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

50°F
Mist
Mist
44.2°F
46.1°F
100%
SW 16.8 mph
33 mph
43.1°F
41.9°F
0 in
100%
0 mi
1001 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 53°F
L: 38°F
Heavy rain
Tue
H: 50°F
L: 39°F
Patchy rain nearby
Wed
H: 51°F
L: 40°F
Patchy rain nearby
Thu
H: 50°F
L: 39°F
Overcast
Fri
H: 55°F
L: 41°F

Air Quality

PM2.5: 6.25 μg/m3
PM10: 6.35 μg/m3
Carbon Monoxide: 140.85 μg/m3
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 1:37 PM
Sunset: 8:23 PM
Daylight: 13 hrs 29 mins
Moonrise: 5:14 AM
Moon Transit: 10:30 AM
Moonset: 4:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:00 AM - 12:30 AM

Minor Periods

3:30 PM - 5:00 PM
4:44 AM - 6:14 AM

Action Rating: 2 out of 5

Flood Watch issued April 12 at 9:03PM EDT until April 15 at 8:00AM EDT by NWS Gaylord MI

Effective: Mon April 13, 2026, 1:03 AM
Expires: Mon April 13, 2026, 11:00 AM

Periods of rain will confine to areas south of a Frankfort to Alpena line tonight. Some of this rain may be heavy at times, especially during any thunderstorms. Shower and thunderstorm activity should taper late tonight into Monday. More showers and storms return later Monday night, lasting through Tuesday night, with heavy rainfall once again possible. * WHAT...Flooding caused by rain and snowmelt continues to be possible. * WHERE...Portions of Eastern Upper and Northern Lower Michigan, including the following areas, in Eastern Upper Michigan, Central Chippewa, Eastern Mackinac, Southeast Chippewa, Western Chippewa and Western Mackinac. In Northern Lower Michigan, Alcona, Alpena, Antrim, Arenac, Benzie, Charlevoix, Cheboygan, Crawford, Emmet, Gladwin, Grand Traverse, Iosco, Kalkaska, Leelanau, Manistee, Missaukee, Montmorency, Ogemaw, Oscoda, Otsego, Presque Isle, Roscommon and Wexford. * WHEN...Through Wednesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Monday, April 13, 2026

Weather Forecast

Patchy rain nearby
52.5°F
37.8°F
42.6°F
97%
0.04 in
84%
0%
16.8 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 6.16 μg/m3
PM10: 6.45 μg/m3
Carbon Monoxide: 171.53 μg/m3
Nitrogen Dioxide: 3.42 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 83.44 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 1:37 PM
Sunset: 8:23 PM
Daylight: 13 hrs 29 mins
Moonrise: 5:14 AM
Moon Transit: 10:30 AM
Moonset: 4:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:00 AM - 12:30 AM

Minor Periods

3:30 PM - 5:00 PM
4:44 AM - 6:14 AM

Action Rating: 2 out of 5

Tuesday, April 14, 2026

Weather Forecast

Heavy rain
49.8°F
39.2°F
44.1°F
98%
1.74 in
81%
0%
12.5 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 3.76 μg/m3
PM10: 4.21 μg/m3
Carbon Monoxide: 181.65 μg/m3
Nitrogen Dioxide: 4.83 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 80.84 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 1:37 PM
Sunset: 8:24 PM
Daylight: 13 hrs 32 mins
Moonrise: 5:32 AM
Moon Transit: 11:16 AM
Moonset: 5:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:46 AM - 1:16 PM

Minor Periods

4:45 PM - 6:15 PM
5:02 AM - 6:32 AM

Action Rating: 3 out of 5

Wednesday, April 15, 2026

Weather Forecast

Patchy rain nearby
50.9°F
39.5°F
43.9°F
98%
0.16 in
88%
0%
8.9 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 1.76 μg/m3
PM10: 1.95 μg/m3
Carbon Monoxide: 174.88 μg/m3
Nitrogen Dioxide: 2.8 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 87.28 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:37 PM
Sunset: 8:26 PM
Daylight: 13 hrs 35 mins
Moonrise: 5:50 AM
Moon Transit: 11:33 AM
Moonset: 6:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

11:03 AM - 1:33 PM
11:03 AM - 1:33 PM

Minor Periods

6:03 PM - 7:33 PM
5:20 AM - 6:50 AM

Action Rating: 3 out of 5

Thursday, April 16, 2026

Weather Forecast

Patchy rain nearby
49.7°F
38.8°F
43.5°F
97%
0.06 in
85%
0%
12.5 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 3.03 μg/m3
PM10: 3.51 μg/m3
Carbon Monoxide: 186.95 μg/m3
Nitrogen Dioxide: 3.37 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 73.38 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:37 PM
Sunset: 8:27 PM
Daylight: 13 hrs 38 mins
Moonrise: 6:08 AM
Moon Transit: 12:51 AM
Moonset: 7:53 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:43 AM - 3:13 AM
12:21 AM - 2:51 PM

Minor Periods

7:23 PM - 8:53 PM
5:38 AM - 7:08 AM

Action Rating: 5 out of 5

Friday, April 17, 2026

Weather Forecast

Overcast
55.1°F
40.6°F
45.7°F
91%
0 in
0%
0%
14.1 mph
0


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: 6:47 AM
Sun Transit: 1:37 PM
Sunset: 8:29 PM
Daylight: 13 hrs 42 mins
Moonrise: 6:29 AM
Moon Transit: 1:43 PM
Moonset: 9:17 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

1:34 AM - 4:04 AM
1:13 PM - 3:43 PM

Minor Periods

8:47 PM - 10:17 PM
5:59 AM - 7:29 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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