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Realtime Great Lakes Weather Data and Marine Observations

 GSLM4: NWS GravellyShoalsMI                                  
CMAN Station
Lat: 44.02°, Lon: -83.54°
Elevation: 179 m
Anemometer Height: 25 m
Related Site: NDBC
Station Types
(Click on name to view all stations for that type)
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Red MarkerCMAN & USCG Stations
Yellow MarkerShip Reports
Green MarkerSurface Airways Stations

  Change Units to: English | Metric
 Enter New DOY (001-366):  Or Today (287)
 (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
202425400001GSLM4   29  64.6 999.9  70  9.9 12.1 999 9999.9  30.06 99.9 99.9 99.9
202425400101GSLM4   29  64.6 999.9  60  8.9 11.1 999 9999.9  30.07 99.9 99.9 99.9
202425400201GSLM4   29  64.6 999.9  50  9.9 11.1 999 9999.9  30.07 99.9 99.9 99.9
202425400301GSLM4   29  64.6 999.9  60  9.9 11.1 999 9999.9  30.07 99.9 99.9 99.9
202425400401GSLM4   29  64.6 999.9  70  9.9 11.1 999 9999.9  30.07 99.9 99.9 99.9
202425400501GSLM4   29  64.8 999.9  70  8.9 11.1 999 9999.9  30.07 99.9 99.9 99.9
202425401001GSLM4   29  64.6 999.9  60  8.9  9.9 999 9999.9  30.08 99.9 99.9 99.9
202425401101GSLM4   29  64.6 999.9  70  8.0  8.9 999 9999.9  30.08 99.9 99.9 99.9
202425401201GSLM4   29  64.4 999.9  70  7.0  8.9 999 9999.9  30.09 99.9 99.9 99.9
202425401301GSLM4   29  64.4 999.9  80  7.0  8.0 999 9999.9  30.09 99.9 99.9 99.9
202425401401GSLM4   29  64.6 999.9  70  7.0  8.0 999 9999.9  30.10 99.9 99.9 99.9
202425401501GSLM4   29  64.6 999.9  80  6.0  8.0 999 9999.9  30.10 99.9 99.9 99.9
202425402001GSLM4   29  64.6 999.9  80  6.0  7.0 999 9999.9  30.10 99.9 99.9 99.9
202425402101GSLM4   29  64.6 999.9  80  6.0  7.0 999 9999.9  30.10 99.9 99.9 99.9
202425402201GSLM4   29  64.6 999.9  70  6.0  7.0 999 9999.9  30.10 99.9 99.9 99.9
202425402301GSLM4   29  64.8 999.9  80  5.1  7.0 999 9999.9  30.10 99.9 99.9 99.9
202425402401GSLM4   29  64.6 999.9  90  5.1  6.0 999 9999.9  30.10 99.9 99.9 99.9
202425402501GSLM4   29  64.4 999.9 100  5.1  6.0 999 9999.9  30.10 99.9 99.9 99.9
202425403001GSLM4   29  64.2 999.9 100  5.1  6.0 999 9999.9  30.10 99.9 99.9 99.9
202425403101GSLM4   29  64.0 999.9 110  5.1  6.0 999 9999.9  30.11 99.9 99.9 99.9
202425403201GSLM4   29  64.0 999.9 110  6.0  7.0 999 9999.9  30.11 99.9 99.9 99.9
202425403301GSLM4   29  63.9 999.9 100  6.0  7.0 999 9999.9  30.11 99.9 99.9 99.9
202425403401GSLM4   29  63.7 999.9 100  6.0  7.0 999 9999.9  30.11 99.9 99.9 99.9
