Skip to main content

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: 0543 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 (062)
 (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 202403100001OTNM4 09 34.9 999.9 290 5.1 7.0 999 9999.9 29.99 99.9 99.9 99.9 202403100101OTNM4 09 34.9 999.9 290 4.1 7.0 999 9999.9 29.99 99.9 99.9 99.9 202403100201OTNM4 09 34.9 999.9 270 2.9 6.0 999 9999.9 29.99 99.9 99.9 99.9 202403100301OTNM4 09 35.1 999.9 270 2.9 6.0 999 9999.9 29.99 99.9 99.9 99.9 202403100401OTNM4 09 35.2 999.9 270 4.1 5.1 999 9999.9 29.99 99.9 99.9 99.9 202403100501OTNM4 09 35.2 999.9 280 5.1 8.0 999 9999.9 29.99 99.9 99.9 99.9 202403101001OTNM4 09 35.2 999.9 280 5.1 8.0 999 9999.9 29.98 99.9 99.9 99.9 202403101101OTNM4 09 35.2 999.9 280 2.9 6.0 999 9999.9 29.98 99.9 99.9 99.9 202403101201OTNM4 09 35.4 999.9 280 5.1 8.0 999 9999.9 29.99 99.9 99.9 99.9 202403101301OTNM4 09 35.2 999.9 250 2.9 7.0 999 9999.9 29.98 99.9 99.9 99.9 202403101401OTNM4 09 35.2 999.9 270 4.1 6.0 999 9999.9 29.98 99.9 99.9 99.9 202403101501OTNM4 09 35.2 999.9 250 4.1 7.0 999 9999.9 29.98 99.9 99.9 99.9 202403102001OTNM4 09 35.2 999.9 260 4.1 6.0 999 9999.9 29.97 99.9 99.9 99.9 202403102101OTNM4 09 35.1 999.9 250 1.9 7.0 999 9999.9 29.98 99.9 99.9 99.9 202403102201OTNM4 09 35.1 999.9 230 5.1 7.0 999 9999.9 29.97 99.9 99.9 99.9 202403102301OTNM4 09 35.1 999.9 230 4.1 7.0 999 9999.9 29.97 99.9 99.9 99.9 202403102401OTNM4 09 35.1 999.9 260 4.1 7.0 999 9999.9 29.97 99.9 99.9 99.9 202403102501OTNM4 09 34.9 999.9 280 1.0 5.1 999 9999.9 29.98 99.9 99.9 99.9 202403103001OTNM4 09 34.9 999.9 280 1.9 4.1 999 9999.9 29.98 99.9 99.9 99.9 202403103101OTNM4 09 35.1 999.9 260 5.1 8.9 999 9999.9 29.98 99.9 99.9 99.9 202403103201OTNM4 09 35.1 999.9 240 5.1 8.0 999 9999.9 29.97 99.9 99.9 99.9 202403103301OTNM4 09 34.9 999.9 260 4.1 6.0 999 9999.9 29.97 99.9 99.9 99.9 202403103401OTNM4 09 34.9 999.9 260 1.9 6.0 999 9999.9 29.97 99.9 99.9 99.9 202403103501OTNM4 09 34.9 999.9 250 2.9 6.0 999 9999.9 29.97 99.9 99.9 99.9 202403104001OTNM4 09 34.9 999.9 260 2.9 6.0 999 9999.9 29.97 99.9 99.9 99.9 202403104101OTNM4 09 34.7 999.9 250 2.9 6.0 999 9999.9 29.97 99.9 99.9 99.9 202403104201OTNM4 09 34.9 999.9 250 2.9 7.0 999 9999.9 29.97 99.9 99.9 99.9 202403104301OTNM4 09 34.9 999.9 240 4.1 6.0 999 9999.9 29.97 99.9 99.9 99.9 202403104401OTNM4 09 35.1 999.9 260 4.1 8.0 999 9999.9 29.97 99.9 99.9 99.9 202403104501OTNM4 09 35.1 999.9 250 2.9 7.0 999 9999.9 29.97 99.9 99.9 99.9 202403105001OTNM4 09 35.1 999.9 240 4.1 7.0 999 9999.9 29.97 99.9 99.9 99.9 202403105101OTNM4 09 35.1 999.9 240 5.1 8.0 999 9999.9 29.97 99.9 99.9 99.9 202403105201OTNM4 09 35.1 999.9 220 6.0 8.0 999 9999.9 29.96 99.9 99.9 99.9 202403105301OTNM4 09 34.7 999.9 230 6.0 8.0 999 9999.9 29.96 99.9 99.9 99.9 202403105401OTNM4 09 34.7 999.9 