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

Current Water Temperature

55.6°F

Measurement Time: Saturday, June 21, 2025, 10:12 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

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St. Marys River

Station Name: S.W. Pier, St. Marys River
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 597 feet / 182 meters

Sensor Depth: -3.8 feet / -1.2 meters

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

62.1°F
Thundery outbreaks possible
Conditions: Thundery outbreaks possible
Humidity: 96%
Feels Like: 62.1°F
Wind: ESE 10.5 mph
Wind Gusts: 14.5 mph
Pressure: 29.93 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 1 mi
UV Index: 0.8

Five Day Weather Forecast

Patchy rain nearby
Sat
H: 86°F
L: 59°F
Patchy rain nearby
Sun
H: 86°F
L: 67°F
Heavy rain
Mon
H: 79°F
L: 56°F
Patchy rain nearby
Tue
H: 66°F
L: 49°F
Partly Cloudy
Wed
H: 69°F
L: 49°F

Air Quality

AQI: 1 - Good
PM2.5: 9.44 μg/m3
PM10: 9.81 μg/m3
Carbon Monoxide: 340.4 μg/m3
Nitrogen Dioxide: 4.81 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 79 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:39 PM
Sunset: 9:34 PM
Daylight: 15 hrs 50 mins
Moonrise: 2:29 AM
Moon Transit: 9:52 AM
Moonset: 5:34 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:22 AM - 11:52 AM

Minor Periods

5:04 PM - 6:34 PM
1:59 AM - 3:29 AM

Action Rating: 2 out of 5

veille de grains en vigueur en vigueur

Service Notice – April 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 planned for deployment for later in 2025. Data changes will appear in CAP-CP upon this deployment, and 2) 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 – avril 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 prévue d’être déployée plus tard en 2025. Des changements aux données apparaîtront dans le PC-PAC lors de ce déploiement, et 2) 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: Sat June 21, 2025, 5:23 AM
Expires: Sat June 21, 2025, 5:00 PM

Thunderstorms approaching from northern Minnesota will affect the area this morning, and potentially into this afternoon. Squalls with wind gusts up to 40 knots, frequent lightning, and up to nickel size hail may occur. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.


veille de grains en vigueur en vigueur

Service Notice – April 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 planned for deployment for later in 2025. Data changes will appear in CAP-CP upon this deployment, and 2) 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 – avril 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 prévue d’être déployée plus tard en 2025. Des changements aux données apparaîtront dans le PC-PAC lors de ce déploiement, et 2) 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: Sat June 21, 2025, 4:26 AM
Expires: Sat June 21, 2025, 5:01 PM

Thunderstorms approaching from northern Minnesota will affect the area this morning, and potentially into this afternoon. Squalls with wind gusts up to 40 knots, frequent lightning, and up to nickel size hail may occur. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.


veille de grains en vigueur en vigueur

Service Notice – April 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 planned for deployment for later in 2025. Data changes will appear in CAP-CP upon this deployment, and 2) 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 – avril 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 prévue d’être déployée plus tard en 2025. Des changements aux données apparaîtront dans le PC-PAC lors de ce déploiement, et 2) 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: Sat June 21, 2025, 5:23 AM
Expires: Sat June 21, 2025, 5:00 PM

Thunderstorms approaching from northern Minnesota will affect the area this morning, and potentially into this afternoon. Squalls with wind gusts up to 40 knots, frequent lightning, and up to nickel size hail may occur. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.


veille de grains en vigueur en vigueur

Service Notice – April 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 planned for deployment for later in 2025. Data changes will appear in CAP-CP upon this deployment, and 2) 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 – avril 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 prévue d’être déployée plus tard en 2025. Des changements aux données apparaîtront dans le PC-PAC lors de ce déploiement, et 2) 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: Sat June 21, 2025, 4:26 AM
Expires: Sat June 21, 2025, 5:01 PM

Thunderstorms approaching from northern Minnesota will affect the area this morning, and potentially into this afternoon. Squalls with wind gusts up to 40 knots, frequent lightning, and up to nickel size hail may occur. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.


veille de grains en vigueur en vigueur

Service Notice – April 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 planned for deployment for later in 2025. Data changes will appear in CAP-CP upon this deployment, and 2) 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 – avril 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 prévue d’être déployée plus tard en 2025. Des changements aux données apparaîtront dans le PC-PAC lors de ce déploiement, et 2) 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: Sat June 21, 2025, 5:23 AM
Expires: Sat June 21, 2025, 5:00 PM

Thunderstorms approaching from northern Minnesota will affect the area this morning, and potentially into this afternoon. Squalls with wind gusts up to 40 knots, frequent lightning, and up to nickel size hail may occur. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.