202425403501GSLM4   29  63.7 999.9 100  6.0  7.0 999 9999.9  30.11 99.9 99.9 99.9
202425404001GSLM4   29  63.7 999.9 100  6.0  7.0 999 9999.9  30.12 99.9 99.9 99.9
202425404101GSLM4   29  63.5 999.9 100  6.0  7.0 999 9999.9  30.12 99.9 99.9 99.9
202425404201GSLM4   29  63.5 999.9 110  6.0  7.0 999 9999.9  30.12 99.9 99.9 99.9
202425404301GSLM4   29  63.5 999.9 110  5.1  7.0 999 9999.9  30.12 99.9 99.9 99.9
202425404401GSLM4   29  63.5 999.9 130  4.1  5.1 999 9999.9  30.12 99.9 99.9 99.9
202425404501GSLM4   29  63.5 999.9 140  4.1  5.1 999 9999.9  30.12 99.9 99.9 99.9
202425405001GSLM4   29  63.3 999.9 150  5.1  6.0 999 9999.9  30.12 99.9 99.9 99.9
202425405101GSLM4   29  63.3 999.9 150  2.9  6.0 999 9999.9  30.13 99.9 99.9 99.9
202425405201GSLM4   29  63.1 999.9 160  1.0  5.1 999 9999.9  30.13 99.9 99.9 99.9
202425405301GSLM4   29  63.1 999.9   0  0.0  6.0 999 9999.9  30.13 99.9 99.9 99.9
202425405401GSLM4   29  63.1 999.9 180  1.0  1.9 999 9999.9  30.13 99.9 99.9 99.9
202425405501GSLM4   29  63.3 999.9   0  0.0  5.1 999 9999.9  30.13 99.9 99.9 99.9
202425406001GSLM4   29  63.3 999.9 200  2.9  7.0 999 9999.9  30.13 99.9 99.9 99.9
202425406101GSLM4   29  63.5 999.9 200  1.9  7.0 999 9999.9  30.13 99.9 99.9 99.9
202425406201GSLM4   29  63.5 999.9 200  1.9  6.0 999 9999.9  30.13 99.9 99.9 99.9
202425406301GSLM4   29  63.1 999.9 170  1.0  6.0 999 9999.9  30.13 99.9 99.9 99.9
202425406401GSLM4   29  63.1 999.9 200  1.9  5.1 999 9999.9  30.13 99.9 99.9 99.9
202425406501GSLM4   29  63.3 999.9 200  5.1  7.0 999 9999.9  30.13 99.9 99.9 99.9
202425407001GSLM4   29  63.5 999.9 200  2.9  7.0 999 9999.9  30.13 99.9 99.9 99.9
202425407101GSLM4   29  63.7 999.9 190  1.9  8.0 999 9999.9  30.13 99.9 99.9 99.9
202425407201GSLM4   29  63.7 999.9 190  1.9  5.1 999 9999.9  30.13 99.9 99.9 99.9
202425407301GSLM4   29  63.7 999.9   0  0.0  4.1 999 9999.9  30.13 99.9 99.9 99.9
202425407401GSLM4   29  63.7 999.9 190  1.9  6.0 999 9999.9  30.13 99.9 99.9 99.9
202425407501GSLM4   29  63.9 999.9 200  2.9  6.0 999 9999.9  30.13 99.9 99.9 99.9
202425408001GSLM4   29  64.0 999.9   0  0.0  4.1 999 9999.9  30.13 99.9 99.9 99.9
202425408101GSLM4   29  64.0 999.9   0  0.0  2.9 999 9999.9  30.13 99.9 99.9 99.9
202425408201GSLM4   29  64.0 999.9 210  1.9  7.0 999 9999.9  30.13 99.9 99.9 99.9
202425408301GSLM4   29  62.1 999.9 290  4.1  6.0 999 9999.9  30.13 99.9 99.9 99.9
202425408401GSLM4   29  61.5 999.9 280  4.1  5.1 999 9999.9  30.13 99.9 99.9 99.9
202425408501GSLM4   29  61.2 999.9 270  5.1  6.0 999 9999.9  30.14 99.9 99.9 99.9
