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

Current Water Temperature

64.4°F

Measurement Time: Tuesday, June 9, 2026, 10:30 PM EDT

Temperature Locations

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Local Points of Interest

Au Sable State Forest-Grayling Unit; Luzerne, MI

South Branch Au Sable River

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

Elevation Above Sea Level: 1,070 feet

Nearest Address:
7801 Old M-72
Grayling, MI 49738
Crawford County

GPS Coordinates: 44.61473849, -84.455575

Nearby Water Temperatures

North Branch Au Sable River, Grayling, MI (7.3 mi)
Au Sable River, Luzerne, MI (9.1 mi)
Au Sable River, Mio, MI (16.3 mi)
Manistee River, Grayling, MI (20 mi)
Au Sable River, Curran, MI (30.4 mi)
Au Sable River, Glennie, MI (32.3 mi)
Au Sable River, South Branch, MI (37.6 mi)
Au Sable River, Glennie, MI (40 mi)
Rifle River, Sterling, MI (43.2 mi)
Au Sable River, Oscoda, MI (44.6 mi)
Au Sable River, Oscoda, MI (51.8 mi)
Thunder Bay River, Alpena, MI (59.1 mi)
Manistee River, Mesick, MI (62.5 mi)
Little Traverse Bay, Petoskey, MI (62.7 mi)
Lake Huron, Alpena, MI (63.6 mi)

Weather for Grayling, Michigan

Current Weather

66°F
Mist
Mist
66°F
65.6°F
100%
WNW 2.2 mph
2.2 mph
65.5°F
63.6°F
0 in
100%
2 mi
1010 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 86°F
L: 65°F
Patchy rain nearby
Thu
H: 88°F
L: 68°F
Moderate rain
Fri
H: 76°F
L: 58°F
Patchy rain nearby
Sat
H: 70°F
L: 52°F
Patchy rain nearby
Sun
H: 71°F
L: 46°F

Air Quality

AQI: 1 - Good
PM2.5: 4.3 μg/m3
PM10: 4.4 μg/m3
Carbon Monoxide: 144 μg/m3
Nitrogen Dioxide: 2.6 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 72 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:37 PM
Sunset: 9:22 PM
Daylight: 15 hrs 30 mins
Moonrise: 2:34 AM
Moon Transit: 9:16 AM
Moonset: 4:16 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.1%

Best Times for Fishing or Hunting

Major Periods

8:46 AM - 11:16 AM
12:00 AM - 12:00 AM

Minor Periods

3:46 PM - 5:16 PM
2:04 AM - 3:34 AM

Action Rating: 2 out of 5

Dense Fog Advisory issued June 9 at 9:50PM EDT until June 10 at 11:00AM EDT by NWS Gaylord MI

Effective: Tue June 9, 2026, 9:50 PM
Expires: Wed June 10, 2026, 10:00 AM

* WHAT...Visibility as low as one quarter mile or less in dense fog. * WHERE...Portions of Eastern Upper and Northern Lower Michigan. * WHEN...Until 11 AM EDT Wednesday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Wednesday, June 10, 2026

Weather Forecast

Patchy rain nearby
85.6°F
64.6°F
72.2°F
84%
0.17 in
77%
0%
10.7 mph
9.3


Air Quality

AQI: 1 - Good
PM2.5: 4.49 μg/m3
PM10: 4.7 μg/m3
Carbon Monoxide: 134.54 μg/m3
Nitrogen Dioxide: 1.42 μg/m3
Sulphur Dioxide: 0.47 μg/m3
Ozone: 86.25 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:37 PM
Sunset: 9:22 PM
Daylight: 15 hrs 30 mins
Moonrise: 2:34 AM
Moon Transit: 9:16 AM
Moonset: 4:16 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.1%

Best Times for Fishing or Hunting

Major Periods

8:46 AM - 11:16 AM
12:00 AM - 12:00 AM

Minor Periods

3:46 PM - 5:16 PM
2:04 AM - 3:34 AM

Action Rating: 2 out of 5

Thursday, June 11, 2026

Weather Forecast

Patchy rain nearby
88.3°F
67.8°F
76.1°F
67%
0.03 in
36%
0%
13 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 2.93 μg/m3
PM10: 3.54 μg/m3
Carbon Monoxide: 121.38 μg/m3
Nitrogen Dioxide: 1.78 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 79.79 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:37 PM
Sunset: 9:23 PM
Daylight: 15 hrs 31 mins
Moonrise: 2:56 AM
Moon Transit: 10:07 AM
Moonset: 5:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:37 AM - 12:07 AM

Minor Periods

5:05 PM - 6:35 PM
2:26 AM - 3:56 AM

Action Rating: 2 out of 5

Friday, June 12, 2026

Weather Forecast

Moderate rain
76.4°F
57.6°F
67.3°F
68%
0.61 in
70%
0%
16.8 mph
7.7


Air Quality

AQI: 1 - Good
PM2.5: 2.29 μg/m3
PM10: 2.68 μg/m3
Carbon Monoxide: 114.75 μg/m3
Nitrogen Dioxide: 1.07 μg/m3
Sulphur Dioxide: 0.21 μg/m3
Ozone: 84.29 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:37 PM
Sunset: 9:23 PM
Daylight: 15 hrs 31 mins
Moonrise: 3:23 AM
Moon Transit: 11:03 AM
Moonset: 6:59 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

6:29 PM - 7:59 PM
2:53 AM - 4:23 AM

Action Rating: 2 out of 5

Saturday, June 13, 2026

Weather Forecast

Patchy rain nearby
69.5°F
51.8°F
60.3°F
76%
0.07 in
57%
0%
15.2 mph
6.1


Air Quality

AQI: 1 - Good
PM2.5: 1.96 μg/m3
PM10: 2.1 μg/m3
Carbon Monoxide: 116.68 μg/m3
Nitrogen Dioxide: 1.08 μg/m3
Sulphur Dioxide: 0.32 μg/m3
Ozone: 81.75 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:38 PM
Sunset: 9:24 PM
Daylight: 15 hrs 32 mins
Moonrise: 3:59 AM
Moon Transit: 12:04 AM
Moonset: 8:23 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:34 AM - 2:04 PM

Minor Periods

7:53 PM - 9:23 PM
3:29 AM - 4:59 AM

Action Rating: 3 out of 5

Sunday, June 14, 2026

Weather Forecast

Patchy rain nearby
70.8°F
45.7°F
55.2°F
63%
0.09 in
57%
0%
12.5 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 1.27 μg/m3
PM10: 1.37 μg/m3
Carbon Monoxide: 127.22 μg/m3
Nitrogen Dioxide: 1.16 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 76.56 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:38 PM
Sunset: 9:24 PM
Daylight: 15 hrs 32 mins
Moonrise: 4:48 AM
Moon Transit: 1:10 PM
Moonset: 9:39 PM
Moon Phase: New
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

12:53 AM - 3:23 AM
12:40 AM - 3:10 PM

Minor Periods

9:09 PM - 10:39 PM
4:18 AM - 5:48 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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