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

Current Water Temperature

Current temperature data is
not available at this time.

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

12°F
Light snow
Light snow
-3.7°F
12.9°F
77%
NNW 14.3 mph
19.3 mph
-1.8°F
11.3°F
0.01 in
100%
2 mi
1002 mbar
0.1

Five Day Weather Forecast

Light freezing rain
Wed
H: 17°F
L: 3°F
Moderate snow
Thu
H: 17°F
L: 10°F
Moderate snow
Fri
H: 20°F
L: 14°F
Heavy snow
Sat
H: 14°F
L: -5°F
Moderate snow
Sun
H: 22°F
L: -13°F

Air Quality

AQI: 1 - Good
PM2.5: 1.55 μg/m3
PM10: 1.75 μg/m3
Carbon Monoxide: 159.85 μg/m3
Nitrogen Dioxide: 3.15 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 76 μg/m3

Astronomical

Sunrise: 8:22 AM
Sun Transit: 12:40 AM
Sunset: 5:00 PM
Daylight: 8 hrs 39 mins
Moonrise: 1:56 PM
Moon Transit: 10:19 PM
Moonset: 5:31 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%

Best Times for Fishing or Hunting

Major Periods

10:04 AM - 12:34 AM
12:00 AM - 12:00 AM

Minor Periods

1:26 PM - 2:56 PM
5:01 AM - 6:31 AM

Action Rating: 2 out of 5

Winter Weather Advisory issued December 31 at 2:30AM EST until December 31 at 7:00PM EST by NWS Gaylord MI

Effective: Wed December 31, 2025, 7:30 AM
Expires: Wed December 31, 2025, 7:30 PM

* WHAT...Lake effect snow. Additional snow accumulations between 2 and 4 inches. Winds gusting as high as 35 mph will lead to instances of blowing and drifting snow. * WHERE...Eastern Mackinac, Southeast Chippewa, and Western Mackinac Counties. * WHEN...Until 7 PM EST this evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be difficult at times. The hazardous conditions will impact commutes through New Year's Eve.

Slow down and use caution while traveling. During lake effect snow, the weather can vary from bands of locally heavy snow to dry weather just a few miles away. Visibilities can also vary greatly. Be prepared for rapid changes in weather, visibility, and road conditions.


Winter Storm Warning issued December 31 at 2:30AM EST until January 1 at 7:00PM EST by NWS Gaylord MI

Effective: Wed December 31, 2025, 7:30 AM
Expires: Wed December 31, 2025, 7:30 PM

* WHAT...Lake effect snow. Additional snow accumulations between 4 and 8 inches, with locally higher totals up to 12 inches possible through tonight. Winds gusting as high as 40 mph will lead to instances of blowing and drifting snow. * WHERE...Central Chippewa and Western Chippewa Counties. * WHEN...Until 7 PM EST Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be difficult at times. The hazardous conditions will impact commutes from this evening through New Year's Day.

Roads will be snow-covered and slippery. Be sure to travel at an appropriate speed for the weather conditions. During lake effect snow, the weather can vary from bands of locally heavy snow to dry weather just a few miles away. Visibilities can also vary greatly. Be prepared for rapid changes in weather, visibility, and road conditions.


Winter Weather Advisory issued December 31 at 12:13PM EST until December 31 at 10:00PM EST by NWS Gaylord MI

Effective: Wed December 31, 2025, 5:13 PM
Expires: Thu January 1, 2026, 3:00 AM

* WHAT...Snow. Additional snow accumulations up to 3 inches. Winds gusting as high as 35 mph. * WHERE...Eastern Mackinac, Southeast Chippewa, and Western Mackinac Counties. * WHEN...Until 10 PM EST this evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions. The hazardous conditions could impact the Wednesday evening commute.

Slow down and use caution while traveling. During lake effect snow, the weather can vary from bands of locally heavy snow to dry weather just a few miles away. Visibilities can also vary greatly. Be prepared for rapid changes in weather, visibility, and road conditions.