202425409001GSLM4   29  61.2 999.9 270  4.1  5.1 999 9999.9  30.13 99.9 99.9 99.9
202425409101GSLM4   29  61.0 999.9 260  2.9  5.1 999 9999.9  30.13 99.9 99.9 99.9
202425409201GSLM4   29  61.2 999.9 270  2.9  4.1 999 9999.9  30.13 99.9 99.9 99.9
202425409301GSLM4   29  61.2 999.9 270  1.9  2.9 999 9999.9  30.13 99.9 99.9 99.9
202425409401GSLM4   29  61.2 999.9 270  1.9  2.9 999 9999.9  30.13 99.9 99.9 99.9
202425409501GSLM4   29  61.2 999.9 270  1.9  2.9 999 9999.9  30.13 99.9 99.9 99.9
202425410001GSLM4   29  61.3 999.9 270  1.9  2.9 999 9999.9  30.13 99.9 99.9 99.9
202425410101GSLM4   29  61.3 999.9 270  2.9  4.1 999 9999.9  30.13 99.9 99.9 99.9
202425410201GSLM4   29  61.3 999.9 280  4.1  4.1 999 9999.9  30.13 99.9 99.9 99.9
202425410301GSLM4   29  61.2 999.9 290  2.9  4.1 999 9999.9  30.13 99.9 99.9 99.9
202425410401GSLM4   29  61.0 999.9 290  2.9  4.1 999 9999.9  30.13 99.9 99.9 99.9
202425410501GSLM4   29  61.0 999.9 290  2.9  4.1 999 9999.9  30.13 99.9 99.9 99.9
202425411001GSLM4   29  61.2 999.9 280  2.9  4.1 999 9999.9  30.14 99.9 99.9 99.9
202425411101GSLM4   29  61.2 999.9 280  1.9  4.1 999 9999.9  30.14 99.9 99.9 99.9
202425411201GSLM4   29  61.3 999.9 280  1.0  2.9 999 9999.9  30.14 99.9 99.9 99.9
202425411301GSLM4   29  61.9 999.9 280  1.9  2.9 999 9999.9  30.15 99.9 99.9 99.9
202425411401GSLM4   29  62.2 999.9 280  1.9  2.9 999 9999.9  30.15 99.9 99.9 99.9
202425411501GSLM4   29  62.4 999.9 270  2.9  2.9 999 9999.9  30.16 99.9 99.9 99.9
202425412001GSLM4   29  62.1 999.9 260  2.9  2.9 999 9999.9  30.16 99.9 99.9 99.9
202425412101GSLM4   29  62.1 999.9 250  2.9  2.9 999 9999.9  30.16 99.9 99.9 99.9
202425412201GSLM4   29  62.2 999.9 250  2.9  4.1 999 9999.9  30.16 99.9 99.9 99.9
202425412301GSLM4   29  62.6 999.9 240  1.9  2.9 999 9999.9  30.16 99.9 99.9 99.9
202425412401GSLM4   29  62.1 999.9 240  2.9  2.9 999 9999.9  30.16 99.9 99.9 99.9
202425412501GSLM4   29  62.1 999.9 250  2.9  4.1 999 9999.9  30.16 99.9 99.9 99.9
202425413001GSLM4   29  62.2 999.9 260  2.9  4.1 999 9999.9  30.16 99.9 99.9 99.9
202425413101GSLM4   29  61.9 999.9 260  4.1  4.1 999 9999.9  30.16 99.9 99.9 99.9
202425413201GSLM4   29  61.7 999.9 250  4.1  5.1 999 9999.9  30.16 99.9 99.9 99.9
202425413301GSLM4   29  61.9 999.9 250  4.1  5.1 999 9999.9  30.16 99.9 99.9 99.9
202425413401GSLM4   29  62.1 999.9 250  2.9  4.1 999 9999.9  30.16 99.9 99.9 99.9
202425413501GSLM4   29  62.2 999.9 250  2.9  4.1 999 9999.9  30.17 99.9 99.9 99.9
