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

Current Water Temperature

62.1°F

Measurement Time: Friday, August 28, 2026, 8:00 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

53°F
Partly Sunny
Partly Sunny
100%
W 5 mph
53°F

Weather Forecast

Sunny
Today
68°F - Sunny
Partly Cloudy then Patchy Fog
Tonight
54°F - Partly Cloudy then Patchy Fog
Patchy Fog then Slight Chance Showers And Thunderstorms
Saturday
76°F - Patchy Fog then Slight Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Saturday Night
63°F - Chance Showers And Thunderstorms
Chance Rain Showers
Sunday
74°F - Chance Rain Showers
Chance Rain Showers then Slight Chance Showers And Thunderstorms
Sunday Night
64°F - Chance Rain Showers then Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Monday
75°F - Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Monday Night
65°F - Showers And Thunderstorms Likely
Chance Showers And Thunderstorms
Tuesday
77°F - Chance Showers And Thunderstorms
Slight Chance Rain Showers
Tuesday Night
63°F - Slight Chance Rain Showers
Partly Sunny
Wednesday
74°F - Partly Sunny
Partly Cloudy
Wednesday Night
60°F - Partly Cloudy
Mostly Sunny
Thursday
76°F - Mostly Sunny
Slight Chance Rain Showers
Thursday Night
61°F - Slight Chance Rain Showers

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:38 PM
Sunset: 8:24 PM
Daylight: 13 hrs 31 mins
Moonrise: 8:33 PM
Moon Transit: 1:40 AM
Moonset: 7:17 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

1:10 AM - 3:40 AM
2:18 PM - 4:48 PM

Minor Periods

8:03 PM - 9:33 PM
6:47 AM - 8:17 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: 6:53 AM
Sun Transit: 1:38 PM
Sunset: 8:24 PM
Daylight: 13 hrs 31 mins
Moonrise: 8:33 PM
Moon Transit: 1:40 AM
Moonset: 7:17 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

1:10 AM - 3:40 AM
2:18 PM - 4:48 PM

Minor Periods

8:03 PM - 9:33 PM
6:47 AM - 8:17 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: 6:53 AM
Sun Transit: 1:38 PM
Sunset: 8:24 PM
Daylight: 13 hrs 31 mins
Moonrise: 8:33 PM
Moon Transit: 1:40 AM
Moonset: 7:17 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

1:10 AM - 3:40 AM
2:18 PM - 4:48 PM

Minor Periods

8:03 PM - 9:33 PM
6:47 AM - 8:17 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: 6:54 AM
Sun Transit: 1:38 PM
Sunset: 8:22 PM
Daylight: 13 hrs 28 mins
Moonrise: 8:49 PM
Moon Transit: 2:23 AM
Moonset: 8:29 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

1:53 AM - 4:23 AM
12:00 AM - 12:00 AM

Minor Periods

8:19 PM - 9:49 PM
7:59 AM - 9:29 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: 6:54 AM
Sun Transit: 1:38 PM
Sunset: 8:22 PM
Daylight: 13 hrs 28 mins
Moonrise: 8:49 PM
Moon Transit: 2:23 AM
Moonset: 8:29 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

1:53 AM - 4:23 AM
12:00 AM - 12:00 AM

Minor Periods

8:19 PM - 9:49 PM
7:59 AM - 9:29 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: 6:55 AM
Sun Transit: 1:37 PM
Sunset: 8:20 PM
Daylight: 13 hrs 25 mins
Moonrise: 9:06 PM
Moon Transit: 12:49 AM
Moonset: 9:41 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:19 AM - 2:49 AM
12:19 AM - 2:49 AM

Minor Periods

8:36 PM - 10:06 PM
9:11 AM - 10:41 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: 6:55 AM
Sun Transit: 1:37 PM
Sunset: 8:20 PM
Daylight: 13 hrs 25 mins
Moonrise: 9:06 PM
Moon Transit: 12:49 AM
Moonset: 9:41 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:19 AM - 2:49 AM
12:19 AM - 2:49 AM

Minor Periods

8:36 PM - 10:06 PM
9:11 AM - 10:41 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: 6:56 AM
Sun Transit: 1:37 PM
Sunset: 8:18 PM
Daylight: 13 hrs 22 mins
Moonrise: 9:26 PM
Moon Transit: 3:53 AM
Moonset: 10:56 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
4:34 PM - 7:04 PM

Minor Periods

8:56 PM - 10:26 PM
10:26 AM - 11:56 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: 6:56 AM
Sun Transit: 1:37 PM
Sunset: 8:18 PM
Daylight: 13 hrs 22 mins
Moonrise: 9:26 PM
Moon Transit: 3:53 AM
Moonset: 10:56 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
4:34 PM - 7:04 PM

Minor Periods

8:56 PM - 10:26 PM
10:26 AM - 11:56 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: 6:58 AM
Sun Transit: 1:37 PM
Sunset: 8:16 PM
Daylight: 13 hrs 19 mins
Moonrise: 9:50 PM
Moon Transit: 4:41 AM
Moonset: 12:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

4:11 AM - 6:41 AM
5:24 PM - 7:54 PM

Minor Periods

9:20 PM - 10:50 PM
11:44 AM - 1:14 PM

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: 6:58 AM
Sun Transit: 1:37 PM
Sunset: 8:16 PM
Daylight: 13 hrs 19 mins
Moonrise: 9:50 PM
Moon Transit: 4:41 AM
Moonset: 12:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

4:11 AM - 6:41 AM
5:24 PM - 7:54 PM

Minor Periods

9:20 PM - 10:50 PM
11:44 AM - 1:14 PM

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: 6:59 AM
Sun Transit: 1:36 PM
Sunset: 8:14 PM
Daylight: 13 hrs 15 mins
Moonrise: 10:20 PM
Moon Transit: 5:33 AM
Moonset: 1:34 PM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
6:18 PM - 8:48 PM

Minor Periods

9:50 PM - 11:20 PM
1:04 PM - 2:34 PM

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: 6:59 AM
Sun Transit: 1:36 PM
Sunset: 8:14 PM
Daylight: 13 hrs 15 mins
Moonrise: 10:20 PM
Moon Transit: 5:33 AM
Moonset: 1:34 PM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
6:18 PM - 8:48 PM

Minor Periods

9:50 PM - 11:20 PM
1:04 PM - 2:34 PM

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: 7:00 AM
Sun Transit: 1:36 PM
Sunset: 8:12 PM
Daylight: 13 hrs 12 mins
Moonrise: 11:01 PM
Moon Transit: 6:29 AM
Moonset: 2:54 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:59 AM - 8:29 AM
7:17 PM - 9:47 PM

Minor Periods

12:00 AM - 12:00 AM
2:24 PM - 3:54 PM

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: 7:00 AM
Sun Transit: 1:36 PM
Sunset: 8:12 PM
Daylight: 13 hrs 12 mins
Moonrise: 11:01 PM
Moon Transit: 6:29 AM
Moonset: 2:54 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:59 AM - 8:29 AM
7:17 PM - 9:47 PM

Minor Periods

12:00 AM - 12:00 AM
2:24 PM - 3:54 PM

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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