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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
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 (285)
 (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 202425400001CNII2 19 76.8 48.4 250 8.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425400151CNII2 19 76.5 50.0 250 5.1 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425400301CNII2 19 76.1 50.4 260 2.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425400451CNII2 19 75.6 50.7 300 5.1 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425401001CNII2 19 75.2 51.1 250 5.1 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425401151CNII2 19 74.8 50.2 250 4.1 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425401301CNII2 19 74.7 50.7 270 4.1 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425401451CNII2 19 74.3 50.5 260 4.1 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425402001CNII2 19 73.8 50.9 250 6.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425402151CNII2 19 73.8 52.3 240 4.1 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425402301CNII2 19 73.2 50.5 220 4.1 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425402451CNII2 19 72.7 50.7 190 2.9 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425403001CNII2 19 72.3 50.4 240 5.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425403151CNII2 19 72.0 50.4 210 5.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425403301CNII2 19 71.6 50.4 240 6.0 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425403451CNII2 19 71.2 50.4 260 6.0 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425404001CNII2 19 70.9 50.2 270 6.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425404151CNII2 19 70.9 50.7 270 4.1 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425404301CNII2 19 70.5 49.6 240 7.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425404451CNII2 19 70.3 49.6 260 5.1 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425405001CNII2 19 69.8 49.5 260 2.9 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425405151CNII2 19 69.3 49.8 270 4.1 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425405301CNII2 19 68.5 48.9 240 4.1 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425405451CNII2 19 68.4 49.1 280 2.9 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425406001CNII2 19 68.0 49.1 240 2.9 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425406151CNII2 19 66.7 49.8 240 2.9 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425406301CNII2 19 67.1 50.0 260 2.9 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425406451CNII2 19 66.7 49.3 230 4.1 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425407151CNII2 19 66.6 49.6 250 2.9 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202425407301CNII2 19 66.7 49.8 260 4.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202425407451CNII2 19 66.6 49.8 270 5.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202425408001CNII2 19 66.4 49.6 270 4.1 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425408151CNII2 19 65.8 49.3 230 5.1 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425408301CNII2 19 65.7 50.2 250 4.1 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425408451CNII2 19 64.9 49.6 240 4.1 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425409001CNII2 19 64.6 49.6 200 2.9 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425409151CNII2 19 64.6 49.3 230 6.0 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425409301CNII2 19 64.4 49.6 230 6.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202425409451CNII2 19 64.0 49.3 240 5.1 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425410001CNII2 19 64.2 50.0 250 6.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425410151CNII2 19 64.2 49.1 240 5.1 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425410301CNII2 19 64.4 48.6 270 5.1 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425410451CNII2 19 64.0 48.0 220 6.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425411001CNII2 19 63.7 48.4 240 6.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425411151CNII2 19 63.7 48.0 240 8.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425411301CNII2 19 63.7 47.5 250 6.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425411451CNII2 19 63.3 47.3 250 8.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425412001CNII2 19 63.1 46.4 230 7.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425412151CNII2 19 63.3 46.9 240 5.1 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425412301CNII2 19 64.0 46.9 250 5.1 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425412451CNII2 19 64.2 47.3 230 5.1 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425413001CNII2 19 64.8 47.3 230 6.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425413151CNII2 19 65.7 46.4 250 6.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425413301CNII2 19 66.2 45.5 250 7.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425413451CNII2 19 67.1 45.0 250 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425414001CNII2 19 68.2 44.4 220 8.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425414151CNII2 19 69.6 45.7 260 5.1 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425414301CNII2 19 70.9 46.6 230 6.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425414451CNII2 19 71.2 42.4 220 5.1 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425415001CNII2 19 72.3 42.8 260 5.1 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425415151CNII2 19 73.9 42.3 180 2.9 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425415301CNII2 19 74.7 40.8 200 5.1 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425415451CNII2 19 75.6 43.5 240 6.0 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425416001CNII2 19 75.6 41.2 170 4.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425416151CNII2 19 75.9 42.1 240 4.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425416301CNII2 19 75.9 41.0 220 6.0 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425416451CNII2 19 77.0 41.7 180 5.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425417001CNII2 19 76.5 42.6 250 6.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425417151CNII2 19 77.0 41.9 210 6.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425417301CNII2 19 77.5 43.0 180 6.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425417451CNII2 19 77.9 42.8 200 11.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202425418001CNII2 19 78.3 44.4 220 7.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425418151CNII2 19 78.4 41.5 210 6.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425418301CNII2 19 78.6 41.7 180 8.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425419001CNII2 19 80.4 41.4 190 6.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425419151CNII2 19 79.9 40.5 190 9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425419301CNII2 19 80.2 39.0 180 4.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425419451CNII2 19 80.1 40.1 200 9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425420001CNII2 19 79.9 42.4 190 6.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425420151CNII2 19 80.1 41.9 220 8.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425420301CNII2 19 81.7 42.3 190 6.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425420451CNII2 19 81.0 40.5 170 6.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425421001CNII2 19 81.7 43.0 180 4.1 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202425421151CNII2 19 81.9 42.6 190 8.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202425421301CNII2 19 81.3 44.1 200 5.1 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202425421451CNII2 19 81.1 41.4 190 8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202425422001CNII2 19 81.5 42.3 190 6.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425422151CNII2 19 81.3 42.4 200 5.1 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425422301CNII2 19 80.6 40.1 180 7.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425422451CNII2 19 80.8 39.9 210 7.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425423001CNII2 19 80.4 42.3 190 6.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425423151CNII2 19 80.2 40.8 190 5.1 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425423301CNII2 19 79.3 41.0 200 5.1 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425423451CNII2 19 78.6 41.9 190 7.0 9.9 999 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]
94 matching elements
0.063 sec

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