Water Temperature of the St. Clair River in Algonac, MI

Current Water Temperature

36.9°F

Measurement Time: Friday, March 13, 2026, 1:12 AM EDT

Temperature Locations

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Local Points of Interest

Russell Island; Walpole Island

St. Clair River

Station Name: Algonac
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 571 feet

Sensor Depth: -6 feet

Nearest Address:
1530 Saint Clair River Dr
Algonac, MI 48001
St. Clair County

GPS Coordinates: 42.621113, -82.526665

Nearby Water Temperatures

Clinton River, Mt. Clemens, MI (19.5 mi)
Clinton River, Sterling Heights, MI (25.4 mi)
Lake Huron, Lakeport, MI (35.8 mi)
Detroit River, Detroit, MI (36.7 mi)
River Rouge, Detroit, MI (40.9 mi)
Lower River Rouge, Dearborn, MI (42.9 mi)
River Raisin, Monroe, MI (68.7 mi)
Lake Erie, Marblehead, OH (75.2 mi)
Lake Huron, Harbor Beach, MI (84.9 mi)
Grand River, Fairport Harbor, OH (87.2 mi)
Lake Erie, Cleveland, OH (87.5 mi)
Shiawassee River, Saginaw, MI (89.2 mi)
Saginaw River, Saginaw, MI (90.8 mi)
Tittabawassee River, Freeland, MI (102 mi)
Lake Huron, Port Austin, MI (115 mi)

Weather for Algonac, Michigan

Current Weather

27.1°F
Clear
Clear
22.7°F
31.6°F
70%
S 3.8 mph
7.2 mph
27.9°F
27.8°F
0 in
0%
9 mi
1016 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Fri
H: 42°F
L: 30°F
Cloudy
Sat
H: 37°F
L: 25°F
Patchy rain nearby
Sun
H: 48°F
L: 28°F
Moderate rain
Mon
H: 57°F
L: 21°F
Blowing snow
Tue
H: 26°F
L: 19°F

Air Quality

PM2.5: 7.65 μg/m3
PM10: 10.25 μg/m3
Carbon Monoxide: 171.85 μg/m3
Nitrogen Dioxide: 6.05 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 75 μg/m3

Astronomical

Sunrise: 7:45 AM
Sun Transit: 1:39 PM
Sunset: 7:34 PM
Daylight: 11 hrs 49 mins
Moonrise: 5:04 AM
Moon Transit: 9:20 AM
Moonset: 1:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%

Best Times for Fishing or Hunting

Major Periods

8:50 AM - 11:20 AM
12:00 AM - 12:00 AM

Minor Periods

1:11 PM - 2:41 PM
4:34 AM - 6:04 AM

Action Rating: 2 out of 5

High Wind Warning issued March 12 at 1:25PM EDT until March 13 at 10:00PM EDT by NWS Detroit/Pontiac MI

Effective: Thu March 12, 2026, 1:25 PM
Expires: Fri March 13, 2026, 5:30 AM

* WHAT...Southwest winds 20 to 30 mph with gusts 50 to 60 mph expected. * WHERE...A portion of southeast Michigan. * WHEN...From 5 AM to 10 PM EDT Friday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.

Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive.
Friday, March 13, 2026

Weather Forecast

Patchy rain nearby
42.3°F
29.7°F
34.5°F
81%
0.17 in
78%
11%
33.6 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 6.09 μg/m3
PM10: 7.57 μg/m3
Carbon Monoxide: 177.21 μg/m3
Nitrogen Dioxide: 8.91 μg/m3
Sulphur Dioxide: 2.88 μg/m3
Ozone: 75.04 μg/m3

Astronomical

Sunrise: 7:45 AM
Sun Transit: 1:39 PM
Sunset: 7:34 PM
Daylight: 11 hrs 49 mins
Moonrise: 5:04 AM
Moon Transit: 9:20 AM
Moonset: 1:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%

Best Times for Fishing or Hunting

Major Periods

8:50 AM - 11:20 AM
12:00 AM - 12:00 AM

Minor Periods

1:11 PM - 2:41 PM
4:34 AM - 6:04 AM

Action Rating: 2 out of 5

Saturday, March 14, 2026

Weather Forecast

Cloudy
37°F
24.6°F
31°F
67%
0 in
0%
0%
23.5 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 2.79 μg/m3
PM10: 3.29 μg/m3
Carbon Monoxide: 172.09 μg/m3
Nitrogen Dioxide: 5.22 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 88.6 μg/m3

Astronomical

Sunrise: 7:44 AM
Sun Transit: 1:39 PM
Sunset: 7:35 PM
Daylight: 11 hrs 52 mins
Moonrise: 5:40 AM
Moon Transit: 10:10 AM
Moonset: 2:48 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:40 AM - 12:10 AM

Minor Periods

2:18 PM - 3:48 PM
5:10 AM - 6:40 AM

Action Rating: 2 out of 5

Sunday, March 15, 2026

Weather Forecast

Patchy rain nearby
48.1°F
28.2°F
37.2°F
84%
0.2 in
79%
16%
20.1 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 8.92 μg/m3
PM10: 9.73 μg/m3
Carbon Monoxide: 216.71 μg/m3
Nitrogen Dioxide: 14.61 μg/m3
Sulphur Dioxide: 3.89 μg/m3
Ozone: 65.48 μg/m3

Astronomical

Sunrise: 7:42 AM
Sun Transit: 12:00 AM
Sunset: 7:36 PM
Daylight: 11 hrs 55 mins
Moonrise: 6:11 AM
Moon Transit: 11:00 AM
Moonset: 3:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:30 AM - 1:00 PM

Minor Periods

3:28 PM - 4:58 PM
5:41 AM - 7:11 AM

Action Rating: 2 out of 5

Monday, March 16, 2026

Weather Forecast

Moderate rain
56.5°F
21.3°F
42.6°F
76%
0.47 in
89%
23%
31.3 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 5.99 μg/m3
PM10: 6.44 μg/m3
Carbon Monoxide: 184.89 μg/m3
Nitrogen Dioxide: 7.94 μg/m3
Sulphur Dioxide: 3.48 μg/m3
Ozone: 84.85 μg/m3

Astronomical

Sunrise: 7:40 AM
Sun Transit: 12:00 AM
Sunset: 7:38 PM
Daylight: 11 hrs 58 mins
Moonrise: 6:36 AM
Moon Transit: 11:47 AM
Moonset: 5:08 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:17 AM - 1:47 PM

Minor Periods

4:38 PM - 6:08 PM
6:06 AM - 7:36 AM

Action Rating: 3 out of 5

Tuesday, March 17, 2026

Weather Forecast

Blowing snow
26.4°F
19.2°F
21.4°F
57%
0.01 in
71%
55%
22.1 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: 7:38 AM
Sun Transit: 12:00 AM
Sunset: 7:39 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:59 AM
Moon Transit: 12:33 AM
Moonset: 6:20 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:42 AM - 3:12 AM
12:03 AM - 2:33 PM

Minor Periods

5:50 PM - 7:20 PM
6:29 AM - 7:59 AM

Action Rating: 5 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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