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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: 1014 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 (182)
 (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 202518200001CNII2 19 76.1 69.3 160 5.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202518200151CNII2 19 75.7 69.1 130 4.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202518200301CNII2 19 75.4 68.9 140 7.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202518200451CNII2 19 75.2 68.4 160 5.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202518201151CNII2 19 75.7 69.1 0 0.0 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202518201301CNII2 19 75.2 69.1 350 1.9 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202518201451CNII2 19 75.6 66.6 320 2.9 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202518202001CNII2 19 82.2 999.9 280 5.1 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202518202151CNII2 19 81.5 999.9 330 9.9 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202518202301CNII2 19 82.0 999.9 280 7.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202518202451CNII2 19 81.9 57.6 290 11.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202518203001CNII2 19 81.7 59.0 270 8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202518203151CNII2 19 81.1 59.5 270 8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202518203301CNII2 19 80.8 59.9 310 6.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202518203451CNII2 19 80.6 60.1 290 12.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202518204001CNII2 19 80.4 60.3 290 8.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202518204151CNII2 19 80.2 60.4 290 7.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202518204451CNII2 19 79.9 60.1 300 8.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202518205001CNII2 19 79.5 60.1 300 8.9 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202518205151CNII2 19 79.2 61.0 300 8.9 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202518205301CNII2 19 78.6 61.5 300 5.1 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202518205451CNII2 19 78.3 61.7 270 8.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202518206001CNII2 19 77.9 62.2 270 5.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202518206151CNII2 19 77.5 62.1 280 8.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202518206301CNII2 19 77.2 62.1 300 5.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202518206451CNII2 19 76.6 62.4 280 5.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202518207001CNII2 19 76.5 62.8 290 7.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202518207151CNII2 19 75.7 62.8 280 5.1 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202518207301CNII2 19 75.4 62.6 280 6.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202518207451CNII2 19 75.4 62.8 250 8.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202518208001CNII2 19 75.2 62.8 260 7.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202518208151CNII2 19 75.0 62.6 270 7.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202518208301CNII2 19 74.8 63.0 290 6.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
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