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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: 0021 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 (025)
 (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 202502400001CNII2 19 15.8 1.9 270 12.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202502400151CNII2 19 16.0 2.8 260 6.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202502400301CNII2 19 15.6 2.8 280 9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202502400451CNII2 19 15.3 3.2 240 5.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202502401001CNII2 19 14.9 3.2 270 8.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202502401151CNII2 19 14.5 3.4 290 9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202502401301CNII2 19 13.6 2.3 270 13.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202502401451CNII2 19 13.5 2.7 280 13.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202502402001CNII2 19 13.6 3.0 270 9.9 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202502402151CNII2 19 13.6 3.4 270 11.1 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202502402301CNII2 19 13.3 3.4 280 11.1 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202502402451CNII2 19 13.5 3.6 290 11.1 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202502403001CNII2 19 13.3 3.4 280 13.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9 202502403151CNII2 19 13.6 4.1 280 8.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9 202502403301CNII2 19 13.5 3.7 270 11.1 15.9 999 9999.9 9999.9 99.9 99.9 99.9 202502403451CNII2 19 13.3 3.7 270 9.9 15.9 999 9999.9 9999.9 99.9 99.9 99.9 202502404001CNII2 19 13.1 3.4 270 9.9 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202502404151CNII2 19 12.9 3.2 260 8.9 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202502404301CNII2 19 13.1 3.7 290 11.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202502404451CNII2 19 12.7 3.2 280 8.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202502405001CNII2 19 12.6 3.0 270 8.9 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202502405151CNII2 19 12.6 3.0 300 6.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202502405301CNII2 19 12.2 2.5 280 5.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202502405451CNII2 19 12.0 2.3 250 5.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202502406001CNII2 19 11.7 1.9 250 8.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502406151CNII2 19 11.8 2.7 250 5.1 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502406301CNII2 19 11.7 2.1 260 6.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502406451CNII2 19 11.3 1.8 280 7.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502407001CNII2 19 11.1 1.9 270 8.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502407151CNII2 19 11.1 2.1 270 5.1 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502407301CNII2 19 10.8 1.9 230 5.1 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502407451CNII2 19 10.8 2.3 270 6.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502408001CNII2 19 10.6 2.5 280 5.1 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202502408151CNII2 19 9.9 1.9 250 7.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202502408301CNII2 19 9.5 1.8 250 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202502408451CNII2 19 9.5 2.7 250 7.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202502409001CNII2 19 9.1 2.1 280 4.1 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502409151CNII2 19 9.1 2.3 260 7.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502409301CNII2 19 9.0 2.3 240 7.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502409451CNII2 19 8.8 2.1 260 7.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502410001CNII2 19 8.2 1.8 250 7.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202502410151CNII2 19 7.9 1.6 250 7.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202502410301CNII2 19 7.9 1.8 270 5.1 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202502410451CNII2 19 7.5 1.2 250 6.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202502411001CNII2 19 7.7 1.8 250 5.1 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202502411151CNII2 19 7.5 1.2 260 7.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202502411301CNII2 19 7.7 1.8 250 6.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202502411451CNII2 19 7.5 1.6 260 6.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202502412001CNII2 19 7.0 1.0 250 8.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202502412151CNII2 19 7.2 1.8 260 6.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202502412301CNII2 19 7.2 1.6 260 6.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202502412451CNII2 19 6.6 1.0 250 6.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202502413001CNII2 19 6.6 0.9 260 5.1 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202502413151CNII2 19 6.8 1.2 260 2.9 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202502413301CNII2 19 6.6 0.9 260 6.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202502413451CNII2 19 7.0 1.6 210 5.1 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202502414001CNII2 19 7.2 1.6 240 6.0 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202502414151CNII2 19 7.0 1.0 250 8.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202502414301CNII2 19 7.5 1.4 250 6.0 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202502414451CNII2 19 7.9 1.2 240 4.1 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202502415001CNII2 19 8.1 0.9 260 7.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502415151CNII2 19 9.5 1.4 220 6.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502415301CNII2 19 10.8 1.6 230 7.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502415451CNII2 19 11.3 1.0 260 5.1 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502416001CNII2 19 12.4 2.1 250 6.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502416151CNII2 19 12.4 0.9 230 11.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202502416301CNII2 19 12.9 0.3 180 8.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502416451CNII2 19 14.5 0.9 260 8.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202502417001CNII2 19 15.3 1.6 240 7.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202502417151CNII2 19 15.6 0.3 220 8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202502417301CNII2 19 16.2 -0.8 200 12.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202502417451CNII2 19 17.8 0.5 230 8.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202502418001CNII2 19 17.6 -1.3 240 8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202502418151CNII2 19 18.5 -1.1 210 8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202502418301CNII2 19 18.1 -1.3 210 6.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202502418451CNII2 19 18.9 0.1 240 8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202502419001CNII2 19 18.7 -0.0 250 7.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202502419151CNII2 19 18.9 1.0 240 7.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202502419301CNII2 19 19.0 1.9 200 6.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202502419451CNII2 19 18.9 0.7 190 5.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202502420001CNII2 19 19.0 0.9 250 5.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202502420301CNII2 19 19.4 1.0 220 8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202502420451CNII2 19 20.3 1.6 210 5.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202502421001CNII2 19 20.1 0.9 200 7.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202502421151CNII2 19 20.1 1.0 160 6.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202502421301CNII2 19 20.1 2.1 180 8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202502421451CNII2 19 20.3 2.1 190 7.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202502422001CNII2 19 20.3 2.5 190 7.0 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202502422151CNII2 19 20.5 3.0 210 8.0 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202502422301CNII2 19 20.7 2.8 190 9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202502422451CNII2 19 20.5 2.5 180 8.0 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202502423001CNII2 19 20.3 3.6 190 9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202502423151CNII2 19 20.3 3.7 190 13.0 13.0 999 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
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  [every 2nd value plotted]
93 matching elements
0.042 sec

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