Water Temperature of Keweenaw Bay Near Jacobsville, MI

Current Water Temperature

54.3°F

Measurement Time: Wednesday, October 8, 2025, 7:20 AM EDT

Temperature Locations

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Local Points of Interest

Keweenaw Peninsula; Torch Lake Township, MI

Keweenaw Bay

Station Name: South Entry Buoy, South Keweenaw Peninsula, MI
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 587 feet

Nearest Address:
Offshore
Jacobsville, MI
Houghton County

GPS Coordinates: 46.969, -88.398

Nearby Water Temperatures

Pilgrim River, Houghton, MI (10.7 mi)
Falls River, L'Anse, MI (16.3 mi)
Sturgeon River, Pelkie, MI (20.9 mi)
Lake Superior, Calumet, MI (23 mi)
Salmon Trout River, Champion, MI (27.8 mi)
East Branch Salmon Trout River, Powell, MI (28.7 mi)
Middle Branch Escanaba River, , MI (40.5 mi)
Middle Branch Escanaba River, Humboldt, MI (41.4 mi)
Lake Superior, Marquette, MI (56.4 mi)
West Branch Ontonagon River, Bergland, MI (60.4 mi)
Lake Superior, Lake Superior, MI (70.3 mi)
Presque Isle River, Tula, MI (71.5 mi)
Washington Creek, Windigo, MI (74.5 mi)
Lake Superior, Isle Royale, MI (79.9 mi)
Popple River, Fence, WI (83.3 mi)

Weather Near Jacobsville, Michigan

Current Weather

23.2°F
Light snow
Light snow
12.1°F
21.3°F
81%
SSE 11.2 mph
15 mph
11.8°F
19.5°F
0.09 in
100%
1 mi
1007 mbar
0

Five Day Weather Forecast

Light freezing rain
Sun
H: 24°F
L: 14°F
Moderate or heavy snow showers
Mon
H: 30°F
L: 15°F
Mist
Tue
H: 32°F
L: 24°F
Overcast
Wed
H: 35°F
L: 30°F
Partly Cloudy
Thu
H: 35°F
L: 24°F

Air Quality

AQI: 1 - Good
PM2.5: 3.43 μg/m3
PM10: 3.63 μg/m3
Carbon Monoxide: 163.83 μg/m3
Nitrogen Dioxide: 4.03 μg/m3
Sulphur Dioxide: 1.63 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 8:39 AM
Sun Transit: 12:58 AM
Sunset: 5:18 PM
Daylight: 8 hrs 39 mins
Moonrise: 6:53 PM
Moon Transit: 1:52 AM
Moonset: 10:00 AM
Moon Phase: Full
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

1:22 AM - 3:52 AM
2:05 PM - 4:35 PM

Minor Periods

6:23 PM - 7:53 PM
9:30 AM - 11:00 AM

Action Rating: 3 out of 5

Winter Weather Advisory issued January 4 at 1:17PM EST until January 5 at 1:00AM EST by NWS Marquette MI

Effective: Sun January 4, 2026, 1:17 PM
Expires: Mon January 5, 2026, 1:00 AM

* WHAT...Mixed precipitation expected. Total snow accumulations between 4 and 6 inches and ice accumulations around a light glaze. * WHERE...Portions of central Upper and western Upper Michigan. * WHEN...Until 1 AM EST /midnight CST/ Monday. * IMPACTS...Travel could be very difficult. Snowfall rates of 1 to 2 inches per hour could reduce visibilities down to one quarter mile or less.

