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: 0703 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 (076)
 (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   N     W     -------GMT-              TMP   PT  DIR  SPD  GST CVR  RAD    PRES   TMP  HGT  PER  LAT   LON    YYYYDDDHHMM#ID            F     F  Deg  kts  kts  %   W/m2   inHg    F    ft   s  d.deg d.deg   202607600001OTNM4 09 17.8 999.9 30 13.0 23.9 999 9999.9 29.90 99.9 99.9 99.9 202607600101OTNM4 09 17.6 999.9 40 11.1 22.0 999 9999.9 29.91 99.9 99.9 99.9 202607600201OTNM4 09 18.0 999.9 30 12.1 21.0 999 9999.9 29.91 99.9 99.9 99.9 202607600301OTNM4 09 17.8 999.9 20 14.0 20.0 999 9999.9 29.90 99.9 99.9 99.9 202607600401OTNM4 09 17.8 999.9 30 14.0 22.0 999 9999.9 29.90 99.9 99.9 99.9 202607600501OTNM4 09 17.8 999.9 40 14.0 23.9 999 9999.9 29.91 99.9 99.9 99.9 202607601001OTNM4 09 17.8 999.9 30 14.0 22.0 999 9999.9 29.91 99.9 99.9 99.9 202607601101OTNM4 09 17.6 999.9 10 13.0 21.0 999 9999.9 29.90 99.9 99.9 99.9 202607601201OTNM4 09 18.0 999.9 30 14.0 23.9 999 9999.9 29.91 99.9 99.9 99.9 202607601301OTNM4 09 18.0 999.9 10 15.0 22.9 999 9999.9 29.91 99.9 99.9 99.9 202607601401OTNM4 09 17.6 999.9 30 13.0 21.0 999 9999.9 29.91 99.9 99.9 99.9 202607601501OTNM4 09 17.4 999.9 20 13.0 21.0 999 9999.9 29.91 99.9 99.9 99.9 202607602001OTNM4 09 17.2 999.9 30 15.0 22.9 999 9999.9 29.91 99.9 99.9 99.9 202607602101OTNM4 09 17.4 999.9 40 13.0 22.9 999 9999.9 29.91 99.9 99.9 99.9 202607602201OTNM4 09 17.4 999.9 20 14.0 22.9 999 9999.9 29.91 99.9 99.9 99.9 202607602301OTNM4 09 17.2 999.9 30 13.0 20.0 999 9999.9 29.91 99.9 99.9 99.9 202607602401OTNM4 09 17.6 999.9 10 16.9 23.9 999 9999.9 29.91 99.9 99.9 99.9 202607602501OTNM4 09 17.1 999.9 30 15.9 22.9 999 9999.9 29.91 99.9 99.9 99.9 202607603001OTNM4 09 17.1 999.9 20 14.0 26.0 999 9999.9 29.92 99.9 99.9 99.9 202607603101OTNM4 09 16.9 999.9 30 15.0 22.0 999 9999.9 29.91 99.9 99.9 99.9 202607603201OTNM4 09 16.7 999.9 20 14.0 27.0 999 9999.9 29.91 99.9 99.9 99.9 202607603301OTNM4 09 16.5 999.9 20 15.9 21.0 999 9999.9 29.91 99.9 99.9 99.9 202607603401OTNM4 09 16.7 999.9 20 12.1 22.0 999 9999.9 29.92 99.9 99.9 99.9 202607603501OTNM4 09 16.0 999.9 30 15.9 23.9 999 9999.9 29.92 99.9 99.9 99.9 202607604001OTNM4 09 16.0 999.9 20 15.0 22.0 999 9999.9 29.92 99.9 99.9 99.9 202607604101OTNM4 09 999.9 999.9 30 16.9 20.0 999 9999.9 29.92 99.9 99.9 99.9 202607604201OTNM4 09 15.8 999.9 30 14.0 99.9 999 9999.9 29.91 99.9 99.9 99.9 202607604301OTNM4 09 15.6 999.9 20 15.9 22.9 999 9999.9 29.91 99.9 99.9 99.9 202607604401OTNM4 09 15.6 999.9 30 12.1 22.0 999 9999.9 29.91 99.9 99.9 99.9 202607604501OTNM4 09 15.8 999.9 20 14.0 22.0 999 9999.9 29.92 99.9 99.9 99.9 202607605001OTNM4 09 15.4 999.9 30 16.9 23.9 999 9999.9 29.92 99.9 99.9 99.9 202607605101OTNM4 09 15.3 999.9 30 12.1 19.0 999 9999.9 29.92 99.9 99.9 99.9 202607605201OTNM4 09 15.3 999.9 20 12.1 20.0 999 9999.9 29.92 99.9 99.9 99.9 202607605301OTNM4 09 15.4 999.9 20 14.0 22.0 999 9999.9 29.93 99.9 99.9 99.9 202607605401OTNM4 09 15.3 999.9 40 8.0 20.0 999 9999.9 29.93 99.9 99.9 99.9 202607605501OTNM4 09 15.1 999.9 30 13.0 19.0 999 9999.9 29.94 99.9 99.9 99.9
  New Graph (click on parameter):                                      
  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
google chart
36 matching elements
0.012 sec

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