220 6.0 99.9 999 9999.9 29.96 99.9 99.9 99.9 202403105501OTNM4 09 34.3 999.9 220 7.0 9.9 999 9999.9 29.95 99.9 99.9 99.9 202403106001OTNM4 09 34.2 999.9 230 6.0 8.0 999 9999.9 29.95 99.9 99.9 99.9 202403106101OTNM4 09 34.0 999.9 220 5.1 9.9 999 9999.9 29.95 99.9 99.9 99.9 202403106201OTNM4 09 33.6 999.9 210 5.1 8.0 999 9999.9 29.94 99.9 99.9 99.9 202403106301OTNM4 09 33.8 999.9 220 6.0 7.0 999 9999.9 29.93 99.9 99.9 99.9 202403106401OTNM4 09 33.6 999.9 210 5.1 7.0 999 9999.9 29.93 99.9 99.9 99.9 202403106501OTNM4 09 33.6 999.9 210 5.1 8.9 999 9999.9 29.93 99.9 99.9 99.9 202403107001OTNM4 09 33.4 999.9 220 4.1 7.0 999 9999.9 29.94 99.9 99.9 99.9 202403107101OTNM4 09 33.3 999.9 220 4.1 7.0 999 9999.9 29.94 99.9 99.9 99.9 202403107201OTNM4 09 32.9 999.9 230 4.1 7.0 999 9999.9 29.94 99.9 99.9 99.9 202403107301OTNM4 09 32.7 999.9 220 99.9 99.9 999 9999.9 29.93 99.9 99.9 99.9 202403107401OTNM4 09 32.5 999.9 210 5.1 8.0 999 9999.9 29.92 99.9 99.9 99.9 202403107501OTNM4 09 32.7 999.9 210 5.1 8.0 999 9999.9 29.93 99.9 99.9 99.9 202403108001OTNM4 09 32.7 999.9 210 6.0 8.9 999 9999.9 29.93 99.9 99.9 99.9 202403108101OTNM4 09 32.7 999.9 210 5.1 99.9 999 9999.9 29.94 99.9 99.9 99.9 202403108201OTNM4 09 32.7 999.9 210 6.0 8.9 999 9999.9 29.94 99.9 99.9 99.9 202403108301OTNM4 09 32.7 999.9 210 5.1 99.9 999 9999.9 29.93 99.9 99.9 99.9 202403108401OTNM4 09 32.7 999.9 210 6.0 11.1 999 9999.9 29.92 99.9 99.9 99.9 202403108501OTNM4 09 32.9 999.9 210 5.1 8.9 999 9999.9 29.92 99.9 99.9 99.9 202403109001OTNM4 09 32.9 999.9 200 6.0 8.9 999 9999.9 29.90 99.9 99.9 99.9 202403109101OTNM4 09 32.9 999.9 210 6.0 12.1 999 9999.9 29.90 99.9 99.9 99.9 202403109201OTNM4 09 33.3 999.9 210 7.0 11.1 999 9999.9 29.89 99.9 99.9 99.9 202403109301OTNM4 09 33.3 999.9 210 6.0 11.1 999 9999.9 29.89 99.9 99.9 99.9 202403109401OTNM4 09 33.3 999.9 200 6.0 9.9 999 9999.9 29.89 99.9 99.9 99.9 202403109501OTNM4 09 33.4 999.9 200 6.0 12.1 999 9999.9 29.88 99.9 99.9 99.9 202403110001OTNM4 09 33.8 999.9 210 6.0 9.9 999 9999.9 29.88 99.9 99.9 99.9 202403110101OTNM4 09 34.0 999.9 220 6.0 9.9 999 9999.9 29.87 99.9 99.9 99.9 202403110201OTNM4 09 34.0 999.9 220 5.1 8.9 999 9999.9 29.87 99.9 99.9 99.9 202403110301OTNM4 09 34.2 999.9 210 7.0 9.9 999 9999.9 29.87 99.9 99.9 99.9 202403110401OTNM4 09 34.2 999.9 210 4.1 8.9 999 9999.9 29.86 99.9 99.9 99.9 202403110501OTNM4 09 34.7 999.9 210 6.0 8.9 999 9999.9 29.86 99.9 99.9 99.9 202403111001OTNM4 09 34.9 999.9 210 99.9 99.9 999 9999.9 29.86 99.9 99.9 99.9 202403111101OTNM4 09 34.9 999.9 210 4.1 8.9 999 9999.9 29.86 99.9 99.9 99.9 202403111201OTNM4 09 35.1 999.9 220 5.1 8.9 999 9999.9 29.86 99.9 99.9 99.9 202403111301OTNM4 09 999.9 999.9 210 5.1 9.9 999 9999.9 29.85 99.9 99.9 99.9 202403111401OTNM4 09 35.1 999.9 200 5.1 8.9 999 9999.9 29.85 99.9 99.9 99.9 202403111501OTNM4 09 