Water Temperature of the Au Sable River in South Branch, MI

Current Water Temperature

59.9°F

Measurement Time: Friday, October 2, 2026, 2:45 PM EDT

Temperature Locations

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Local Points of Interest

Loud Dam Pond

Au Sable River

Station Name: AU SABLE RIVER NEAR SOUTH BRANCH, MI
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 722 feet

Nearest Address:
4980 Loud Dam Rd
South Branch, MI 48737
Iosco County

GPS Coordinates: 44.46334886, -83.7213714

Nearby Water Temperatures

Au Sable River, Glennie, MI (2.4 mi)
Au Sable River, Oscoda, MI (7.4 mi)
Au Sable River, Glennie, MI (7.8 mi)
Au Sable River, Curran, MI (11.8 mi)
Au Sable River, Oscoda, MI (14.3 mi)
Au Sable River, Mio, MI (24.3 mi)
Rifle River, Sterling, MI (30.8 mi)
Au Sable River, Luzerne, MI (31.7 mi)
South Branch Au Sable River, Grayling, MI (37.6 mi)
North Branch Au Sable River, Grayling, MI (38.6 mi)
Lake Huron, Alpena, MI (42.5 mi)
Thunder Bay River, Alpena, MI (43.8 mi)
Manistee River, Grayling, MI (57.6 mi)
Lake Huron, Port Austin, MI (65.7 mi)
Tittabawassee River, Freeland, MI (67.9 mi)

Weather for South Branch, Michigan

Current Weather

54°F
Clear
Clear
69%
NW 5 mph
44°F

Weather Forecast

Clear then Patchy Frost
Tonight
36°F - Clear then Patchy Frost
Areas Of Frost then Sunny
Saturday
62°F - Areas Of Frost then Sunny
Partly Cloudy then Slight Chance Rain Showers
Saturday Night
40°F - Partly Cloudy then Slight Chance Rain Showers
Slight Chance Rain Showers
Sunday
68°F - Slight Chance Rain Showers
Mostly Clear
Sunday Night
35°F - Mostly Clear
Sunny
Monday
61°F - Sunny
Mostly Clear
Monday Night
31°F - Mostly Clear
Sunny
Tuesday
63°F - Sunny
Mostly Clear
Tuesday Night
40°F - Mostly Clear
Mostly Sunny
Wednesday
69°F - Mostly Sunny
Partly Cloudy
Wednesday Night
41°F - Partly Cloudy
Mostly Sunny
Thursday
69°F - Mostly Sunny
Partly Cloudy
Thursday Night
39°F - Partly Cloudy
Mostly Sunny
Friday
66°F - Mostly Sunny

Astronomical

Sunrise: 7:34 AM
Sun Transit: 1:24 PM
Sunset: 7:13 PM
Daylight: 11 hrs 40 mins
Moonrise: 11:04 PM
Moon Transit: 6:24 AM
Moonset: 2:50 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:54 AM - 8:24 AM
7:18 PM - 9:48 PM

Minor Periods

12:00 AM - 12:00 AM
2:20 PM - 3:50 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:34 AM
Sun Transit: 1:24 PM
Sunset: 7:13 PM
Daylight: 11 hrs 40 mins
Moonrise: 11:04 PM
Moon Transit: 6:24 AM
Moonset: 2:50 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:54 AM - 8:24 AM
7:18 PM - 9:48 PM

Minor Periods

12:00 AM - 12:00 AM
2:20 PM - 3:50 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:35 AM
Sun Transit: 1:23 PM
Sunset: 7:12 PM
Daylight: 11 hrs 36 mins
Moonrise: 12:04 AM
Moon Transit: 7:27 AM
Moonset: 3:43 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:57 AM - 9:27 AM
8:20 PM - 10:50 PM

Minor Periods

3:13 PM - 4:43 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:35 AM
Sun Transit: 1:23 PM
Sunset: 7:12 PM
Daylight: 11 hrs 36 mins
Moonrise: 12:04 AM
Moon Transit: 7:27 AM
Moonset: 3:43 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:57 AM - 9:27 AM
8:20 PM - 10:50 PM

