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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: 2157 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 (170)
 (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            F     F  Deg  kts  kts  %   W/m2   inHg    F    ft   s 202516900001CNII2 19 87.8 60.8 190 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202516900151CNII2 19 87.3 61.2 190 9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202516900301CNII2 19 87.1 61.5 210 8.0 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202516900451CNII2 19 87.1 61.3 200 9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202516901001CNII2 19 86.7 61.2 200 7.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202516901151CNII2 19 86.5 62.1 180 8.9 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202516901301CNII2 19 86.0 62.6 200 11.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202516901451CNII2 19 85.3 63.1 220 8.9 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202516902001CNII2 19 84.9 63.3 260 5.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202516902151CNII2 19 84.2 64.0 190 9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202516902301CNII2 19 83.7 64.4 200 5.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202516902451CNII2 19 82.9 64.9 220 7.0 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202516903001CNII2 19 81.7 64.6 190 9.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202516903151CNII2 19 81.9 63.5 180 7.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202516903301CNII2 19 81.5 63.3 250 5.1 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202516903451CNII2 19 81.1 63.0 220 5.1 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202516904001CNII2 19 81.1 62.1 190 6.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202516904151CNII2 19 81.1 61.5 210 11.1 11.1 999 9999.9 9999.9 99.9 99.9 99.9
  New Graph (click on parameter):                                      
  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
google chart
18 matching elements
0.009 sec

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