35.2 999.9 210 6.0 99.9 999 9999.9 29.85 99.9 99.9 99.9 202403112001OTNM4 09 35.2 999.9 210 4.1 8.9 999 9999.9 29.85 99.9 99.9 99.9 202403112101OTNM4 09 35.2 999.9 210 5.1 8.0 999 9999.9 29.85 99.9 99.9 99.9 202403112201OTNM4 09 35.4 999.9 210 6.0 8.9 999 9999.9 29.84 99.9 99.9 99.9 202403112301OTNM4 09 35.6 999.9 210 7.0 9.9 999 9999.9 29.84 99.9 99.9 99.9 202403112401OTNM4 09 35.6 999.9 210 6.0 8.9 999 9999.9 29.84 99.9 99.9 99.9 202403112501OTNM4 09 35.4 999.9 210 6.0 9.9 999 9999.9 29.84 99.9 99.9 99.9 202403113001OTNM4 09 35.4 999.9 210 6.0 8.9 999 9999.9 29.83 99.9 99.9 99.9 202403113101OTNM4 09 35.6 999.9 210 7.0 11.1 999 9999.9 29.83 99.9 99.9 99.9 202403113201OTNM4 09 35.6 999.9 210 7.0 9.9 999 9999.9 29.83 99.9 99.9 99.9 202403113301OTNM4 09 35.6 999.9 210 7.0 12.1 999 9999.9 29.82 99.9 99.9 99.9 202403113401OTNM4 09 35.6 999.9 210 6.0 8.9 999 9999.9 29.82 99.9 99.9 99.9 202403113501OTNM4 09 36.0 999.9 220 7.0 9.9 999 9999.9 29.83 99.9 99.9 99.9 202403114001OTNM4 09 36.1 999.9 220 6.0 8.9 999 9999.9 29.82 99.9 99.9 99.9 202403114101OTNM4 09 36.7 999.9 210 6.0 8.9 999 9999.9 29.82 99.9 99.9 99.9 202403114201OTNM4 09 37.6 999.9 210 5.1 9.9 999 9999.9 29.81 99.9 99.9 99.9 202403114301OTNM4 09 38.7 999.9 220 6.0 13.0 999 9999.9 29.81 99.9 99.9 99.9 202403114401OTNM4 09 39.6 999.9 230 7.0 13.0 999 9999.9 29.81 99.9 99.9 99.9 202403114501OTNM4 09 999.9 999.9 260 5.1 8.9 999 9999.9 29.82 99.9 99.9 99.9 202403115001OTNM4 09 41.2 999.9 250 6.0 9.9 999 9999.9 29.81 99.9 99.9 99.9 202403115101OTNM4 09 999.9 999.9 270 6.0 13.0 999 9999.9 29.82 99.9 99.9 99.9 202403115201OTNM4 09 999.9 999.9 270 6.0 11.1 999 9999.9 29.82 99.9 99.9 99.9 202403115301OTNM4 09 41.2 999.9 280 6.0 11.1 999 9999.9 29.82 99.9 99.9 99.9 202403115401OTNM4 09 38.5 999.9 320 7.0 11.1 999 9999.9 29.83 99.9 99.9 99.9 202403115501OTNM4 09 37.9 999.9 300 9.9 14.0 999 9999.9 29.82 99.9 99.9 99.9 202403116001OTNM4 09 37.2 999.9 300 9.9 14.0 999 9999.9 29.82 99.9 99.9 99.9 202403116101OTNM4 09 37.6 999.9 300 11.1 16.9 999 9999.9 29.81 99.9 99.9 99.9 202403116201OTNM4 09 37.6 999.9 300 12.1 15.9 999 9999.9 29.82 99.9 99.9 99.9 202403116301OTNM4 09 37.2 999.9 290 11.1 21.0 999 9999.9 29.81 99.9 99.9 99.9 202403116401OTNM4 09 37.2 999.9 300 13.0 16.9 999 9999.9 29.82 99.9 99.9 99.9 202403116501OTNM4 09 37.2 999.9 310 13.0 18.1 999 9999.9 29.82 99.9 99.9 99.9 202403117001OTNM4 09 37.4 999.9 310 14.0 21.0 999 9999.9 29.81 99.9 99.9 99.9 202403117101OTNM4 09 37.4 999.9 300 12.1 23.9 999 9999.9 29.82 99.9 99.9 99.9 202403117201OTNM4 09 37.6 999.9 310 13.0 19.0 999 9999.9 29.82 99.9 99.9 99.9 202403117301OTNM4 09 37.4 999.9 320 19.0 23.9 999 9999.9 29.80 99.9 99.9 99.9 202403117401OTNM4 09 37.6 999.9 310 16.9 22.9 999 9999.9 29.81 99.9 99.9 99.9 202403117501OTNM4 09 37.8 999.9 310 15.9 26.0 999 9999.9 29.81 99.9 