Minor Periods

3:13 PM - 4:43 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:36 AM
Sun Transit: 1:23 PM
Sunset: 7:10 PM
Daylight: 11 hrs 33 mins
Moonrise: 12:18 AM
Moon Transit: 8:27 AM
Moonset: 4:24 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

7:57 AM - 10:27 AM
9:17 PM - 11:47 PM

Minor Periods

3:54 PM - 5:24 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:36 AM
Sun Transit: 1:23 PM
Sunset: 7:10 PM
Daylight: 11 hrs 33 mins
Moonrise: 12:18 AM
Moon Transit: 8:27 AM
Moonset: 4:24 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

7:57 AM - 10:27 AM
9:17 PM - 11:47 PM

Minor Periods

3:54 PM - 5:24 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:37 AM
Sun Transit: 1:23 PM
Sunset: 7:08 PM
Daylight: 11 hrs 30 mins
Moonrise: 1:36 AM
Moon Transit: 9:23 AM
Moonset: 4:55 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:53 AM - 11:23 AM
12:00 AM - 12:00 AM

Minor Periods

4:25 PM - 5:55 PM
1:06 AM - 2:36 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:37 AM
Sun Transit: 1:23 PM
Sunset: 7:08 PM
Daylight: 11 hrs 30 mins
Moonrise: 1:36 AM
Moon Transit: 9:23 AM
Moonset: 4:55 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:53 AM - 11:23 AM
12:00 AM - 12:00 AM

Minor Periods

4:25 PM - 5:55 PM
1:06 AM - 2:36 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:39 AM
Sun Transit: 1:22 PM
Sunset: 7:06 PM
Daylight: 11 hrs 27 mins
Moonrise: 2:55 AM
Moon Transit: 10:14 AM
Moonset: 5:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:44 AM - 12:14 AM

Minor Periods

4:50 PM - 6:20 PM
2:25 AM - 3:55 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:39 AM
Sun Transit: 1:22 PM
Sunset: 7:06 PM
Daylight: 11 hrs 27 mins
Moonrise: 2:55 AM
Moon Transit: 10:14 AM
Moonset: 5:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:44 AM - 12:14 AM

Minor Periods

4:50 PM - 6:20 PM
2:25 AM - 3:55 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:40 AM
Sun Transit: 1:22 PM
Sunset: 7:04 PM
Daylight: 11 hrs 24 mins
Moonrise: 4:11 AM
Moon Transit: 11:03 AM
Moonset: 5:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:33 AM - 1:03 PM

Minor Periods

5:11 PM - 6:41 PM
3:41 AM - 5:11 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:40 AM
Sun Transit: 1:22 PM
Sunset: 7:04 PM
Daylight: 11 hrs 24 mins
Moonrise: 4:11 AM
Moon Transit: 11:03 AM
Moonset: 5:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:33 AM - 1:03 PM

Minor Periods

5:11 PM - 6:41 PM
3:41 AM - 5:11 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:41 AM
Sun Transit: 1:22 PM
Sunset: 7:03 PM
Daylight: 11 hrs 21 mins
Moonrise: 5:24 AM
Moon Transit: 11:49 AM
Moonset: 6:01 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:19 AM - 1:49 PM

Minor Periods

5:31 PM - 7:01 PM
4:54 AM - 6:24 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:41 AM
Sun Transit: 1:22 PM
Sunset: 7:03 PM
Daylight: 11 hrs 21 mins
Moonrise: 5:24 AM
Moon Transit: 11:49 AM
Moonset: 6:01 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:19 AM - 1:49 PM

Minor Periods

5:31 PM - 7:01 PM
4:54 AM - 6:24 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:42 AM
Sun Transit: 1:22 PM
Sunset: 7:01 PM
Daylight: 11 hrs 18 mins
Moonrise: 6:36 AM
Moon Transit: 12:33 AM
Moonset: 6:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

5:50 PM - 7:20 PM
6:06 AM - 7:36 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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