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Realtime Great Lakes Weather Data and Marine Observations


GTLM4: NWS GrndTraverseLtMI                                  
CMAN Station
Lat: 45.21°, Lon: -85.55°
Elevation: 176 m
Anemometer Height: 16 m
Related Site: NDBC


Current Time: 0700 GMT
Station Types
(Click on name to view all stations for that type)
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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 (279)
 (See also Tables for determining DOY for a given date)
View multiple days of data for this station:
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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 202427900001GTLM4 19 52.0 999.9 210 6.0 8.9 999 9999.9 30.30 99.9 99.9 99.9 202427900101GTLM4 19 51.8 999.9 210 6.0 8.9 999 9999.9 30.30 99.9 99.9 99.9 202427900201GTLM4 19 52.2 999.9 200 6.0 8.0 999 9999.9 30.30 99.9 99.9 99.9 202427900301GTLM4 19 52.2 999.9 200 5.1 8.0 999 9999.9 30.30 99.9 99.9 99.9 202427900401GTLM4 19 51.8 999.9 210 5.1 8.9 999 9999.9 30.30 99.9 99.9 99.9 202427900501GTLM4 19 51.8 999.9 210 6.0 8.0 999 9999.9 30.29 99.9 99.9 99.9 202427901001GTLM4 19 51.8 999.9 200 5.1 8.0 999 9999.9 30.30 99.9 99.9 99.9 202427901101GTLM4 19 51.6 999.9 210 4.1 8.0 999 9999.9 30.30 99.9 99.9 99.9 202427901201GTLM4 19 52.0 999.9 200 4.1 8.0 999 9999.9 30.29 99.9 99.9 99.9 202427901301GTLM4 19 51.8 999.9 200 4.1 8.0 999 9999.9 30.29 99.9 99.9 99.9 202427901401GTLM4 19 51.3 999.9 190 4.1 6.0 999 9999.9 30.28 99.9 99.9 99.9 202427901501GTLM4 19 51.1 999.9 190 4.1 6.0 999 9999.9 30.28 99.9 99.9 99.9 202427902001GTLM4 19 50.7 999.9 200 4.1 6.0 999 9999.9 30.28 99.9 99.9 99.9 202427902101GTLM4 19 50.9 999.9 210 2.9 6.0 999 9999.9 30.28 99.9 99.9 99.9 202427902201GTLM4 19 51.1 999.9 210 4.1 6.0 999 9999.9 30.28 99.9 99.9 99.9 202427902301GTLM4 19 51.4 999.9 210 4.1 6.0 999 9999.9 30.28 99.9 99.9 99.9 202427902401GTLM4 19 51.3 999.9 210 4.1 7.0 999 9999.9 30.28 99.9 99.9 99.9 202427902501GTLM4 19 51.3 999.9 210 4.1 7.0 999 9999.9 30.28 99.9 99.9 99.9 202427903001GTLM4 19 51.4 999.9 200 4.1 8.0 999 9999.9 30.28 99.9 99.9 99.9 202427903101GTLM4 19 51.1 999.9 200 5.1 7.0 999 9999.9 30.28 99.9 99.9 99.9 202427903201GTLM4 19 51.1 999.9 200 5.1 9.9 999 9999.9 30.28 99.9 99.9 99.9 202427903301GTLM4 19 51.8 999.9 200 5.1 8.9 999 9999.9 30.29 99.9 99.9 99.9 202427903401GTLM4 19 52.3 999.9 210 6.0 9.9 999 9999.9 30.29 99.9 99.9 99.9 202427903501GTLM4 19 52.5 999.9 220 6.0 9.9 999 9999.9 30.29 99.9 99.9 99.9 202427904001GTLM4 19 52.0 999.9 220 5.1 8.0 999 9999.9 30.30 99.9 99.9 99.9 202427904101GTLM4 19 51.3 999.9 220 5.1 7.0 999 9999.9 30.30 99.9 99.9 99.9 202427904201GTLM4 19 50.5 999.9 220 4.1 6.0 999 9999.9 30.29 99.9 99.9 99.9 202427904301GTLM4 19 50.0 999.9 220 5.1 7.0 999 9999.9 30.29 99.9 99.9 99.9 202427904401GTLM4 19 49.1 999.9 220 4.1 7.0 999 9999.9 30.29 99.9 99.9 99.9 202427904501GTLM4 19 48.9 999.9 210 4.1 6.0 999 9999.9 30.29 99.9 99.9 99.9 202427905001GTLM4 19 48.9 999.9 190 6.0 9.9 999 9999.9 30.28 99.9 99.9 99.9 202427905101GTLM4 19 50.0 999.9 200 6.0 8.9 999 9999.9 30.28 99.9 99.9 99.9 202427905201GTLM4 19 51.1 999.9 190 5.1 9.9 999 9999.9 30.28 99.9 99.9 99.9 202427905301GTLM4 19 51.4 999.9 200 6.0 8.9 999 9999.9 30.28 99.9 99.9 99.9 202427905401GTLM4 19 52.2 999.9 190 5.1 9.9 999 9999.9 30.28 99.9 99.9 99.9
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