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

23.5°F
Mist
Mist
18°F
16.4°F
81%
S 4.3 mph
8.9 mph
11.2°F
6.6°F
0 in
0%
6 mi
1015 mbar
0

Five Day Weather Forecast

Partly Cloudy
Sat
H: 45°F
L: 15°F
Freezing fog
Sun
H: 31°F
L: 24°F
Overcast
Mon
H: 34°F
L: 26°F
Partly Cloudy
Tue
H: 30°F
L: 18°F
Blizzard
Wed
H: 26°F
L: 22°F

Air Quality

AQI: 1 - Good
PM2.5: 6.63 μg/m3
PM10: 7.03 μg/m3
Carbon Monoxide: 219.83 μg/m3
Nitrogen Dioxide: 4.53 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 69 μg/m3

Astronomical

Sunrise: 7:59 AM
Sun Transit: 1:07 PM
Sunset: 6:17 PM
Daylight: 10 hrs 18 mins
Moonrise: 6:52 AM
Moon Transit: 10:54 AM
Moonset: 3:04 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

2:34 PM - 4:04 PM
6:22 AM - 7:52 AM

Action Rating: 3 out of 5

Dense Fog Advisory issued February 13 at 9:02PM CST until February 14 at 9:00AM CST by NWS Marquette MI

Effective: Fri February 13, 2026, 10:02 PM
Expires: Sat February 14, 2026, 10:00 AM

* WHAT...Visibility 1/4 mile or less in dense fog. * WHERE...Baraga, Dickinson, Iron, and Marquette Counties. * WHEN...Until 10 AM EST /9 AM CST/ Saturday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...The greatest chances for dense fog will be along and south of M-28 west of Ishpeming.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Saturday, February 14, 2026

Weather Forecast

Partly Cloudy
45°F
14.5°F
25.8°F
78%
0 in
0%
0%
8.5 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 7.59 μg/m3
PM10: 8.13 μg/m3
Carbon Monoxide: 222.23 μg/m3
Nitrogen Dioxide: 5.91 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 68.68 μg/m3

Astronomical

Sunrise: 7:59 AM
Sun Transit: 1:07 PM
Sunset: 6:17 PM
Daylight: 10 hrs 18 mins
Moonrise: 6:52 AM
Moon Transit: 10:54 AM
Moonset: 3:04 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

2:34 PM - 4:04 PM
6:22 AM - 7:52 AM

Action Rating: 3 out of 5

Sunday, February 15, 2026

Weather Forecast

Freezing fog
30.6°F
24.4°F
27.1°F
94%
0 in
0%
0%
5.6 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 9.51 μg/m3
PM10: 10.02 μg/m3
Carbon Monoxide: 234.35 μg/m3
Nitrogen Dioxide: 6.55 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 61 μg/m3

Astronomical

Sunrise: 7:58 AM
Sun Transit: 1:07 PM
Sunset: 6:18 PM
Daylight: 10 hrs 21 mins
Moonrise: 7:22 AM
Moon Transit: 11:45 AM
Moonset: 4:17 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:15 AM - 1:45 PM

Minor Periods

3:47 PM - 5:17 PM
6:52 AM - 8:22 AM

Action Rating: 3 out of 5

Monday, February 16, 2026

Weather Forecast

Overcast
34°F
26.1°F
31.8°F
89%
0 in
0%
0%
13.9 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 6.09 μg/m3
PM10: 6.68 μg/m3
Carbon Monoxide: 190.11 μg/m3
Nitrogen Dioxide: 3.76 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 73.84 μg/m3

Astronomical

Sunrise: 7:56 AM
Sun Transit: 1:07 PM
Sunset: 6:20 PM
Daylight: 10 hrs 24 mins
Moonrise: 7:47 AM
Moon Transit: 12:33 AM
Moonset: 5:31 PM
Moon Phase: New
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:03 AM - 2:33 PM

Minor Periods

5:01 PM - 6:31 PM
7:17 AM - 8:47 AM

Action Rating: 4 out of 5

Tuesday, February 17, 2026

Weather Forecast

Partly Cloudy
29.6°F
17.7°F
24.1°F
91%
0 in
0%
6%
18.1 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 1.75 μg/m3
PM10: 2 μg/m3
Carbon Monoxide: 154.71 μg/m3
Nitrogen Dioxide: 1.55 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 80.08 μg/m3

Astronomical

Sunrise: 7:54 AM
Sun Transit: 1:07 PM
Sunset: 6:22 PM
Daylight: 10 hrs 27 mins
Moonrise: 8:07 AM
Moon Transit: 1:20 PM
Moonset: 6:47 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:40 AM - 3:10 AM
12:50 AM - 3:20 PM

Minor Periods

6:17 PM - 7:47 PM
7:37 AM - 9:07 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Blizzard
25.8°F
21.9°F
24.4°F
91%
0.33 in
81%
60%
24.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 0.97 μg/m3
PM10: 0.99 μg/m3
Carbon Monoxide: 168.78 μg/m3
Nitrogen Dioxide: 1.17 μg/m3
Sulphur Dioxide: 0.94 μg/m3
Ozone: 71.46 μg/m3

Astronomical

Sunrise: 7:53 AM
Sun Transit: 1:07 PM
Sunset: 6:23 PM
Daylight: 10 hrs 30 mins
Moonrise: 8:24 AM
Moon Transit: 12:00 AM
Moonset: 8:02 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:26 AM - 3:56 AM

Minor Periods

7:32 PM - 9:02 PM
7:54 AM - 9:24 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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