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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: 0009 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 (167)
 (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 202516600001CNII2 19 61.2 53.8 360 8.9 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202516600151CNII2 19 61.2 54.1 340 6.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202516600301CNII2 19 60.8 54.0 360 8.9 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202516600451CNII2 19 60.1 53.4 10 4.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202516601001CNII2 19 59.5 53.4 360 8.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202516601151CNII2 19 59.0 53.2 30 8.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202516601301CNII2 19 58.8 53.6 20 7.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202516601451CNII2 19 58.5 53.6 30 5.1 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202516602001CNII2 19 58.8 53.8 350 4.1 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202516602151CNII2 19 58.6 53.6 360 6.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202516602301CNII2 19 58.5 53.4 360 5.1 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202516602451CNII2 19 58.6 53.4 360 6.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202516603001CNII2 19 58.5 53.2 360 2.9 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516603151CNII2 19 58.8 53.4 340 4.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516603301CNII2 19 58.6 53.1 350 4.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516603451CNII2 19 58.8 52.7 350 5.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516604001CNII2 19 58.3 52.9 350 5.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516604151CNII2 19 58.3 52.9 350 2.9 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516604301CNII2 19 59.0 52.3 350 4.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516605001CNII2 19 60.6 51.6 20 5.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516605301CNII2 19 60.8 51.6 10 4.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516606001CNII2 19 60.4 51.6 20 4.1 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202516606151CNII2 19 59.5 52.5 10 2.9 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202516606301CNII2 19 59.2 52.5 340 2.9 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202516606451CNII2 19 59.5 53.8 290 1.0 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202516607001CNII2 19 59.9 52.5 340 4.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202516607151CNII2 19 61.7 51.3 340 5.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202516607301CNII2 19 60.6 50.7 10 7.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202516608001CNII2 19 58.6 52.0 360 7.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202516608151CNII2 19 57.7 52.7 10 8.9 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202516608301CNII2 19 57.4 53.1 360 6.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202516608451CNII2 19 57.0 52.7 360 6.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202516609001CNII2 19 57.0 52.9 30 7.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202516609151CNII2 19 56.7 52.7 350 7.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202516609301CNII2 19 56.8 52.9 340 5.1 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202516609451CNII2 19 56.3 52.5 340 5.1 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202516610001CNII2 19 56.3 52.7 10 4.1 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202516610151CNII2 19 56.7 53.1 340 4.1 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202516610301CNII2 19 56.5 52.9 10 5.1 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202516610451CNII2 19 57.6 53.4 10 5.1 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202516611001CNII2 19 58.1 53.8 360 5.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516611151CNII2 19 58.8 54.3 340 1.0 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516611301CNII2 19 60.3 55.2 350 1.9 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516611451CNII2 19 60.4 55.0 360 5.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516612001CNII2 19 60.6 55.2 360 4.1 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202516612151CNII2 19 60.6 54.9 360 6.0 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202516612301CNII2 19 61.9 55.6 360 1.9 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202516613001CNII2 19 63.7 55.9 10 5.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516613151CNII2 19 63.7 55.8 360 4.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516613301CNII2 19 63.1 55.8 10 6.0 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516613451CNII2 19 63.0 56.1 330 4.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516614001CNII2 19 63.5 55.9 10 5.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516614151CNII2 19 64.2 55.9 350 5.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516614301CNII2 19 65.5 57.4 10 4.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516615001CNII2 19 64.8 55.9 20 6.0 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516615151CNII2 19 63.7 56.7 30 5.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516615301CNII2 19 64.6 56.5 20 4.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516615451CNII2 19 65.3 57.6 30 4.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516616001CNII2 19 66.4 57.4 30 2.9 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516616151CNII2 19 67.6 57.7 30 5.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202516616301CNII2 19 66.6 56.5 10 8.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202516616451CNII2 19 65.3 57.2 10 8.9 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202516617001CNII2 19 64.6 57.2 20 7.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202516617151CNII2 19 64.8 57.0 30 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202516617301CNII2 19 66.6 58.1 360 5.1 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202516617451CNII2 19 66.6 57.7 10 4.1 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202516618001CNII2 19 65.7 57.6 10 6.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202516618151CNII2 19 66.9 58.5 10 4.1 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202516618301CNII2 19 67.3 57.0 350 7.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202516618451CNII2 19 68.7 57.2 340 5.1 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202516619001CNII2 19 67.5 56.8 10 7.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202516619151CNII2 19 65.8 57.0 360 9.9 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202516619451CNII2 19 64.0 56.8 360 9.9 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202516620001CNII2 19 64.8 57.4 360 7.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202516620301CNII2 19 66.4 57.0 350 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202516620451CNII2 19 67.3 57.6 350 7.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202516621151CNII2 19 66.7 56.1 10 9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202516621301CNII2 19 67.8 56.8 360 8.0 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202516621451CNII2 19 67.6 56.3 10 8.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202516622001CNII2 19 68.4 56.1 350 6.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202516622151CNII2 19 69.6 56.7 10 6.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202516622301CNII2 19 67.1 56.1 350 8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
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