Water Temperature of the Thunder Bay River in Alpena, MI
Current Water Temperature
Measurement Time: Wednesday, October 8, 2025, 6:24 AM EDT
Temperature Locations
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Local Points of Interest
North River Front Park; South River Front Park; Thunder Bay; Lake HuronSponsored Content
Station Name: Alpena
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 577 feet / 176 meters
Sensor Depth: -15.1 feet / -4.6 meters
Nearest Address:
160 E Fletcher St
Alpena, MI 49707
Alpena County
GPS Coordinates: 45.063000, -83.428600
Nearby Water Temperatures
Lake Huron, Alpena, MI (9.3 mi)Lake Huron, Alpena, MI (34.9 mi)
Au Sable River, Curran, MI (37.0 mi)
Au Sable River, Glennie, MI (39.2 mi)
Au Sable River, Oscoda, MI (41.4 mi)
Au Sable River, Oscoda, MI (43.3 mi)
Au Sable River, Glennie, MI (43.8 mi)
Au Sable River, South Branch, MI (43.8 mi)
Au Sable River, Mio, MI (44.3 mi)
Au Sable River, Luzerne, MI (50.0 mi)
North Branch Au Sable River, Grayling, MI (54.1 mi)
South Branch Au Sable River, Grayling, MI (59.1 mi)
Lake Huron, Bois Blanc Island, MI (59.9 mi)
Lake Huron, De Tour Village, MI (68.1 mi)
Lake Huron, Port Austin, MI (73.3 mi)
Weather for Alpena, Michigan
Current Weather

Humidity: 66%
Feels Like: 42.3°F
Wind: NNW 8.7 mph
Wind Gusts: 15.2 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Wed
H: 56°F
L: 49°F

Thu
H: 59°F
L: 47°F

Fri
H: 60°F
L: 47°F

Sat
H: 56°F
L: 50°F

Sun
H: 61°F
L: 54°F
Air Quality
Nitrogen Dioxide: 1.25 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 67 μg/m3
Astronomical
Sun Transit: 1:21 PM
Sunset: 7:01 PM
Daylight: 11 hrs 20 mins
Moon Transit: 2:14 AM
Moonset: 9:40 AM
Moon Phase: Full
Moon Illumination: 95.8%
Best Times for Fishing or Hunting
Major Periods
1:44 AM - 4:14 AM3:06 PM - 5:36 PM
Minor Periods
7:02 PM - 8:32 PM9:10 AM - 10:40 AM
Action Rating: 4 out of 5
Frost Advisory issued October 7 at 11:11PM EDT until October 8 at 8:00AM EDT by NWS Gaylord MI
Effective: Tue October 7, 2025, 11:11 PM
Expires: Wed October 8, 2025, 8:00 AM
* WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...A portion of Northern Lower Michigan. * WHEN...Until 8 AM EDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.
Weather Forecast
Average Temperature: 51.9°F
Average Humidity: 62%
Wind: 13.9 mph
UV Index: 0.8
Air Quality
Nitrogen Dioxide: 1.38 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 72.08 μg/m3
Astronomical
Sun Transit: 1:21 PM
Sunset: 7:01 PM
Daylight: 11 hrs 20 mins
Moon Transit: 2:14 AM
Moonset: 9:40 AM
Moon Phase: Full
Moon Illumination: 95.8%
Best Times for Fishing or Hunting
Major Periods
1:44 AM - 4:14 AM3:06 PM - 5:36 PM
Minor Periods
7:02 PM - 8:32 PM9:10 AM - 10:40 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 51.2°F
Average Humidity: 60%
Wind: 12.5 mph
UV Index: 0.8
Air Quality
Nitrogen Dioxide: 1.86 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 77.4 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 6:59 PM
Daylight: 11 hrs 17 mins
Moon Transit: 3:10 AM
Moonset: 11:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 90.1%
Best Times for Fishing or Hunting
Major Periods
2:40 AM - 5:10 AM4:05 PM - 6:35 PM
Minor Periods
7:35 PM - 9:05 PM10:37 AM - 12:07 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 53.5°F
Average Humidity: 70%
Wind: 15.7 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 3.35 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 78.16 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 6:57 PM
Daylight: 11 hrs 14 mins
Moon Transit: 4:11 AM
Moonset: 12:31 AM
Moon Phase: Waning Gibbous
Moon Illumination: 82.3%
Best Times for Fishing or Hunting
Major Periods
3:41 AM - 6:11 AM5:07 PM - 7:37 PM
Minor Periods
8:19 PM - 9:49 PM12:01 AM - 1:31 PM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 53.7°F
Average Humidity: 83%
Wind: 14.8 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 2.99 μg/m3
Sulphur Dioxide: 1.82 μg/m3
Ozone: 91 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 6:55 PM
Daylight: 11 hrs 11 mins
Moon Transit: 5:14 AM
Moonset: 1:47 PM
Moon Phase: Waning Gibbous
Moon Illumination: 72.9%
Best Times for Fishing or Hunting
Major Periods
4:44 AM - 7:14 AM6:11 PM - 8:41 PM
Minor Periods
9:16 PM - 10:46 PM1:17 PM - 2:47 PM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 56.4°F
Average Humidity: 83%
Wind: 12.1 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 6:54 PM
Daylight: 11 hrs 8 mins
Moon Transit: 6:18 AM
Moonset: 2:49 PM
Moon Phase: Waning Gibbous
Moon Illumination: 62.3%
Best Times for Fishing or Hunting
Major Periods
5:48 AM - 8:18 AM7:14 PM - 9:44 PM
Minor Periods
10:24 PM - 11:54 PM2:19 PM - 3:49 PM
Action Rating: 3 out of 5