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

19.9°F
Overcast
Overcast
11.2°F
19.4°F
71%
S 6.7 mph
9.7 mph
10.3°F
15.8°F
0 in
100%
9 mi
994 mbar
0

Five Day Weather Forecast

Moderate or heavy snow showers
Fri
H: 27°F
L: 19°F
Moderate or heavy snow showers
Sat
H: 20°F
L: 14°F
Moderate snow
Sun
H: 12°F
L: 7°F
Blizzard
Mon
H: 6°F
L: 2°F
Moderate or heavy snow showers
Tue
H: 2°F
L: -2°F

Air Quality

PM2.5: 2.13 μg/m3
PM10: 2.33 μg/m3
Carbon Monoxide: 165.83 μg/m3
Nitrogen Dioxide: 3.53 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 62 μg/m3

Astronomical

Sunrise: 8:34 AM
Sun Transit: 1:03 PM
Sunset: 5:33 PM
Daylight: 8 hrs 59 mins
Moonrise: 7:33 AM
Moon Transit: 11:19 AM
Moonset: 3:07 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:49 AM - 1:19 PM

Minor Periods

2:37 PM - 4:07 PM
7:03 AM - 8:33 AM

Action Rating: 3 out of 5

Winter Storm Warning issued January 15 at 8:36PM EST until January 17 at 1:00PM EST by NWS Marquette MI

Effective: Thu January 15, 2026, 8:36 PM
Expires: Fri January 16, 2026, 4:45 AM

* WHAT...Heavy lake effect snow expected. Total snow accumulations between 8 and 15 inches, highest across the higher terrain west of a line from Ironwood to White Pine, and from Mass City to Painesdale. * WHERE...Gogebic, Northern Houghton, and Ontonagon Counties. * WHEN...From 7 AM EST /6 AM CST/ Friday to 1 PM EST /noon CST/ Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday morning and evening commutes.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency.


Winter Weather Advisory issued January 15 at 8:36PM EST until January 17 at 1:00PM EST by NWS Marquette MI

Effective: Thu January 15, 2026, 8:36 PM
Expires: Fri January 16, 2026, 4:45 AM

* WHAT...Lake effect snow expected. Total snow accumulations between 3 and 6 inches. Winds gusting as high as 35 mph. * WHERE...Keweenaw County. * WHEN...From 7 AM Friday to 1 PM EST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday morning and evening commutes.

Slow down and use caution while traveling.
Friday, January 16, 2026

Weather Forecast

Moderate or heavy snow showers
27.3°F
18.9°F
22.9°F
85%
0.06 in
68%
7%
14.8 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 1.9 μg/m3
PM10: 2.05 μg/m3
Carbon Monoxide: 159.51 μg/m3
Nitrogen Dioxide: 2.87 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 70.68 μg/m3

Astronomical

Sunrise: 8:34 AM
Sun Transit: 1:03 PM
Sunset: 5:33 PM
Daylight: 8 hrs 59 mins
Moonrise: 7:33 AM
Moon Transit: 11:19 AM
Moonset: 3:07 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:49 AM - 1:19 PM

Minor Periods

2:37 PM - 4:07 PM
7:03 AM - 8:33 AM

Action Rating: 3 out of 5

Saturday, January 17, 2026

Weather Forecast

Moderate or heavy snow showers
19.6°F
13.9°F
18.5°F
84%
0.1 in
64%
15%
16.6 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 0.95 μg/m3
PM10: 0.96 μg/m3
Carbon Monoxide: 147.67 μg/m3
Nitrogen Dioxide: 1.28 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 71.92 μg/m3

Astronomical

Sunrise: 8:34 AM
Sun Transit: 1:03 PM
Sunset: 5:34 PM
Daylight: 9 hrs 1 mins
Moonrise: 8:18 AM
Moon Transit: 12:12 AM
Moonset: 4:11 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:42 AM - 2:12 PM

Minor Periods

3:41 PM - 5:11 PM
7:48 AM - 9:18 AM

Action Rating: 4 out of 5

Sunday, January 18, 2026

Weather Forecast

Moderate snow
11.5°F
6.9°F
10.1°F
89%
0.18 in
65%
69%
12.5 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 1.1 μg/m3
PM10: 1.1 μg/m3
Carbon Monoxide: 150.2 μg/m3
Nitrogen Dioxide: 1.45 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 69.85 μg/m3

Astronomical

Sunrise: 8:33 AM
Sun Transit: 1:04 PM
Sunset: 5:36 PM
Daylight: 9 hrs 3 mins
Moonrise: 8:53 AM
Moon Transit: 1:03 PM
Moonset: 5:21 PM
Moon Phase: New
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

12:21 AM - 2:51 AM
12:33 AM - 3:03 PM

Minor Periods

4:51 PM - 6:21 PM
8:23 AM - 9:53 AM

Action Rating: 4 out of 5

Monday, January 19, 2026

Weather Forecast

Blizzard
5.7°F
2.3°F
6.2°F
90%
0.09 in
64%
58%
17.2 mph
0


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 8:32 AM
Sun Transit: 1:04 PM
Sunset: 5:37 PM
Daylight: 9 hrs 5 mins
Moonrise: 9:20 AM
Moon Transit: 1:52 PM
Moonset: 6:35 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

1:11 AM - 3:41 AM
1:22 PM - 3:52 PM

Minor Periods

6:05 PM - 7:35 PM
8:50 AM - 10:20 AM

Action Rating: 5 out of 5

Tuesday, January 20, 2026

Weather Forecast

Moderate or heavy snow showers
1.7°F
-1.6°F
1°F
92%
0.06 in
89%
72%
15.9 mph
1


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 8:31 AM
Sun Transit: 1:04 PM
Sunset: 5:39 PM
Daylight: 9 hrs 7 mins
Moonrise: 9:42 AM
Moon Transit: 2:39 PM
Moonset: 7:48 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

1:59 AM - 4:29 AM
2:09 PM - 4:39 PM

Minor Periods

7:18 PM - 8:48 PM
9:12 AM - 10:42 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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