Water Temperature of the Thunder Bay River in Alpena, MI

Current Water Temperature

48.2°F

Measurement Time: Wednesday, April 29, 2026, 3:00 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

50.2°F
Sunny
Sunny
46.1°F
47.2°F
48%
N 10.3 mph
12.9 mph
40.9°F
34.6°F
0 in
0%
9 mi
1013 mbar
4.1

Five Day Weather Forecast

Sunny
Wed
H: 49°F
L: 41°F
Patchy rain nearby
Thu
H: 44°F
L: 31°F
Patchy rain nearby
Fri
H: 42°F
L: 32°F
Patchy rain nearby
Sat
H: 44°F
L: 30°F
Patchy rain nearby
Sun
H: 55°F
L: 31°F

Air Quality

AQI: 1 - Good
PM2.5: 2.75 μg/m3
PM10: 3.25 μg/m3
Carbon Monoxide: 153.85 μg/m3
Nitrogen Dioxide: 1.65 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 87 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:31 PM
Sunset: 8:37 PM
Daylight: 14 hrs 11 mins
Moonrise: 6:55 PM
Moon Transit: 12:00 AM
Moonset: 5:14 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:21 AM - 2:51 PM

Minor Periods

6:25 PM - 7:55 PM
4:44 AM - 6:14 AM

Action Rating: 3 out of 5

Frost Advisory issued April 29 at 1:39PM EDT until April 30 at 9:00AM EDT by NWS Gaylord MI

Effective: Wed April 29, 2026, 1:39 PM
Expires: Thu April 30, 2026, 9:00 AM

* WHAT...Temperatures will fall into the lower to middle 30s. * WHERE...Alcona, Alpena, Grand Traverse, and Ogemaw Counties. The coldest temperatures will be over interior areas, with areas along the coasts likely remaining several degrees warmer. * WHEN...From 2 AM to 9 AM EDT Thursday. * IMPACTS...Frost may harm sensitive outdoor vegetation.

Take steps now to protect tender plants from the cold. If possible, cover sensitive plants or bring them indoors.


Freeze Warning issued April 29 at 1:39PM EDT until April 30 at 9:00AM EDT by NWS Gaylord MI

Effective: Wed April 29, 2026, 1:39 PM
Expires: Thu April 30, 2026, 9:00 AM

* WHAT...Temperatures will fall into the upper 20s and lower 30s. * WHERE...A portion of Northern Lower Michigan. The coldest temperatures will be over interior areas, with areas along the coasts likely remaining several degrees warmer. * WHEN...From 2 AM to 9 AM EDT Thursday. * IMPACTS...Freeze conditions may damage crops and sensitive vegetation.

Take steps now to protect tender plants from the cold. If possible, cover sensitive plants or bring them indoors.
Wednesday, April 29, 2026

Weather Forecast

Sunny
48.9°F
40.5°F
44.9°F
67%
0 in
0%
0%
13.2 mph
4.6


Air Quality

AQI: 1 - Good
PM2.5: 1.84 μg/m3
PM10: 1.98 μg/m3
Carbon Monoxide: 154.61 μg/m3
Nitrogen Dioxide: 1.84 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 84.64 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:31 PM
Sunset: 8:37 PM
Daylight: 14 hrs 11 mins
Moonrise: 6:55 PM
Moon Transit: 12:00 AM
Moonset: 5:14 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:21 AM - 2:51 PM

Minor Periods

6:25 PM - 7:55 PM
4:44 AM - 6:14 AM

Action Rating: 3 out of 5

Thursday, April 30, 2026

Weather Forecast

Patchy rain nearby
43.8°F
31°F
38°F
72%
0.04 in
87%
0%
13 mph
4.7


Air Quality

AQI: 1 - Good
PM2.5: 1.99 μg/m3
PM10: 2.14 μg/m3
Carbon Monoxide: 148.01 μg/m3
Nitrogen Dioxide: 1.65 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 76.4 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:30 PM
Sunset: 8:39 PM
Daylight: 14 hrs 14 mins
Moonrise: 8:02 PM
Moon Transit: 12:18 AM
Moonset: 5:32 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:04 PM - 3:34 PM

Minor Periods

7:32 PM - 9:02 PM
5:02 AM - 6:32 AM

Action Rating: 5 out of 5

Friday, May 1, 2026

Weather Forecast

Patchy rain nearby
42.3°F
31.9°F
36.7°F
68%
0.02 in
88%
0%
10.3 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 2 μg/m3
PM10: 2.28 μg/m3
Carbon Monoxide: 145.85 μg/m3
Nitrogen Dioxide: 1.41 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 81.96 μg/m3

Astronomical

Sunrise: 6:23 AM
Sun Transit: 1:30 PM
Sunset: 8:40 PM
Daylight: 14 hrs 17 mins
Moonrise: 9:10 PM
Moon Transit: 1:02 AM
Moonset: 5:53 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:32 AM - 3:02 AM
1:48 PM - 4:18 PM

Minor Periods

8:40 PM - 10:10 PM
5:23 AM - 6:53 AM

Action Rating: 4 out of 5

Saturday, May 2, 2026

Weather Forecast

Patchy rain nearby
44.1°F
30°F
36.8°F
72%
0.02 in
88%
16%
9.6 mph
4.3


Air Quality

AQI: 1 - Good
PM2.5: 3.95 μg/m3
PM10: 5.66 μg/m3
Carbon Monoxide: 141.84 μg/m3
Nitrogen Dioxide: 1.6 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 87.88 μg/m3

Astronomical

Sunrise: 6:22 AM
Sun Transit: 1:30 PM
Sunset: 8:41 PM
Daylight: 14 hrs 20 mins
Moonrise: 10:17 PM
Moon Transit: 1:47 AM
Moonset: 6:18 AM
Moon Phase: Full
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

1:17 AM - 3:47 AM
2:35 PM - 5:05 PM

Minor Periods

9:47 PM - 11:17 PM
5:48 AM - 7:18 AM

Action Rating: 3 out of 5

Sunday, May 3, 2026

Weather Forecast

Patchy rain nearby
55.3°F
31.2°F
43.7°F
65%
0.01 in
89%
0%
16.6 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 5.8 μg/m3
PM10: 7.98 μg/m3
Carbon Monoxide: 148.62 μg/m3
Nitrogen Dioxide: 2.63 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 78.31 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 1:30 PM
Sunset: 8:42 PM
Daylight: 14 hrs 22 mins
Moonrise: 11:21 PM
Moon Transit: 2:35 AM
Moonset: 6:49 AM
Moon Phase: Full
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

2:05 AM - 4:35 AM
3:24 PM - 5:54 PM

Minor Periods

12:00 AM - 12:00 AM
6:19 AM - 7:49 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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