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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: 2135 GMT
Station Types
(Click on name to view all stations for that type)
White MarkerAll Stations
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 (044)
 (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 202504400001CNII2 19 -3.6 -5.5 70 8.2 9.3 999 9999.9 9999.9 99.9 99.9 99.9 202504400151CNII2 19 -3.4 -5.2 60 6.7 9.3 999 9999.9 9999.9 99.9 99.9 99.9 202504400301CNII2 19 -3.5 -5.5 60 7.7 9.3 999 9999.9 9999.9 99.9 99.9 99.9 202504400451CNII2 19 -3.6 -5.6 50 7.2 9.3 999 9999.9 9999.9 99.9 99.9 99.9 202504401001CNII2 19 -3.3 -5.2 50 6.7 9.3 999 9999.9 9999.9 99.9 99.9 99.9 202504401151CNII2 19 -3.7 -5.2 50 6.2 9.3 999 9999.9 9999.9 99.9 99.9 99.9 202504401301CNII2 19 -3.7 -5.1 50 6.7 9.3 999 9999.9 9999.9 99.9 99.9 99.9 202504401451CNII2 19 -3.6 -4.9 60 6.2 9.3 999 9999.9 9999.9 99.9 99.9 99.9 202504402001CNII2 19 -3.7 -5.1 60 5.7 7.7 999 9999.9 9999.9 99.9 99.9 99.9 202504402151CNII2 19 -3.6 -5.0 50 6.2 7.7 999 9999.9 9999.9 99.9 99.9 99.9 202504402301CNII2 19 -3.5 -5.1 50 4.6 7.7 999 9999.9 9999.9 99.9 99.9 99.9 202504402451CNII2 19 -3.6 -5.1 40 5.1 7.7 999 9999.9 9999.9 99.9 99.9 99.9 202504403001CNII2 19 -3.5 -4.9 40 5.1 7.2 999 9999.9 9999.9 99.9 99.9 99.9 202504403151CNII2 19 -3.6 -5.0 60 4.1 7.2 999 9999.9 9999.9 99.9 99.9 99.9 202504403301CNII2 19 -3.5 -5.0 30 3.1 7.2 999 9999.9 9999.9 99.9 99.9 99.9 202504403451CNII2 19 -3.3 -4.8 40 3.1 7.2 999 9999.9 9999.9 99.9 99.9 99.9 202504404001CNII2 19 -3.2 -4.9 40 4.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202504404151CNII2 19 -3.2 -5.0 20 3.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202504404301CNII2 19 -3.3 -5.1 20 3.6 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202504404451CNII2 19 -3.2 -5.1 10 3.6 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202504405001CNII2 19 -3.2 -5.4 30 2.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202504405151CNII2 19 -3.0 -5.3 350 2.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202504405301CNII2 19 -3.1 -5.4 360 3.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202504405451CNII2 19 -2.8 -5.0 350 2.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202504406001CNII2 19 -2.9 -5.2 340 3.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202504406151CNII2 19 -2.5 -4.9 280 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202504406301CNII2 19 -2.7 -4.9 290 3.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202504406451CNII2 19 -2.7 -4.7 270 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202504407001CNII2 19 -2.8 -4.7 280 5.7 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202504407151CNII2 19 -2.7 -4.6 280 3.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202504407301CNII2 19 -3.0 -4.8 280 6.2 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202504407451CNII2 19 -3.5 -5.5 300 5.7 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202504408001CNII2 19 -3.8 -5.9 310 3.1 8.7 999 9999.9 9999.9 99.9 99.9 99.9 202504408151CNII2 19 -3.9 -6.1 280 2.6 8.7 999 9999.9 9999.9 99.9 99.9 99.9 202504408301CNII2 19 -3.9 -6.1 310 4.1 8.7 999 9999.9 9999.9 99.9 99.9 99.9 202504408451CNII2 19 -4.2 -6.5 290 4.6 8.7 999 9999.9 9999.9 99.9 99.9 99.9 202504409001CNII2 19 -4.8 -7.1 270 4.6 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202504409151CNII2 19 -5.2 -7.6 280 4.6 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202504409301CNII2 19 -5.3 -7.7 290 3.6 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202504410001CNII2 19 -5.7 -8.3 280 4.6 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202504410151CNII2 19 -5.6 -8.3 270 2.6 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202504410301CNII2 19 -5.7 -8.5 280 4.6 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202504410451CNII2 19 -5.9 -8.9 250 5.7 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202504411001CNII2 19 -6.0 -8.9 290 4.1 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202504411151CNII2 19 -6.0 -9.1 270 5.7 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202504411301CNII2 19 -6.1 -9.3 270 4.1 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202504411451CNII2 19 -6.2 -9.5 270 5.7 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202504412001CNII2 19 -6.3 -9.4 280 5.7 7.7 999 9999.9 9999.9 99.9 99.9 99.9 202504412151CNII2 19 -6.7 -10.0 280 6.2 7.7 999 9999.9 9999.9 99.9 99.9 99.9 202504412301CNII2 19 -6.7 -10.0 270 6.7 7.7 999 9999.9 9999.9 99.9 99.9 99.9 202504412451CNII2 19 -6.8 -10.1 260 7.7 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202504413001CNII2 19 -6.8 -10.0 280 6.2 9.3 999 9999.9 9999.9 99.9 99.9 99.9 202504413151CNII2 19 -7.2 -10.6 280 7.7 9.3 999 9999.9 9999.9 99.9 99.9 99.9 202504413301CNII2 19 -7.3 -10.7 260 5.7 9.3 999 9999.9 9999.9 99.9 99.9 99.9 202504413451CNII2 19 -7.9 -11.2 240 7.2 9.3 999 9999.9 9999.9 99.9 99.9 99.9 202504414001CNII2 19 -7.9 -11.4 270 7.7 9.3 999 9999.9 9999.9 99.9 99.9 99.9 202504414151CNII2 19 -8.1 -11.5 270 6.7 9.3 999 9999.9 9999.9 99.9 99.9 99.9 202504414301CNII2 19 -8.6 -11.9 280 7.2 9.3 999 9999.9 9999.9 99.9 99.9 99.9 202504414451CNII2 19 -8.7 -12.2 290 7.7 9.3 999 9999.9 9999.9 99.9 99.9 99.9 202504415151CNII2 19 -7.6 -11.8 280 6.2 9.8 999 9999.9 9999.9 99.9 99.9 99.9 202504415301CNII2 19 -7.6 -12.0 290 5.7 9.8 999 9999.9 9999.9 99.9 99.9 99.9 202504415451CNII2 19 -7.7 -12.1 260 5.1 9.8 999 9999.9 9999.9 99.9 99.9 99.9 202504416001CNII2 19 -7.4 -12.1 250 4.6 8.2 999 9999.9 9999.9 99.9 99.9 99.9 202504416151CNII2 19 -7.3 -12.1 280 5.1 8.2 999 9999.9 9999.9 99.9 99.9 99.9 202504416301CNII2 19 -7.3 -12.7 270 5.7 8.2 999 9999.9 9999.9 99.9 99.9 99.9 202504417001CNII2 19 -6.7 -12.3 270 6.2 8.2 999 9999.9 9999.9 99.9 99.9 99.9 202504417151CNII2 19 -7.0 -12.6 250 3.6 8.2 999 9999.9 9999.9 99.9 99.9 99.9 202504417451CNII2 19 -7.2 -13.3 270 7.2 8.2 999 9999.9 9999.9 99.9 99.9 99.9 202504418001CNII2 19 -6.9 -13.2 280 6.2 8.7 999 9999.9 9999.9 99.9 99.9 99.9 202504418151CNII2 19 -7.6 -14.4 270 6.7 8.7 999 9999.9 9999.9 99.9 99.9 99.9 202504418301CNII2 19 -7.2 -14.5 260 7.2 8.7 999 9999.9 9999.9 99.9 99.9 99.9 202504418451CNII2 19 -7.0 -14.4 260 4.1 8.7 999 9999.9 9999.9 99.9 99.9 99.9 202504419001CNII2 19 -7.2 -14.8 270 5.7 9.3 999 9999.9 9999.9 99.9 99.9 99.9 202504419151CNII2 19 -7.2 -14.7 270 5.7 9.3 999 9999.9 9999.9 99.9 99.9 99.9
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