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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: 1933 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

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 Enter New DOY (001-366):  Or Today (320)
 (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 202530800001CNII2 19 13.8 -5.2 270 3.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202530800151CNII2 19 13.4 -5.9 260 4.6 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202530800301CNII2 19 13.2 -3.8 260 2.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202530800451CNII2 19 12.9 -3.5 270 3.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202530801001CNII2 19 13.0 -5.9 270 4.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202530801151CNII2 19 12.8 -4.5 280 2.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202530801301CNII2 19 12.7 -5.4 250 3.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202530801451CNII2 19 12.6 -5.7 270 3.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202530802001CNII2 19 12.1 -5.2 260 2.1 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202530802151CNII2 19 11.9 -3.9 250 2.1 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202530802301CNII2 19 11.6 -5.1 260 3.6 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202530802451CNII2 19 11.6 -3.9 280 2.6 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202530803001CNII2 19 11.4 -4.5 270 3.6 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202530803151CNII2 19 11.1 -4.8 270 2.6 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202530803301CNII2 19 11.1 -4.2 270 2.6 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202530803451CNII2 19 10.9 -4.2 270 2.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202530804001CNII2 19 10.7 -4.4 270 2.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202530804151CNII2 19 10.3 -3.5 290 2.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202530804301CNII2 19 10.9 -4.8 260 4.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202530804451CNII2 19 10.7 -3.8 280 4.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202530805001CNII2 19 10.1 -4.7 250 3.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202530805151CNII2 19 9.8 -4.3 270 2.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202530805301CNII2 19 9.5 -3.9 260 3.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202530805451CNII2 19 9.3 -4.2 250 3.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202530806001CNII2 19 9.0 -4.4 250 2.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202530806151CNII2 19 8.8 -3.0 270 2.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202530806301CNII2 19 8.6 -3.6 300 3.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202530806451CNII2 19 8.6 -2.8 270 2.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202530807001CNII2 19 9.1 -4.2 270 4.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202530807151CNII2 19 9.7 -4.1 260 4.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202530807301CNII2 19 10.1 -5.0 270 4.6 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202530807451CNII2 19 10.4 -5.3 280 5.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202530808001CNII2 19 10.3 -4.0 270 5.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202530808151CNII2 19 9.6 -5.2 260 4.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9
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