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Realtime Great Lakes Weather Data and Marine Observations

 CNII2: NWS Northerly Is IL                                  
CMAN Station
Lat: 41.86°, Lon: -87.61°
Elevation: 180 m
Anemometer Height: 10 m
Related Site: NDBC

Current Time: 2345 GMT
Station Types
(Click on name to view all stations for that type)
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Lt Blue MarkerBuoys
Red MarkerCMAN & USCG Stations
Yellow MarkerShip Reports
Green MarkerSurface Airways Stations

  Change Units to: English | Metric
 Enter New DOY (001-366):  Or Today (109)
 (See also Tables for determining DOY for a given date)
View multiple days of data for this station:
Select Year and Day of Year (DOY) range:
Year (4-digits):   First Day (001-366):   Last Day (001-366):  
Additional Data Archive: NDBC Historical Data

Metadata | Description of Measurements (NDBC)
All 9s in field = missing data 

                                       Change Units to English | Metric
                         AIR   DEW WND  WND  WND CLD SOLAR   BAR    WAT  WAV  WAV
-------GMT-              TMP   PT  DIR  SPD  GST CVR  RAD    PRES   TMP  HGT  PER
YYYYDDDHHMM#ID            C     C  Deg  m/s  m/s  %   W/m2    mb     C    m    s
202510900001CNII2   19  22.5  14.8 260  5.1 11.3 999 9999.9 9999.9 99.9 99.9 99.9             
202510900151CNII2   19  22.6  15.0 220  5.7 11.3 999 9999.9 9999.9 99.9 99.9 99.9             
202510900301CNII2   19  22.5  15.1 210  5.7 11.3 999 9999.9 9999.9 99.9 99.9 99.9             
202510901001CNII2   19  22.6  15.0 220  4.1  8.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510901151CNII2   19  22.4  15.0 210  4.1  8.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510901451CNII2   19  22.4  14.8 210  3.6  8.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510902001CNII2   19  22.2  14.8 230  3.6  6.2 999 9999.9 9999.9 99.9 99.9 99.9             
202510902151CNII2   19  22.3  14.9 200  5.7  6.2 999 9999.9 9999.9 99.9 99.9 99.9             
202510902301CNII2   19  22.4  15.0 180  6.2 99.9 999 9999.9 9999.9 99.9 99.9 99.9             
202510902451CNII2   19  22.4  14.9 190  5.7  6.2 999 9999.9 9999.9 99.9 99.9 99.9             
202510903001CNII2   19  22.2  14.9 200  4.1  7.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510903151CNII2   19  22.2  14.8 220  5.7  7.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510903301CNII2   19  22.2  14.9 170  3.1  7.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510903451CNII2   19  22.1  14.9 210  3.6  7.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510904001CNII2   19  21.3  15.0 230  9.3 99.9 999 9999.9 9999.9 99.9 99.9 99.9             
202510904301CNII2   19  18.5  14.9 260  4.6  7.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510904451CNII2   19  18.3  14.7 230  4.1  7.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510905001CNII2   19  18.0  14.5 240  3.6  9.8 999 9999.9 9999.9 99.9 99.9 99.9             
202510905151CNII2   19  17.8  14.2 200  3.1  9.8 999 9999.9 9999.9 99.9 99.9 99.9             
202510905301CNII2   19  17.7  14.0 220  4.6  9.8 999 9999.9 9999.9 99.9 99.9 99.9             
202510905451CNII2   19  17.4  13.5 250  4.6  9.8 999 9999.9 9999.9 99.9 99.9 99.9             
202510906001CNII2   19  16.9  13.2 250  4.1  7.2 999 9999.9 9999.9 99.9 99.9 99.9             
202510906151CNII2   19  16.4  12.3 210  6.2  7.2 999 9999.9 9999.9 99.9 99.9 99.9             
202510906301CNII2   19  15.9  11.8 250  4.1  7.2 999 9999.9 9999.9 99.9 99.9 99.9             
202510906451CNII2   19  15.5  11.6 230  4.6  7.2 999 9999.9 9999.9 99.9 99.9 99.9             
202510907151CNII2   19  14.4  10.4 260  6.2  8.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510907301CNII2   19  14.2  10.5 260  4.1  8.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510907451CNII2   19  14.0  10.4 270  5.1  8.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510908001CNII2   19  13.9  10.4 290  4.1  7.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510908151CNII2   19  13.4  10.4 270  8.7 99.9 999 9999.9 9999.9 99.9 99.9 99.9             
202510908451CNII2   19  13.3  10.7 270  4.1  7.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510909001CNII2   19   6.9 999.9  10  7.7  8.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510909151CNII2   19   6.2 999.9 350  6.7  8.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510909301CNII2   19   6.0 999.9 350  5.7  8.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510909451CNII2   19   5.9   4.7 360  5.7  8.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510910001CNII2   19   6.0   4.8 360  4.6 10.8 999 9999.9 9999.9 99.9 99.9 99.9             