Winter Storm Warning issued December 31 at 12:13PM EST until January 1 at 7:00AM EST by NWS Gaylord MI

Effective: Wed December 31, 2025, 5:13 PM
Expires: Thu January 1, 2026, 5:15 AM

* WHAT...Heavy snow. Additional snow accumulations between 4 and 6 inches. Winds gusting as high as 40 mph. * WHERE...Central Chippewa and Western Chippewa Counties. * WHEN...Until 7 AM EST Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be difficult at times. The hazardous conditions will impact commutes from this evening through New Year's Day.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. During lake effect snow, the weather can vary from bands of locally heavy snow to dry weather just a few miles away. Visibilities can also vary greatly. Be prepared for rapid changes in weather, visibility, and road conditions.
Wednesday, December 31, 2025

Weather Forecast

Light freezing rain
16.5°F
2.5°F
8.8°F
79%
0.25 in
67%
70%
15.2 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 1.51 μg/m3
PM10: 1.66 μg/m3
Carbon Monoxide: 152.61 μg/m3
Nitrogen Dioxide: 2.65 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 79.2 μg/m3

Astronomical

Sunrise: 8:22 AM
Sun Transit: 12:40 AM
Sunset: 5:00 PM
Daylight: 8 hrs 39 mins
Moonrise: 1:56 PM
Moon Transit: 10:19 PM
Moonset: 5:31 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%

Best Times for Fishing or Hunting

Major Periods

10:04 AM - 12:34 AM
12:00 AM - 12:00 AM

Minor Periods

1:26 PM - 2:56 PM
5:01 AM - 6:31 AM

Action Rating: 2 out of 5

Thursday, January 1, 2026

Weather Forecast

Moderate snow
16.6°F
10°F
15°F
85%
0.53 in
71%
44%
17.4 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.62 μg/m3
PM10: 1.71 μg/m3
Carbon Monoxide: 159.45 μg/m3
Nitrogen Dioxide: 2.58 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 74.84 μg/m3

Astronomical

Sunrise: 8:22 AM
Sun Transit: 12:41 AM
Sunset: 5:01 PM
Daylight: 8 hrs 40 mins
Moonrise: 2:47 PM
Moon Transit: 11:25 PM
Moonset: 6:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

11:09 AM - 1:39 PM
12:00 AM - 12:00 AM

Minor Periods

2:17 PM - 3:47 PM
6:24 AM - 7:54 AM

Action Rating: 3 out of 5

Friday, January 2, 2026

Weather Forecast

Moderate snow
20.3°F
13.5°F
17°F
85%
0.4 in
71%
49%
15.4 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.47 μg/m3
PM10: 1.53 μg/m3
Carbon Monoxide: 153.93 μg/m3
Nitrogen Dioxide: 2.39 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 78.6 μg/m3

Astronomical

Sunrise: 8:22 AM
Sun Transit: 12:41 AM
Sunset: 5:02 PM
Daylight: 8 hrs 40 mins
Moonrise: 3:54 PM
Moon Transit: 12:00 AM
Moonset: 8:05 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:15 AM - 2:45 PM

Minor Periods

3:24 PM - 4:54 PM
7:35 AM - 9:05 AM

Action Rating: 4 out of 5

Saturday, January 3, 2026

Weather Forecast

Heavy snow
14.2°F
-5.2°F
3.2°F
96%
0.32 in
84%
69%
8.7 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.76 μg/m3
PM10: 1.81 μg/m3
Carbon Monoxide: 178.83 μg/m3
Nitrogen Dioxide: 3.66 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 75.4 μg/m3

Astronomical

Sunrise: 8:22 AM
Sun Transit: 12:42 AM
Sunset: 5:03 PM
Daylight: 8 hrs 42 mins
Moonrise: 5:13 PM
Moon Transit: 12:31 AM
Moonset: 9:01 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:01 AM - 2:31 AM
1:21 PM - 3:51 PM

Minor Periods

4:43 PM - 6:13 PM
8:31 AM - 10:01 AM

Action Rating: 5 out of 5

Sunday, January 4, 2026

Weather Forecast

Moderate snow
21.8°F
-13.2°F
4.6°F
96%
0.1 in
69%
67%
11.2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.56 μg/m3
PM10: 1.58 μg/m3
Carbon Monoxide: 164.04 μg/m3
Nitrogen Dioxide: 2.87 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 76.69 μg/m3

Astronomical

Sunrise: 8:21 AM
Sun Transit: 12:42 AM
Sunset: 5:04 PM
Daylight: 8 hrs 43 mins
Moonrise: 6:38 PM
Moon Transit: 1:35 AM
Moonset: 9:41 AM
Moon Phase: Full
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

1:05 AM - 3:35 AM
2:21 PM - 4:51 PM

Minor Periods

6:08 PM - 7:38 PM
9:11 AM - 10:41 AM

Action Rating: 4 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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