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

Current Water Temperature

62.6°F

Measurement Time: Monday, September 7, 2026, 10:18 PM 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

67°F
Mostly Cloudy
Mostly Cloudy
73%
SE 5 mph
58°F

Weather Forecast

Mostly Cloudy
Tonight
59°F - Mostly Cloudy
Chance Rain Showers
Tuesday
72°F - Chance Rain Showers
Showers And Thunderstorms Likely
Tuesday Night
65°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Wednesday
75°F - Showers And Thunderstorms Likely
Partly Cloudy
Wednesday Night
59°F - Partly Cloudy
Mostly Sunny
Thursday
64°F - Mostly Sunny
Mostly Clear
Thursday Night
51°F - Mostly Clear
Mostly Sunny
Friday
73°F - Mostly Sunny
Chance Rain Showers
Friday Night
61°F - Chance Rain Showers
Chance Rain Showers
Saturday
71°F - Chance Rain Showers
Chance Rain Showers
Saturday Night
56°F - Chance Rain Showers
Slight Chance Rain Showers
Sunday
65°F - Slight Chance Rain Showers
Chance Rain Showers
Sunday Night
53°F - Chance Rain Showers
Chance Rain Showers
Monday
64°F - Chance Rain Showers

Astronomical

Sunrise: 7:05 AM
Sun Transit: 1:35 PM
Sunset: 8:04 PM
Daylight: 12 hrs 59 mins
Moonrise: 2:23 AM
Moon Transit: 10:35 AM
Moonset: 6:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:05 AM - 12:35 AM

Minor Periods

6:03 PM - 7:33 PM
1:53 AM - 3:23 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: 7:05 AM
Sun Transit: 1:35 PM
Sunset: 8:04 PM
Daylight: 12 hrs 59 mins
Moonrise: 2:23 AM
Moon Transit: 10:35 AM
Moonset: 6:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:05 AM - 12:35 AM

Minor Periods

6:03 PM - 7:33 PM
1:53 AM - 3:23 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: 7:06 AM
Sun Transit: 1:34 PM
Sunset: 8:02 PM
Daylight: 12 hrs 56 mins
Moonrise: 3:46 AM
Moon Transit: 11:31 AM
Moonset: 7:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:01 AM - 1:31 PM

Minor Periods

6:30 PM - 8:00 PM
3:16 AM - 4:46 AM

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: 7:06 AM
Sun Transit: 1:34 PM
Sunset: 8:02 PM
Daylight: 12 hrs 56 mins
Moonrise: 3:46 AM
Moon Transit: 11:31 AM
Moonset: 7:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:01 AM - 1:31 PM

Minor Periods

6:30 PM - 8:00 PM
3:16 AM - 4:46 AM

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: 7:07 AM
Sun Transit: 1:34 PM
Sunset: 8:00 PM
Daylight: 12 hrs 53 mins
Moonrise: 5:08 AM
Moon Transit: 12:23 AM
Moonset: 7:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:15 AM - 2:45 AM
11:53 AM - 2:23 PM

Minor Periods

6:51 PM - 8:21 PM
4:38 AM - 6:08 AM

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: 7:07 AM
Sun Transit: 1:34 PM
Sunset: 8:00 PM
Daylight: 12 hrs 53 mins
Moonrise: 5:08 AM
Moon Transit: 12:23 AM
Moonset: 7:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:15 AM - 2:45 AM
11:53 AM - 2:23 PM

Minor Periods

6:51 PM - 8:21 PM
4:38 AM - 6:08 AM

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: 7:09 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

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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