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Realtime Great Lakes Weather Data and Marine Observations


All Stations

Station Labels = Latest Wind Dir
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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 (102)
Lt Blue MarkerBuoys (22)
Red MarkerCMAN & USCG Stations (20)
Yellow MarkerShip Reports (7)
Green MarkerSurface Airways Stations (53)

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 (311)
 (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 20243110000045024 19 15.7 15.5 190 12.0 14.0 999 9999.9 1003.2 14.5 1.5 7.0 20243110000045026 19 18.6 14.9 190 12.0 16.0 999 9999.9 1006.5 15.3 1.1 4.0 20243110000045027 09 6.0 5.4 330 3.0 99.9 999 9999.9 1008.9 7.9 0.0 99.9 20243110000045132 49 17.8 999.9 210 5.0 6.0 999 9999.9 1011.0 15.4 0.7 5.0 20243110000045135 59 16.5 999.9 170 5.0 6.0 999 9999.9 1011.9 13.7 0.3 3.0 20243110000045136 09 8.1 999.9 40 8.0 9.0 999 9999.9 1006.3 9.0 0.4 3.0 20243110000045137 69 12.9 999.9 250 4.0 5.0 999 9999.9 1007.3 10.8 0.8 4.0 20243110000045139 59 17.3 999.9 210 4.0 5.0 999 9999.9 1010.7 10.2 0.1 3.0 20243110000045142 49 17.6 999.9 190 5.0 5.0 999 9999.9 1011.8 14.3 0.6 4.0 20243110000045143 69 15.6 999.9 170 3.0 4.0 999 9999.9 1008.0 12.1 0.5 3.0 20243110000045147 39 18.5 999.9 200 7.0 99.9 999 9999.9 1009.2 14.1 0.5 3.0 20243110000045149 29 16.9 999.9 180 6.0 99.9 999 9999.9 1008.3 14.3 0.6 4.0 20243110000045151 69 16.0 999.9 180 5.0 99.9 999 9999.9 1009.8 12.2 0.4 3.0 20243110000045152 69 14.7 999.9 210 6.0 99.9 999 9999.9 1006.5 9.2 0.1 2.0 20243110000045154 69 12.9 999.9 180 4.0 99.9 999 9999.9 1005.2 99.9 0.2 2.0 20243110000045159 59 13.9 999.9 250 3.0 4.0 999 9999.9 1010.7 11.2 0.5 4.0 20243110000045164 49 19.1 999.9 240 5.0 7.0 999 9999.9 9999.9 16.0 0.6 4.0 20243110000045165 49 20.1 999.9 150 6.0 7.0 999 9999.9 9999.9 14.3 0.3 2.0 20243110000045176 09 21.1 14.4 200 5.0 6.0 999 9999.9 1010.7 15.3 0.4 2.0 20243110000045194 49 11.0 999.9 999 99.9 99.9 999 9999.9 9999.9 11.3 99.9 99.9 202431100001APNM4 29 15.2 999.9 170 6.2 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202431100001CBLO1 49 999.9 999.9 180 1.0 2.1 999 9999.9 9999.9 99.9 99.9 99.9 202431100001CHII2 19 18.7 18.7 220 14.4 17.5 999 9999.9 9999.9 99.9 99.9 99.9 202431100001CLSM4 39 21.6 999.9 200 4.6 8.2 999 9999.9 1009.8 99.9 99.9 99.9 202431100001CNII2 19 17.1 14.9 190 6.7 10.8 999 9999.9 9999.9 99.9 99.9 99.9 202431100001CYGM4 29 11.8 9.6 40 2.1 3.1 999 9999.9 1004.0 99.9 99.9 99.9 202431100001DBLN6 49 22.6 999.9 190 2.6 4.1 999 9999.9 1012.0 99.9 99.9 99.9 202431100001DISW3 09 6.7 5.5 40 8.7 9.8 999 9999.9 1007.0 99.9 99.9 99.9 202431100001HHLO1 49 23.1 999.9 200 4.6 7.7 999 9999.9 1009.5 99.9 99.9 99.9 202431100001MCYI3 19 19.3 18.0 180 9.8 12.3 999 9999.9 1004.5 99.9 99.9 99.9 202431100001MKGM4 19 16.5 16.5 190 12.3 13.4 999 9999.9 1003.1 99.9 99.9 99.9 202431100001MLWW3 19 17.9 999.9 260 6.2 8.2 999 9999.9 9999.9 99.9 99.9 99.9 202431100001OLCN6 59 21.6 999.9 200 2.6 4.6 999 9999.9 1011.9 99.9 99.9 99.9 202431100001PILM4 09 7.3 999.9 30 6.2 8.2 999 9999.9 1007.4 99.9 99.9 99.9 202431100001ROAM4 09 6.9 999.9 30 8.7 9.3 999 9999.9 1008.1 99.9 99.9 99.9 202431100001RPRN6 59 22.4 999.9 190 3.1 3.6 999 9999.9 1012.9 99.9 99.9 99.9 202431100001SBIO1 49 21.9 999.9 180 7.2 7.2 999 9999.9 1010.6 99.9 99.9 99.9 202431100001SGNW3 19 15.8 999.9 220 6.2 8.2 999 