202510910151CNII2   19   5.8   4.6 360  5.1 10.8 999 9999.9 9999.9 99.9 99.9 99.9             
202510910301CNII2   19   5.9   4.7 360  5.7 10.8 999 9999.9 9999.9 99.9 99.9 99.9             
202510910451CNII2   19   5.6   4.4  10  3.6 10.8 999 9999.9 9999.9 99.9 99.9 99.9             
202510911001CNII2   19   5.7   4.5 360  5.1  7.2 999 9999.9 9999.9 99.9 99.9 99.9             
202510911151CNII2   19   5.6   4.5  10  3.6  7.2 999 9999.9 9999.9 99.9 99.9 99.9             
202510911301CNII2   19   5.5   4.4 360  3.6  7.2 999 9999.9 9999.9 99.9 99.9 99.9             
202510911451CNII2   19   5.5   4.4 360  4.6  7.2 999 9999.9 9999.9 99.9 99.9 99.9             
202510912001CNII2   19   5.3   4.3 360  4.1  6.2 999 9999.9 9999.9 99.9 99.9 99.9             
202510912151CNII2   19   5.4   4.4  10  4.6  6.2 999 9999.9 9999.9 99.9 99.9 99.9             
202510912301CNII2   19   5.3   4.3  20  4.1  6.2 999 9999.9 9999.9 99.9 99.9 99.9             
202510912451CNII2   19   5.2   4.2  20  3.6  6.2 999 9999.9 9999.9 99.9 99.9 99.9             
202510913151CNII2   19   5.4   4.4 340  2.1  5.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510913301CNII2   19   5.3   4.3 350  3.1  5.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510913451CNII2   19   5.5   4.6 360  2.1  5.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510914001CNII2   19   5.5   4.5 360  1.5  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202510914151CNII2   19   5.5   4.5  20  2.6  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202510914301CNII2   19   5.6   4.6  30  2.6  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202510914451CNII2   19   5.8   4.8  10  1.5  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202510915001CNII2   19   6.0   5.0  20  1.0  3.1 999 9999.9 9999.9 99.9 99.9 99.9             
202510915151CNII2   19   5.9   4.9  20  2.1  3.1 999 9999.9 9999.9 99.9 99.9 99.9             
202510915301CNII2   19   5.9   4.9  10  2.1  3.1 999 9999.9 9999.9 99.9 99.9 99.9             
202510915451CNII2   19   6.1   5.1  40  2.1  3.1 999 9999.9 9999.9 99.9 99.9 99.9             
202510916001CNII2   19   6.3   5.4  30  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9             
202510916151CNII2   19   6.2   5.2  50  1.0  2.6 999 9999.9 9999.9 99.9 99.9 99.9             
202510916301CNII2   19   6.0   5.0  90  1.0  2.6 999 9999.9 9999.9 99.9 99.9 99.9             
202510916451CNII2   19   6.5   5.5 130  1.5  2.6 999 9999.9 9999.9 99.9 99.9 99.9             
202510917001CNII2   19   6.7   5.7 140  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9             
202510917151CNII2   19   6.8   5.8 150  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9             
202510917301CNII2   19   6.7   5.7 120  0.5  2.6 999 9999.9 9999.9 99.9 99.9 99.9             
202510917451CNII2   19   6.6   5.5  70  1.5  2.6 999 9999.9 9999.9 99.9 99.9 99.9             
202510918001CNII2   19   6.7   5.6   0  0.0  2.6 999 9999.9 9999.9 99.9 99.9 99.9             
202510918151CNII2   19   7.1   5.9 110  1.5  2.6 999 9999.9 9999.9 99.9 99.9 99.9             
202510918301CNII2   19   7.3   6.0 100  1.5  2.6 999 9999.9 9999.9 99.9 99.9 99.9             
202510918451CNII2   19   7.9   6.5 110  2.6  2.6 999 9999.9 9999.9 99.9 99.9 99.9             
202510919001CNII2   19   8.1   6.6 120  3.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9             
202510919151CNII2   19   8.4   6.8 120  3.6 99.9 999 9999.9 9999.9 99.9 99.9 99.9             
202510919301CNII2   19   8.5   6.9 120  4.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9             
202510919451CNII2   19   8.6   6.9 130  4.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9             
202510920151CNII2   19   8.8   6.9 130  6.2 99.9 999 9999.9 9999.9 99.9 99.9 99.9             
202510920301CNII2   19   9.2   7.2 130  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202510920451CNII2   19   9.2   7.1 110  4.6  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202510921001CNII2   19   9.3   7.0 120  4.6  6.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510921301CNII2   19   9.5   7.3 120  3.6  6.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510921451CNII2   19   9.7   7.5 100  3.1  6.7 999 9999.9 9999.9 99.9 99.9 99.9             
202510922001CNII2   19   9.9   7.8 110  2.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202510922151CNII2   19  10.2   7.9 110  2.6  5.1 999 9999.9 9999.9 99.9 99.9 99.9             
202510922301CNII2   19  10.8   8.4 130  2.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
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This Web page created and maintained by Greg Lang, NOAA/GLERL,
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