Water Temperature of the South Branch Au Sable River in Grayling, MI
Current Water Temperature
Measurement Time: Monday, July 27, 2026, 2:30 PM EDT
Temperature Locations
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Local Points of Interest
Au Sable State Forest-Grayling Unit; Luzerne, MIStation 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

Five Day Weather Forecast

Mon
H: 86°F
L: 66°F

Tue
H: 78°F
L: 63°F

Wed
H: 80°F
L: 55°F

Thu
H: 85°F
L: 56°F

Fri
H: 82°F
L: 60°F
Air Quality
Nitrogen Dioxide: 1.5 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 78 μg/m3
Astronomical
Sun Transit: 1:44 PM
Sunset: 9:09 PM
Daylight: 14 hrs 50 mins
Moon Transit: 12:00 AM
Moonset: 3:56 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:31 AM - 3:01 PM
Minor Periods
7:57 PM - 9:27 PM3:26 AM - 4:56 AM
Action Rating: 3 out of 5
Flood Advisory issued July 27 at 7:01PM EDT until July 27 at 10:00PM EDT by NWS Gaylord MI
Effective: Mon July 27, 2026, 7:01 PM
Expires: Mon July 27, 2026, 10:00 PM
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northern Michigan, including the following county, Oscoda. * WHEN...Until 1000 PM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Overflowing poor drainage areas. * ADDITIONAL DETAILS... - At 701 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2.5 inches of rain have fallen. - Additional rainfall amounts up to 0.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Comins and Fairview. - http://www.weather.gov/safety/flood
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Flood Advisory issued July 27 at 7:21PM EDT until July 27 at 10:30PM EDT by NWS Gaylord MI
Effective: Mon July 27, 2026, 7:21 PM
Expires: Mon July 27, 2026, 10:30 PM
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northern Michigan, including the following counties, Alcona, Alpena and Montmorency. * WHEN...Until 1030 PM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. Overflowing poor drainage areas. * ADDITIONAL DETAILS... - At 721 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts of 0.5 to 1.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Alpena, Ossineke, Lachine, The Town Of Hubbard Lake, Long Rapids, Hillman, Spratt, Ossineke Township, Fletcher Pond, Hubbard Lake, Royston, Spruce, Lost Lake Woods, Negwegon State Park, Black River, Canada Creek Ranch, Devils Lake and Clear Lake State Park. - http://www.weather.gov/safety/flood
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.13 μg/m3
Sulphur Dioxide: 0.44 μg/m3
Ozone: 82.92 μg/m3
Astronomical
Sun Transit: 1:44 PM
Sunset: 9:09 PM
Daylight: 14 hrs 50 mins
Moon Transit: 12:00 AM
Moonset: 3:56 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:31 AM - 3:01 PM
Minor Periods
7:57 PM - 9:27 PM3:26 AM - 4:56 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.04 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 69.46 μg/m3
Astronomical
Sun Transit: 1:44 PM
Sunset: 9:08 PM
Daylight: 14 hrs 48 mins
Moon Transit: 12:40 AM
Moonset: 4:59 AM
Moon Phase: Full
Moon Illumination: 99.7%
Best Times for Fishing or Hunting
Major Periods
12:10 AM - 2:40 AM1:20 PM - 3:50 PM
Minor Periods
8:30 PM - 10:00 PM4:29 AM - 5:59 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.32 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 57.04 μg/m3
Astronomical
Sun Transit: 1:44 PM
Sunset: 9:07 PM
Daylight: 14 hrs 45 mins
Moon Transit: 1:29 AM
Moonset: 6:06 AM
Moon Phase: Full
Moon Illumination: 99.7%
Best Times for Fishing or Hunting
Major Periods
12:59 AM - 3:29 AM2:08 PM - 4:38 PM
Minor Periods
8:56 PM - 10:26 PM5:36 AM - 7:06 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.25 μg/m3
Sulphur Dioxide: 0.29 μg/m3
Ozone: 67.71 μg/m3
Astronomical
Sun Transit: 1:44 PM
Sunset: 9:06 PM
Daylight: 14 hrs 43 mins
Moon Transit: 2:15 AM
Moonset: 7:14 AM
Moon Phase: Full
Moon Illumination: 97.1%
Best Times for Fishing or Hunting
Major Periods
1:45 AM - 4:15 AM2:53 PM - 5:23 PM
Minor Periods
9:18 PM - 10:48 PM6:44 AM - 8:14 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.27 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 45.11 μg/m3
Astronomical
Sun Transit: 1:44 PM
Sunset: 9:04 PM
Daylight: 14 hrs 41 mins
Moon Transit: 3:00 AM
Moonset: 8:23 AM
Moon Phase: Full
Moon Illumination: 92.0%
Best Times for Fishing or Hunting
Major Periods
2:30 AM - 5:00 AM3:37 PM - 6:07 PM
Minor Periods
9:37 PM - 11:07 PM7:53 AM - 9:23 AM
Action Rating: 3 out of 5
