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

-7.1°F
Light snow
Light snow
-20.1°F
-7.2°F
71%
NNW 5.8 mph
7.5 mph
-16.7°F
-13.2°F
0.01 in
100%
0 mi
1029 mbar
0.8

Five Day Weather Forecast

Light freezing rain
Fri
H: -4°F
L: -18°F
Moderate or heavy snow showers
Sat
H: 11°F
L: -17°F
Partly Cloudy
Sun
H: 15°F
L: -3°F
Moderate or heavy snow showers
Mon
H: 16°F
L: 4°F
Light snow
Tue
H: 14°F
L: -4°F

Air Quality

AQI: 1 - Good
PM2.5: 1.55 μg/m3
PM10: 1.55 μg/m3
Carbon Monoxide: 272.85 μg/m3
Nitrogen Dioxide: 3.05 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 61 μg/m3

Astronomical

Sunrise: 8:11 AM
Sun Transit: 12:49 AM
Sunset: 5:28 PM
Daylight: 9 hrs 17 mins
Moonrise: 10:18 AM
Moon Transit: 9:54 AM
Moonset: 11:13 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%

Best Times for Fishing or Hunting

Major Periods

9:24 AM - 11:54 AM
9:24 AM - 11:54 AM

Minor Periods

12:00 AM - 12:00 AM
9:48 AM - 11:18 AM

Action Rating: 2 out of 5

yellow warning - snow squall - in effect

Service Notice – November 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is tentatively set for deployment November 26, 2025. Data changes will appear in CAP following this deployment, 2) the alert name ‘extreme cold warning’ will change to ‘cold warning’, 3) two Public zone names will change in Saskatchewan, 4) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard continues, there will be changes coming to CAP and 5) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – novembre 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est provisoirement prévue pour un déploiement le 26 novembre 2025. Des changements aux données apparaîtront dans le PAC suite à ce déploiement, 2) le nom de l’alerte ‘avertissement de froid extrême’ changera pour ‘avertissement de froid’, 3) deux noms de zones publiques seront modifiés en Saskatchewan, 4) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique se poursuit. Des changements seront également apportés au PAC et 5) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Fri January 23, 2026, 4:01 AM
Expires: Fri January 23, 2026, 4:01 PM

Lake effect snow continues. What: Significantly reduced visibility in heavy snow and local blowing snow. Additional local snowfall amounts of 5 to 10 cm. When: Continuing into Friday morning. ### Travel will likely be hazardous. Visibility will likely be suddenly reduced to near zero at times. Road closures are possible. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.

Prepare for quickly changing and deteriorating travel conditions.


yellow warning - snow squall - in effect

Service Notice – November 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is tentatively set for deployment November 26, 2025. Data changes will appear in CAP following this deployment, 2) the alert name ‘extreme cold warning’ will change to ‘cold warning’, 3) two Public zone names will change in Saskatchewan, 4) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard continues, there will be changes coming to CAP and 5) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – novembre 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est provisoirement prévue pour un déploiement le 26 novembre 2025. Des changements aux données apparaîtront dans le PAC suite à ce déploiement, 2) le nom de l’alerte ‘avertissement de froid extrême’ changera pour ‘avertissement de froid’, 3) deux noms de zones publiques seront modifiés en Saskatchewan, 4) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique se poursuit. Des changements seront également apportés au PAC et 5) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Fri January 23, 2026, 2:59 PM
Expires: Fri January 23, 2026, 7:01 PM

Snow squalls easing this morning. What: Significantly reduced visibility in heavy snow and local blowing snow. Additional local snowfall amounts near 5 cm. When: Snow squalls are expected to shift just west of the region this morning. There is potential for lake effect snow to return this afternoon or this evening. ### Travel will likely be hazardous. Visibility will likely be suddenly reduced to near zero at times. Road closures are possible. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.

