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Realtime Great Lakes Weather Data and Marine Observations

 OTNM4: NWS Ontonagon MI                                  
CMAN Station
Lat: 46.87°, Lon: -89.33°
Elevation: 186 m
Anemometer Height: 10 m
Related Site: NDBC

Current Time: 1246 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 (108)
 (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
202510800001OTNM4   09  51.3 999.9 280  8.0 13.0 999 9999.9  29.66 99.9 99.9 99.9
202510800101OTNM4   09  51.3 999.9 280 99.9 99.9 999 9999.9  29.68 99.9 99.9 99.9
202510800201OTNM4   09  50.9 999.9 240  1.9  6.0 999 9999.9  29.68 99.9 99.9 99.9
202510800301OTNM4   09  50.0 999.9 220  1.9  5.1 999 9999.9  29.67 99.9 99.9 99.9
202510800401OTNM4   09  48.9 999.9 170  2.9  4.1 999 9999.9  29.66 99.9 99.9 99.9
202510800501OTNM4   09  48.9 999.9 160  1.9  4.1 999 9999.9  29.66 99.9 99.9 99.9
202510801001OTNM4   09  48.9 999.9 150  1.9 99.9 999 9999.9  29.66 99.9 99.9 99.9
202510801101OTNM4   09  48.6 999.9 100  1.9  4.1 999 9999.9  29.66 99.9 99.9 99.9
202510801201OTNM4   09  48.6 999.9 130  2.9  4.1 999 9999.9  29.65 99.9 99.9 99.9
202510801301OTNM4   09  48.2 999.9 100  1.9  5.1 999 9999.9  29.65 99.9 99.9 99.9
202510801401OTNM4   09  48.0 999.9 130  4.1  6.0 999 9999.9  29.64 99.9 99.9 99.9
202510801501OTNM4   09  47.7 999.9 100  1.9  6.0 999 9999.9  29.65 99.9 99.9 99.9
202510802001OTNM4   09  47.5 999.9  60  1.9  4.1 999 9999.9  29.65 99.9 99.9 99.9
202510802101OTNM4   09  47.3 999.9 140  5.1  6.0 999 9999.9  29.64 99.9 99.9 99.9
202510802201OTNM4   09  47.1 999.9 170  4.1  7.0 999 9999.9  29.65 99.9 99.9 99.9
202510802301OTNM4   09  47.1 999.9 140  1.9  4.1 999 9999.9  29.64 99.9 99.9 99.9
202510802401OTNM4   09  46.9 999.9 140  2.9  5.1 999 9999.9  29.64 99.9 99.9 99.9
202510802501OTNM4   09  46.9 999.9 100  1.9  2.9 999 9999.9  29.64 99.9 99.9 99.9
202510803001OTNM4   09  46.9 999.9 100  2.9  4.1 999 9999.9  29.64 99.9 99.9 99.9
202510803101OTNM4   09  47.1 999.9 120  4.1  5.1 999 9999.9  29.63 99.9 99.9 99.9
202510803201OTNM4   09  47.1 999.9 130  4.1  6.0 999 9999.9  29.62 99.9 99.9 99.9
202510803301OTNM4   09  47.1 999.9 120  2.9  6.0 999 9999.9  29.62 99.9 99.9 99.9
202510803401OTNM4   09  46.9 999.9 110  1.9 99.9 999 9999.9  29.62 99.9 99.9 99.9
202510803501OTNM4   09  46.9 999.9 110  2.9  4.1 999 9999.9  29.62 99.9 99.9 99.9
202510804001OTNM4   09  46.8 999.9 120  1.9  4.1 999 9999.9  29.62 99.9 99.9 99.9
202510804101OTNM4   09  46.6 999.9  60  1.0  2.9 999 9999.9  29.62 99.9 99.9 99.9
202510804201OTNM4   09  45.0 999.9  60  1.9  4.1 999 9999.9  29.61 99.9 99.9 99.9
202510804301OTNM4   09  45.1 999.9  90  1.9  5.1 999 9999.9  29.61 99.9 99.9 99.9
202510804401OTNM4   09  45.9 999.9 110  1.9  4.1 999 9999.9  29.61 99.9 99.9 99.9
202510804501OTNM4   09  46.2 999.9 110  2.9  4.1 999 9999.9  29.61 99.9 99.9 99.9
202510805001OTNM4   09  46.0 999.9 100  1.0  4.1 999 9999.9  29.61 99.9 99.9 99.9
202510805101OTNM4   09  46.6 999.9 130  4.1  4.1 999 9999.9  29.60 99.9 99.9 99.9
202510805201OTNM4   09  46.8 999.9 130  2.9  6.0 999 9999.9  29.59 99.9 99.9 99.9
202510805301OTNM4   09  46.8 999.9 120  2.9  4.1 999 9999.9  29.59 99.9 99.9 99.9
202510805401OTNM4   09  42.4 999.9  20  9.9 15.0 999 9999.9  29.62 99.9 99.9 99.9