Saturday, June 21, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 65.4°F
Average Humidity: 92%
Chance of Rain: 86%
Wind: 17.9 mph
UV Index: 0.5

Air Quality

AQI: 1 - Good
PM2.5: 13.53 μg/m3
PM10: 14.07 μg/m3
Carbon Monoxide: 358.01 μg/m3
Nitrogen Dioxide: 4.64 μg/m3
Sulphur Dioxide: 0.82 μg/m3
Ozone: 81.04 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:39 PM
Sunset: 9:34 PM
Daylight: 15 hrs 50 mins
Moonrise: 2:29 AM
Moon Transit: 9:52 AM
Moonset: 5:34 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:22 AM - 11:52 AM

Minor Periods

5:04 PM - 6:34 PM
1:59 AM - 3:29 AM

Action Rating: 2 out of 5

Sunday, June 22, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 74.7°F
Average Humidity: 89%
Chance of Rain: 83%
Wind: 12.1 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 12.35 μg/m3
PM10: 12.75 μg/m3
Carbon Monoxide: 334.78 μg/m3
Nitrogen Dioxide: 4.71 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 108.6 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 1:39 PM
Sunset: 9:34 PM
Daylight: 15 hrs 49 mins
Moonrise: 2:56 AM
Moon Transit: 10:49 AM
Moonset: 7:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:19 AM - 12:49 AM

Minor Periods

6:30 PM - 8:00 PM
2:26 AM - 3:56 AM

Action Rating: 2 out of 5

Monday, June 23, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 68.9°F
Average Humidity: 91%
Chance of Rain: 86%
Wind: 14.8 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 10.41 μg/m3
PM10: 11.17 μg/m3
Carbon Monoxide: 274.91 μg/m3
Nitrogen Dioxide: 4.51 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 104.36 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 1:39 PM
Sunset: 9:34 PM
Daylight: 15 hrs 49 mins
Moonrise: 3:30 AM
Moon Transit: 11:50 AM
Moonset: 8:23 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:20 AM - 1:50 PM

Minor Periods

7:53 PM - 9:23 PM
3:00 AM - 4:30 AM

Action Rating: 3 out of 5

Tuesday, June 24, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 57.5°F
Average Humidity: 80%
Chance of Rain: 88%
Wind: 12.3 mph
UV Index: 1.7

Air Quality

AQI: 1 - Good
PM2.5: 2.96 μg/m3
PM10: 3.17 μg/m3
Carbon Monoxide: 287.42 μg/m3
Nitrogen Dioxide: 3.82 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 74.12 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 1:40 PM
Sunset: 9:34 PM
Daylight: 15 hrs 49 mins
Moonrise: 4:18 AM
Moon Transit: 12:55 AM
Moonset: 9:35 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:39 AM - 3:09 AM
12:25 AM - 2:55 PM

Minor Periods

9:05 PM - 10:35 PM
3:48 AM - 5:18 AM

Action Rating: 5 out of 5

Wednesday, June 25, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 59.2°F
Average Humidity: 70%
Chance of Rain: 0%
Wind: 7.6 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 3.37 μg/m3
PM10: 3.43 μg/m3
Carbon Monoxide: 282.77 μg/m3
Nitrogen Dioxide: 6.13 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 47 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:40 PM
Sunset: 9:34 PM
Daylight: 15 hrs 49 mins
Moonrise: 5:20 AM
Moon Transit: 2:00 PM
Moonset: 10:33 PM
Moon Phase: New
Moon Illumination: 1.6%

Best Times for Fishing or Hunting

Major Periods

1:44 AM - 4:14 AM
1:30 PM - 4:00 PM

Minor Periods

10:03 PM - 11:33 PM
4:50 AM - 6:20 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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