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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: 0921 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 (346)
 (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 202434600001CNII2 19 0.1 -5.7 280 5.7 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202434600151CNII2 19 0.0 -6.0 270 5.1 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202434600301CNII2 19 -0.1 -5.9 260 5.1 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202434600451CNII2 19 -0.1 -5.8 280 5.1 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202434601001CNII2 19 -0.3 -6.0 290 3.1 7.2 999 9999.9 9999.9 99.9 99.9 99.9 202434601151CNII2 19 -0.4 -6.0 250 5.1 7.2 999 9999.9 9999.9 99.9 99.9 99.9 202434601301CNII2 19 -0.6 -6.5 250 4.1 7.2 999 9999.9 9999.9 99.9 99.9 99.9 202434601451CNII2 19 -0.6 -6.4 240 3.1 7.2 999 9999.9 9999.9 99.9 99.9 99.9 202434602001CNII2 19 -0.7 -6.4 280 4.1 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202434602151CNII2 19 -0.9 -6.9 260 5.7 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202434602301CNII2 19 -1.1 -7.1 300 4.6 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202434602451CNII2 19 -1.0 -6.9 270 5.7 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202434603001CNII2 19 -0.9 -6.9 260 4.1 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202434603151CNII2 19 -1.0 -7.3 300 5.7 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202434603301CNII2 19 -1.0 -7.8 300 4.1 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202434603451CNII2 19 -1.0 -7.7 290 4.6 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202434604001CNII2 19 -0.8 -7.4 300 4.1 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202434604151CNII2 19 -0.9 -7.8 280 3.1 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202434604301CNII2 19 -0.9 -7.8 310 3.6 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202434604451CNII2 19 -1.0 -7.9 290 5.1 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202434605001CNII2 19 -1.0 -7.9 280 5.1 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202434605151CNII2 19 -1.2 -8.1 260 4.1 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202434605301CNII2 19 -1.0 -7.5 270 3.6 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202434605451CNII2 19 -1.0 -7.6 280 4.1 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202434606151CNII2 19 -1.0 -7.4 270 5.1 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202434606301CNII2 19 -1.0 -7.3 310 4.1 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202434606451CNII2 19 -1.1 -7.5 300 4.6 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202434607001CNII2 19 -1.2 -7.7 260 4.1 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202434607151CNII2 19 -1.1 -7.4 270 4.6 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202434607301CNII2 19 -1.5 -7.8 290 3.1 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202434607451CNII2 19 -1.5 -7.7 280 4.1 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202434608001CNII2 19 -1.7 -7.5 240 2.6 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202434608151CNII2 19 -1.9 -7.6 260 3.1 6.7 999 9999.9 9999.9 99.9 99.9 99.9
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