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

Current Water Temperature

62.6°F

Measurement Time: Thursday, September 10, 2026, 12:48 AM EDT

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

65°F
Mostly Clear
Mostly Clear
68%
W 15 mph
54°F

Weather Forecast

Mostly Clear
Overnight
53°F - Mostly Clear
Sunny
Thursday
64°F - Sunny
Mostly Clear then Patchy Fog
Thursday Night
47°F - Mostly Clear then Patchy Fog
Mostly Sunny
Friday
76°F - Mostly Sunny
Mostly Cloudy
Friday Night
61°F - Mostly Cloudy
Showers And Thunderstorms
Saturday
74°F - Showers And Thunderstorms
Showers And Thunderstorms then Partly Cloudy
Saturday Night
56°F - Showers And Thunderstorms then Partly Cloudy
Partly Sunny
Sunday
64°F - Partly Sunny
Slight Chance Rain Showers
Sunday Night
50°F - Slight Chance Rain Showers
Chance Rain Showers
Monday
66°F - Chance Rain Showers
Showers And Thunderstorms
Monday Night
57°F - Showers And Thunderstorms
Showers And Thunderstorms Likely
Tuesday
66°F - Showers And Thunderstorms Likely
Mostly Cloudy
Tuesday Night
52°F - Mostly Cloudy
Partly Sunny
Wednesday
66°F - Partly Sunny

Astronomical

Sunrise: 7:09 AM
Sun Transit: 1:34 PM
Sunset: 7:58 PM
Daylight: 12 hrs 50 mins
Moonrise: 6:28 AM
Moon Transit: 1:12 PM
Moonset: 7:40 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:05 AM - 3:35 AM
12:42 AM - 3:12 PM

Minor Periods

7:10 PM - 8:40 PM
5:58 AM - 7:28 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: 7:09 AM
Sun Transit: 1:34 PM
Sunset: 7:58 PM
Daylight: 12 hrs 50 mins
Moonrise: 6:28 AM
Moon Transit: 1:12 PM
Moonset: 7:40 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:05 AM - 3:35 AM
12:42 AM - 3:12 PM

Minor Periods

7:10 PM - 8:40 PM
5:58 AM - 7:28 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: 7:09 AM
Sun Transit: 1:34 PM
Sunset: 7:58 PM
Daylight: 12 hrs 50 mins
Moonrise: 6:28 AM
Moon Transit: 1:12 PM
Moonset: 7:40 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:05 AM - 3:35 AM
12:42 AM - 3:12 PM

Minor Periods

7:10 PM - 8:40 PM
5:58 AM - 7:28 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: 7:09 AM
Sun Transit: 1:34 PM
Sunset: 7:58 PM
Daylight: 12 hrs 50 mins
Moonrise: 6:28 AM
Moon Transit: 1:12 PM
Moonset: 7:40 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:05 AM - 3:35 AM
12:42 AM - 3:12 PM

Minor Periods

7:10 PM - 8:40 PM
5:58 AM - 7:28 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: 7:10 AM
Sun Transit: 1:33 PM
Sunset: 7:56 PM
Daylight: 12 hrs 46 mins
Moonrise: 7:44 AM
Moon Transit: 1:58 PM
Moonset: 7:58 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

1:52 AM - 4:22 AM
1:28 PM - 3:58 PM

Minor Periods

7:28 PM - 8:58 PM
7:14 AM - 8:44 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: 7:10 AM
Sun Transit: 1:33 PM
Sunset: 7:56 PM
Daylight: 12 hrs 46 mins
Moonrise: 7:44 AM
Moon Transit: 1:58 PM
Moonset: 7:58 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

1:52 AM - 4:22 AM
1:28 PM - 3:58 PM

Minor Periods

7:28 PM - 8:58 PM
7:14 AM - 8:44 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: 7:11 AM
Sun Transit: 1:33 PM
Sunset: 7:54 PM
Daylight: 12 hrs 43 mins
Moonrise: 8:58 AM
Moon Transit: 2:43 PM
Moonset: 8:16 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
2:13 PM - 4:43 PM

Minor Periods

7:46 PM - 9:16 PM
8:28 AM - 9:58 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: 7:11 AM
Sun Transit: 1:33 PM
Sunset: 7:54 PM
Daylight: 12 hrs 43 mins
Moonrise: 8:58 AM
Moon Transit: 2:43 PM
Moonset: 8:16 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
2:13 PM - 4:43 PM

Minor Periods

7:46 PM - 9:16 PM
8:28 AM - 9:58 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: 7:13 AM
Sun Transit: 1:33 PM
Sunset: 7:52 PM
Daylight: 12 hrs 40 mins
Moonrise: 10:12 AM
Moon Transit: 3:28 PM
Moonset: 8:34 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

3:22 AM - 5:52 AM
2:58 PM - 5:28 PM

Minor Periods

8:04 PM - 9:34 PM
9:42 AM - 11:12 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: 7:13 AM
Sun Transit: 1:33 PM
Sunset: 7:52 PM
Daylight: 12 hrs 40 mins
Moonrise: 10:12 AM
Moon Transit: 3:28 PM
Moonset: 8:34 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

3:22 AM - 5:52 AM
2:58 PM - 5:28 PM

Minor Periods

8:04 PM - 9:34 PM
9:42 AM - 11:12 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: 7:14 AM
Sun Transit: 1:32 PM
Sunset: 7:50 PM
Daylight: 12 hrs 37 mins
Moonrise: 11:24 AM
Moon Transit: 4:14 PM
Moonset: 8:56 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

4:08 AM - 6:38 AM
3:44 PM - 6:14 PM

Minor Periods

8:26 PM - 9:56 PM
10:54 AM - 12:24 AM

Action Rating: 2 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: 7:14 AM
Sun Transit: 1:32 PM
Sunset: 7:50 PM
Daylight: 12 hrs 37 mins
Moonrise: 11:24 AM
Moon Transit: 4:14 PM
Moonset: 8:56 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

4:08 AM - 6:38 AM
3:44 PM - 6:14 PM

Minor Periods

8:26 PM - 9:56 PM
10:54 AM - 12:24 AM

Action Rating: 2 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: 7:15 AM
Sun Transit: 1:32 PM
Sunset: 7:48 PM
Daylight: 12 hrs 33 mins
Moonrise: 12:35 AM
Moon Transit: 5:01 PM
Moonset: 9:21 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

4:55 AM - 7:25 AM
4:31 PM - 7:01 PM

Minor Periods

8:51 PM - 10:21 PM
12:05 AM - 1:35 PM

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: 7:15 AM
Sun Transit: 1:32 PM
Sunset: 7:48 PM
Daylight: 12 hrs 33 mins
Moonrise: 12:35 AM
Moon Transit: 5:01 PM
Moonset: 9:21 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

4:55 AM - 7:25 AM
4:31 PM - 7:01 PM

Minor Periods

8:51 PM - 10:21 PM
12:05 AM - 1:35 PM

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: 7:16 AM
Sun Transit: 1:31 PM
Sunset: 7:46 PM
Daylight: 12 hrs 30 mins
Moonrise: 1:44 PM
Moon Transit: 5:51 PM
Moonset: 9:54 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

5:43 AM - 8:13 AM
5:21 PM - 7:51 PM

Minor Periods

9:24 PM - 10:54 PM
1:14 PM - 2:44 PM

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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