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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: 0950 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 (346)
 (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            C     C  Deg  m/s  m/s  %   W/m2    mb     C    m    s  d.deg d.deg    202534600001SWPM4 09 -6.5 999.9 340 2.1 2.6 999 9999.9 1012.7 99.9 99.9 99.9 99.99 99.99 202534600061SWPM4 09 -6.5 999.9 330 2.1 3.1 999 9999.9 1012.8 99.9 99.9 99.9 99.99 99.99 202534600121SWPM4 09 -6.4 999.9 330 1.5 2.6 999 9999.9 1012.8 99.9 99.9 99.9 99.99 99.99 202534600181SWPM4 09 -6.5 999.9 310 1.5 2.6 999 9999.9 1012.9 99.9 99.9 99.9 99.99 99.99 202534600241SWPM4 09 -6.7 999.9 310 1.5 2.6 999 9999.9 1012.9 99.9 99.9 99.9 99.99 99.99 202534600301SWPM4 09 -6.7 999.9 300 1.5 2.1 999 9999.9 1013.0 99.9 99.9 99.9 99.99 99.99 202534600361SWPM4 09 999.9 999.9 310 1.5 2.1 999 9999.9 1013.0 99.9 99.9 99.9 99.99 99.99 202534600421SWPM4 09 999.9 999.9 290 2.1 2.6 999 9999.9 1013.0 99.9 99.9 99.9 99.99 99.99 202534600481SWPM4 09 999.9 999.9 310 2.1 2.6 999 9999.9 1013.0 99.9 99.9 99.9 99.99 99.99 202534600541SWPM4 09 -7.0 999.9 300 2.1 2.6 999 9999.9 1013.1 99.9 99.9 99.9 99.99 99.99 202534601001SWPM4 09 -7.0 999.9 300 2.1 2.6 999 9999.9 1013.1 99.9 99.9 99.9 99.99 99.99 202534601061SWPM4 09 -6.8 999.9 310 2.1 2.6 999 9999.9 1013.0 99.9 99.9 99.9 99.99 99.99 202534601121SWPM4 09 -6.9 999.9 310 0.5 2.1 999 9999.9 1013.0 99.9 99.9 99.9 99.99 99.99 202534601181SWPM4 09 -7.1 999.9 210 1.5 2.1 999 9999.9 1013.1 99.9 99.9 99.9 99.99 99.99 202534601241SWPM4 09 -7.0 999.9 220 1.0 2.1 999 9999.9 1013.2 99.9 99.9 99.9 99.99 99.99 202534601301SWPM4 09 -7.1 999.9 220 1.0 1.5 999 9999.9 1013.2 99.9 99.9 99.9 99.99 99.99 202534601361SWPM4 09 999.9 999.9 240 1.5 2.1 999 9999.9 1013.3 99.9 99.9 99.9 99.99 99.99 202534601421SWPM4 09 999.9 999.9 230 1.5 2.1 999 9999.9 1013.3 99.9 99.9 99.9 99.99 99.99 202534601481SWPM4 09 999.9 999.9 220 1.0 1.5 999 9999.9 1013.2 99.9 99.9 99.9 99.99 99.99 202534601541SWPM4 09 -7.0 999.9 250 0.5 1.0 999 9999.9 1013.2 99.9 99.9 99.9 99.99 99.99 202534602001SWPM4 09 -7.0 999.9 0 0.0 0.5 999 9999.9 1013.3 99.9 99.9 99.9 99.99 99.99 202534602061SWPM4 09 -7.5 999.9 200 1.0 1.5 999 9999.9 1013.3 99.9 99.9 99.9 99.99 99.99 202534602121SWPM4 09 -7.4 999.9 210 1.0 1.5 999 9999.9 1013.3 99.9 99.9 99.9 99.99 99.99 202534602181SWPM4 09 -8.3 999.9 190 1.5 2.6 999 9999.9 1013.4 99.9 99.9 99.9 99.99 99.99 202534602241SWPM4 09 -8.3 999.9 190 1.0 2.6 999 9999.9 1013.4 99.9 99.9 99.9 99.99 99.99 202534602301SWPM4 09 -8.3 999.9 210 1.0 1.5 999 9999.9 1013.5 99.9 99.9 99.9 99.99 99.99 202534602361SWPM4 09 999.9 999.9 160 0.5 1.5 999 9999.9 1013.5 99.9 99.9 99.9 99.99 99.99 202534602421SWPM4 09 999.9 999.9 0 0.0 1.0 999 9999.9 1013.6 99.9 99.9 99.9 99.99 99.99 202534602481SWPM4 09 999.9 999.9 0 0.0 0.5 999 9999.9 1013.6 99.9 99.9 99.9 99.99 99.99
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