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

Current Water Temperature

62.8°F

Measurement Time: Friday, September 4, 2026, 5:06 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

73°F
Partly Sunny
Partly Sunny
62%
SE 5 mph
59°F

Weather Forecast

Partly Sunny
This Afternoon
76°F - Partly Sunny
Partly Cloudy
Tonight
59°F - Partly Cloudy
Sunny
Saturday
76°F - Sunny
Mostly Clear
Saturday Night
57°F - Mostly Clear
Patchy Fog then Mostly Sunny
Sunday
76°F - Patchy Fog then Mostly Sunny
Partly Cloudy
Sunday Night
58°F - Partly Cloudy
Partly Sunny
Labor Day
76°F - Partly Sunny
Mostly Cloudy then Slight Chance Rain Showers
Monday Night
60°F - Mostly Cloudy then Slight Chance Rain Showers
Rain Showers Likely
Tuesday
70°F - Rain Showers Likely
Rain Showers
Tuesday Night
63°F - Rain Showers
Rain Showers Likely
Wednesday
76°F - Rain Showers Likely
Chance Showers And Thunderstorms
Wednesday Night
59°F - Chance Showers And Thunderstorms
Partly Sunny
Thursday
65°F - Partly Sunny
Partly Cloudy
Thursday Night
52°F - Partly Cloudy

Astronomical

Sunrise: 7:01 AM
Sun Transit: 1:36 PM
Sunset: 8:10 PM
Daylight: 13 hrs 9 mins
Moonrise: 12:01 AM
Moon Transit: 7:30 AM
Moonset: 4:07 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

7:00 AM - 9:30 AM
8:19 PM - 10:49 PM

Minor Periods

3:37 PM - 5:07 PM
12:00 AM - 12:00 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: 7:01 AM
Sun Transit: 1:36 PM
Sunset: 8:10 PM
Daylight: 13 hrs 9 mins
Moonrise: 12:01 AM
Moon Transit: 7:30 AM
Moonset: 4:07 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

7:00 AM - 9:30 AM
8:19 PM - 10:49 PM

Minor Periods

3:37 PM - 5:07 PM
12:00 AM - 12:00 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: 7:01 AM
Sun Transit: 1:36 PM
Sunset: 8:10 PM
Daylight: 13 hrs 9 mins
Moonrise: 12:01 AM
Moon Transit: 7:30 AM
Moonset: 4:07 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

7:00 AM - 9:30 AM
8:19 PM - 10:49 PM

Minor Periods

3:37 PM - 5:07 PM
12:00 AM - 12:00 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: 7:02 AM
Sun Transit: 1:35 PM
Sunset: 8:08 PM
Daylight: 13 hrs 6 mins
Moonrise: 12:56 AM
Moon Transit: 8:33 AM
Moonset: 5:08 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
9:22 PM - 11:52 PM

Minor Periods

4:38 PM - 6:08 PM
12:00 AM - 12:00 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: 7:02 AM
Sun Transit: 1:35 PM
Sunset: 8:08 PM
Daylight: 13 hrs 6 mins
Moonrise: 12:56 AM
Moon Transit: 8:33 AM
Moonset: 5:08 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
9:22 PM - 11:52 PM

Minor Periods

4:38 PM - 6:08 PM
12:00 AM - 12:00 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: 7:04 AM
Sun Transit: 1:35 PM
Sunset: 8:06 PM
Daylight: 13 hrs 3 mins
Moonrise: 1:04 AM
Moon Transit: 9:35 AM
Moonset: 5:56 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:05 AM - 11:35 AM

Minor Periods

5:26 PM - 6:56 PM
12:34 AM - 2:04 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: 7:04 AM
Sun Transit: 1:35 PM
Sunset: 8:06 PM
Daylight: 13 hrs 3 mins
Moonrise: 1:04 AM
Moon Transit: 9:35 AM
Moonset: 5:56 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:05 AM - 11:35 AM

Minor Periods

5:26 PM - 6:56 PM
12:34 AM - 2:04 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: 7:05 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

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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