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

Current Water Temperature

39.4°F

Measurement Time: Sunday, January 11, 2026, 11:24 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

19°F
Sunny
Sunny
6.5°F
13.3°F
67%
NNW 11.9 mph
17.3 mph
1.9°F
6.2°F
0 in
0%
9 mi
1018 mbar
0.7

Five Day Weather Forecast

Patchy moderate snow
Sun
H: 22°F
L: 10°F
Moderate or heavy snow showers
Mon
H: 32°F
L: 25°F
Moderate snow
Tue
H: 33°F
L: 29°F
Heavy snow
Wed
H: 21°F
L: -3°F
Freezing fog
Thu
H: 10°F
L: -22°F

Air Quality

AQI: 1 - Good
PM2.5: 1.25 μg/m3
PM10: 1.25 μg/m3
Carbon Monoxide: 181.85 μg/m3
Nitrogen Dioxide: 2.05 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 73 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

Winter Weather Advisory issued January 10 at 7:44PM EST until January 11 at 10:00AM EST by NWS Gaylord MI

Effective: Sat January 10, 2026, 7:44 PM
Expires: Sun January 11, 2026, 7:45 AM

* WHAT...Snow. Additional snow accumulations between 1 and 3 inches with locally higher amounts possible near northern Lake Huron. Winds gusting as high as 35 mph into Sunday. * WHERE...Central Chippewa, Eastern Mackinac, Southeast Chippewa, Western Chippewa, and Western Mackinac Counties. * WHEN...Until 10 AM EST Sunday. * IMPACTS...Travel could be difficult. Plan on snow-covered and slippery road conditions.

Slow down and use caution while traveling. During lake effect snow, the weather can vary from bands of locally heavy snow to dry weather just a few miles away. Visibilities can also vary greatly. Be prepared for rapid changes in weather, visibility, and road conditions.


Winter Weather Advisory issued January 11 at 3:37AM EST until January 11 at 10:00AM EST by NWS Gaylord MI

Effective: Sun January 11, 2026, 3:37 AM
Expires: Sun January 11, 2026, 10:00 AM

* WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting as high as 30 mph this morning. * WHERE...Central Chippewa, Southeast Chippewa, and Western Chippewa Counties. * WHEN...Until 10 AM EST this morning. * IMPACTS...Plan on slippery road conditions.

Slow down and use caution while traveling. During lake effect snow, the weather can vary from bands of locally heavy snow to dry weather just a few miles away. Visibilities can also vary greatly. Be prepared for rapid changes in weather, visibility, and road conditions.


Winter Weather Advisory issued January 10 at 7:44PM EST until January 11 at 10:00AM EST by NWS Gaylord MI

Effective: Sat January 10, 2026, 7:44 PM
Expires: Sun January 11, 2026, 7:45 AM

* WHAT...Snow. Additional snow accumulations between 2 and 4 inches. Winds gusting as high as 30 mph into Sunday morning. * WHERE...Mackinac Island/Bois Blanc Island. * WHEN...Until 10 AM EST Sunday. * IMPACTS...Travel could be difficult. Plan on snow-covered and slippery road conditions.

Slow down and use caution while traveling.


Winter Weather Advisory issued January 11 at 3:37AM EST until January 11 at 10:00AM EST by NWS Gaylord MI

Effective: Sun January 11, 2026, 3:37 AM
Expires: Sun January 11, 2026, 10:00 AM

* WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting as high as 30 mph this morning. * WHERE...Mackinac Island/Bois Blanc Island. * WHEN...Until 10 AM EST this morning. * IMPACTS...Plan on slippery road conditions.

Slow down and use caution while traveling.
Sunday, January 11, 2026

Weather Forecast

Patchy moderate snow
22.1°F
9.9°F
17.8°F
80%
0.02 in
67%
30%
13.4 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.35 μg/m3
PM10: 1.41 μg/m3
Carbon Monoxide: 179.41 μg/m3
Nitrogen Dioxide: 2.41 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 74.16 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 or heavy snow showers
31.6°F
25°F
28.9°F
92%
0.15 in
74%
15%
10.5 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.51 μg/m3
PM10: 2.81 μg/m3
Carbon Monoxide: 183.01 μg/m3
Nitrogen Dioxide: 3.7 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 74.32 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

Moderate snow
32.9°F
29.3°F
31.4°F
96%
1.05 in
66%
44%
11.2 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 3.45 μg/m3
PM10: 3.68 μg/m3
Carbon Monoxide: 188.45 μg/m3
Nitrogen Dioxide: 4.41 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 73 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
21.2°F
-3°F
12.2°F
88%
0.18 in
66%
48%
14.3 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 1.19 μg/m3
PM10: 1.25 μg/m3
Carbon Monoxide: 170.66 μg/m3
Nitrogen Dioxide: 2.14 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 73.68 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

Freezing fog
9.8°F
-22.2°F
-9.9°F
95%
0 in
0%
0%
6.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.78 μg/m3
PM10: 1.87 μg/m3
Carbon Monoxide: 157.35 μg/m3
Nitrogen Dioxide: 3.2 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 69.54 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

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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