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Realtime Great Lakes Weather Data and Marine Observations

 SWPM4: NOS S.W. Pier MI                                  
CMAN Station
Lat: 46.50°, Lon: -84.37°
Elevation: 186 m
Anemometer Height: 9 m
Related Site: NDBC

Current Time: 1014 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 (254)
 (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            C     C  Deg  m/s  m/s  %   W/m2    mb     C    m    s
202425400001SWPM4   09  16.9 999.9 300  2.1  3.6 999 9999.9 1017.7 18.3 99.9 99.9             
202425400061SWPM4   09  16.8 999.9 290  2.1  3.1 999 9999.9 1017.7 18.3 99.9 99.9             
202425400121SWPM4   09  16.7 999.9 310  2.1  3.1 999 9999.9 1017.6 18.3 99.9 99.9             
202425400181SWPM4   09  16.6 999.9 310  3.1  4.1 999 9999.9 1017.6 18.3 99.9 99.9             
202425400241SWPM4   09  16.5 999.9 320  2.1  4.1 999 9999.9 1017.7 18.3 99.9 99.9             
202425400301SWPM4   09  16.4 999.9 310  2.1  3.1 999 9999.9 1017.7 18.3 99.9 99.9             
202425400361SWPM4   09  16.3 999.9 310  2.6  3.6 999 9999.9 1017.7 18.3 99.9 99.9             
202425400421SWPM4   09  16.2 999.9 320  3.1  4.6 999 9999.9 1017.8 18.3 99.9 99.9             
202425400481SWPM4   09  16.2 999.9 300  2.1  3.1 999 9999.9 1017.7 18.3 99.9 99.9             
202425400541SWPM4   09  16.1 999.9 310  1.5  3.6 999 9999.9 1017.7 18.3 99.9 99.9             
202425401001SWPM4   09  16.0 999.9 320  2.1  3.1 999 9999.9 1017.8 18.3 99.9 99.9             
202425401061SWPM4   09  16.0 999.9 320  2.1  2.6 999 9999.9 1017.8 18.3 99.9 99.9             
202425401121SWPM4   09  15.9 999.9 300  2.6  3.1 999 9999.9 1017.9 18.3 99.9 99.9             
202425401181SWPM4   09  15.9 999.9 290  2.6  3.6 999 9999.9 1018.0 18.3 99.9 99.9             
202425401241SWPM4   09  15.8 999.9 290  3.1  3.6 999 9999.9 1018.1 18.3 99.9 99.9             
202425401301SWPM4   09  15.7 999.9 300  2.6  3.6 999 9999.9 1018.1 18.3 99.9 99.9             
202425401361SWPM4   09 999.9 999.9 300  2.6  3.1 999 9999.9 1018.1 18.3 99.9 99.9             
202425401421SWPM4   09 999.9 999.9 300  3.1  3.6 999 9999.9 1018.2 18.3 99.9 99.9             
202425401481SWPM4   09 999.9 999.9 300  2.6  3.6 999 9999.9 1018.2 18.3 99.9 99.9             
202425401541SWPM4   09  15.6 999.9 310  2.1  3.1 999 9999.9 1018.2 18.3 99.9 99.9             
202425402001SWPM4   09  15.5 999.9 320  2.1  3.6 999 9999.9 1018.2 18.3 99.9 99.9             
202425402061SWPM4   09  15.4 999.9 320  2.1  3.1 999 9999.9 1018.2 18.3 99.9 99.9             
202425402121SWPM4   09  15.4 999.9 310  1.5  2.6 999 9999.9 1018.2 18.3 99.9 99.9             
202425402181SWPM4   09  15.3 999.9 320  1.5  2.6 999 9999.9 1018.2 18.3 99.9 99.9             
202425402241SWPM4   09  15.2 999.9 310  1.5  2.6 999 9999.9 1018.3 18.3 99.9 99.9             
202425402301SWPM4   09  15.2 999.9 320  1.5  2.6 999 9999.9 1018.3 18.3 99.9 99.9             