202510805501OTNM4   09  43.5 999.9  80  4.1  8.9 999 9999.9  29.61 99.9 99.9 99.9
202510806001OTNM4   09  44.1 999.9 100  1.0  6.0 999 9999.9  29.60 99.9 99.9 99.9
202510806101OTNM4   09  44.6 999.9  90  1.9  2.9 999 9999.9  29.59 99.9 99.9 99.9
202510806201OTNM4   09  44.8 999.9   0  0.0  5.1 999 9999.9  29.59 99.9 99.9 99.9
202510806301OTNM4   09  44.8 999.9   0  0.0  2.9 999 9999.9  29.60 99.9 99.9 99.9
202510806401OTNM4   09  45.0 999.9   0  0.0  1.9 999 9999.9  29.60 99.9 99.9 99.9
202510806501OTNM4   09  45.1 999.9 150  1.0  1.0 999 9999.9  29.60 99.9 99.9 99.9
202510807001OTNM4   09  45.3 999.9 160  1.9  1.9 999 9999.9  29.60 99.9 99.9 99.9
202510807101OTNM4   09  45.7 999.9 160  1.9  1.9 999 9999.9  29.59 99.9 99.9 99.9
202510807201OTNM4   09  45.9 999.9 170  2.9  4.1 999 9999.9  29.58 99.9 99.9 99.9
202510807301OTNM4   09  45.5 999.9 180  4.1  5.1 999 9999.9  29.58 99.9 99.9 99.9
202510807401OTNM4   09  46.0 999.9 180  5.1  6.0 999 9999.9  29.58 99.9 99.9 99.9
202510807501OTNM4   09  46.2 999.9 180  5.1  6.0 999 9999.9  29.58 99.9 99.9 99.9
202510808001OTNM4   09  46.6 999.9 200  2.9  6.0 999 9999.9  29.57 99.9 99.9 99.9
202510808101OTNM4   09  46.6 999.9 190  1.9  4.1 999 9999.9  29.57 99.9 99.9 99.9
202510808201OTNM4   09 999.9 999.9 220  1.9  4.1 999 9999.9  29.58 99.9 99.9 99.9
202510808301OTNM4   09  46.8 999.9 220  1.9  5.1 999 9999.9  29.58 99.9 99.9 99.9
202510808401OTNM4   09  46.2 999.9 210  1.9  4.1 999 9999.9  29.57 99.9 99.9 99.9
202510808501OTNM4   09  46.6 999.9 220  1.9  4.1 999 9999.9  29.57 99.9 99.9 99.9
202510809001OTNM4   09  46.8 999.9 350  1.9  5.1 999 9999.9  29.57 99.9 99.9 99.9
202510809101OTNM4   09  41.4 999.9 350  6.0 12.1 999 9999.9  29.57 99.9 99.9 99.9
202510809201OTNM4   09  38.5 999.9  30  7.0  9.9 999 9999.9  29.57 99.9 99.9 99.9
202510809301OTNM4   09  38.8 999.9  40  4.1  8.0 999 9999.9  29.58 99.9 99.9 99.9
202510809401OTNM4   09  39.0 999.9  30  5.1  7.0 999 9999.9  29.58 99.9 99.9 99.9
202510809501OTNM4   09  39.2 999.9  60  4.1  8.0 999 9999.9  29.58 99.9 99.9 99.9
202510810001OTNM4   09  39.2 999.9  50  2.9  7.0 999 9999.9  29.58 99.9 99.9 99.9
202510810101OTNM4   09  38.7 999.9  40  2.9  7.0 999 9999.9  29.59 99.9 99.9 99.9
202510810201OTNM4   09  39.2 999.9   0  0.0  4.1 999 9999.9  29.60 99.9 99.9 99.9
202510810301OTNM4   09  39.6 999.9  70  2.9  4.1 999 9999.9  29.59 99.9 99.9 99.9
202510810401OTNM4   09  39.2 999.9  20  4.1  6.0 999 9999.9  29.60 99.9 99.9 99.9
202510810501OTNM4   09  39.4 999.9   0  0.0  4.1 999 9999.9  29.62 99.9 99.9 99.9
202510811001OTNM4   09  38.8 999.9  30  1.9  2.9 999 9999.9  29.61 99.9 99.9 99.9
202510811101OTNM4   09  39.0 999.9 340  2.9  4.1 999 9999.9  29.62 99.9 99.9 99.9
202510811201OTNM4   09  38.7 999.9 300  2.9  4.1 999 9999.9  29.62 99.9 99.9 99.9
202510811301OTNM4   09  38.7 999.9 320  5.1  6.0 999 9999.9  29.62 99.9 99.9 99.9
202510811401OTNM4   09  38.8 999.9 290  4.1  6.0 999 9999.9  29.63 99.9 99.9 99.9
202510811501OTNM4   09  38.8 999.9 300  6.0  8.0 999 9999.9  29.63 99.9 99.9 99.9
  New Graph (click on parameter):                                      
  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
google chart
  [every 2nd value plotted]
72 matching elements
0.020 sec
This Web page created and maintained by Greg Lang, NOAA/GLERL,
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