Water Temperature of the Thunder Bay River in Alpena, MI

Current Water Temperature

65.1°F

Measurement Time: Tuesday, July 28, 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

75.6°F
Cloudy
Cloudy
78.2°F
76.3°F
57%
N 12.1 mph
15.7 mph
71.8°F
57.8°F
0 in
75%
10 mi
989 mbar
6.6

Five Day Weather Forecast

Sunny
Tue
H: 73°F
L: 67°F
Sunny
Wed
H: 75°F
L: 58°F
Sunny
Thu
H: 75°F
L: 60°F
Sunny
Fri
H: 77°F
L: 63°F
Fog
Sat
H: 67°F
L: 62°F

Air Quality

AQI: 1 - Good
PM2.5: 7.2 μg/m3
PM10: 7.4 μg/m3
Carbon Monoxide: 119 μg/m3
Nitrogen Dioxide: 0.4 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 69 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:40 PM
Sunset: 9:05 PM
Daylight: 14 hrs 50 mins
Moonrise: 8:57 PM
Moon Transit: 12:36 AM
Moonset: 4:53 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:06 AM - 2:36 AM
1:25 PM - 3:55 PM

Minor Periods

8:27 PM - 9:57 PM
4:23 AM - 5:53 AM

Action Rating: 4 out of 5

Beach Hazards Statement issued July 28 at 10:52AM EDT until July 28 at 8:00PM EDT by NWS Gaylord MI

Effective: Tue July 28, 2026, 10:52 AM
Expires: Tue July 28, 2026, 7:00 PM

* WHAT...Dangerous swimming conditions due to 3-5 ft waves and rip currents. * WHERE...Alcona and Iosco Counties. * WHEN...From 6 AM EDT this morning through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers.

Remain out of the water to avoid hazardous swimming conditions.


Small Craft Advisory issued July 28 at 10:48AM EDT until July 28 at 11:00PM EDT by NWS Gaylord MI

Effective: Tue July 28, 2026, 10:48 AM
Expires: Tue July 28, 2026, 7:00 PM

* WHAT...Highest gusts up to 25 kts from the north and highest waves around 4 feet. * WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI. * WHEN...Until 11 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Tuesday, July 28, 2026

Weather Forecast

Sunny
73.4°F
67.1°F
69.5°F
77%
0.02 in
36%
0%
14.3 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 5.13 μg/m3
PM10: 5.28 μg/m3
Carbon Monoxide: 124.83 μg/m3
Nitrogen Dioxide: 1.02 μg/m3
Sulphur Dioxide: 0.34 μg/m3
Ozone: 72.08 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:40 PM
Sunset: 9:05 PM
Daylight: 14 hrs 50 mins
Moonrise: 8:57 PM
Moon Transit: 12:36 AM
Moonset: 4:53 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:06 AM - 2:36 AM
1:25 PM - 3:55 PM

Minor Periods

8:27 PM - 9:57 PM
4:23 AM - 5:53 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Sunny
75.2°F
57.9°F
66.5°F
66%
0 in
5%
0%
11 mph
7.5


Air Quality

AQI: 1 - Good
PM2.5: 3.78 μg/m3
PM10: 4.01 μg/m3
Carbon Monoxide: 105.67 μg/m3
Nitrogen Dioxide: 0.83 μg/m3
Sulphur Dioxide: 0.25 μg/m3
Ozone: 65.29 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 1:40 PM
Sunset: 9:04 PM
Daylight: 14 hrs 48 mins
Moonrise: 9:23 PM
Moon Transit: 1:24 AM
Moonset: 6:00 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:54 AM - 3:24 AM
2:12 PM - 4:42 PM

Minor Periods

8:53 PM - 10:23 PM
5:30 AM - 7:00 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Sunny
74.9°F
60.1°F
67.1°F
66%
0 in
5%
0%
8.7 mph
7.8


Air Quality

AQI: 1 - Good
PM2.5: 3.41 μg/m3
PM10: 3.61 μg/m3
Carbon Monoxide: 113.67 μg/m3
Nitrogen Dioxide: 1.4 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 63.13 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 1:40 PM
Sunset: 9:03 PM
Daylight: 14 hrs 46 mins
Moonrise: 9:45 PM
Moon Transit: 2:11 AM
Moonset: 7:09 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:41 AM - 4:11 AM
2:58 PM - 5:28 PM

Minor Periods

9:15 PM - 10:45 PM
6:39 AM - 8:09 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Sunny
77.3°F
63.3°F
67.5°F
79%
0.87 in
77%
0%
8.1 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 5.9 μg/m3
PM10: 6.17 μg/m3
Carbon Monoxide: 130.13 μg/m3
Nitrogen Dioxide: 2.48 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 74.46 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 1:40 PM
Sunset: 9:02 PM
Daylight: 14 hrs 44 mins
Moonrise: 10:04 PM
Moon Transit: 2:56 AM
Moonset: 8:18 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

2:26 AM - 4:56 AM
3:41 PM - 6:11 PM

Minor Periods

9:34 PM - 11:04 PM
7:48 AM - 9:18 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Fog
66.6°F
62.3°F
64.8°F
98%
0.28 in
93%
0%
8.3 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 5.3 μg/m3
PM10: 5.51 μg/m3
Carbon Monoxide: 178 μg/m3
Nitrogen Dioxide: 2.49 μg/m3
Sulphur Dioxide: 0.52 μg/m3
Ozone: 65.44 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 1:40 PM
Sunset: 9:00 PM
Daylight: 14 hrs 41 mins
Moonrise: 10:22 PM
Moon Transit: 3:39 AM
Moonset: 9:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

3:09 AM - 5:39 AM
4:24 PM - 6:54 PM

Minor Periods

9:52 PM - 11:22 PM
8:56 AM - 10:26 AM

Action Rating: 2 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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