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Realtime Great Lakes Weather Data and Marine Observations


SLH: Cheboygan AP MI                                  
Surface Airways Station
Lat: 45.65°, Lon: -84.52°
Elevation: 195 m
Related Site: Weather Underground


Current Time: 2026 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 (188)
 (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):  
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 202518800156SLH 29 62.6 59.0 60 5.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518800366SLH 29 62.6 59.0 60 5.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518800556SLH 29 62.6 59.0 50 6.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518801156SLH 29 60.8 57.2 50 7.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518801356SLH 29 60.8 57.2 40 6.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518801556SLH 29 60.8 55.4 40 8.9 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518802156SLH 29 60.8 55.4 30 7.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518802356SLH 29 60.8 57.2 40 6.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518802566SLH 29 60.8 55.4 40 6.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518803156SLH 29 60.8 55.4 60 8.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518803356SLH 29 60.8 55.4 50 5.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518803556SLH 29 60.8 55.4 40 2.9 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518804156SLH 29 60.8 55.4 30 4.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518804356SLH 29 60.8 55.4 0 0.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518804556SLH 29 60.8 55.4 10 2.9 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518805166SLH 29 60.8 55.4 20 4.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518805356SLH 29 60.8 55.4 0 0.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518805556SLH 29 60.8 55.4 0 0.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518806156SLH 29 60.8 55.4 20 4.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518806356SLH 29 60.8 55.4 0 0.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518806556SLH 29 60.8 55.4 20 2.9 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518807156SLH 29 60.8 55.4 50 5.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518807366SLH 29 60.8 55.4 30 6.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518807556SLH 29 60.8 55.4 40 5.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518808156SLH 29 60.8 53.6 0 0.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518808356SLH 29 60.8 53.6 0 0.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518808556SLH 29 60.8 55.4 0 0.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518809156SLH 29 60.8 55.4 0 0.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518809366SLH 29 60.8 55.4 0 0.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518809566SLH 29 59.0 57.2 330 2.9 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518810156SLH 29 59.0 55.4 10 4.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518810356SLH 29 59.0 55.4 0 0.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518810556SLH 29 60.8 55.4 360 2.9 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518811156SLH 29 60.8 57.2 340 2.9 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518811356SLH 29 60.8 57.2 340 4.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518811556SLH 29 60.8 55.4 350 5.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202518812166SLH 29 62.6 57.2 340 4.1 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202518812356SLH 29 62.6 57.2 350 6.0 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202518812556SLH 29 62.6 57.2 340 6.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202518813156SLH 29 64.4 55.4 340 6.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202518813356SLH 29 64.4 55.4 340 4.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202518813556SLH 29 64.4 55.4 350 5.1 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202518814156SLH 29 64.4 57.2 330 7.0 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202518814366SLH 29 66.2 55.4 350 8.0 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202518814556SLH 29 64.4 55.4 350 8.0 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202518815156SLH 29 66.2 55.4 350 6.0 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202518815356SLH 29 68.0 57.2 350 5.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202518815556SLH 29 68.0 57.2 360 7.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202518816156SLH 29 68.0 57.2 310 7.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202518816356SLH 29 68.0 55.4 330 8.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202518816566SLH 29 69.8 57.2 320 6.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202518817156SLH 29 69.8 57.2 310 6.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202518817356SLH 29 69.8 57.2 350 7.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202518817556SLH 29 69.8 55.4 20 6.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202518818156SLH 29 71.6 55.4 10 6.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202518818386SLH 29 71.6 57.2 330 8.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202518818566SLH 29 71.6 55.4 30 6.0 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202518819156SLH 29 71.6 55.4 10 7.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202518819356SLH 29 71.6 57.2 360 7.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202518819556SLH 29 73.4 57.2 30 7.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202518820156SLH 29 73.4 57.2 350 7.0 99.9 0 9999.9 9999.9 99.9 99.9 99.9
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