Water Temperature of the St. Marys River in Sault Ste. Marie, MI
Current Water Temperature
Measurement Time: Friday, January 16, 2026, 8:06 AM EST
Temperature Locations
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Local Points of Interest
Rotary Park; Rotary Island; Steers Island; Island Number One; Sault Sainte MarieStation 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

Five Day Weather Forecast

Fri
H: 22°F
L: 9°F

Sat
H: 26°F
L: 16°F

Sun
H: 13°F
L: -11°F

Mon
H: 13°F
L: -10°F

Tue
H: -6°F
L: -21°F
Air Quality
Nitrogen Dioxide: 6.15 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 60 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 5:18 PM
Daylight: 9 hrs 2 mins
Moon Transit: 11:02 AM
Moonset: 2:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:32 AM - 1:02 PM
Minor Periods
2:23 PM - 3:53 PM6:43 AM - 8:13 AM
Action Rating: 3 out of 5
yellow warning - snowfall - 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: Thu January 15, 2026, 10:30 PM
Expires: Fri January 16, 2026, 2:30 PM
Lake enhanced snowfall expected Friday. What: Snowfall amounts near 15 cm. Reduced visibility at times in heavy snow and local blowing snow. When: Beginning Friday morning or afternoon, continuing into early Saturday morning. Additional information: Lake enhanced snowfall may lead to locally higher amounts particularly if a heavy snow band remains over an area for a prolonged period of time. ### Roads and walkways will likely be difficult to navigate due to accumulating snow. Visibility will likely be reduced at times. 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 - snowfall - 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 16, 2026, 4:47 AM
Expires: Fri January 16, 2026, 8:47 PM
Lake enhanced snowfall expected today. What: Snowfall amounts near 15 cm. Reduced visibility at times in heavy snow and local blowing snow. When: Beginning this morning or this afternoon, continuing into early Saturday morning. Additional information: Lake enhanced snowfall may lead to locally higher amounts particularly if a heavy snow band remains over an area for a prolonged period of time. ### Roads and walkways will likely be difficult to navigate due to accumulating snow. Visibility will likely be reduced at times. 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.
Winter Weather Advisory issued January 15 at 9:58PM EST until January 16 at 7:00PM EST by NWS Gaylord MI
Effective: Thu January 15, 2026, 9:58 PM
Expires: Fri January 16, 2026, 10:00 AM
* WHAT...Lake effect snow. Total snow accumulations between 4 and 7 inches, with locally higher totals possible. The heaviest snow is expected to fall near and west of Naubinway in Mackinac County. * WHERE...Western Mackinac County, and Beaver Island and surrounding islands. * WHEN...Until 7 PM EST Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday morning and evening commutes.
Slow down and use caution while traveling. During lake effect snow, the weather can vary from bands of locally heavy snow to dry weather just a few miles away. Visibilities can also vary greatly. Be prepared for rapid changes in weather, visibility, and road conditions.
Winter Weather Advisory issued January 16 at 2:15AM EST until January 16 at 7:00PM EST by NWS Gaylord MI
Effective: Fri January 16, 2026, 2:15 AM
Expires: Fri January 16, 2026, 2:15 PM
* WHAT...Lake effect snow. Additional snow accumulations between 4 and 6 inches, with locally higher totals possible. The heaviest snow is expected to fall near and west of Naubinway in Mackinac County. * WHERE...Western Mackinac County, and Beaver Island and surrounding islands. * WHEN...Until 7 PM EST this evening. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday morning and evening commutes.
Slow down and use caution while traveling. During lake effect snow, the weather can vary from bands of locally heavy snow to dry weather just a few miles away. Visibilities can also vary greatly. Be prepared for rapid changes in weather, visibility, and road conditions.
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.65 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 65.16 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 5:18 PM
Daylight: 9 hrs 2 mins
Moon Transit: 11:02 AM
Moonset: 2:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:32 AM - 1:02 PM
Minor Periods
2:23 PM - 3:53 PM6:43 AM - 8:13 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.23 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 55.48 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 5:20 PM
Daylight: 9 hrs 4 mins
Moon Transit: 11:55 AM
Moonset: 3:56 PM
Moon Phase: New
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:25 AM - 1:55 PM
Minor Periods
3:26 PM - 4:56 PM7:28 AM - 8:58 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.13 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 56.62 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 5:21 PM
Daylight: 9 hrs 6 mins
Moon Transit: 12:46 AM
Moonset: 5:06 PM
Moon Phase: New
Moon Illumination: 2.5%
Best Times for Fishing or Hunting
Major Periods
12:38 AM - 3:08 AM12:16 AM - 2:46 PM
Minor Periods
4:36 PM - 6:06 PM8:04 AM - 9:34 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:48 AM
Sunset: 5:22 PM
Daylight: 9 hrs 8 mins
Moon Transit: 1:35 PM
Moonset: 6:19 PM
Moon Phase: New
Moon Illumination: 0.4%
Best Times for Fishing or Hunting
Major Periods
1:28 AM - 3:58 AM1:05 PM - 3:35 PM
Minor Periods
5:49 PM - 7:19 PM8:32 AM - 10:02 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:48 AM
Sunset: 5:24 PM
Daylight: 9 hrs 10 mins
Moon Transit: 2:23 PM
Moonset: 7:32 PM
Moon Phase: New
Moon Illumination: 3.1%
Best Times for Fishing or Hunting
Major Periods
2:16 AM - 4:46 AM1:53 PM - 4:23 PM
Minor Periods
7:02 PM - 8:32 PM8:55 AM - 10:25 AM
Action Rating: 3 out of 5
