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

Current Water Temperature

62.1°F

Measurement Time: Thursday, August 27, 2026, 7:42 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

62°F
Widespread Fog
Widespread Fog
97%
W 5 mph
61°F

Weather Forecast

Widespread Fog then Partly Sunny
Today
68°F - Widespread Fog then Partly Sunny
Partly Cloudy then Patchy Fog
Tonight
53°F - Partly Cloudy then Patchy Fog
Patchy Fog then Sunny
Friday
66°F - Patchy Fog then Sunny
Partly Cloudy
Friday Night
52°F - Partly Cloudy
Partly Sunny then Slight Chance Showers And Thunderstorms
Saturday
74°F - Partly Sunny then Slight Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Saturday Night
62°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Sunday
73°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Sunday Night
63°F - Showers And Thunderstorms Likely
Chance Showers And Thunderstorms
Monday
74°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Monday Night
64°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Tuesday
74°F - Chance Showers And Thunderstorms
Slight Chance Rain Showers
Tuesday Night
62°F - Slight Chance Rain Showers
Slight Chance Rain Showers then Partly Sunny
Wednesday
74°F - Slight Chance Rain Showers then Partly Sunny
Mostly Cloudy then Slight Chance Rain Showers
Wednesday Night
61°F - Mostly Cloudy then Slight Chance Rain Showers

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:38 PM
Sunset: 8:26 PM
Daylight: 13 hrs 34 mins
Moonrise: 8:15 PM
Moon Transit: 12:55 AM
Moonset: 6:06 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:25 AM - 2:55 AM
1:35 PM - 4:05 PM

Minor Periods

7:45 PM - 9:15 PM
5:36 AM - 7:06 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: 6:51 AM
Sun Transit: 1:38 PM
Sunset: 8:26 PM
Daylight: 13 hrs 34 mins
Moonrise: 8:15 PM
Moon Transit: 12:55 AM
Moonset: 6:06 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:25 AM - 2:55 AM
1:35 PM - 4:05 PM

Minor Periods

7:45 PM - 9:15 PM
5:36 AM - 7:06 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: 6:51 AM
Sun Transit: 1:38 PM
Sunset: 8:26 PM
Daylight: 13 hrs 34 mins
Moonrise: 8:15 PM
Moon Transit: 12:55 AM
Moonset: 6:06 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:25 AM - 2:55 AM
1:35 PM - 4:05 PM

Minor Periods

7:45 PM - 9:15 PM
5:36 AM - 7:06 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: 6:53 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

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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