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

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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 / 179 meters

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 (23.0 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

26.1°F
Light snow
Conditions: Light snow
Humidity: 77%
Feels Like: 14.7°F
Wind: NE 13.2 mph
Wind Gusts: 17.7 mph
Pressure: 30.06 in
Precipitation: 0.01 in
Cloud Cover: 100%
Visibility: 2 mi
UV Index: 0

Five Day Weather Forecast

Moderate or heavy snow showers
Sun
H: 26°F
L: 20°F
Overcast
Mon
H: 24°F
L: 18°F
Overcast
Tue
H: 29°F
L: 20°F
Heavy snow
Wed
H: 26°F
L: 16°F
Light freezing rain
Thu
H: 21°F
L: 16°F

Air Quality

PM2.5: 1.33 μg/m3
PM10: 1.53 μg/m3
Carbon Monoxide: 137.83 μg/m3
Nitrogen Dioxide: 1.03 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 8:18 AM
Sun Transit: 12:42 AM
Sunset: 5:07 PM
Daylight: 8 hrs 49 mins
Moonrise: 2:24 PM
Moon Transit: 9:02 PM
Moonset: 2:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:32 PM - 11:02 PM

Minor Periods

1:54 PM - 3:24 PM
2:10 AM - 3:40 AM

Action Rating: 2 out of 5

Winter Weather Advisory issued November 29 at 1:05PM CST until November 30 at 12:00PM CST by NWS Marquette MI

Effective: Sat November 29, 2025, 2:05 PM
Expires: Sun November 30, 2025, 3:15 AM

* WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. Winds gusting as high as 35 mph. * WHERE...Gogebic, Keweenaw, Northern Houghton, Ontonagon, and Southern Houghton Counties. * WHEN...From 7 PM EST /6 PM CST/ this evening to 1 PM EST /noon CST/ Sunday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...The greatest snowfall accumulations will be over the higher elevations of the Keweenaw and the western U.P.

Slow down and use caution while traveling.


Winter Weather Advisory issued November 29 at 1:05PM CST until November 30 at 12:00PM CST by NWS Marquette MI

Effective: Sat November 29, 2025, 2:05 PM
Expires: Sun November 30, 2025, 3:15 AM

* WHAT...Snow expected. Total snow accumulations between 3 and 6 inches. Winds gusting as high as 35 mph. * WHERE...Alger, Baraga, and Marquette Counties. * WHEN...From 7 PM this evening to 1 PM EST Sunday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...The greatest snowfall accumulations are expected over the higher terrain, with lesser amounts near the lakeshore.

Slow down and use caution while traveling.
Sunday, November 30, 2025

Weather Forecast

Conditions: Moderate or heavy snow showers
Average Temperature: 24.3°F
Average Humidity: 74%
Chance of Rain: 89%
Wind: 17.9 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 1.69 μg/m3
PM10: 1.81 μg/m3
Carbon Monoxide: 146.27 μg/m3
Nitrogen Dioxide: 1.11 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 83.6 μg/m3

Astronomical

Sunrise: 8:18 AM
Sun Transit: 12:42 AM
Sunset: 5:07 PM
Daylight: 8 hrs 49 mins
Moonrise: 2:24 PM
Moon Transit: 9:02 PM
Moonset: 2:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:32 PM - 11:02 PM

Minor Periods

1:54 PM - 3:24 PM
2:10 AM - 3:40 AM

Action Rating: 2 out of 5

Monday, December 1, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 22°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 14.3 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 1.27 μg/m3
PM10: 1.31 μg/m3
Carbon Monoxide: 146.43 μg/m3
Nitrogen Dioxide: 1.55 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 82.6 μg/m3

Astronomical

Sunrise: 8:19 AM
Sun Transit: 12:42 AM
Sunset: 5:06 PM
Daylight: 8 hrs 47 mins
Moonrise: 2:43 PM
Moon Transit: 9:54 PM
Moonset: 4:00 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.1%

Best Times for Fishing or Hunting

Major Periods

9:11 AM - 11:41 AM
9:24 PM - 11:54 PM

Minor Periods

2:13 PM - 3:43 PM
3:30 AM - 5:00 AM

Action Rating: 2 out of 5

Tuesday, December 2, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 25.5°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 13.2 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 2.42 μg/m3
PM10: 2.47 μg/m3
Carbon Monoxide: 167.65 μg/m3
Nitrogen Dioxide: 3.36 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 69.4 μg/m3

Astronomical

Sunrise: 8:20 AM
Sun Transit: 12:43 AM
Sunset: 5:06 PM
Daylight: 8 hrs 46 mins
Moonrise: 3:07 PM
Moon Transit: 10:51 PM
Moonset: 5:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

10:05 AM - 12:35 AM
12:00 AM - 12:00 AM

Minor Periods

2:37 PM - 4:07 PM
4:55 AM - 6:25 AM

Action Rating: 2 out of 5

Wednesday, December 3, 2025

Weather Forecast

Conditions: Heavy snow
Average Temperature: 21.6°F
Average Humidity: 79%
Chance of Rain: 76%
Wind: 16.1 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 3.98 μg/m3
PM10: 4.06 μg/m3
Carbon Monoxide: 188.41 μg/m3
Nitrogen Dioxide: 4.1 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 69.54 μg/m3

Astronomical

Sunrise: 8:21 AM
Sun Transit: 12:43 AM
Sunset: 5:06 PM
Daylight: 8 hrs 44 mins
Moonrise: 3:39 PM
Moon Transit: 11:52 PM
Moonset: 6:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

11:04 AM - 1:34 PM
12:00 AM - 12:00 AM

Minor Periods

3:09 PM - 4:39 PM
6:24 AM - 7:54 AM

Action Rating: 4 out of 5

Thursday, December 4, 2025

Weather Forecast

Conditions: Light freezing rain
Average Temperature: 17.8°F
Average Humidity: 71%
Chance of Rain: 72%
Wind: 15.9 mph
UV Index: 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: 8:23 AM
Sun Transit: 12:44 AM
Sunset: 5:05 PM
Daylight: 8 hrs 43 mins
Moonrise: 4:24 PM
Moon Transit: 12:00 AM
Moonset: 8:22 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:09 AM - 2:39 PM

Minor Periods

3:54 PM - 5:24 PM
7:52 AM - 9:22 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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