Prepare for quickly changing and deteriorating travel conditions.


yellow warning - snow squall - in effect

Service Notice – November 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is tentatively set for deployment November 26, 2025. Data changes will appear in CAP following this deployment, 2) the alert name ‘extreme cold warning’ will change to ‘cold warning’, 3) two Public zone names will change in Saskatchewan, 4) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard continues, there will be changes coming to CAP and 5) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – novembre 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est provisoirement prévue pour un déploiement le 26 novembre 2025. Des changements aux données apparaîtront dans le PAC suite à ce déploiement, 2) le nom de l’alerte ‘avertissement de froid extrême’ changera pour ‘avertissement de froid’, 3) deux noms de zones publiques seront modifiés en Saskatchewan, 4) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique se poursuit. Des changements seront également apportés au PAC et 5) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Fri January 23, 2026, 10:16 AM
Expires: Fri January 23, 2026, 5:02 PM

Snow squalls easing this morning. What: Significantly reduced visibility in heavy snow and local blowing snow. Additional local snowfall amounts near 5 cm. When: Snow squalls are expected to shift just west of the region this morning. There is potential for lake effect snow to return this afternoon or this evening. ### Travel will likely be hazardous. Visibility will likely be suddenly reduced to near zero at times. Road closures are possible. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.

Prepare for quickly changing and deteriorating travel conditions.


yellow warning - snow squall - in effect

Service Notice – November 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is tentatively set for deployment November 26, 2025. Data changes will appear in CAP following this deployment, 2) the alert name ‘extreme cold warning’ will change to ‘cold warning’, 3) two Public zone names will change in Saskatchewan, 4) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard continues, there will be changes coming to CAP and 5) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – novembre 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est provisoirement prévue pour un déploiement le 26 novembre 2025. Des changements aux données apparaîtront dans le PAC suite à ce déploiement, 2) le nom de l’alerte ‘avertissement de froid extrême’ changera pour ‘avertissement de froid’, 3) deux noms de zones publiques seront modifiés en Saskatchewan, 4) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique se poursuit. Des changements seront également apportés au PAC et 5) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Fri January 23, 2026, 3:59 AM
Expires: Fri January 23, 2026, 3:00 PM

Snow squalls continue tonight. What: Significantly reduced visibility in heavy snow and local blowing snow. Additional local snowfall amounts of 10 to 15 cm. When: Continuing into Friday morning. ### Travel will be hazardous. Visibility will be suddenly reduced to near zero at times. Roads and walkways will be difficult to navigate due to accumulating snow. Road closures are possible. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.

Prepare for quickly changing and deteriorating travel conditions. Consider postponing non-essential travel and outdoor activities until conditions improve.


yellow warning - snow squall - in effect

Service Notice – November 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is tentatively set for deployment November 26, 2025. Data changes will appear in CAP following this deployment, 2) the alert name ‘extreme cold warning’ will change to ‘cold warning’, 3) two Public zone names will change in Saskatchewan, 4) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard continues, there will be changes coming to CAP and 5) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – novembre 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est provisoirement prévue pour un déploiement le 26 novembre 2025. Des changements aux données apparaîtront dans le PAC suite à ce déploiement, 2) le nom de l’alerte ‘avertissement de froid extrême’ changera pour ‘avertissement de froid’, 3) deux noms de zones publiques seront modifiés en Saskatchewan, 4) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique se poursuit. Des changements seront également apportés au PAC et 5) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Fri January 23, 2026, 10:16 AM
Expires: Fri January 23, 2026, 5:02 PM

Snow squalls easing this morning. What: Significantly reduced visibility in heavy snow and local blowing snow. Additional local snowfall amounts near 5 cm. When: Snow squalls are expected to shift just west of the region this morning. There is potential for lake effect snow to return this afternoon or this evening. ### Travel will likely be hazardous. Visibility will likely be suddenly reduced to near zero at times. Road closures are possible. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.

Prepare for quickly changing and deteriorating travel conditions.