Slow down and use caution while traveling.
Sunday, January 4, 2026

Weather Forecast

Light freezing rain
24.1°F
13.8°F
18.9°F
83%
0.4 in
88%
56%
11.4 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.45 μg/m3
PM10: 1.49 μg/m3
Carbon Monoxide: 159.19 μg/m3
Nitrogen Dioxide: 1.75 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 78.32 μg/m3

Astronomical

Sunrise: 8:39 AM
Sun Transit: 12:58 AM
Sunset: 5:18 PM
Daylight: 8 hrs 39 mins
Moonrise: 6:53 PM
Moon Transit: 1:52 AM
Moonset: 10:00 AM
Moon Phase: Full
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

1:22 AM - 3:52 AM
2:05 PM - 4:35 PM

Minor Periods

6:23 PM - 7:53 PM
9:30 AM - 11:00 AM

Action Rating: 3 out of 5

Monday, January 5, 2026

Weather Forecast

Moderate or heavy snow showers
29.7°F
15.1°F
23.7°F
87%
0.14 in
79%
18%
10.3 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 4.36 μg/m3
PM10: 4.49 μg/m3
Carbon Monoxide: 188.27 μg/m3
Nitrogen Dioxide: 5.51 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 68.08 μg/m3

Astronomical

Sunrise: 8:39 AM
Sun Transit: 1:00 PM
Sunset: 5:19 PM
Daylight: 8 hrs 40 mins
Moonrise: 8:16 PM
Moon Transit: 2:49 AM
Moonset: 10:29 AM
Moon Phase: Full
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

2:19 AM - 4:49 AM
2:59 PM - 5:29 PM

Minor Periods

7:46 PM - 9:16 PM
9:59 AM - 11:29 AM

Action Rating: 4 out of 5

Tuesday, January 6, 2026

Weather Forecast

Mist
32.3°F
24.4°F
28°F
94%
0 in
0%
0%
10.3 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 9.52 μg/m3
PM10: 9.64 μg/m3
Carbon Monoxide: 246.27 μg/m3
Nitrogen Dioxide: 10.29 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 44.28 μg/m3

Astronomical

Sunrise: 8:39 AM
Sun Transit: 1:00 PM
Sunset: 5:20 PM
Daylight: 8 hrs 41 mins
Moonrise: 9:34 PM
Moon Transit: 3:41 AM
Moonset: 10:51 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.1%

Best Times for Fishing or Hunting

Major Periods

3:11 AM - 5:41 AM
3:49 PM - 6:19 PM

Minor Periods

9:04 PM - 10:34 PM
10:21 AM - 11:51 AM

Action Rating: 2 out of 5

Wednesday, January 7, 2026

Weather Forecast

Overcast
34.5°F
29.5°F
31.5°F
87%
0 in
0%
0%
9.6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.17 μg/m3
PM10: 2.32 μg/m3
Carbon Monoxide: 207.39 μg/m3
Nitrogen Dioxide: 3.93 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 59.96 μg/m3

Astronomical

Sunrise: 8:39 AM
Sun Transit: 1:00 PM
Sunset: 5:22 PM
Daylight: 8 hrs 43 mins
Moonrise: 10:48 PM
Moon Transit: 4:29 AM
Moonset: 11:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

3:59 AM - 6:29 AM
4:34 PM - 7:04 PM

Minor Periods

10:18 PM - 11:48 PM
10:38 AM - 12:08 AM

Action Rating: 2 out of 5

Thursday, January 8, 2026

Weather Forecast

Partly Cloudy
35.4°F
24.4°F
30.3°F
87%
0 in
0%
0%
14.1 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 7.05 μg/m3
PM10: 7.4 μg/m3
Carbon Monoxide: 201.86 μg/m3
Nitrogen Dioxide: 5.33 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 64.31 μg/m3

Astronomical

Sunrise: 8:38 AM
Sun Transit: 1:00 PM
Sunset: 5:23 PM
Daylight: 8 hrs 44 mins
Moonrise: 11:58 PM
Moon Transit: 5:12 AM
Moonset: 11:24 AM
Moon Phase: Waning Gibbous
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

4:42 AM - 7:12 AM
5:17 PM - 7:47 PM

Minor Periods

12:00 AM - 12:00 AM
10:54 AM - 12:24 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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