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

Current Water Temperature

63.1°F

Measurement Time: Saturday, September 26, 2026, 3:54 AM 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

51°F

Conditions: Areas Of Fog

Humidity: 77%

Wind: 0 mph

Dew Point: 44°F

Weather Forecast

Overnight
49°F - Areas Of Fog

Saturday
70°F - Areas Of Fog then Sunny

Saturday Night
51°F - Mostly Clear then Patchy Fog

Sunday
70°F - Patchy Fog then Sunny

Sunday Night
52°F - Partly Cloudy

Monday
69°F - Mostly Sunny

Monday Night
53°F - Partly Cloudy

Tuesday
69°F - Mostly Sunny

Tuesday Night
57°F - Chance Rain Showers

Wednesday
66°F - Chance Rain Showers

Wednesday Night
57°F - Chance Rain Showers

Thursday
65°F - Chance Rain Showers

Thursday Night
52°F - Chance Rain Showers

Friday
63°F - Chance Rain Showers

Astronomical

Sunrise: 7:29 AM
Sun Transit: 1:28 PM
Sunset: 7:27 PM
Daylight: 11 hrs 57 mins

Moonrise: 7:12 PM
Moon Transit: 8:33 AM
Moonset: 7:24 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:42 PM - 8:12 PM
6:54 AM - 8:24 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 7:29 AM
Sun Transit: 1:28 PM
Sunset: 7:27 PM
Daylight: 11 hrs 57 mins

Moonrise: 7:12 PM
Moon Transit: 8:33 AM
Moonset: 7:24 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:42 PM - 8:12 PM
6:54 AM - 8:24 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 7:29 AM
Sun Transit: 1:28 PM
Sunset: 7:27 PM
Daylight: 11 hrs 57 mins

Moonrise: 7:12 PM
Moon Transit: 8:33 AM
Moonset: 7:24 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:42 PM - 8:12 PM
6:54 AM - 8:24 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 7:29 AM
Sun Transit: 1:28 PM
Sunset: 7:27 PM
Daylight: 11 hrs 57 mins

Moonrise: 7:12 PM
Moon Transit: 8:33 AM
Moonset: 7:24 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:42 PM - 8:12 PM
6:54 AM - 8:24 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 7:31 AM
Sun Transit: 1:28 PM
Sunset: 7:25 PM
Daylight: 11 hrs 54 mins

Moonrise: 7:31 PM
Moon Transit: 12:00 AM
Moonset: 8:40 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:28 PM - 4:58 PM

Minor Periods

7:01 PM - 8:31 PM
8:10 AM - 9:40 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 7:31 AM
Sun Transit: 1:28 PM
Sunset: 7:25 PM
Daylight: 11 hrs 54 mins

Moonrise: 7:31 PM
Moon Transit: 12:00 AM
Moonset: 8:40 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:28 PM - 4:58 PM

Minor Periods

7:01 PM - 8:31 PM
8:10 AM - 9:40 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 7:32 AM
Sun Transit: 1:28 PM
Sunset: 7:23 PM
Daylight: 11 hrs 51 mins

Moonrise: 7:54 PM
Moon Transit: 2:36 AM
Moonset: 9:59 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

2:06 AM - 4:36 AM
3:18 PM - 5:48 PM

Minor Periods

7:24 PM - 8:54 PM
9:29 AM - 10:59 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 7:32 AM
Sun Transit: 1:28 PM
Sunset: 7:23 PM
Daylight: 11 hrs 51 mins

Moonrise: 7:54 PM
Moon Transit: 2:36 AM
Moonset: 9:59 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

2:06 AM - 4:36 AM
3:18 PM - 5:48 PM

Minor Periods

7:24 PM - 8:54 PM
9:29 AM - 10:59 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 7:33 AM
Sun Transit: 1:27 PM
Sunset: 7:21 PM
Daylight: 11 hrs 47 mins

Moonrise: 8:23 PM
Moon Transit: 3:28 AM
Moonset: 11:20 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:58 AM - 5:28 AM
4:12 PM - 6:42 PM

Minor Periods

7:53 PM - 9:23 PM
10:50 AM - 12:20 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 7:33 AM
Sun Transit: 1:27 PM
Sunset: 7:21 PM
Daylight: 11 hrs 47 mins

Moonrise: 8:23 PM
Moon Transit: 3:28 AM
Moonset: 11:20 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:58 AM - 5:28 AM
4:12 PM - 6:42 PM

Minor Periods

7:53 PM - 9:23 PM
10:50 AM - 12:20 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 7:35 AM
Sun Transit: 1:27 PM
Sunset: 7:19 PM
Daylight: 11 hrs 44 mins

Moonrise: 9:01 PM
Moon Transit: 4:24 AM
Moonset: 12:42 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:54 AM - 6:24 AM
5:11 PM - 7:41 PM

Minor Periods

8:31 PM - 10:01 PM
12:12 AM - 1:42 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 7:35 AM
Sun Transit: 1:27 PM
Sunset: 7:19 PM
Daylight: 11 hrs 44 mins

Moonrise: 9:01 PM
Moon Transit: 4:24 AM
Moonset: 12:42 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:54 AM - 6:24 AM
5:11 PM - 7:41 PM

Minor Periods

8:31 PM - 10:01 PM
12:12 AM - 1:42 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 7:36 AM
Sun Transit: 1:27 PM
Sunset: 7:17 PM
Daylight: 11 hrs 41 mins

Moonrise: 9:52 PM
Moon Transit: 5:24 AM
Moonset: 1:58 PM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:54 AM - 7:24 AM
6:13 PM - 8:43 PM

Minor Periods

9:22 PM - 10:52 PM
1:28 PM - 2:58 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 7:36 AM
Sun Transit: 1:27 PM
Sunset: 7:17 PM
Daylight: 11 hrs 41 mins

Moonrise: 9:52 PM
Moon Transit: 5:24 AM
Moonset: 1:58 PM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:54 AM - 7:24 AM
6:13 PM - 8:43 PM

Minor Periods

9:22 PM - 10:52 PM
1:28 PM - 2:58 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

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: 7:37 AM
Sun Transit: 1:26 PM
Sunset: 7:15 PM
Daylight: 11 hrs 38 mins

Moonrise: 10:56 PM
Moon Transit: 6:27 AM
Moonset: 3:04 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:57 AM - 8:27 AM
7:15 PM - 9:45 PM

Minor Periods

10:26 PM - 11:56 PM
2:34 PM - 4:04 PM

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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