202425414001GSLM4   29  62.1 999.9 250  4.1  5.1 999 9999.9  30.17 99.9 99.9 99.9
202425414101GSLM4   29  62.1 999.9 250  2.9  5.1 999 9999.9  30.17 99.9 99.9 99.9
202425414201GSLM4   29  62.4 999.9 230  2.9  4.1 999 9999.9  30.17 99.9 99.9 99.9
202425414301GSLM4   29  63.1 999.9 220  1.9  4.1 999 9999.9  30.17 99.9 99.9 99.9
202425414401GSLM4   29  63.5 999.9 220  1.9  2.9 999 9999.9  30.17 99.9 99.9 99.9
202425414501GSLM4   29  65.1 999.9   0  0.0  1.9 999 9999.9  30.17 99.9 99.9 99.9
202425415001GSLM4   29  67.3 999.9 160  1.0  2.9 999 9999.9  30.17 99.9 99.9 99.9
202425415101GSLM4   29  66.9 999.9 160  2.9  4.1 999 9999.9  30.17 99.9 99.9 99.9
202425415201GSLM4   29  65.5 999.9 150  4.1  6.0 999 9999.9  30.17 99.9 99.9 99.9
202425415301GSLM4   29  64.4 999.9 160  4.1  7.0 999 9999.9  30.17 99.9 99.9 99.9
202425415401GSLM4   29  64.4 999.9 150  2.9  7.0 999 9999.9  30.16 99.9 99.9 99.9
202425415501GSLM4   29  64.6 999.9 160  1.9  4.1 999 9999.9  30.16 99.9 99.9 99.9
202425416001GSLM4   29  64.9 999.9   0  0.0  5.1 999 9999.9  30.16 99.9 99.9 99.9
202425416101GSLM4   29  64.8 999.9 160  1.9  4.1 999 9999.9  30.16 99.9 99.9 99.9
202425416201GSLM4   29  64.9 999.9   0  0.0  2.9 999 9999.9  30.16 99.9 99.9 99.9
202425416301GSLM4   29  64.4 999.9   0  0.0  2.9 999 9999.9  30.16 99.9 99.9 99.9
202425416401GSLM4   29  64.6 999.9   0  0.0  5.1 999 9999.9  30.16 99.9 99.9 99.9
202425416501GSLM4   29  64.6 999.9 160  2.9  6.0 999 9999.9  30.16 99.9 99.9 99.9
202425417001GSLM4   29  64.9 999.9 160  1.9  5.1 999 9999.9  30.16 99.9 99.9 99.9
202425417101GSLM4   29  65.1 999.9 160  1.0  5.1 999 9999.9  30.15 99.9 99.9 99.9
202425417201GSLM4   29  65.5 999.9 160  1.0  4.1 999 9999.9  30.15 99.9 99.9 99.9
202425417301GSLM4   29  65.7 999.9 160  2.9  4.1 999 9999.9  30.15 99.9 99.9 99.9
202425417401GSLM4   29  66.2 999.9 150  2.9  5.1 999 9999.9  30.15 99.9 99.9 99.9
202425417501GSLM4   29  66.6 999.9 160  2.9  6.0 999 9999.9  30.15 99.9 99.9 99.9
202425418001GSLM4   29  67.1 999.9 160  4.1  5.1 999 9999.9  30.15 99.9 99.9 99.9
202425418101GSLM4   29  67.1 999.9 160  2.9  5.1 999 9999.9  30.14 99.9 99.9 99.9
202425418201GSLM4   29  67.5 999.9   0  0.0  4.1 999 9999.9  30.14 99.9 99.9 99.9
202425418301GSLM4   29  68.0 999.9 140  1.9  1.9 999 9999.9  30.14 99.9 99.9 99.9
202425418401GSLM4   29  68.4 999.9 160  2.9  4.1 999 9999.9  30.13 99.9 99.9 99.9
202425418501GSLM4   29  68.2 999.9 160  2.9  4.1 999 9999.9  30.13 99.9 99.9 99.9
202425419001GSLM4   29  68.0 999.9 150  4.1  4.1 999 9999.9  30.13 99.9 99.9 99.9
