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

Current Water Temperature

43.5°F

Measurement Time: Friday, February 27, 2026, 8:12 AM EST

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

14.2°F
Partly cloudy
Partly cloudy
8.9°F
10.6°F
85%
ESE 3.1 mph
6.6 mph
6.7°F
7.4°F
0 in
50%
14 mi
1009 mbar
0.2

Five Day Weather Forecast

Overcast
Fri
H: 38°F
L: 10°F
Overcast
Sat
H: 18°F
L: -6°F
Partly Cloudy
Sun
H: 14°F
L: 1°F
Light snow
Mon
H: 22°F
L: -9°F
Patchy moderate snow
Tue
H: 32°F
L: 3°F

Air Quality

AQI: 1 - Good
PM2.5: 17.65 μg/m3
PM10: 18.75 μg/m3
Carbon Monoxide: 229.85 μg/m3
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 80 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 12:49 AM
Sunset: 6:21 PM
Daylight: 11 hrs 1 mins
Moonrise: 1:45 PM
Moon Transit: 10:04 PM
Moonset: 5:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

9:52 AM - 12:22 AM
12:00 AM - 12:00 AM

Minor Periods

1:15 PM - 2:45 PM
5:00 AM - 6:30 AM

Action Rating: 2 out of 5

Wind Advisory issued February 27 at 1:28AM EST until February 28 at 4:00AM EST by NWS Gaylord MI

Effective: Fri February 27, 2026, 1:28 AM
Expires: Fri February 27, 2026, 5:30 PM

* WHAT...Northwest winds 15 to 25 mph with peak gusts between 40 and 45 mph expected. * WHERE...Central Chippewa and Western Chippewa Counties. * WHEN...From 7 PM this evening to 4 AM EST Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Friday, February 27, 2026

Weather Forecast

Overcast
37.8°F
10.2°F
24.7°F
88%
0 in
0%
4%
23.3 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 12.93 μg/m3
PM10: 13.74 μg/m3
Carbon Monoxide: 224.65 μg/m3
Nitrogen Dioxide: 6.02 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 77.04 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 12:49 AM
Sunset: 6:21 PM
Daylight: 11 hrs 1 mins
Moonrise: 1:45 PM
Moon Transit: 10:04 PM
Moonset: 5:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

9:52 AM - 12:22 AM
12:00 AM - 12:00 AM

Minor Periods

1:15 PM - 2:45 PM
5:00 AM - 6:30 AM

Action Rating: 2 out of 5

Saturday, February 28, 2026

Weather Forecast

Overcast
18.3°F
-6°F
16.9°F
82%
0 in
0%
4%
19.9 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 3.15 μg/m3
PM10: 3.53 μg/m3
Carbon Monoxide: 170.01 μg/m3
Nitrogen Dioxide: 2.05 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 83.8 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:49 AM
Sunset: 6:22 PM
Daylight: 11 hrs 4 mins
Moonrise: 3:06 PM
Moon Transit: 11:00 PM
Moonset: 6:08 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

10:49 AM - 1:19 PM
12:00 AM - 12:00 AM

Minor Periods

2:36 PM - 4:06 PM
5:38 AM - 7:08 AM

Action Rating: 3 out of 5

Sunday, March 1, 2026

Weather Forecast

Partly Cloudy
13.5°F
0.7°F
8.2°F
70%
0 in
0%
0%
6.3 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 2.55 μg/m3
PM10: 2.82 μg/m3
Carbon Monoxide: 189.81 μg/m3
Nitrogen Dioxide: 3.49 μg/m3
Sulphur Dioxide: 2.14 μg/m3
Ozone: 83.16 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 12:49 AM
Sunset: 6:24 PM
Daylight: 11 hrs 7 mins
Moonrise: 4:27 PM
Moon Transit: 11:50 PM
Moonset: 6:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.8%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

3:57 PM - 5:27 PM
6:05 AM - 7:35 AM

Action Rating: 3 out of 5

Monday, March 2, 2026

Weather Forecast

Light snow
22.3°F
-9.4°F
9°F
88%
0.01 in
72%
38%
8.7 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 4.39 μg/m3
PM10: 4.73 μg/m3
Carbon Monoxide: 220.86 μg/m3
Nitrogen Dioxide: 6.66 μg/m3
Sulphur Dioxide: 2.5 μg/m3
Ozone: 83.16 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 12:49 AM
Sunset: 6:25 PM
Daylight: 11 hrs 11 mins
Moonrise: 5:44 PM
Moon Transit: 12:00 AM
Moonset: 6:57 AM
Moon Phase: Full
Moon Illumination: 99.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:31 AM - 3:01 PM

Minor Periods

5:14 PM - 6:44 PM
6:27 AM - 7:57 AM

Action Rating: 4 out of 5

Tuesday, March 3, 2026

Weather Forecast

Patchy moderate snow
31.9°F
2.6°F
22.1°F
90%
0.02 in
79%
12%
11.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.64 μg/m3
PM10: 7.82 μg/m3
Carbon Monoxide: 195.63 μg/m3
Nitrogen Dioxide: 5.24 μg/m3
Sulphur Dioxide: 1.77 μg/m3
Ozone: 84.85 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:49 AM
Sunset: 6:27 PM
Daylight: 11 hrs 14 mins
Moonrise: 6:58 PM
Moon Transit: 12:37 AM
Moonset: 7:15 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:07 AM - 2:37 AM
1:17 PM - 3:47 PM

Minor Periods

6:28 PM - 7:58 PM
6:45 AM - 8:15 AM

Action Rating: 5 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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