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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: 2351 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 (208)
 (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 202420800001GTLM4 19 69.1 999.9 270 8.9 9.9 999 9999.9 30.24 99.9 99.9 99.9 202420800101GTLM4 19 68.7 999.9 270 8.9 8.9 999 9999.9 30.24 99.9 99.9 99.9 202420800201GTLM4 19 68.4 999.9 270 8.0 8.9 999 9999.9 30.23 99.9 99.9 99.9 202420800301GTLM4 19 68.0 999.9 270 7.0 8.0 999 9999.9 30.23 99.9 99.9 99.9 202420800401GTLM4 19 67.5 999.9 270 7.0 8.0 999 9999.9 30.23 99.9 99.9 99.9 202420800441GTLM4 19 67.5 999.9 280 7.0 9.9 999 9999.9 30.23 99.9 99.9 99.9 202420800501GTLM4 19 66.9 999.9 280 7.0 8.9 999 9999.9 30.23 99.9 99.9 99.9 202420801001GTLM4 19 66.7 999.9 270 7.0 8.0 999 9999.9 30.23 99.9 99.9 99.9 202420801101GTLM4 19 65.3 999.9 270 6.0 8.0 999 9999.9 30.23 99.9 99.9 99.9 202420801201GTLM4 19 64.4 999.9 270 7.0 7.0 999 9999.9 30.24 99.9 99.9 99.9 202420801301GTLM4 19 63.5 999.9 280 7.0 8.0 999 9999.9 30.24 99.9 99.9 99.9 202420801401GTLM4 19 63.1 999.9 270 6.0 8.0 999 9999.9 30.24 99.9 99.9 99.9 202420801441GTLM4 19 63.1 999.9 270 6.0 8.9 999 9999.9 30.24 99.9 99.9 99.9 202420801501GTLM4 19 61.3 999.9 270 6.0 7.0 999 9999.9 30.24 99.9 99.9 99.9 202420802001GTLM4 19 60.6 999.9 280 5.1 6.0 999 9999.9 30.24 99.9 99.9 99.9 202420802101GTLM4 19 59.9 999.9 240 5.1 7.0 999 9999.9 30.24 99.9 99.9 99.9 202420802201GTLM4 19 60.1 999.9 270 5.1 6.0 999 9999.9 30.24 99.9 99.9 99.9 202420802301GTLM4 19 60.4 999.9 240 4.1 6.0 999 9999.9 30.24 99.9 99.9 99.9 202420802401GTLM4 19 60.4 999.9 230 4.1 5.1 999 9999.9 30.24 99.9 99.9 99.9 202420802441GTLM4 19 60.4 999.9 240 4.1 7.0 999 9999.9 30.24 99.9 99.9 99.9 202420802501GTLM4 19 60.4 999.9 250 4.1 5.1 999 9999.9 30.24 99.9 99.9 99.9 202420803001GTLM4 19 60.3 999.9 250 4.1 4.1 999 9999.9 30.24 99.9 99.9 99.9 202420803101GTLM4 19 59.9 999.9 220 4.1 5.1 999 9999.9 30.24 99.9 99.9 99.9 202420803201GTLM4 19 59.7 999.9 240 4.1 5.1 999 9999.9 30.24 99.9 99.9 99.9 202420803301GTLM4 19 59.7 999.9 230 4.1 4.1 999 9999.9 30.24 99.9 99.9 99.9 202420803401GTLM4 19 59.5 999.9 240 4.1 5.1 999 9999.9 30.24 99.9 99.9 99.9 202420803451GTLM4 19 59.5 999.9 250 4.1 5.1 999 9999.9 30.24 99.9 99.9 99.9 202420803501GTLM4 19 59.4 999.9 240 2.9 5.1 999 9999.9 30.24 99.9 99.9 99.9 202420804001GTLM4 19 59.4 999.9 230 4.1 4.1 999 9999.9 30.24 99.9 99.9 