Water Temperature of the St. Marys River in Sault Ste. Marie, MI
Current Water Temperature
Measurement Time: Wednesday, July 23, 2025, 4:42 AM EDT
Temperature Locations
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Local Points of Interest
Ashmun Bay; Whitefish Island; St. Mary's Island; Soo Locks; Sault Sainte MarieSponsored Content
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

Humidity: 84%
Feels Like: 62.1°F
Wind: ESE 4.9 mph
Wind Gusts: 10.3 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Wed
H: 80°F
L: 62°F

Thu
H: 75°F
L: 59°F

Fri
H: 72°F
L: 57°F

Sat
H: 83°F
L: 54°F

Sun
H: 81°F
L: 65°F
Air Quality
Nitrogen Dioxide: 4.07 μg/m3
Sulphur Dioxide: 2.78 μg/m3
Ozone: 95 μg/m3
Astronomical
Sun Transit: 1:44 PM
Sunset: 9:19 PM
Daylight: 15 hrs 10 mins
Moon Transit: 12:46 AM
Moonset: 9:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
12:32 AM - 3:02 AM12:16 AM - 2:46 PM
Minor Periods
8:39 PM - 10:09 PM3:42 AM - 5:12 AM
Action Rating: 2 out of 5
avertissement de grains en vigueur
Service Notice – June 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, 2) SAME event codes for a few alert types are updated and 3) 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 – juin 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, 2) des codes d’événement MSSC pour quelques types d’alerte ont été mis à jour et 3) 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: Tue July 22, 2025, 10:29 PM
Expires: Wed July 23, 2025, 1:31 AM
Squalls with wind gusts up to 35 knots and frequent lightning are expected or occurring in the area. A north to south line of thunderstorms, likely producing squalls, is moving east at 40 knots. ### 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 squalls. If underway, seek safe harbour immediately. Consider delaying or postponing travel in areas under the squall warning.
avertissement de grains annulé
Service Notice – June 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, 2) SAME event codes for a few alert types are updated and 3) 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 – juin 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, 2) des codes d’événement MSSC pour quelques types d’alerte ont été mis à jour et 3) 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: Wed July 23, 2025, 1:26 AM
Expires: Wed July 23, 2025, 2:26 AM
Squalls have weakened or moved out of the area. ###
avertissement de grains en vigueur
Service Notice – June 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, 2) SAME event codes for a few alert types are updated and 3) 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 – juin 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, 2) des codes d’événement MSSC pour quelques types d’alerte ont été mis à jour et 3) 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: Wed July 23, 2025, 12:34 AM
Expires: Wed July 23, 2025, 2:31 AM
Squalls with wind gusts up to 40 knots and frequent lightning are expected or occurring in the area. A cluster of thunderstorms north of Grand Marais at 12:30 A.M. is moving east at 40 knots and is likely producing squalls. ### 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 squalls. If underway, seek safe harbour immediately. Consider delaying or postponing travel in areas under the squall warning.
avertissement de grains en vigueur
Service Notice – June 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, 2) SAME event codes for a few alert types are updated and 3) 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 – juin 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, 2) des codes d’événement MSSC pour quelques types d’alerte ont été mis à jour et 3) 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: Tue July 22, 2025, 10:29 PM
Expires: Wed July 23, 2025, 1:31 AM
Squalls with wind gusts up to 35 knots and frequent lightning are expected or occurring in the area. A north to south line of thunderstorms, likely producing squalls, is moving east at 40 knots. ### 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 squalls. If underway, seek safe harbour immediately. Consider delaying or postponing travel in areas under the squall warning.
avertissement de grains annulé
Service Notice – June 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, 2) SAME event codes for a few alert types are updated and 3) 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 – juin 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, 2) des codes d’événement MSSC pour quelques types d’alerte ont été mis à jour et 3) 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: Wed July 23, 2025, 1:26 AM
Expires: Wed July 23, 2025, 2:26 AM
Squalls have weakened or moved out of the area. ###
Weather Forecast
Average Temperature: 71.4°F
Average Humidity: 80%
Wind: 15 mph
UV Index: 1.9
Air Quality
Nitrogen Dioxide: 4.31 μg/m3
Sulphur Dioxide: 2.98 μg/m3
Ozone: 99.36 μg/m3
Astronomical
Sun Transit: 1:44 PM
Sunset: 9:19 PM
Daylight: 15 hrs 10 mins
Moon Transit: 12:46 AM
Moonset: 9:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
12:32 AM - 3:02 AM12:16 AM - 2:46 PM
Minor Periods
8:39 PM - 10:09 PM3:42 AM - 5:12 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 68.1°F
Average Humidity: 94%
Wind: 7.6 mph
UV Index: 1.4
Air Quality
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 3.17 μg/m3
Ozone: 122.12 μg/m3
Astronomical
Sun Transit: 1:44 PM
Sunset: 9:18 PM
Daylight: 15 hrs 8 mins
Moon Transit: 1:44 PM
Moonset: 9:43 PM
Moon Phase: New
Moon Illumination: 0.4%
Best Times for Fishing or Hunting
Major Periods
1:32 AM - 4:02 AM1:14 PM - 3:44 PM
Minor Periods
9:13 PM - 10:43 PM5:00 AM - 6:30 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 62.7°F
Average Humidity: 93%
Wind: 7.2 mph
UV Index: 1.7
Air Quality
Nitrogen Dioxide: 4.89 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 71.88 μg/m3
Astronomical
Sun Transit: 1:44 PM
Sunset: 9:17 PM
Daylight: 15 hrs 6 mins
Moon Transit: 2:37 PM
Moonset: 10:09 PM
Moon Phase: New
Moon Illumination: 3.1%
Best Times for Fishing or Hunting
Major Periods
2:28 AM - 4:58 AM2:07 PM - 4:37 PM
Minor Periods
9:39 PM - 11:09 PM6:20 AM - 7:50 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 70.7°F
Average Humidity: 78%
Wind: 9.4 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 8.41 μg/m3
Sulphur Dioxide: 0.38 μg/m3
Ozone: 47.38 μg/m3
Astronomical
Sun Transit: 1:44 PM
Sunset: 9:15 PM
Daylight: 15 hrs 4 mins
Moon Transit: 3:26 PM
Moonset: 10:29 PM
Moon Phase: New
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
3:19 AM - 5:49 AM2:56 PM - 5:26 PM
Minor Periods
9:59 PM - 11:29 PM7:37 AM - 9:07 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 70.8°F
Average Humidity: 85%
Wind: 7.8 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:44 PM
Sunset: 9:14 PM
Daylight: 15 hrs 1 mins
Moon Transit: 4:10 PM
Moonset: 10:46 PM
Moon Phase: New
Moon Illumination: 3.8%
Best Times for Fishing or Hunting
Major Periods
4:05 AM - 6:35 AM3:40 PM - 6:10 PM
Minor Periods
10:16 PM - 11:46 PM8:51 AM - 10:21 AM
Action Rating: 4 out of 5