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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)
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 (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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This Web page created and maintained by Greg Lang, NOAA/GLERL,
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