Water Temperature of the Cal-Sag Channel in Blue Island, IL

Current Water Temperature

32.0°F

Measurement Time: Thursday, May 28, 2026, 2:53 AM CDT

Temperature Locations

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Local Points of Interest

Calumet-Saganashkee Channel; Little Calumet River

Cal-Sag Channel

Station Name: CALUMET SAG CHANNEL AT BLUE ISLAND, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 597 feet

Nearest Address:
13198 Division St
Blue Island, IL 60406
Cook County

GPS Coordinates: 41.65281186, -87.670326

Nearby Water Temperatures

Grand Calumet River, Chicago, IL (5.6 mi)
Grand Calumet River, Hammond, IN (9.1 mi)
Indiana Harbor Canal, East Chicago, IN (10.4 mi)
Hart Ditch, Munster, IN (11.7 mi)
Chicago River, Chicago, IL (12.8 mi)
Plum Creek, Dyer, IN (13 mi)
Little Calumet River, Gary, IN (15.1 mi)
Lake Michigan, Chicago, IL (17.4 mi)
Chicago Sanitary and Ship Canal, Romeoville, IL (20.1 mi)
Deep River, Lake Station, IN (20.3 mi)
Des Plaines River, Lockport, IL (21.8 mi)
Des Plaines River, Joliet, IL (22.8 mi)
Des Plaines River, Rockdale, IL (24.9 mi)
Des Plaines River, Channahon, IL (32.6 mi)
Lake Michigan, Wilmette, IL (33.3 mi)

Weather for Blue Island, Illinois

Current Weather

60.1°F
Partly cloudy
Partly cloudy
60.1°F
64.4°F
62%
NNE 9.8 mph
12.5 mph
64.4°F
56.2°F
0 in
50%
9 mi
1021 mbar
0.5

Five Day Weather Forecast

Sunny
Thu
H: 82°F
L: 57°F
Sunny
Fri
H: 82°F
L: 54°F
Partly Cloudy
Sat
H: 75°F
L: 60°F
Partly Cloudy
Sun
H: 78°F
L: 59°F
Patchy rain nearby
Mon
H: 82°F
L: 56°F

Air Quality

AQI: 1 - Good
PM2.5: 7.05 μg/m3
PM10: 7.45 μg/m3
Carbon Monoxide: 160.85 μg/m3
Nitrogen Dioxide: 5.65 μg/m3
Sulphur Dioxide: 2.85 μg/m3
Ozone: 89 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:48 AM
Sunset: 8:16 PM
Daylight: 14 hrs 55 mins
Moonrise: 6:08 PM
Moon Transit: 11:02 PM
Moonset: 3:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

10:30 AM - 1:00 PM
12:00 AM - 12:00 AM

Minor Periods

5:38 PM - 7:08 PM
2:54 AM - 4:24 AM

Action Rating: 2 out of 5

Beach Hazards Statement issued May 27 at 9:22PM CDT until May 29 at 1:00AM CDT by NWS Chicago IL

Effective: Wed May 27, 2026, 9:22 PM
Expires: Thu May 28, 2026, 5:30 AM

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 4 to 6 feet expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Through late Thursday night. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com.

Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.


Beach Hazards Statement issued May 28 at 3:34AM CDT until May 28 at 10:00PM CDT by NWS Chicago IL

Effective: Thu May 28, 2026, 3:34 AM
Expires: Thu May 28, 2026, 11:45 AM

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 4 to 7 ft expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Through this evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com.

Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.


Beach Hazards Statement issued May 27 at 9:22PM CDT until May 29 at 4:00AM CDT by NWS Chicago IL

Effective: Wed May 27, 2026, 9:22 PM
Expires: Thu May 28, 2026, 5:30 AM

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 4 to 6 feet expected. * WHERE...Lake IN and Porter Counties. * WHEN...From 1 AM CDT Thursday through late Thursday night. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers.

Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.


Beach Hazards Statement issued May 28 at 3:34AM CDT until May 28 at 10:00PM CDT by NWS Chicago IL

Effective: Thu May 28, 2026, 3:34 AM
Expires: Thu May 28, 2026, 11:45 AM

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 6 ft expected. * WHERE...Lake IN and Porter Counties. * WHEN...Through this evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers.

Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.
Thursday, May 28, 2026

Weather Forecast

Sunny
81.7°F
56.9°F
67°F
58%
0 in
0%
0%
12.1 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 7.95 μg/m3
PM10: 8.58 μg/m3
Carbon Monoxide: 155.13 μg/m3
Nitrogen Dioxide: 9.93 μg/m3
Sulphur Dioxide: 2.57 μg/m3
Ozone: 83.8 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:48 AM
Sunset: 8:16 PM
Daylight: 14 hrs 55 mins
Moonrise: 6:08 PM
Moon Transit: 11:02 PM
Moonset: 3:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

10:30 AM - 1:00 PM
12:00 AM - 12:00 AM

Minor Periods

5:38 PM - 7:08 PM
2:54 AM - 4:24 AM

Action Rating: 2 out of 5

Friday, May 29, 2026

Weather Forecast

Sunny
81.8°F
54°F
67.5°F
53%
0 in
0%
0%
6.3 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 8.23 μg/m3
PM10: 8.62 μg/m3
Carbon Monoxide: 162.81 μg/m3
Nitrogen Dioxide: 13.89 μg/m3
Sulphur Dioxide: 4.63 μg/m3
Ozone: 77.04 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:48 AM
Sunset: 8:17 PM
Daylight: 14 hrs 57 mins
Moonrise: 7:12 PM
Moon Transit: 11:49 PM
Moonset: 3:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

6:42 PM - 8:12 PM
3:20 AM - 4:50 AM

Action Rating: 4 out of 5

Saturday, May 30, 2026

Weather Forecast

Partly Cloudy
74.6°F
60.2°F
67°F
50%
0 in
0%
0%
11 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 10.95 μg/m3
PM10: 11.76 μg/m3
Carbon Monoxide: 198.45 μg/m3
Nitrogen Dioxide: 18.27 μg/m3
Sulphur Dioxide: 6.29 μg/m3
Ozone: 81.32 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:48 AM
Sunset: 8:18 PM
Daylight: 14 hrs 58 mins
Moonrise: 8:15 PM
Moon Transit: 12:00 AM
Moonset: 4:22 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

7:45 PM - 9:15 PM
3:52 AM - 5:22 AM

Action Rating: 4 out of 5

Sunday, May 31, 2026

Weather Forecast

Partly Cloudy
78°F
59.2°F
67.5°F
43%
0 in
0%
0%
6.5 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 6.18 μg/m3
PM10: 6.51 μg/m3
Carbon Monoxide: 140.31 μg/m3
Nitrogen Dioxide: 7.93 μg/m3
Sulphur Dioxide: 4.57 μg/m3
Ozone: 86.96 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:48 AM
Sunset: 8:18 PM
Daylight: 14 hrs 59 mins
Moonrise: 9:13 PM
Moon Transit: 12:38 AM
Moonset: 4:59 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:08 AM - 2:38 AM
12:53 AM - 3:23 PM

Minor Periods

8:43 PM - 10:13 PM
4:29 AM - 5:59 AM

Action Rating: 4 out of 5

Monday, June 1, 2026

Weather Forecast

Patchy rain nearby
81.5°F
56.4°F
63.7°F
57%
0.14 in
76%
0%
14.3 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 13.03 μg/m3
PM10: 13.46 μg/m3
Carbon Monoxide: 207.27 μg/m3
Nitrogen Dioxide: 27.13 μg/m3
Sulphur Dioxide: 4.73 μg/m3
Ozone: 70.54 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:48 AM
Sunset: 8:19 PM
Daylight: 15 hrs 1 mins
Moonrise: 10:05 PM
Moon Transit: 1:29 AM
Moonset: 5:45 AM
Moon Phase: Full
Moon Illumination: 96.8%

Best Times for Fishing or Hunting

Major Periods

12:59 AM - 3:29 AM
1:44 PM - 4:14 PM

Minor Periods

9:35 PM - 11:05 PM
5:15 AM - 6:45 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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