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Realtime Great Lakes Weather Data and Marine Observations


All Stations

Station Labels = Latest Wind Speed
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Note: Only stations containing data for selected day are plotted
See also All Stations not reporting today
Station Types
(Click on name to view all stations for that type)
White MarkerAll Stations (45)
Lt Blue MarkerBuoys (1)
Red MarkerCMAN & USCG Stations (20)
Yellow MarkerShip Reports (2)
Green MarkerSurface Airways Stations (22)

Gray MarkerReport > 3 Hours Old

  Station Labels: Off | ID | Name
  Air Temp | Wind Spd | Wind Dir
  Bar Press | Wave Hgt | Water Temp
  Cloud Cover

  Change Units to: English | Metric


 Enter New DOY (001-366):  Or Today (013)
 (See also Tables for determining DOY for a given date)
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 202501300001APNM4 29 -1.5 999.9 180 6.7 7.2 999 9999.9 9999.9 99.9 99.9 99.9 202501300001CBLO1 49 999.9 999.9 160 5.1 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202501300001CHII2 19 3.1 -1.3 270 15.4 17.0 999 9999.9 9999.9 99.9 99.9 99.9 202501300001CLSM4 39 -0.8 999.9 200 5.1 8.7 999 9999.9 1010.8 99.9 99.9 99.9 202501300001CNII2 19 -1.6 -7.2 280 5.7 10.8 999 9999.9 9999.9 99.9 99.9 99.9 202501300001CYGM4 29 -1.9 -2.8 180 10.8 99.9 999 9999.9 1005.0 99.9 99.9 99.9 202501300001DBLN6 49 -0.3 999.9 170 3.6 5.7 999 9999.9 1014.4 99.9 99.9 99.9 202501300001DISW3 09 -7.0 -10.6 310 10.8 13.4 999 9999.9 1007.8 99.9 99.9 99.9 202501300001HHLO1 49 2.0 999.9 210 7.7 13.4 999 9999.9 1009.5 99.9 99.9 99.9 202501300001MCYI3 19 -1.0 -2.3 250 15.4 16.5 999 9999.9 1010.6 99.9 99.9 99.9 202501300001MKGM4 19 1.2 0.0 260 11.8 13.4 999 9999.9 1006.4 99.9 99.9 99.9 202501300001MLWW3 19 -2.0 999.9 270 3.6 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202501300001OLCN6 59 0.6 999.9 180 1.5 2.6 999 9999.9 1014.9 99.9 99.9 99.9 202501300001PILM4 09 999.9 999.9 340 7.2 8.7 999 9999.9 1003.8 99.9 99.9 99.9 202501300001SBIO1 49 0.7 999.9 190 10.8 12.3 999 9999.9 1012.1 99.9 99.9 99.9 202501300001SBLM4 29 999.9 999.9 190 8.7 9.8 999 9999.9 9999.9 99.9 99.9 99.9 202501300001SGNW3 19 -1.7 999.9 280 7.2 8.2 999 9999.9 1006.6 99.9 99.9 99.9 202501300001THLO1 49 1.0 -1.3 200 9.3 11.8 999 9999.9 1010.4 99.9 99.9 99.9 202501300001YGNN6 59 1.1 999.9 150 2.6 3.1 999 9999.9 1013.2 99.9 99.9 99.9 202501300003WC5932 9 -1.7 -3.4 0 0.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 44.80 87.40 202501300003WL3972 9 -0.7 999.9 170 10.8 99.9 999 9999.9 1008.9 99.9 99.9 99.9 43.10 82.30 202501300003WL3972 9 -0.9 999.9 170 11.8 99.9 999 9999.9 1008.9 99.9 99.9 99.9 43.10 82.30 202501300006YTR 59 -1.0 -3.0 0 0.0 99.9 100 9999.9 1015.0 99.9 99.9 99.9 202501300006YTR 59 -1.0 -3.0 0 0.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300051CYGM4 29 -1.9 -2.9 170 7.2 10.3 999 9999.9 1005.0 99.9 99.9 99.9 20250130010045161 19 999.9 999.9 999 99.9 99.9 999 9999.9 9999.9 99.9 1.9 6.0 202501300101APNM4 29 -1.5 999.9 180 6.7 7.2 999 9999.9 9999.9 99.9 99.9 99.9 202501300101CYGM4 29 -1.9 -2.9 180 9.8 99.9 999 9999.9 1005.0 99.9 99.9 99.9 202501300101MCYI3 19 -1.2 -3.1 250 14.4 15.4 999 9999.9 1011.0 99.9 99.9 99.9 202501300101MLWW3 19 -2.0 999.9 270 4.6 7.7 999 9999.9 9999.9 99.9 99.9 99.9 202501300121NREP1 49 -1.8 999.9 20 99.9 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202501300151CNII2 19 -1.7 -7.3 240 4.1 10.8 999 9999.9 9999.9 99.9 99.9 99.9 202501300151CYGM4 29 -1.9 -2.9 180 7.2 10.3 999 9999.9 1005.0 99.9 99.9 99.9 202501300156ACB 19 -1.0 -2.0 190 2.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300156BAX 29 -2.0 -2.0 190 4.6 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300156CKC 09 -13.0 -16.0 330 7.2 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300156COQ 09 -13.0 -17.0 290 5.7 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300156CVX 19 -1.0 -3.0 160 4.1 99.9 75 9999.9 9999.9 99.9 99.9 99.9 202501300156DRM 29 -1.0 -1.0 160 2.6 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300156DUH 49 1.0 -3.0 210 6.2 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300156DYT 09 -10.0 -14.0 290 5.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300156ERY 19 -1.0 -2.0 140 5.7 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300156ETB 19 -3.0 -5.0 270 6.2 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300156FKS 19 999.9 999.9 260 4.6 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300156ISQ 19 -1.0 -1.0 250 1.5 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300156MCD 29 -2.0 -3.0 180 5.7 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300156MGC 19 -1.0 -5.0 260 6.7 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300156MGN 19 -1.0 -2.0 0 0.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300156OSC 29 -1.0 -2.0 190 4.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300156PHN 29 -1.0 -2.0 190 6.2 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300156PZQ 29 -2.0 -3.0 190 5.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300156SUW 09 -10.0 -14.0 290 5.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300156TWM 09 -11.0 -13.0 310 5.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202501300166SLH 29 -2.0 -3.0 180 3.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9
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