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

5.5°F
Light snow
Light snow
-4.3°F
-0°F
79%
NNW 5.1 mph
8.8 mph
-11.4°F
-5.5°F
0 in
100%
3 mi
1022 mbar
0

Five Day Weather Forecast

Light freezing rain
Thu
H: 9°F
L: -1°F
Light freezing rain
Fri
H: 12°F
L: 4°F
Cloudy
Sat
H: 24°F
L: 11°F
Partly Cloudy
Sun
H: 24°F
L: 3°F
Moderate snow
Mon
H: 27°F
L: 11°F

Air Quality

AQI: 1 - Good
PM2.5: 1.03 μg/m3
PM10: 1.13 μg/m3
Carbon Monoxide: 161.83 μg/m3
Nitrogen Dioxide: 1.13 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 8:22 AM
Sun Transit: 1:06 PM
Sunset: 5:52 PM
Daylight: 9 hrs 30 mins
Moonrise: 1:47 PM
Moon Transit: 10:29 PM
Moonset: 6:07 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

9:40 AM - 12:10 AM
12:00 AM - 12:00 AM

Minor Periods

1:17 PM - 2:47 PM
5:37 AM - 7:07 AM

Action Rating: 2 out of 5

Winter Weather Advisory issued January 28 at 2:03PM EST until January 29 at 7:00AM EST by NWS Marquette MI

Effective: Wed January 28, 2026, 2:03 PM
Expires: Thu January 29, 2026, 4:15 AM

* WHAT...Moderate lake effect snowfall and blowing snow. Additional snow accumulations 1 to 3 inches. * WHERE...Baraga, Keweenaw, Northern Houghton, Ontonagon, and Southern Houghton Counties. * WHEN...Until 7 AM EST Thursday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow will have sharply reduced visibilities. The hazardous conditions will impact the Wednesday evening and Thursday morning commutes.

Slow down and use caution while traveling.


Winter Weather Advisory issued January 28 at 9:23PM EST until January 29 at 7:00AM EST by NWS Marquette MI

Effective: Wed January 28, 2026, 9:23 PM
Expires: Thu January 29, 2026, 4:00 AM

* WHAT...Moderate lake effect snowfall and blowing snow. Additional snow accumulations 1 to 3 inches. * WHERE...Baraga, Keweenaw, Northern Houghton, Ontonagon, and Southern Houghton Counties. * WHEN...Until 7 AM EST Thursday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow will have sharply reduced visibilities. The hazardous conditions will impact the Thursday morning commute.

Slow down and use caution while traveling.


Winter Weather Advisory issued January 29 at 1:56AM EST until January 29 at 7:00PM EST by NWS Marquette MI

Effective: Thu January 29, 2026, 1:56 AM
Expires: Thu January 29, 2026, 10:00 AM

* WHAT...Moderate lake effect snowfall rates and patchy blowing snow expected. Total snow accumulations up to 4 inches. * WHERE...Keweenaw, Northern Houghton, and Ontonagon Counties. * WHEN...Until 7 PM EST this evening. * IMPACTS...Plan on slippery road conditions. Patches of blowing snow will significantly reduce visibilities, especially near the lakeshore. The hazardous conditions will impact the Thursday morning and evening commutes.

Slow down and use caution while traveling.
Thursday, January 29, 2026

Weather Forecast

Light freezing rain
9.1°F
-1.3°F
4.1°F
73%
0.04 in
74%
45%
8.9 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.15 μg/m3
PM10: 1.23 μg/m3
Carbon Monoxide: 159.27 μg/m3
Nitrogen Dioxide: 1.26 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 73.96 μg/m3

Astronomical

Sunrise: 8:22 AM
Sun Transit: 1:06 PM
Sunset: 5:52 PM
Daylight: 9 hrs 30 mins
Moonrise: 1:47 PM
Moon Transit: 10:29 PM
Moonset: 6:07 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

9:40 AM - 12:10 AM
12:00 AM - 12:00 AM

Minor Periods

1:17 PM - 2:47 PM
5:37 AM - 7:07 AM

Action Rating: 2 out of 5

Friday, January 30, 2026

Weather Forecast

Light freezing rain
11.8°F
3.7°F
8.6°F
81%
0.01 in
65%
3%
14.1 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.53 μg/m3
PM10: 1.63 μg/m3
Carbon Monoxide: 154.39 μg/m3
Nitrogen Dioxide: 1.19 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 73.44 μg/m3

Astronomical

Sunrise: 8:21 AM
Sun Transit: 1:06 PM
Sunset: 5:54 PM
Daylight: 9 hrs 33 mins
Moonrise: 3:00 PM
Moon Transit: 11:33 PM
Moonset: 7:08 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

10:45 AM - 1:15 PM
12:00 AM - 12:00 AM

Minor Periods

2:30 PM - 4:00 PM
6:38 AM - 8:08 AM

Action Rating: 3 out of 5

Saturday, January 31, 2026

Weather Forecast

Cloudy
23.9°F
10.5°F
16.8°F
83%
0 in
0%
0%
13.2 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 1.51 μg/m3
PM10: 1.56 μg/m3
Carbon Monoxide: 161.43 μg/m3
Nitrogen Dioxide: 1.88 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 73.88 μg/m3

Astronomical

Sunrise: 8:20 AM
Sun Transit: 1:07 PM
Sunset: 5:55 PM
Daylight: 9 hrs 35 mins
Moonrise: 4:22 PM
Moon Transit: 12:00 AM
Moonset: 7:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:46 AM - 2:16 PM

Minor Periods

3:52 PM - 5:22 PM
7:23 AM - 8:53 AM

Action Rating: 2 out of 5

Sunday, February 1, 2026

Weather Forecast

Partly Cloudy
24.1°F
2.7°F
12.8°F
93%
0 in
0%
23%
10.7 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 2.48 μg/m3
PM10: 2.59 μg/m3
Carbon Monoxide: 172.31 μg/m3
Nitrogen Dioxide: 3.64 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 77.6 μg/m3

Astronomical

Sunrise: 8:18 AM
Sun Transit: 1:07 PM
Sunset: 5:57 PM
Daylight: 9 hrs 38 mins
Moonrise: 5:46 PM
Moon Transit: 12:32 AM
Moonset: 8:27 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:02 AM - 2:32 AM
12:44 AM - 3:14 PM

Minor Periods

5:16 PM - 6:46 PM
7:57 AM - 9:27 AM

Action Rating: 4 out of 5

Monday, February 2, 2026

Weather Forecast

Moderate snow
26.6°F
10.6°F
21.5°F
92%
0.08 in
86%
56%
11.9 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.13 μg/m3
PM10: 3.2 μg/m3
Carbon Monoxide: 181.16 μg/m3
Nitrogen Dioxide: 3.74 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 72.31 μg/m3

Astronomical

Sunrise: 8:17 AM
Sun Transit: 1:07 PM
Sunset: 5:58 PM
Daylight: 9 hrs 41 mins
Moonrise: 7:07 PM
Moon Transit: 1:27 AM
Moonset: 8:52 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

12:57 AM - 3:27 AM
1:36 PM - 4:06 PM

Minor Periods

6:37 PM - 8:07 PM
8:22 AM - 9:52 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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