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

Current Water Temperature

43.7°F

Measurement Time: Sunday, May 24, 2026, 3:00 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

48.9°F
Mist
Mist
48.5°F
54°F
97%
SW 2.9 mph
4.4 mph
53°F
50.1°F
0.02 in
100%
2 mi
1017 mbar
0.9

Five Day Weather Forecast

Patchy rain nearby
Sun
H: 57°F
L: 48°F
Patchy rain nearby
Mon
H: 69°F
L: 46°F
Moderate rain
Tue
H: 59°F
L: 46°F
Patchy rain nearby
Wed
H: 66°F
L: 46°F
Sunny
Thu
H: 60°F
L: 42°F

Air Quality

AQI: 1 - Good
PM2.5: 4.55 μg/m3
PM10: 4.65 μg/m3
Carbon Monoxide: 153.85 μg/m3
Nitrogen Dioxide: 2.85 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:34 PM
Sunset: 9:15 PM
Daylight: 15 hrs 21 mins
Moonrise: 2:35 PM
Moon Transit: 8:58 PM
Moonset: 2:51 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

8:53 AM - 11:23 AM
8:28 PM - 10:58 PM

Minor Periods

2:05 PM - 3:35 PM
2:21 AM - 3:51 AM

Action Rating: 2 out of 5

Sunday, May 24, 2026

Weather Forecast

Patchy rain nearby
57°F
47.5°F
51.9°F
85%
0.02 in
83%
0%
13.4 mph
4.2


Air Quality

AQI: 1 - Good
PM2.5: 2.58 μg/m3
PM10: 2.63 μg/m3
Carbon Monoxide: 136.37 μg/m3
Nitrogen Dioxide: 2.84 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:34 PM
Sunset: 9:15 PM
Daylight: 15 hrs 21 mins
Moonrise: 2:35 PM
Moon Transit: 8:58 PM
Moonset: 2:51 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

8:53 AM - 11:23 AM
8:28 PM - 10:58 PM

Minor Periods

2:05 PM - 3:35 PM
2:21 AM - 3:51 AM

Action Rating: 2 out of 5

Monday, May 25, 2026

Weather Forecast

Patchy rain nearby
69.2°F
45.5°F
56.8°F
83%
0.04 in
87%
0%
12.3 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 7.4 μg/m3
PM10: 7.94 μg/m3
Carbon Monoxide: 156.17 μg/m3
Nitrogen Dioxide: 3.7 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 69.08 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:34 PM
Sunset: 9:16 PM
Daylight: 15 hrs 23 mins
Moonrise: 3:44 PM
Moon Transit: 9:40 PM
Moonset: 3:07 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

9:35 AM - 12:05 AM
9:10 PM - 11:40 PM

Minor Periods

3:14 PM - 4:44 PM
2:37 AM - 4:07 AM

Action Rating: 3 out of 5

Tuesday, May 26, 2026

Weather Forecast

Moderate rain
59°F
45.5°F
54.3°F
87%
0.2 in
84%
0%
11.6 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 9.21 μg/m3
PM10: 9.82 μg/m3
Carbon Monoxide: 156.25 μg/m3
Nitrogen Dioxide: 3.56 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 90.48 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:34 PM
Sunset: 9:17 PM
Daylight: 15 hrs 25 mins
Moonrise: 4:53 PM
Moon Transit: 10:21 PM
Moonset: 3:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

10:17 AM - 12:47 AM
12:00 AM - 12:00 AM

Minor Periods

4:23 PM - 5:53 PM
2:53 AM - 4:23 AM

Action Rating: 2 out of 5

Wednesday, May 27, 2026

Weather Forecast

Patchy rain nearby
65.9°F
45.5°F
55.4°F
79%
0 in
0%
0%
11.9 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 6.86 μg/m3
PM10: 7.24 μg/m3
Carbon Monoxide: 154.87 μg/m3
Nitrogen Dioxide: 3.58 μg/m3
Sulphur Dioxide: 1.56 μg/m3
Ozone: 78.4 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:34 PM
Sunset: 9:18 PM
Daylight: 15 hrs 26 mins
Moonrise: 6:01 PM
Moon Transit: 11:04 PM
Moonset: 3:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

10:59 AM - 1:29 PM
12:00 AM - 12:00 AM

Minor Periods

5:31 PM - 7:01 PM
3:10 AM - 4:40 AM

Action Rating: 2 out of 5

Thursday, May 28, 2026

Weather Forecast

Sunny
60.4°F
41.5°F
51.1°F
75%
0 in
0%
0%
10.5 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 2.17 μg/m3
PM10: 2.23 μg/m3
Carbon Monoxide: 129.27 μg/m3
Nitrogen Dioxide: 2.88 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 61.46 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:34 PM
Sunset: 9:19 PM
Daylight: 15 hrs 28 mins
Moonrise: 7:09 PM
Moon Transit: 11:49 PM
Moonset: 3:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

11:42 AM - 2:12 PM
12:00 AM - 12:00 AM

Minor Periods

6:39 PM - 8:09 PM
3:28 AM - 4:58 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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