99.9 99.9 202403118001OTNM4 09 38.3 999.9 310 18.1 26.0 999 9999.9 29.81 99.9 99.9 99.9 202403118101OTNM4 09 38.5 999.9 310 15.0 22.9 999 9999.9 29.82 99.9 99.9 99.9 202403118201OTNM4 09 38.7 999.9 310 14.0 22.0 999 9999.9 29.82 99.9 99.9 99.9 202403118301OTNM4 09 38.5 999.9 310 15.0 19.0 999 9999.9 29.81 99.9 99.9 99.9 202403118401OTNM4 09 38.7 999.9 310 13.0 22.0 999 9999.9 29.81 99.9 99.9 99.9 202403118501OTNM4 09 38.5 999.9 300 11.1 16.9 999 9999.9 29.81 99.9 99.9 99.9 202403119001OTNM4 09 38.7 999.9 310 9.9 18.1 999 9999.9 29.81 99.9 99.9 99.9 202403119101OTNM4 09 38.5 999.9 300 12.1 18.1 999 9999.9 29.81 99.9 99.9 99.9 202403119201OTNM4 09 38.5 999.9 300 9.9 15.9 999 9999.9 29.80 99.9 99.9 99.9 202403119301OTNM4 09 38.1 999.9 300 9.9 15.0 999 9999.9 29.80 99.9 99.9 99.9 202403119401OTNM4 09 38.3 999.9 300 9.9 15.0 999 9999.9 29.80 99.9 99.9 99.9 202403119501OTNM4 09 37.9 999.9 310 8.9 15.0 999 9999.9 29.80 99.9 99.9 99.9 202403120001OTNM4 09 37.9 999.9 300 8.9 15.9 999 9999.9 29.80 99.9 99.9 99.9 202403120001OTNM4 09 37.9 999.9 300 8.9 15.9 999 9999.9 29.80 99.9 99.9 99.9 202403120101OTNM4 09 37.8 999.9 300 11.1 18.1 999 9999.9 29.80 99.9 99.9 99.9 202403120101OTNM4 09 37.8 999.9 300 11.1 18.1 999 9999.9 29.80 99.9 99.9 99.9 202403120201OTNM4 09 38.1 999.9 300 8.9 16.9 999 9999.9 29.80 99.9 99.9 99.9 202403120201OTNM4 09 38.1 999.9 300 8.9 17.1 999 9999.9 29.80 99.9 99.9 99.9 202403120301OTNM4 09 37.6 999.9 310 8.9 13.0 999 9999.9 29.79 99.9 99.9 99.9 202403120301OTNM4 09 37.6 999.9 310 8.9 13.0 999 9999.9 29.79 99.9 99.9 99.9 202403120401OTNM4 09 37.6 999.9 300 11.1 15.9 999 9999.9 29.79 99.9 99.9 99.9 202403120401OTNM4 09 37.6 999.9 300 11.1 15.9 999 9999.9 29.79 99.9 99.9 99.9 202403120501OTNM4 09 37.8 999.9 300 8.9 15.9 999 9999.9 29.79 99.9 99.9 99.9 202403120501OTNM4 09 37.8 999.9 300 8.9 15.9 999 9999.9 29.79 99.9 99.9 99.9 202403122001OTNM4 09 999.9 999.9 300 4.1 7.0 999 9999.9 29.79 99.9 99.9 99.9 202403122101OTNM4 09 39.7 999.9 300 4.1 7.0 999 9999.9 29.79 99.9 99.9 99.9 202403122201OTNM4 09 39.4 999.9 300 5.1 99.9 999 9999.9 29.79 99.9 99.9 99.9 202403122301OTNM4 09 39.7 999.9 280 1.9 7.0 999 9999.9 29.79 99.9 99.9 99.9 202403122401OTNM4 09 40.1 999.9 270 4.1 7.0 999 9999.9 29.78 99.9 99.9 99.9 202403122501OTNM4 09 40.3 999.9 240 2.9 5.1 999 9999.9 29.78 99.9 99.9 99.9 202403123001OTNM4 09 39.9 999.9 210 1.9 4.1 999 9999.9 29.78 99.9 99.9 99.9 202403123101OTNM4 09 39.0 999.9 210 1.9 1.9 999 9999.9 29.78 99.9 99.9 99.9 202403123201OTNM4 09 38.1 999.9 210 1.0 1.9 999 9999.9 29.77 99.9 99.9 99.9 202403123301OTNM4 09 36.5 999.9 220 1.9 1.9 999 9999.9 29.78 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 3rd data value plotted]
142 matching elements
0.044 sec

This Web page created and maintained by Greg Lang, NOAA/GLERL,
[Return to NOAAPORT page]