99.9 202420804101GTLM4 19 59.4 999.9 240 4.1 4.1 999 9999.9 30.24 99.9 99.9 99.9 202420804201GTLM4 19 59.4 999.9 240 4.1 4.1 999 9999.9 30.24 99.9 99.9 99.9 202420804301GTLM4 19 59.2 999.9 220 4.1 4.1 999 9999.9 30.24 99.9 99.9 99.9 202420804401GTLM4 19 59.2 999.9 230 5.1 5.1 999 9999.9 30.24 99.9 99.9 99.9 202420804451GTLM4 19 59.2 999.9 230 5.1 5.1 999 9999.9 30.24 99.9 99.9 99.9 202420804501GTLM4 19 59.2 999.9 240 2.9 5.1 999 9999.9 30.24 99.9 99.9 99.9 202420805001GTLM4 19 59.2 999.9 230 4.1 4.1 999 9999.9 30.24 99.9 99.9 99.9 202420805101GTLM4 19 59.0 999.9 220 4.1 5.1 999 9999.9 30.23 99.9 99.9 99.9 202420805201GTLM4 19 59.0 999.9 230 4.1 6.0 999 9999.9 30.24 99.9 99.9 99.9 202420805301GTLM4 19 58.8 999.9 240 4.1 5.1 999 9999.9 30.24 99.9 99.9 99.9 202420805401GTLM4 19 58.8 999.9 230 4.1 5.1 999 9999.9 30.24 99.9 99.9 99.9 202420805461GTLM4 19 58.8 999.9 230 4.1 6.0 999 9999.9 30.24 99.9 99.9 99.9 202420805501GTLM4 19 58.8 999.9 230 4.1 5.1 999 9999.9 30.23 99.9 99.9 99.9 202420806001GTLM4 19 58.8 999.9 230 4.1 4.1 999 9999.9 30.23 99.9 99.9 99.9 202420806101GTLM4 19 58.6 999.9 210 2.9 4.1 999 9999.9 30.23 99.9 99.9 99.9 202420806201GTLM4 19 58.6 999.9 200 1.9 4.1 999 9999.9 30.23 99.9 99.9 99.9 202420806301GTLM4 19 58.3 999.9 170 2.9 4.1 999 9999.9 30.23 99.9 99.9 99.9 202420806401GTLM4 19 58.3 999.9 210 1.9 4.1 999 9999.9 30.24 99.9 99.9 99.9 202420806461GTLM4 19 58.1 999.9 200 2.9 5.1 999 9999.9 30.24 99.9 99.9 99.9 202420806501GTLM4 19 58.3 999.9 220 2.9 2.9 999 9999.9 30.24 99.9 99.9 99.9 202420807001GTLM4 19 58.1 999.9 190 2.9 4.1 999 9999.9 30.24 99.9 99.9 99.9 202420807101GTLM4 19 58.1 999.9 190 2.9 4.1 999 9999.9 30.24 99.9 99.9 99.9 202420807201GTLM4 19 57.9 999.9 210 2.9 4.1 999 9999.9 30.25 99.9 99.9 99.9 202420807301GTLM4 19 57.9 999.9 200 2.9 5.1 999 9999.9 30.25 99.9 99.9 99.9 202420807401GTLM4 19 57.9 999.9 180 4.1 5.1 999 9999.9 30.25 99.9 99.9 99.9 202420807461GTLM4 19 57.7 999.9 180 2.9 5.1 999 9999.9 30.25 99.9 99.9 99.9 202420807501GTLM4 19 57.7 999.9 180 4.1 5.1 999 9999.9 30.25 99.9 99.9 99.9 202420808001GTLM4 19 57.6 999.9 170 4.1 5.1 999 9999.9 30.25 99.9 99.9 99.9 202420808101GTLM4 19 57.4 999.9 170 2.9 4.1 999 9999.9 30.25 99.9 99.9 99.9 202420808201GTLM4 19 57.4 999.9 170 4.1 5.1 999 9999.9 30.26 99.9 99.9 99.9 202420808301GTLM4 19 57.4 999.9 180 4.1 6.0 999 9999.9 30.25 99.9 99.9 99.9 202420808401GTLM4 19 57.4 999.9 180 4.1 6.0 999 9999.9 30.25 99.9 