9999.9 1002.3 99.9 99.9 99.9 202431100001SJOM4 19 19.4 999.9 200 5.7 9.3 999 9999.9 1006.4 99.9 99.9 99.9 202431100001YGNN6 59 20.8 999.9 170 2.6 3.6 999 9999.9 1011.2 99.9 99.9 99.9 202431100003CFJ8305 9 999.9 999.9 170 10.8 99.9 999 9999.9 9999.9 99.9 99.9 99.9 45.70 83.60 202431100003CFN5191 9 999.9 999.9 180 12.9 99.9 999 9999.9 9999.9 99.9 99.9 99.9 43.10 82.40 202431100003VDCY 9 999.9 999.9 230 3.6 99.9 999 9999.9 9999.9 99.9 99.9 99.9 45.00 74.80 202431100003WC5932 9 13.4 12.3 160 7.7 99.9 999 9999.9 9999.9 99.9 99.9 99.9 45.50 83.30 202431100003WDF7019 9 17.1 999.9 210 11.3 99.9 999 9999.9 1008.0 99.9 99.9 99.9 45.10 83.10 202431100003WXY6216 9 8.1 8.1 50 9.8 99.9 999 9999.9 9999.9 99.9 99.9 99.9 46.60 87.20 202431100003WYP8657 9 18.5 999.9 230 8.2 99.9 999 9999.9 1005.5 13.9 99.9 99.9 41.60 87.10 202431100006WCJ 09 6.0 4.0 60 2.1 99.9 999 9999.9 1007.3 99.9 99.9 99.9 202431100006WGD 29 20.0 14.0 180 5.7 9.8 999 9999.9 9999.9 99.9 99.9 99.9 202431100006WKK 09 5.0 2.0 360 0.5 99.9 999 9999.9 1008.5 99.9 99.9 99.9 202431100006WNC 59 17.0 12.0 290 2.1 99.9 999 9999.9 1010.7 99.9 99.9 99.9 202431100006WNZ 09 3.0 2.0 200 0.5 99.9 999 9999.9 1009.0 99.9 99.9 99.9 202431100006WQP 59 12.0 10.0 200 4.1 99.9 999 9999.9 1011.7 99.9 99.9 99.9 202431100006WWB 59 21.0 13.0 170 3.1 99.9 999 9999.9 1010.6 99.9 99.9 99.9 202431100006WWZ 59 18.0 12.0 210 2.1 99.9 999 9999.9 1010.9 99.9 99.9 99.9 202431100006XCA 09 999.9 999.9 20 2.1 99.9 999 9999.9 1008.0 99.9 99.9 99.9 202431100006XDI 49 999.9 999.9 220 2.1 99.9 999 9999.9 1010.9 99.9 99.9 99.9 202431100006XHA 49 999.9 999.9 200 5.7 9.3 999 9999.9 9999.9 99.9 99.9 99.9 202431100006XHM 59 999.9 999.9 0 0.0 99.9 999 9999.9 1010.4 99.9 99.9 99.9 202431100006XPC 29 999.9 999.9 999 99.9 99.9 999 9999.9 1008.1 99.9 99.9 99.9 202431100006XTO 59 999.9 999.9 999 99.9 99.9 999 9999.9 1010.1 99.9 99.9 99.9 202431100006YAM 09 10.0 10.0 80 1.5 99.9 100 9999.9 1003.5 99.9 99.9 99.9 202431100006YCK 49 19.0 999.9 230 6.2 99.9 0 9999.9 1010.7 99.9 99.9 99.9 202431100006YGK 59 17.0 999.9 240 3.1 99.9 50 9999.9 1011.7 99.9 99.9 99.9 202431100006YHM 59 18.0 999.9 190 4.6 99.9 25 9999.9 1010.9 99.9 99.9 99.9 202431100006YLD 09 7.0 999.9 30 5.7 99.9 100 9999.9 1006.7 99.9 99.9 99.9 202431100006YPQ 59 19.0 999.9 210 4.1 99.9 0 9999.9 1010.8 99.9 99.9 99.9 202431100006YQA 69 18.0 999.9 170 5.7 99.9 100 9999.9 1008.8 99.9 99.9 99.9 202431100006YQG 39 21.0 999.9 200 7.7 99.9 75 9999.9 1009.8 99.9 99.9 99.9 202431100006YQT 09 6.0 999.9 30 2.1 99.9 100 9999.9 1007.3 99.9 99.9 99.9 202431100006YSB 29 15.0 999.9 210 4.6 99.9 100 9999.9 1005.8 99.9 99.9 99.9 202431100006YSN 59 19.0 999.9 210 3.1 99.9 25 9999.9 1011.0 99.9 99.9 99.9 202431100006YTR 59 17.0 999.9 220 3.1 99.9 50 9999.9 1010.8 99.9 99.9 99.9 202431100006YTR 59 17.0 999.9 220 3.1 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202431100006YTZ 59 15.0 999.9 999 1.0 99.9 0 9999.9 1010.3 99.9 99.9 99.9 202431100006YVV 69 20.0 999.9 200 9.3 99.9 100 9999.9 1007.5 99.9 99.9 99.9 202431100006YXU 49 18.0 999.9 200 5.7 99.9 50 9999.9 1010.8 99.9 99.9 99.9 202431100006YXZ 09 7.0 999.9 30 3.1 99.9 100 9999.9 1006.8 99.9 99.9 99.9 202431100051CYGM4 29 11.7 9.6 50 2.1 3.6 999 9999.9 1004.0 99.9 99.9 99.9 20243110010045024 19 15.5 15.4 200 12.0 15.0 999 9999.9 1003.3 14.6 1.0 7.0 20243110010045161 19 999.9 999.9 999 99.9 99.9 999 9999.9 9999.9 99.9 1.6 6.0 20243110010045209 