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

Current Water Temperature

62.1°F

Measurement Time: Friday, August 22, 2025, 5:18 PM EDT

Temperature Locations

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Local Points of Interest

Rotary Park; Rotary Island; Steers Island; Island Number One; Sault Sainte Marie

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St. Marys River

Station Name: Little Rapids
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 568 feet / 173 meters

Sensor Depth: -8.2 feet / -2.5 meters

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 (125.0 mi)
Au Sable River, Mio, MI (126.4 mi)

Weather for Sault Ste. Marie, Michigan

Current Weather

75.9°F
Overcast
Conditions: Overcast
Humidity: 64%
Feels Like: 78.9°F
Wind: SW 11.6 mph
Wind Gusts: 15.4 mph
Pressure: 29.94 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 2.3

Five Day Weather Forecast

Fog
Fri
H: 81°F
L: 58°F
Heavy rain
Sat
H: 68°F
L: 56°F
Moderate rain
Sun
H: 62°F
L: 56°F
Partly Cloudy
Mon
H: 59°F
L: 51°F
Partly Cloudy
Tue
H: 65°F
L: 49°F

Air Quality

AQI: 1 - Good
PM2.5: 10.36 μg/m3
PM10: 10.92 μg/m3
Carbon Monoxide: 338.55 μg/m3
Nitrogen Dioxide: 5.55 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:40 PM
Sunset: 8:34 PM
Daylight: 13 hrs 49 mins
Moonrise: 5:47 AM
Moon Transit: 1:18 PM
Moonset: 8:33 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:10 AM - 3:40 AM
12:48 AM - 3:18 PM

Minor Periods

8:03 PM - 9:33 PM
5:17 AM - 6:47 AM

Action Rating: 4 out of 5

Ontario Amber Alert

Effective: Wed December 31, 1969, 7:00 PM
Expires: Fri August 22, 2025, 10:02 PM

AMBER Alert cancelled, child has been located safe.


Ontario Amber Alert

Effective: Wed December 31, 1969, 7:00 PM
Expires: Fri August 22, 2025, 6:02 PM

Ontario Amber Alert in Effect. The Peel Regional Police have requested an AMBER Alert on 2025-08-21. Victim 1 Zaid Rahman, 8 months old, boy, middle eastern. Suspect 1 Shahzaib Memon, 40 years old, male, middle eastern. Suspect vehicle is a 2023 grey Nissan Rogue Other license plate C Z L M 1 1 3, Ontario. Last seen in Brampton. If observed call 9 1 1 https://amberalert.opp.ca
Friday, August 22, 2025

Weather Forecast

Conditions: Fog
Average Temperature: 67.3°F
Average Humidity: 88%
Chance of Rain: 0%
Wind: 11.6 mph
UV Index: 1.7

Air Quality

AQI: 1 - Good
PM2.5: 9.86 μg/m3
PM10: 10.3 μg/m3
Carbon Monoxide: 329.37 μg/m3
Nitrogen Dioxide: 7.73 μg/m3
Sulphur Dioxide: 1.78 μg/m3
Ozone: 74.72 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:40 PM
Sunset: 8:34 PM
Daylight: 13 hrs 49 mins
Moonrise: 5:47 AM
Moon Transit: 1:18 PM
Moonset: 8:33 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:10 AM - 3:40 AM
12:48 AM - 3:18 PM

Minor Periods

8:03 PM - 9:33 PM
5:17 AM - 6:47 AM

Action Rating: 4 out of 5

Saturday, August 23, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 64.4°F
Average Humidity: 91%
Chance of Rain: 85%
Wind: 17 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 6.58 μg/m3
PM10: 6.84 μg/m3
Carbon Monoxide: 300.51 μg/m3
Nitrogen Dioxide: 3.82 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 84.4 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:39 PM
Sunset: 8:33 PM
Daylight: 13 hrs 46 mins
Moonrise: 7:02 AM
Moon Transit: 2:03 PM
Moonset: 8:51 PM
Moon Phase: New
Moon Illumination: 1.4%

Best Times for Fishing or Hunting

Major Periods

1:58 AM - 4:28 AM
1:33 PM - 4:03 PM

Minor Periods

8:21 PM - 9:51 PM
6:32 AM - 8:02 AM

Action Rating: 5 out of 5

Sunday, August 24, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 58°F
Average Humidity: 90%
Chance of Rain: 88%
Wind: 13.9 mph
UV Index: 0.7

Air Quality

AQI: 1 - Good
PM2.5: 2.35 μg/m3
PM10: 2.35 μg/m3
Carbon Monoxide: 271.73 μg/m3
Nitrogen Dioxide: 3.23 μg/m3
Sulphur Dioxide: 0.72 μg/m3
Ozone: 58.2 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:39 PM
Sunset: 8:31 PM
Daylight: 13 hrs 43 mins
Moonrise: 8:13 AM
Moon Transit: 2:46 PM
Moonset: 9:06 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

2:42 AM - 5:12 AM
2:16 PM - 4:46 PM

Minor Periods

8:36 PM - 10:06 PM
7:43 AM - 9:13 AM

Action Rating: 4 out of 5

Monday, August 25, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 54.6°F
Average Humidity: 72%
Chance of Rain: 0%
Wind: 15.2 mph
UV Index: 0.7

Air Quality

AQI: 1 - Good
PM2.5: 1.64 μg/m3
PM10: 1.64 μg/m3
Carbon Monoxide: 260.18 μg/m3
Nitrogen Dioxide: 3.38 μg/m3
Sulphur Dioxide: 0.89 μg/m3
Ozone: 53.48 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:39 PM
Sunset: 8:29 PM
Daylight: 13 hrs 40 mins
Moonrise: 9:22 AM
Moon Transit: 3:27 PM
Moonset: 9:21 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

3:24 AM - 5:54 AM
2:57 PM - 5:27 PM

Minor Periods

8:51 PM - 10:21 PM
8:52 AM - 10:22 AM

Action Rating: 4 out of 5

Tuesday, August 26, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 56.5°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 11.6 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 2.78 μg/m3
PM10: 2.82 μg/m3
Carbon Monoxide: 262.56 μg/m3
Nitrogen Dioxide: 2.31 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 50 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:38 PM
Sunset: 8:27 PM
Daylight: 13 hrs 37 mins
Moonrise: 10:29 AM
Moon Transit: 4:08 PM
Moonset: 9:36 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

4:05 AM - 6:35 AM
3:38 PM - 6:08 PM

Minor Periods

9:06 PM - 10:36 PM
9:59 AM - 11:29 AM

Action Rating: 3 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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