Water Temperature of the Thunder Bay River in Alpena, MI

Current Water Temperature

47.8°F

Measurement Time: Wednesday, May 6, 2026, 3:42 PM EDT

Temperature Locations

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Local Points of Interest

North River Front Park; South River Front Park; Thunder Bay; Lake Huron

Thunder Bay River

Station Name: Alpena
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 577 feet

Sensor Depth: -15 feet

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 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 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

46.9°F
Overcast
Overcast
47°F
48.3°F
40%
E 2.2 mph
6.7 mph
42.7°F
20.3°F
0 in
100%
9 mi
1012 mbar
3.8

Five Day Weather Forecast

Sunny
Wed
H: 49°F
L: 37°F
Partly Cloudy
Thu
H: 46°F
L: 31°F
Patchy rain nearby
Fri
H: 50°F
L: 34°F
Moderate rain
Sat
H: 58°F
L: 39°F
Mist
Sun
H: 47°F
L: 36°F

Air Quality

AQI: 1 - Good
PM2.5: 1.65 μg/m3
PM10: 1.85 μg/m3
Carbon Monoxide: 137.85 μg/m3
Nitrogen Dioxide: 1.35 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 80 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 1:30 PM
Sunset: 8:46 PM
Daylight: 14 hrs 30 mins
Moonrise: 1:08 AM
Moon Transit: 5:08 AM
Moonset: 9:10 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

4:38 AM - 7:08 AM
5:57 PM - 8:27 PM

Minor Periods

8:40 AM - 10:10 AM
12:38 AM - 2:08 AM

Action Rating: 3 out of 5

Freeze Warning issued May 6 at 1:04PM EDT until May 7 at 8:00AM EDT by NWS Gaylord MI

Effective: Wed May 6, 2026, 1:04 PM
Expires: Thu May 7, 2026, 1:15 AM

* WHAT...Sub-freezing temperatures as low as 27 expected. * WHERE...All of Northern Lower Michigan. * WHEN...From midnight tonight to 8 AM EDT Thursday. * IMPACTS...Frost and freeze conditions could kill crops and other sensitive vegetation.

Take steps now to protect tender plants from the cold.
Wednesday, May 6, 2026

Weather Forecast

Sunny
49.3°F
36.9°F
43.1°F
55%
0 in
0%
0%
7.8 mph
5.1


Air Quality

AQI: 1 - Good
PM2.5: 1.95 μg/m3
PM10: 2.3 μg/m3
Carbon Monoxide: 143.25 μg/m3
Nitrogen Dioxide: 1.61 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 78.92 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 1:30 PM
Sunset: 8:46 PM
Daylight: 14 hrs 30 mins
Moonrise: 1:08 AM
Moon Transit: 5:08 AM
Moonset: 9:10 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

4:38 AM - 7:08 AM
5:57 PM - 8:27 PM

Minor Periods

8:40 AM - 10:10 AM
12:38 AM - 2:08 AM

Action Rating: 3 out of 5

Thursday, May 7, 2026

Weather Forecast

Partly Cloudy
45.7°F
31°F
38.6°F
71%
0 in
0%
0%
7.4 mph
5.2


Air Quality

AQI: 1 - Good
PM2.5: 1.65 μg/m3
PM10: 1.75 μg/m3
Carbon Monoxide: 143.05 μg/m3
Nitrogen Dioxide: 1.77 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 71.08 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 1:30 PM
Sunset: 8:47 PM
Daylight: 14 hrs 33 mins
Moonrise: 1:49 AM
Moon Transit: 5:58 AM
Moonset: 10:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

5:28 AM - 7:58 AM
6:47 PM - 9:17 PM

Minor Periods

9:43 AM - 11:13 AM
1:19 AM - 2:49 AM

Action Rating: 3 out of 5

Friday, May 8, 2026

Weather Forecast

Patchy rain nearby
50.4°F
34.3°F
41.7°F
75%
0.04 in
87%
0%
9.4 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 5.75 μg/m3
PM10: 6.05 μg/m3
Carbon Monoxide: 151.77 μg/m3
Nitrogen Dioxide: 2.74 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 72.84 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:30 PM
Sunset: 8:48 PM
Daylight: 14 hrs 35 mins
Moonrise: 2:21 AM
Moon Transit: 6:47 AM
Moonset: 11:20 AM
Moon Phase: Last Quarter
Moon Illumination: 47.9%

Best Times for Fishing or Hunting

Major Periods

6:17 AM - 8:47 AM
7:34 PM - 10:04 PM

Minor Periods

10:50 AM - 12:20 AM
1:51 AM - 3:21 AM

Action Rating: 3 out of 5

Saturday, May 9, 2026

Weather Forecast

Moderate rain
57.5°F
38.9°F
46.1°F
80%
0.29 in
81%
0%
12.1 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 8.43 μg/m3
PM10: 8.91 μg/m3
Carbon Monoxide: 168.44 μg/m3
Nitrogen Dioxide: 2.37 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 83.2 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 1:30 PM
Sunset: 8:50 PM
Daylight: 14 hrs 38 mins
Moonrise: 2:48 AM
Moon Transit: 7:33 AM
Moonset: 12:29 AM
Moon Phase: Last Quarter
Moon Illumination: 36.7%

Best Times for Fishing or Hunting

Major Periods

7:03 AM - 9:33 AM
8:20 PM - 10:50 PM

Minor Periods

11:59 AM - 1:29 PM
2:18 AM - 3:48 AM

Action Rating: 3 out of 5

Sunday, May 10, 2026

Weather Forecast

Mist
47.3°F
36.2°F
42.1°F
79%
0 in
0%
0%
13.9 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 12.33 μg/m3
PM10: 12.93 μg/m3
Carbon Monoxide: 170.82 μg/m3
Nitrogen Dioxide: 3.67 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 76.92 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:30 PM
Sunset: 8:51 PM
Daylight: 14 hrs 40 mins
Moonrise: 3:10 AM
Moon Transit: 8:18 AM
Moonset: 1:38 PM
Moon Phase: Last Quarter
Moon Illumination: 26.2%

Best Times for Fishing or Hunting

Major Periods

7:48 AM - 10:18 AM
9:05 PM - 11:35 PM

Minor Periods

1:08 PM - 2:38 PM
2:40 AM - 4:10 AM

Action Rating: 3 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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