09 19.1 15.4 230 7.0 10.0 999 9999.9 1008.9 14.4 0.5 3.0 202431100101APNM4 29 15.1 999.9 150 5.7 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202431100101CYGM4 29 11.7 9.6 0 0.0 2.6 999 9999.9 1004.0 99.9 99.9 99.9 202431100101MKGM4 19 16.5 16.5 190 12.9 13.9 999 9999.9 1003.0 99.9 99.9 99.9 202431100101MLWW3 19 17.7 999.9 260 5.1 6.7 999 9999.9 9999.9 99.9 99.9 99.9 202431100151CYGM4 29 11.7 9.7 60 2.1 2.6 999 9999.9 1004.0 99.9 99.9 99.9 202431100156ACB 19 16.0 999.9 180 2.6 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202431100156BAX 29 20.0 999.9 190 3.6 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202431100156CKC 09 3.0 999.9 360 2.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202431100156COQ 09 4.0 999.9 0 0.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202431100156CVX 19 16.0 999.9 160 3.6 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202431100156DRM 29 14.0 999.9 130 1.5 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202431100156DUH 49 23.0 999.9 180 3.6 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202431100156DYT 09 6.0 999.9 360 4.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202431100156ERY 19 9.0 9.0 50 3.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202431100156FKS 19 18.0 999.9 180 8.2 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202431100156HYX 29 19.0 999.9 190 5.1 99.9 75 9999.9 9999.9 99.9 99.9 99.9 202431100156ISQ 19 9.0 999.9 40 1.5 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202431100156LDM 19 17.0 999.9 200 9.8 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202431100156MGC 19 18.0 999.9 190 5.7 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202431100156MGN 19 16.0 999.9 0 0.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202431100156ONZ 49 17.0 999.9 190 5.1 99.9 0 9999.9 9999.9 99.9 99.9 99.9 202431100156OSC 29 19.0 999.9 190 5.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202431100156PHN 29 21.0 999.9 190 6.2 99.9 50 9999.9 9999.9 99.9 99.9 99.9 202431100156PZQ 29 17.0 999.9 150 2.6 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202431100156SJX 19 11.0 999.9 100 2.6 99.9 75 9999.9 9999.9 99.9 99.9 99.9 202431100156SLH 29 12.0 999.9 0 0.0 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202431100156TWM 09 6.0 999.9 0 0.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202431100166MCD 29 12.0 999.9 110 4.1 99.9 100 9999.9 9999.9 99.9 99.9 99.9 202431100201CYGM4 29 11.7 9.8 70 2.1 2.6 999 9999.9 1004.0 99.9 99.9 99.9 202431100251CYGM4 29 11.8 10.0 60 2.1 3.1 999 9999.9 1004.0 99.9 99.9 99.9 202431100301CYGM4 29 11.9 10.1 70 2.1 3.1 999 9999.9 1004.0 99.9 99.9 99.9 202431100351CYGM4 29 11.9 10.1 90 1.0 2.6 999 9999.9 1004.0 99.9 99.9 99.9 202431100401CYGM4 29 12.0 10.2 80 1.0 2.1 999 9999.9 1003.0 99.9 99.9 99.9 202431100451CYGM4 29 12.1 10.2 90 3.1 3.1 999 9999.9 1002.0 99.9 99.9 99.9 202431100501CYGM4 29 12.1 10.3 90 2.1 2.6 999 9999.9 1002.0 99.9 99.9 99.9 202431100551CYGM4 29 12.2 10.3 0 0.0 2.1 999 9999.9 1002.0 99.9 99.9 99.9 202431101001CYGM4 29 12.2 10.3 140 3.1 3.6 999 9999.9 1002.0 99.9 99.9 99.9 202431101051CYGM4 29 12.3 10.4 130 2.1 3.6 999 9999.9 1002.0 99.9 99.9 99.9 202431101101CYGM4 29 12.4 10.5 120 2.1 3.1 999 9999.9 1002.0 99.9 99.9 99.9 202431101151CYGM4 29 12.5 10.6 0 0.0 2.1 999 9999.9 1002.0 99.9 99.9 99.9
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