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

Current Water Temperature

62.1°F

Measurement Time: Monday, September 14, 2026, 7:12 AM EDT

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

49°F

Conditions: Sunny

Humidity: 89%

Wind: 0 mph

Dew Point: 46°F

Weather Forecast

Today
66°F - Sunny

Tonight
55°F - Scattered Rain Showers then Rain

Tuesday
73°F - Rain then Scattered Rain Showers

Tuesday Night
52°F - Partly Cloudy

Wednesday
66°F - Mostly Sunny

Wednesday Night
54°F - Mostly Cloudy then Slight Chance Rain Showers

Thursday
68°F - Slight Chance Rain Showers then Mostly Sunny

Thursday Night
52°F - Mostly Clear

Friday
67°F - Mostly Sunny then Slight Chance Rain Showers

Friday Night
54°F - Chance Rain Showers

Saturday
66°F - Chance Rain Showers

Saturday Night
51°F - Slight Chance Rain Showers then Mostly Cloudy

Sunday
65°F - Partly Sunny

Sunday Night
51°F - Chance Rain Showers

Astronomical

Sunrise: 7:14 AM
Sun Transit: 1:32 PM
Sunset: 7:50 PM
Daylight: 12 hrs 37 mins

Moonrise: 11:24 AM
Moon Transit: 4:14 PM
Moonset: 8:56 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

4:08 AM - 6:38 AM
3:44 PM - 6:14 PM

Minor Periods

8:26 PM - 9:56 PM
10:54 AM - 12:24 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: 7:14 AM
Sun Transit: 1:32 PM
Sunset: 7:50 PM
Daylight: 12 hrs 37 mins

Moonrise: 11:24 AM
Moon Transit: 4:14 PM
Moonset: 8:56 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

4:08 AM - 6:38 AM
3:44 PM - 6:14 PM

Minor Periods

8:26 PM - 9:56 PM
10:54 AM - 12:24 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: 7:14 AM
Sun Transit: 1:32 PM
Sunset: 7:50 PM
Daylight: 12 hrs 37 mins

Moonrise: 11:24 AM
Moon Transit: 4:14 PM
Moonset: 8:56 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

4:08 AM - 6:38 AM
3:44 PM - 6:14 PM

Minor Periods

8:26 PM - 9:56 PM
10:54 AM - 12:24 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: 7:15 AM
Sun Transit: 1:32 PM
Sunset: 7:48 PM
Daylight: 12 hrs 33 mins

Moonrise: 12:35 AM
Moon Transit: 5:01 PM
Moonset: 9:21 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

4:55 AM - 7:25 AM
4:31 PM - 7:01 PM

Minor Periods

8:51 PM - 10:21 PM
12:05 AM - 1:35 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: 7:15 AM
Sun Transit: 1:32 PM
Sunset: 7:48 PM
Daylight: 12 hrs 33 mins

Moonrise: 12:35 AM
Moon Transit: 5:01 PM
Moonset: 9:21 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

4:55 AM - 7:25 AM
4:31 PM - 7:01 PM

Minor Periods

8:51 PM - 10:21 PM
12:05 AM - 1:35 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: 7:16 AM
Sun Transit: 1:31 PM
Sunset: 7:46 PM
Daylight: 12 hrs 30 mins

Moonrise: 1:44 PM
Moon Transit: 5:51 PM
Moonset: 9:54 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

5:43 AM - 8:13 AM
5:21 PM - 7:51 PM

Minor Periods

9:24 PM - 10:54 PM
1:14 PM - 2:44 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: 7:16 AM
Sun Transit: 1:31 PM
Sunset: 7:46 PM
Daylight: 12 hrs 30 mins

Moonrise: 1:44 PM
Moon Transit: 5:51 PM
Moonset: 9:54 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

5:43 AM - 8:13 AM
5:21 PM - 7:51 PM

Minor Periods

9:24 PM - 10:54 PM
1:14 PM - 2:44 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: 7:18 AM
Sun Transit: 1:31 PM
Sunset: 7:44 PM
Daylight: 12 hrs 27 mins

Moonrise: 2:48 PM
Moon Transit: 6:42 PM
Moonset: 10:35 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

6:33 AM - 9:03 AM
6:12 PM - 8:42 PM

Minor Periods

10:05 PM - 11:35 PM
2:18 PM - 3:48 PM

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: 7:18 AM
Sun Transit: 1:31 PM
Sunset: 7:44 PM
Daylight: 12 hrs 27 mins

Moonrise: 2:48 PM
Moon Transit: 6:42 PM
Moonset: 10:35 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

6:33 AM - 9:03 AM
6:12 PM - 8:42 PM

Minor Periods

10:05 PM - 11:35 PM
2:18 PM - 3:48 PM

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: 7:19 AM
Sun Transit: 1:31 PM
Sunset: 7:42 PM
Daylight: 12 hrs 24 mins

Moonrise: 3:43 PM
Moon Transit: 7:33 PM
Moonset: 11:24 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

7:25 AM - 9:55 AM
7:03 PM - 9:33 PM

Minor Periods

12:00 AM - 12:00 AM
3:13 PM - 4:43 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: 7:19 AM
Sun Transit: 1:31 PM
Sunset: 7:42 PM
Daylight: 12 hrs 24 mins

Moonrise: 3:43 PM
Moon Transit: 7:33 PM
Moonset: 11:24 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

7:25 AM - 9:55 AM
7:03 PM - 9:33 PM

Minor Periods

12:00 AM - 12:00 AM
3:13 PM - 4:43 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: 7:20 AM
Sun Transit: 1:30 PM
Sunset: 7:40 PM
Daylight: 12 hrs 20 mins

Moonrise: 4:30 PM
Moon Transit: 8:24 PM
Moonset: 12:24 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

8:16 AM - 10:46 AM
7:54 PM - 10:24 PM

Minor Periods

4:00 PM - 5:30 PM
12:00 AM - 12:00 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: 7:20 AM
Sun Transit: 1:30 PM
Sunset: 7:40 PM
Daylight: 12 hrs 20 mins

Moonrise: 4:30 PM
Moon Transit: 8:24 PM
Moonset: 12:24 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

8:16 AM - 10:46 AM
7:54 PM - 10:24 PM

Minor Periods

4:00 PM - 5:30 PM
12:00 AM - 12:00 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: 7:21 AM
Sun Transit: 1:30 PM
Sunset: 7:38 PM
Daylight: 12 hrs 17 mins

Moonrise: 5:07 PM
Moon Transit: 9:14 PM
Moonset: 12:23 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

9:07 AM - 11:37 AM
8:44 PM - 11:14 PM

Minor Periods

4:37 PM - 6:07 PM
12:00 AM - 12:00 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: 7:21 AM
Sun Transit: 1:30 PM
Sunset: 7:38 PM
Daylight: 12 hrs 17 mins

Moonrise: 5:07 PM
Moon Transit: 9:14 PM
Moonset: 12:23 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

9:07 AM - 11:37 AM
8:44 PM - 11:14 PM

Minor Periods

4:37 PM - 6:07 PM
12:00 AM - 12:00 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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