99.9 99.9 202420808501GTLM4 19 57.4 999.9 170 4.1 7.0 999 9999.9 30.25 99.9 99.9 99.9 202420809001GTLM4 19 57.4 999.9 170 4.1 7.0 999 9999.9 30.25 99.9 99.9 99.9 202420809101GTLM4 19 58.1 999.9 180 4.1 6.0 999 9999.9 30.25 99.9 99.9 99.9 202420809201GTLM4 19 57.7 999.9 170 4.1 7.0 999 9999.9 30.25 99.9 99.9 99.9 202420809301GTLM4 19 58.1 999.9 180 4.1 8.0 999 9999.9 30.25 99.9 99.9 99.9 202420809401GTLM4 19 58.5 999.9 180 2.9 7.0 999 9999.9 30.25 99.9 99.9 99.9 202420809501GTLM4 19 58.8 999.9 190 2.9 6.0 999 9999.9 30.25 99.9 99.9 99.9 202420810001GTLM4 19 58.5 999.9 220 2.9 5.1 999 9999.9 30.26 99.9 99.9 99.9 202420810001GTLM4 19 58.5 999.9 220 2.9 8.0 999 9999.9 30.26 99.9 99.9 99.9 202420810101GTLM4 19 58.6 999.9 180 2.9 5.1 999 9999.9 30.25 99.9 99.9 99.9 202420810201GTLM4 19 58.5 999.9 200 2.9 6.0 999 9999.9 30.25 99.9 99.9 99.9 202420810301GTLM4 19 58.3 999.9 200 2.9 6.0 999 9999.9 30.25 99.9 99.9 99.9 202420810401GTLM4 19 59.2 999.9 180 2.9 7.0 999 9999.9 30.25 99.9 99.9 99.9 202420810501GTLM4 19 59.7 999.9 180 1.9 6.0 999 9999.9 30.26 99.9 99.9 99.9 202420811001GTLM4 19 60.3 999.9 180 5.1 9.9 999 9999.9 30.26 99.9 99.9 99.9 202420811101GTLM4 19 60.4 999.9 180 6.0 8.9 999 9999.9 30.26 99.9 99.9 99.9 202420811201GTLM4 19 60.6 999.9 180 5.1 11.1 999 9999.9 30.26 99.9 99.9 99.9 202420811301GTLM4 19 61.3 999.9 170 6.0 9.9 999 9999.9 30.26 99.9 99.9 99.9 202420811401GTLM4 19 61.7 999.9 180 5.1 8.9 999 9999.9 30.27 99.9 99.9 99.9 202420811501GTLM4 19 62.1 999.9 180 5.1 11.1 999 9999.9 30.27 99.9 99.9 99.9 202420812001GTLM4 19 62.6 999.9 190 5.1 8.9 999 9999.9 30.27 99.9 99.9 99.9 202420812011GTLM4 19 62.6 999.9 190 5.1 11.1 999 9999.9 30.26 99.9 99.9 99.9 202420812101GTLM4 19 63.5 999.9 180 5.1 8.9 999 9999.9 30.27 99.9 99.9 99.9 202420812201GTLM4 19 64.2 999.9 180 5.1 8.9 999 9999.9 30.27 99.9 99.9 99.9 202420812301GTLM4 19 65.7 999.9 180 2.9 8.0 999 9999.9 30.28 99.9 99.9 99.9 202420812401GTLM4 19 67.1 999.9 180 2.9 8.9 999 9999.9 30.28 99.9 99.9 99.9 202420812501GTLM4 19 68.0 999.9 180 2.9 8.0 999 9999.9 30.28 99.9 99.9 99.9 202420813001GTLM4 19 68.5 999.9 180 1.9 7.0 999 9999.9 30.27 99.9 99.9 99.9 202420813011GTLM4 19 68.5 999.9 180 1.9 8.9 999 9999.9 30.27 99.9 99.9 99.9 202420813101GTLM4 19 69.6 999.9 160 4.1 7.0 999 9999.9 30.27 99.9 99.9 99.9 202420813201GTLM4 19 69.8 999.9 170 2.9 8.9 999 9999.9 30.27 99.9 99.9 99.9 202420813301GTLM4 19 69.8 999.9 180 1.9 6.0 999 9999.9 30.27 