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

Current Water Temperature

66.9°F

Measurement Time: Sunday, August 30, 2026, 11:24 PM EDT

Temperature Locations

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Local Points of Interest

Ashmun Bay; Whitefish Island; St. Mary's Island; Soo Locks; Sault Sainte Marie

St. Marys River

Station Name: S.W. Pier, St. Marys River
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 597 feet

Sensor Depth: -4 feet

Nearest Address:
Point West Dr
Sault Ste. Marie, MI 49783
Chippewa County

GPS Coordinates: 46.501111, -84.372611

Nearby Water Temperatures

St. Marys River, Sault Ste. Marie, MI (3.5 mi)
St. Marys River, Barbeau, MI (16.8 mi)
St. Marys River, Barbeau, MI (18.5 mi)
Lake Huron, De Tour Village, MI (41.8 mi)
Straits of Mackinac, Mackinaw City, MI (50.5 mi)
Lake Huron, Bois Blanc Island, MI (51.6 mi)
Seul Choix Bay, Port Inland, MI (80.5 mi)
Little Traverse Bay, Petoskey, MI (83.1 mi)
Miners River, Munising, MI (103.1 mi)
Lake Huron, Alpena, MI (108.3 mi)
Thunder Bay River, Alpena, MI (109.3 mi)
Lake Huron, Alpena, MI (117.3 mi)
North Branch Au Sable River, Grayling, MI (123.3 mi)
Au Sable River, Luzerne, MI (126.1 mi)
Lake Michigan, Leland, MI (126.3 mi)

Weather for Sault Ste. Marie, Michigan

Current Weather

65°F
Isolated Rain Showers
Isolated Rain Showers
90%
E 5 mph
62°F

Weather Forecast

Scattered Showers And Thunderstorms
Tonight
63°F - Scattered Showers And Thunderstorms
Chance Showers And Thunderstorms
Monday
71°F - Chance Showers And Thunderstorms
Slight Chance Rain Showers
Monday Night
63°F - Slight Chance Rain Showers
Slight Chance Rain Showers then Mostly Sunny
Tuesday
77°F - Slight Chance Rain Showers then Mostly Sunny
Partly Cloudy
Tuesday Night
63°F - Partly Cloudy
Partly Sunny
Wednesday
71°F - Partly Sunny
Mostly Cloudy
Wednesday Night
60°F - Mostly Cloudy
Mostly Sunny
Thursday
72°F - Mostly Sunny
Partly Cloudy
Thursday Night
60°F - Partly Cloudy
Mostly Sunny
Friday
73°F - Mostly Sunny
Partly Cloudy
Friday Night
60°F - Partly Cloudy
Mostly Sunny
Saturday
73°F - Mostly Sunny
Slight Chance Rain Showers
Saturday Night
60°F - Slight Chance Rain Showers
Slight Chance Rain Showers then Mostly Sunny
Sunday
72°F - Slight Chance Rain Showers then Mostly Sunny

Astronomical

Sunrise: 6:55 AM
Sun Transit: 1:38 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: 1:38 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: 6:57 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: 10:57 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
4:33 PM - 7:03 PM

Minor Periods

8:56 PM - 10:26 PM
10:27 AM - 11:57 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: 6:57 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: 10:57 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
4:33 PM - 7:03 PM

Minor Periods

8:56 PM - 10:26 PM
10:27 AM - 11:57 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: 12:15 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

4:11 AM - 6:41 AM
5:23 PM - 7:53 PM

Minor Periods

9:20 PM - 10:50 PM
11:45 AM - 1:15 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: 12:15 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

4:11 AM - 6:41 AM
5:23 PM - 7:53 PM

Minor Periods

9:20 PM - 10:50 PM
11:45 AM - 1:15 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: 1:37 PM
Sunset: 8:15 PM
Daylight: 13 hrs 16 mins
Moonrise: 10:21 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

9:51 PM - 11:21 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: 1:37 PM
Sunset: 8:15 PM
Daylight: 13 hrs 16 mins
Moonrise: 10:21 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

9:51 PM - 11:21 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: 8:13 PM
Daylight: 13 hrs 12 mins
Moonrise: 11:01 PM
Moon Transit: 6:30 AM
Moonset: 2:54 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

6:00 AM - 8:30 AM
7:16 PM - 9:46 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: 8:13 PM
Daylight: 13 hrs 12 mins
Moonrise: 11:01 PM
Moon Transit: 6:30 AM
Moonset: 2:54 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

6:00 AM - 8:30 AM
7:16 PM - 9:46 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: 7:02 AM
Sun Transit: 1:36 PM
Sunset: 8:11 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
8:18 PM - 10:48 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: 1:36 PM
Sunset: 8:11 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
8:18 PM - 10:48 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: 7:03 AM
Sun Transit: 1:36 PM
Sunset: 8:09 PM
Daylight: 13 hrs 6 mins
Moonrise: 12:56 AM
Moon Transit: 8:33 AM
Moonset: 5:09 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

4:39 PM - 6:09 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: 7:03 AM
Sun Transit: 1:36 PM
Sunset: 8:09 PM
Daylight: 13 hrs 6 mins
Moonrise: 12:56 AM
Moon Transit: 8:33 AM
Moonset: 5:09 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

4:39 PM - 6:09 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: 8:07 PM
Daylight: 13 hrs 3 mins
Moonrise: 1:04 AM
Moon Transit: 9:36 AM
Moonset: 5:57 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:06 AM - 11:36 AM

Minor Periods

5:27 PM - 6:57 PM
12:34 AM - 2:04 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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