202425419101GSLM4   29  67.5 999.9 140  4.1  5.1 999 9999.9  30.13 99.9 99.9 99.9
202425419201GSLM4   29  67.8 999.9 150  5.1  5.1 999 9999.9  30.12 99.9 99.9 99.9
202425419301GSLM4   29  68.0 999.9 140  5.1  6.0 999 9999.9  30.12 99.9 99.9 99.9
202425419401GSLM4   29  68.4 999.9 130  4.1  5.1 999 9999.9  30.11 99.9 99.9 99.9
202425419501GSLM4   29  68.5 999.9 130  2.9  5.1 999 9999.9  30.12 99.9 99.9 99.9
202425420001GSLM4   29  68.5 999.9 130  4.1  4.1 999 9999.9  30.11 99.9 99.9 99.9
202425420101GSLM4   29  68.7 999.9 140  2.9  4.1 999 9999.9  30.11 99.9 99.9 99.9
202425420201GSLM4   29  68.9 999.9 130  2.9  2.9 999 9999.9  30.11 99.9 99.9 99.9
202425420301GSLM4   29  69.1 999.9 120  4.1  4.1 999 9999.9  30.11 99.9 99.9 99.9
202425420401GSLM4   29  69.6 999.9 130  2.9  4.1 999 9999.9  30.11 99.9 99.9 99.9
202425420501GSLM4   29  70.0 999.9 140  2.9  2.9 999 9999.9  30.11 99.9 99.9 99.9
202425421001GSLM4   29  70.2 999.9 130  2.9  2.9 999 9999.9  30.11 99.9 99.9 99.9
202425421101GSLM4   29  70.2 999.9 110  2.9  2.9 999 9999.9  30.10 99.9 99.9 99.9
202425421201GSLM4   29  70.5 999.9 110  2.9  4.1 999 9999.9  30.10 99.9 99.9 99.9
202425421301GSLM4   29  69.8 999.9  90  6.0  7.0 999 9999.9  30.10 99.9 99.9 99.9
202425421401GSLM4   29  69.4 999.9  90  8.0  9.9 999 9999.9  30.10 99.9 99.9 99.9
202425421501GSLM4   29  69.3 999.9  90  8.0  8.9 999 9999.9  30.10 99.9 99.9 99.9
202425422001GSLM4   29  68.4 999.9  90  8.9  8.9 999 9999.9  30.10 99.9 99.9 99.9
202425422101GSLM4   29  68.4 999.9  80  8.0  8.9 999 9999.9  30.09 99.9 99.9 99.9
202425422201GSLM4   29  68.4 999.9  80  8.0  8.9 999 9999.9  30.10 99.9 99.9 99.9
202425422301GSLM4   29  68.4 999.9  80  8.9  9.9 999 9999.9  30.10 99.9 99.9 99.9
202425422401GSLM4   29  68.7 999.9  90  8.9  9.9 999 9999.9  30.09 99.9 99.9 99.9
202425422501GSLM4   29  68.4 999.9  80  8.9  8.9 999 9999.9  30.10 99.9 99.9 99.9
202425423001GSLM4   29  68.5 999.9  80  8.0  8.9 999 9999.9  30.10 99.9 99.9 99.9
202425423101GSLM4   29  68.4 999.9  80  9.9 11.1 999 9999.9  30.09 99.9 99.9 99.9
202425423201GSLM4   29  68.4 999.9  90  9.9 11.1 999 9999.9  30.09 99.9 99.9 99.9
202425423301GSLM4   29  68.4 999.9  90  9.9 11.1 999 9999.9  30.08 99.9 99.9 99.9
202425423401GSLM4   29  68.7 999.9  90  9.9 11.1 999 9999.9  30.08 99.9 99.9 99.9
202425423501GSLM4   29  68.9 999.9  90 11.1 12.1 999 9999.9  30.08 99.9 99.9 99.9
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144 matching elements
0.062 sec
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