99.9 99.9 99.9 202420813401GTLM4 19 70.3 999.9 160 1.9 5.1 999 9999.9 30.27 99.9 99.9 99.9 202420813501GTLM4 19 70.3 999.9 180 2.9 7.0 999 9999.9 30.27 99.9 99.9 99.9 202420814001GTLM4 19 70.9 999.9 150 5.1 7.0 999 9999.9 30.26 99.9 99.9 99.9 202420814021GTLM4 19 70.9 999.9 150 4.1 8.9 999 9999.9 30.26 99.9 99.9 99.9 202420814101GTLM4 19 71.1 999.9 160 2.9 7.0 999 9999.9 30.26 99.9 99.9 99.9 202420814201GTLM4 19 71.1 999.9 160 1.9 6.0 999 9999.9 30.26 99.9 99.9 99.9 202420814301GTLM4 19 71.4 999.9 190 1.0 5.1 999 9999.9 30.26 99.9 99.9 99.9 202420814401GTLM4 19 71.8 999.9 180 4.1 7.0 999 9999.9 30.26 99.9 99.9 99.9 202420814501GTLM4 19 71.8 999.9 210 5.1 7.0 999 9999.9 30.26 99.9 99.9 99.9 202420815001GTLM4 19 72.0 999.9 230 2.9 6.0 999 9999.9 30.26 99.9 99.9 99.9 202420815021GTLM4 19 72.0 999.9 190 1.0 7.0 999 9999.9 30.26 99.9 99.9 99.9 202420815101GTLM4 19 73.2 999.9 260 2.9 5.1 999 9999.9 30.26 99.9 99.9 99.9 202420815201GTLM4 19 74.7 999.9 270 2.9 7.0 999 9999.9 30.26 99.9 99.9 99.9 202420815301GTLM4 19 74.8 999.9 280 4.1 7.0 999 9999.9 30.25 99.9 99.9 99.9 202420815401GTLM4 19 76.6 999.9 300 4.1 6.0 999 9999.9 30.25 99.9 99.9 99.9 202420815501GTLM4 19 78.4 999.9 300 4.1 5.1 999 9999.9 30.25 99.9 99.9 99.9 202420816001GTLM4 19 77.4 999.9 310 5.1 5.1 999 9999.9 30.25 99.9 99.9 99.9 202420816021GTLM4 19 77.4 999.9 310 5.1 7.0 999 9999.9 30.25 99.9 99.9 99.9 202420816101GTLM4 19 78.1 999.9 300 5.1 6.0 999 9999.9 30.25 99.9 99.9 99.9 202420816201GTLM4 19 75.9 999.9 330 2.9 6.0 999 9999.9 30.25 99.9 99.9 99.9 202420816301GTLM4 19 76.5 999.9 70 2.9 4.1 999 9999.9 30.24 99.9 99.9 99.9 202420816401GTLM4 19 73.2 999.9 50 1.9 4.1 999 9999.9 30.24 99.9 99.9 99.9 202420816501GTLM4 19 73.2 999.9 50 2.9 4.1 999 9999.9 30.24 99.9 99.9 99.9 202420817001GTLM4 19 74.5 999.9 60 1.9 4.1 999 9999.9 30.24 99.9 99.9 99.9 202420817031GTLM4 19 74.5 999.9 60 2.9 6.0 999 9999.9 30.23 99.9 99.9 99.9 202420817101GTLM4 19 73.8 999.9 360 1.9 2.9 999 9999.9 30.23 99.9 99.9 99.9 202420817201GTLM4 19 75.2 999.9 360 1.9 2.9 999 9999.9 30.23 99.9 99.9 99.9 202420817301GTLM4 19 74.7 999.9 340 1.9 4.1 999 9999.9 30.23 99.9 99.9 99.9 202420817401GTLM4 19 75.9 999.9 330 1.9 2.9 999 9999.9 30.23 99.9 99.9 99.9 202420817501GTLM4 19 75.9 999.9 340 1.9 2.9 999 9999.9 30.23 99.9 99.9 99.9 202420818001GTLM4 19 75.0 999.9 10 1.0 2.9 999 9999.9 30.23 99.9 99.9 99.9 202420818031GTLM4 19 75.0 999.9 20 1.9 4.1 999 9999.9 30.23 