202425402361SWPM4   09 999.9 999.9 320  1.5  2.1 999 9999.9 1018.3 18.3 99.9 99.9             
202425402421SWPM4   09 999.9 999.9 300  1.5  2.1 999 9999.9 1018.4 18.3 99.9 99.9             
202425402481SWPM4   09 999.9 999.9 290  2.1  2.6 999 9999.9 1018.4 18.3 99.9 99.9             
202425402541SWPM4   09  15.2 999.9 300  1.5  2.6 999 9999.9 1018.4 18.3 99.9 99.9             
202425403001SWPM4   09  15.2 999.9 290  2.6  2.6 999 9999.9 1018.5 18.3 99.9 99.9             
202425403061SWPM4   09  15.1 999.9 300  1.5  3.6 999 9999.9 1018.6 18.3 99.9 99.9             
202425403121SWPM4   09  15.1 999.9 280  1.0  2.1 999 9999.9 1018.6 18.3 99.9 99.9             
202425403181SWPM4   09  15.2 999.9 310  1.5  2.1 999 9999.9 1018.5 18.3 99.9 99.9             
202425403241SWPM4   09  15.2 999.9 290  1.5  2.1 999 9999.9 1018.5 18.4 99.9 99.9             
202425403301SWPM4   09  15.2 999.9 290  1.5  2.6 999 9999.9 1018.5 18.4 99.9 99.9             
202425403361SWPM4   09 999.9 999.9 300  1.5  2.6 999 9999.9 1018.5 18.4 99.9 99.9             
202425403421SWPM4   09 999.9 999.9 280  2.1  3.1 999 9999.9 1018.5 18.4 99.9 99.9             
202425403481SWPM4   09 999.9 999.9 290  2.1  2.6 999 9999.9 1018.5 18.4 99.9 99.9             
202425403541SWPM4   09  15.2 999.9 310  1.5  2.6 999 9999.9 1018.5 18.4 99.9 99.9             
202425404001SWPM4   09  15.2 999.9 290  2.1  2.1 999 9999.9 1018.5 18.4 99.9 99.9             
202425404061SWPM4   09  14.9 999.9 250  1.0  2.6 999 9999.9 1018.5 18.4 99.9 99.9             
202425404121SWPM4   09  14.4 999.9 240  1.0  1.5 999 9999.9 1018.5 18.4 99.9 99.9             
202425404181SWPM4   09  14.0 999.9 190  1.0  1.0 999 9999.9 1018.6 18.4 99.9 99.9             
202425404241SWPM4   09  13.9 999.9 220  1.0  1.0 999 9999.9 1018.5 18.4 99.9 99.9             
202425404301SWPM4   09  13.9 999.9 250  0.5  1.0 999 9999.9 1018.5 18.4 99.9 99.9             
202425404361SWPM4   09  13.7 999.9 210  0.5  1.0 999 9999.9 1018.5 18.4 99.9 99.9             
202425404421SWPM4   09  13.7 999.9 210  0.5  1.0 999 9999.9 1018.5 18.4 99.9 99.9             
202425404481SWPM4   09  13.5 999.9 200  1.0  1.0 999 9999.9 1018.6 18.4 99.9 99.9             
202425404541SWPM4   09  13.4 999.9 220  0.5  1.0 999 9999.9 1018.6 18.4 99.9 99.9             
202425405001SWPM4   09  13.5 999.9   0  0.0  1.0 999 9999.9 1018.6 18.4 99.9 99.9             
202425405061SWPM4   09  13.3 999.9 180  0.5  1.0 999 9999.9 1018.6 18.4 99.9 99.9             
202425405121SWPM4   09  13.3 999.9 210  0.5  1.0 999 9999.9 1018.6 18.4 99.9 99.9             
202425405181SWPM4   09  13.2 999.9   0  0.0  0.5 999 9999.9 1018.5 18.4 99.9 99.9             
202425405241SWPM4   09  13.3 999.9   0  0.0  0.5 999 9999.9 1018.5 18.4 99.9 99.9             
202425405301SWPM4   09  13.3 999.9 330  1.5  1.5 999 9999.9 1018.5 18.4 99.9 99.9             