Friday, January 23, 2026

Weather Forecast

Light freezing rain
-4°F
-17.5°F
-8.1°F
71%
0.27 in
87%
84%
15 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.66 μg/m3
PM10: 1.79 μg/m3
Carbon Monoxide: 175.05 μg/m3
Nitrogen Dioxide: 2.13 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 66.2 μg/m3

Astronomical

Sunrise: 8:11 AM
Sun Transit: 12:49 AM
Sunset: 5:28 PM
Daylight: 9 hrs 17 mins
Moonrise: 10:18 AM
Moon Transit: 9:54 AM
Moonset: 11:13 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%

Best Times for Fishing or Hunting

Major Periods

9:24 AM - 11:54 AM
9:24 AM - 11:54 AM

Minor Periods

12:00 AM - 12:00 AM
9:48 AM - 11:18 AM

Action Rating: 2 out of 5

Saturday, January 24, 2026

Weather Forecast

Moderate or heavy snow showers
10.6°F
-17.1°F
-1.6°F
82%
0.07 in
73%
7%
5.4 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 1.65 μg/m3
PM10: 1.67 μg/m3
Carbon Monoxide: 199.89 μg/m3
Nitrogen Dioxide: 2.83 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 65.68 μg/m3

Astronomical

Sunrise: 8:10 AM
Sun Transit: 12:49 AM
Sunset: 5:30 PM
Daylight: 9 hrs 20 mins
Moonrise: 10:36 AM
Moon Transit: 5:24 PM
Moonset: 12:13 AM
Moon Phase: First Quarter
Moon Illumination: 34.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:54 PM - 7:24 PM

Minor Periods

10:06 AM - 11:36 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, January 25, 2026

Weather Forecast

Partly Cloudy
14.7°F
-2.7°F
6°F
80%
0 in
0%
0%
4.3 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3.24 μg/m3
PM10: 3.3 μg/m3
Carbon Monoxide: 213.41 μg/m3
Nitrogen Dioxide: 6.35 μg/m3
Sulphur Dioxide: 2.13 μg/m3
Ozone: 64.4 μg/m3

Astronomical

Sunrise: 8:09 AM
Sun Transit: 12:49 AM
Sunset: 5:31 PM
Daylight: 9 hrs 22 mins
Moonrise: 10:55 AM
Moon Transit: 6:13 PM
Moonset: 12:30 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%

Best Times for Fishing or Hunting

Major Periods

6:04 AM - 8:34 AM
5:43 PM - 8:13 PM

Minor Periods

10:25 AM - 11:55 AM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Monday, January 26, 2026

Weather Forecast

Moderate or heavy snow showers
15.9°F
4.1°F
9.7°F
87%
0.09 in
72%
23%
13.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.27 μg/m3
PM10: 4.34 μg/m3
Carbon Monoxide: 178.13 μg/m3
Nitrogen Dioxide: 6.69 μg/m3
Sulphur Dioxide: 2.59 μg/m3
Ozone: 64.8 μg/m3

Astronomical

Sunrise: 8:08 AM
Sun Transit: 12:50 AM
Sunset: 5:33 PM
Daylight: 9 hrs 25 mins
Moonrise: 11:19 AM
Moon Transit: 7:06 PM
Moonset: 1:49 AM
Moon Phase: First Quarter
Moon Illumination: 57.1%

Best Times for Fishing or Hunting

Major Periods

6:56 AM - 9:26 AM
6:36 PM - 9:06 PM

Minor Periods

10:49 AM - 12:19 AM
1:19 AM - 2:49 AM

Action Rating: 2 out of 5

Tuesday, January 27, 2026

Weather Forecast

Light snow
13.9°F
-4°F
5.7°F
92%
0.08 in
79%
39%
9.2 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 5.1 μg/m3
PM10: 5.13 μg/m3
Carbon Monoxide: 190.68 μg/m3
Nitrogen Dioxide: 5.17 μg/m3
Sulphur Dioxide: 1.7 μg/m3
Ozone: 67.46 μg/m3

Astronomical

Sunrise: 8:07 AM
Sun Transit: 12:50 AM
Sunset: 5:34 PM
Daylight: 9 hrs 27 mins
Moonrise: 11:51 AM
Moon Transit: 8:05 PM
Moonset: 3:11 AM
Moon Phase: First Quarter
Moon Illumination: 68.0%

Best Times for Fishing or Hunting

Major Periods

7:52 AM - 10:22 AM
7:35 PM - 10:05 PM

Minor Periods

11:21 AM - 12:51 AM
2:41 AM - 4:11 AM

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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