99.9 99.9 99.9 202420818101GTLM4 19 74.7 999.9 350 1.9 2.9 999 9999.9 30.23 99.9 99.9 99.9 202420818201GTLM4 19 75.9 999.9 340 1.0 4.1 999 9999.9 30.23 99.9 99.9 99.9 202420818301GTLM4 19 76.1 999.9 320 1.9 2.9 999 9999.9 30.22 99.9 99.9 99.9 202420818401GTLM4 19 79.2 999.9 330 1.9 4.1 999 9999.9 30.22 99.9 99.9 99.9 202420818501GTLM4 19 79.0 999.9 280 8.0 8.9 999 9999.9 30.21 99.9 99.9 99.9 202420819001GTLM4 19 77.4 999.9 270 2.9 7.0 999 9999.9 30.21 99.9 99.9 99.9 202420819101GTLM4 19 79.0 999.9 290 1.9 4.1 999 9999.9 30.21 99.9 99.9 99.9 202420819201GTLM4 19 78.4 999.9 260 8.0 8.9 999 9999.9 30.21 99.9 99.9 99.9 202420819301GTLM4 19 77.7 999.9 260 7.0 8.0 999 9999.9 30.21 99.9 99.9 99.9 202420819401GTLM4 19 77.2 999.9 250 5.1 7.0 999 9999.9 30.21 99.9 99.9 99.9 202420819501GTLM4 19 77.4 999.9 260 4.1 6.0 999 9999.9 30.21 99.9 99.9 99.9 202420820001GTLM4 19 78.6 999.9 280 2.9 4.1 999 9999.9 30.20 99.9 99.9 99.9 202420820101GTLM4 19 79.0 999.9 270 2.9 4.1 999 9999.9 30.20 99.9 99.9 99.9 202420820201GTLM4 19 81.3 999.9 310 2.9 4.1 999 9999.9 30.19 99.9 99.9 99.9 202420820301GTLM4 19 79.3 999.9 360 2.9 2.9 999 9999.9 30.19 99.9 99.9 99.9 202420820401GTLM4 19 77.5 999.9 360 1.9 2.9 999 9999.9 30.18 99.9 99.9 99.9 202420820401GTLM4 19 77.5 999.9 360 1.9 8.0 999 9999.9 30.18 99.9 99.9 99.9 202420820501GTLM4 19 77.7 999.9 330 1.9 2.9 999 9999.9 30.18 99.9 99.9 99.9 202420821001GTLM4 19 77.7 999.9 350 2.9 4.1 999 9999.9 30.18 99.9 99.9 99.9 202420821101GTLM4 19 78.6 999.9 340 2.9 4.1 999 9999.9 30.18 99.9 99.9 99.9 202420821201GTLM4 19 78.4 999.9 330 4.1 5.1 999 9999.9 30.17 99.9 99.9 99.9 202420821301GTLM4 19 78.6 999.9 340 4.1 5.1 999 9999.9 30.17 99.9 99.9 99.9 202420821401GTLM4 19 78.4 999.9 350 5.1 6.0 999 9999.9 30.18 99.9 99.9 99.9 202420821501GTLM4 19 77.7 999.9 360 5.1 6.0 999 9999.9 30.17 99.9 99.9 99.9 202420822001GTLM4 19 75.9 999.9 360 6.0 7.0 999 9999.9 30.17 99.9 99.9 99.9 202420822101GTLM4 19 74.8 999.9 10 5.1 6.0 999 9999.9 30.17 99.9 99.9 99.9 202420822201GTLM4 19 74.7 999.9 20 2.9 5.1 999 9999.9 30.17 99.9 99.9 99.9 202420822301GTLM4 19 74.8 999.9 20 4.1 4.1 999 9999.9 30.16 99.9 99.9 99.9 202420822401GTLM4 19 73.9 999.9 30 2.9 4.1 999 9999.9 30.16 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 4th data value plotted]
154 matching elements
0.041 sec

This Web page created and maintained by Greg Lang, NOAA/GLERL,
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