202425405361SWPM4   09  13.1 999.9 340  1.5  2.1 999 9999.9 1018.5 18.4 99.9 99.9             
202425405421SWPM4   09  12.9 999.9 320  1.5  2.1 999 9999.9 1018.5 18.4 99.9 99.9             
202425405481SWPM4   09  13.0 999.9 320  1.0  1.5 999 9999.9 1018.5 18.4 99.9 99.9             
202425405541SWPM4   09  12.9 999.9 210  0.5  1.0 999 9999.9 1018.6 18.4 99.9 99.9             
202425406001SWPM4   09  12.8 999.9 220  0.5  1.0 999 9999.9 1018.6 18.4 99.9 99.9             
202425406061SWPM4   09  12.6 999.9 130  0.5  1.0 999 9999.9 1018.6 18.4 99.9 99.9             
202425406121SWPM4   09  12.7 999.9 140  1.0  1.0 999 9999.9 1018.7 18.4 99.9 99.9             
202425406181SWPM4   09  12.7 999.9 140  0.5  1.0 999 9999.9 1018.7 18.3 99.9 99.9             
202425406241SWPM4   09  12.7 999.9 150  0.5  1.0 999 9999.9 1018.7 18.4 99.9 99.9             
202425406301SWPM4   09  12.5 999.9 130  1.0  1.0 999 9999.9 1018.7 18.4 99.9 99.9             
202425406361SWPM4   09 999.9 999.9 130  1.0  1.5 999 9999.9 1018.6 18.4 99.9 99.9             
202425406421SWPM4   09 999.9 999.9 150  1.0  1.5 999 9999.9 1018.7 18.4 99.9 99.9             
202425406481SWPM4   09 999.9 999.9   0  0.0  1.0 999 9999.9 1018.7 18.4 99.9 99.9             
202425406541SWPM4   09  12.3 999.9   0  0.0  1.0 999 9999.9 1018.7 18.4 99.9 99.9             
202425407001SWPM4   09  12.2 999.9   0  0.0  0.5 999 9999.9 1018.7 18.4 99.9 99.9             
202425407121SWPM4   09  12.2 999.9   0  0.0  0.5 999 9999.9 1018.7 18.4 99.9 99.9             
202425407181SWPM4   09  12.2 999.9   0  0.0  0.5 999 9999.9 1018.7 18.4 99.9 99.9             
202425407241SWPM4   09  12.1 999.9 160  0.5  0.5 999 9999.9 1018.8 18.4 99.9 99.9             
202425407301SWPM4   09  12.0 999.9   0  0.0  0.5 999 9999.9 1018.8 18.4 99.9 99.9             
202425407361SWPM4   09  11.7 999.9   0  0.0  0.5 999 9999.9 1018.8 18.4 99.9 99.9             
202425407421SWPM4   09  11.9 999.9   0  0.0  0.5 999 9999.9 1018.8 18.4 99.9 99.9             
202425407481SWPM4   09  12.2 999.9 360  0.5  1.5 999 9999.9 1018.8 18.5 99.9 99.9             
202425407541SWPM4   09  12.1 999.9 330  1.0  1.5 999 9999.9 1018.8 18.4 99.9 99.9             
202425408001SWPM4   09  12.0 999.9 340  1.0  1.5 999 9999.9 1018.8 18.5 99.9 99.9             
202425408241SWPM4   09  12.0 999.9 120  0.5  1.5 999 9999.9 1018.8 18.4 99.9 99.9             
202425408301SWPM4   09  11.9 999.9 130  1.0  1.5 999 9999.9 1018.9 18.4 99.9 99.9             
202425408361SWPM4   09 999.9 999.9 130  1.0  1.0 999 9999.9 1018.9 18.4 99.9 99.9             
202425408421SWPM4   09 999.9 999.9 120  1.0  1.5 999 9999.9 1018.8 18.4 99.9 99.9             
202425408481SWPM4   09 999.9 999.9 140  1.0  1.0 999 9999.9 1018.8 18.4 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]
85 matching elements
0.015 sec
This Web page created and maintained by Greg Lang, NOAA/GLERL,
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