - 1:48 AM

Action Rating: 3 out of 5

Winter Weather Advisory issued January 9 at 2:52PM EST until January 11 at 10:00AM EST by NWS Gaylord MI

Effective: Fri January 9, 2026, 2:52 PM
Expires: Sat January 10, 2026, 3:00 AM

* WHAT...Snow expected. Total snow accumulations between 3 and 6 inches. Winds gusting as high as 30 mph Saturday night into Sunday morning. * WHERE...Mackinac Island/Bois Blanc Island. * WHEN...From 10 AM Saturday to 10 AM EST Sunday. * IMPACTS...Travel could be difficult. Plan on snow-covered and slippery road conditions.

Slow down and use caution while traveling.
Saturday, January 10, 2026

Weather Forecast

Light freezing rain
30.4°F
15.8°F
27.7°F
89%
0.35 in
62%
48%
8.7 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 2 μg/m3
PM10: 2.07 μg/m3
Carbon Monoxide: 182.97 μg/m3
Nitrogen Dioxide: 3.85 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 64.88 μg/m3

Astronomical

Sunrise: 8:19 AM
Sun Transit: 12:44 AM
Sunset: 5:11 PM
Daylight: 8 hrs 51 mins
Moonrise: 12:48 AM
Moon Transit: 6:19 AM
Moonset: 11:39 AM
Moon Phase: Last Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

5:49 AM - 8:19 AM
6:56 PM - 9:26 PM

Minor Periods

11:09 AM - 12:39 AM
12:18 AM - 1:48 AM

Action Rating: 3 out of 5

Sunday, January 11, 2026

Weather Forecast

Moderate or heavy snow showers
22.1°F
17.8°F
22°F
84%
0.07 in
86%
10%
13 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.59 μg/m3
PM10: 1.71 μg/m3
Carbon Monoxide: 172.97 μg/m3
Nitrogen Dioxide: 2.45 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 74.92 μg/m3

Astronomical

Sunrise: 8:19 AM
Sun Transit: 12:45 AM
Sunset: 5:12 PM
Daylight: 8 hrs 53 mins
Moonrise: 1:55 AM
Moon Transit: 7:01 AM
Moonset: 11:57 AM
Moon Phase: Last Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

6:31 AM - 9:01 AM
7:39 PM - 10:09 PM

Minor Periods

11:27 AM - 12:57 AM
1:25 AM - 2:55 AM

Action Rating: 2 out of 5

Monday, January 12, 2026

Weather Forecast

Moderate snow
31.5°F
23.2°F
27.6°F
89%
0.38 in
88%
31%
9.2 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.27 μg/m3
PM10: 2.52 μg/m3
Carbon Monoxide: 178.81 μg/m3
Nitrogen Dioxide: 3.17 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 75.56 μg/m3

Astronomical

Sunrise: 8:19 AM
Sun Transit: 12:45 AM
Sunset: 5:13 PM
Daylight: 8 hrs 54 mins
Moonrise: 3:03 AM
Moon Transit: 7:44 AM
Moonset: 12:18 AM
Moon Phase: Last Quarter
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

7:14 AM - 9:44 AM
8:24 PM - 10:54 PM

Minor Periods

11:48 AM - 1:18 PM
2:33 AM - 4:03 AM

Action Rating: 2 out of 5

Tuesday, January 13, 2026

Weather Forecast

Freezing fog
32.2°F
21.5°F
29.6°F
98%
0.25 in
81%
54%
13.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.01 μg/m3
PM10: 6.57 μg/m3
Carbon Monoxide: 191.65 μg/m3
Nitrogen Dioxide: 6.4 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 62.36 μg/m3

Astronomical

Sunrise: 8:18 AM
Sun Transit: 12:46 AM
Sunset: 5:14 PM
Daylight: 8 hrs 56 mins
Moonrise: 4:11 AM
Moon Transit: 8:30 AM
Moonset: 12:44 AM
Moon Phase: Waning Crescent
Moon Illumination: 15.9%

Best Times for Fishing or Hunting

Major Periods

8:00 AM - 10:30 AM
9:11 PM - 11:41 PM

Minor Periods

12:14 AM - 1:44 PM
3:41 AM - 5:11 AM

Action Rating: 3 out of 5

Wednesday, January 14, 2026

Weather Forecast

Heavy snow
9.6°F
-1.2°F
12.6°F
88%
0.08 in
60%
59%
16.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.26 μg/m3
PM10: 1.3 μg/m3
Carbon Monoxide: 185.47 μg/m3
Nitrogen Dioxide: 2.57 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 69.92 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

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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