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Realtime Great Lakes Weather Data and Marine Observations


NOTICE: This page is undergoing maintenance and will not be updated today, Nov 20th, 2025. The primary datastreams: CMANS, METARS and Buoys (where seasonally available) will be restored as soon as possible.



LTRM4: NOS Little Rapids MI                                  
CMAN Station
Lat: 46.49°, Lon: -84.30°
Related Site: NDBC


Current Time: 1904 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 (324)
 (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 202532401241LTRM4 09 34.9 21.4 160 5.1 7.0 999 9999.9 30.17 48.9 99.9 99.9 202532401301LTRM4 09 34.3 20.8 170 2.9 7.0 999 9999.9 30.17 48.9 99.9 99.9 202532401361LTRM4 09 33.8 20.1 180 4.1 4.1 999 9999.9 30.17 48.9 99.9 99.9 202532401421LTRM4 09 33.4 19.9 160 2.9 4.1 999 9999.9 30.17 48.9 99.9 99.9 202532401481LTRM4 09 33.6 20.3 160 1.9 2.9 999 9999.9 30.17 48.9 99.9 99.9 202532401541LTRM4 09 34.0 21.2 150 1.9 2.9 999 9999.9 30.17 48.9 99.9 99.9 202532402001LTRM4 09 34.2 21.6 160 1.0 2.9 999 9999.9 30.17 48.9 99.9 99.9 202532402061LTRM4 09 34.9 22.3 120 2.9 2.9 999 9999.9 30.17 48.9 99.9 99.9 202532402121LTRM4 09 34.7 22.8 150 2.9 4.1 999 9999.9 30.17 48.9 99.9 99.9 202532402181LTRM4 09 34.0 22.1 180 2.9 4.1 999 9999.9 30.17 48.9 99.9 99.9 202532402241LTRM4 09 34.0 22.5 150 1.9 2.9 999 9999.9 30.17 48.9 99.9 99.9 202532402301LTRM4 09 34.0 22.6 150 1.0 1.9 999 9999.9 30.17 48.9 99.9 99.9 202532402361LTRM4 09 999.9 999.9 160 1.0 1.9 999 9999.9 30.17 48.9 99.9 99.9 202532402421LTRM4 09 999.9 999.9 180 1.9 1.9 999 9999.9 30.16 48.9 99.9 99.9 202532402481LTRM4 09 999.9 999.9 170 1.9 2.9 999 9999.9 30.16 48.9 99.9 99.9 202532402541LTRM4 09 34.0 23.7 170 1.9 2.9 999 9999.9 30.16 48.9 99.9 99.9 202532403001LTRM4 09 33.8 23.9 180 1.9 2.9 999 9999.9 30.16 48.9 99.9 99.9 202532404001LTRM4 09 35.6 25.9 120 2.9 4.1 999 9999.9 30.15 48.9 99.9 99.9 202532404061LTRM4 09 999.9 999.9 110 2.9 4.1 999 9999.9 30.15 48.9 99.9 99.9 202532404121LTRM4 09 999.9 999.9 100 4.1 5.1 999 9999.9 30.15 48.9 99.9 99.9 202532404181LTRM4 09 999.9 999.9 100 2.9 4.1 999 9999.9 30.15 48.9 99.9 99.9 202532404241LTRM4 09 35.4 25.5 100 2.9 4.1 999 9999.9 30.15 48.7 99.9 99.9 202532404301LTRM4 09 35.2 25.0 100 2.9 4.1 999 9999.9 30.15 48.7 99.9 99.9 202532404361LTRM4 09 999.9 999.9 100 2.9 4.1 999 9999.9 30.16 48.7 99.9 99.9 202532404421LTRM4 09 999.9 999.9 90 4.1 4.1 999 9999.9 30.15 48.7 99.9 99.9 202532404481LTRM4 09 999.9 999.9 90 4.1 5.1 999 9999.9 30.15 48.7 99.9 99.9 202532404541LTRM4 09 35.8 25.5 100 4.1 5.1 999 9999.9 30.15 48.7 99.9 99.9 202532405001LTRM4 09 36.0 25.7 90 4.1 5.1 999 9999.9 30.15 48.7 99.9 99.9 202532405061LTRM4 09 999.9 999.9 100 4.1 5.1 999 9999.9 30.15 48.7 99.9 99.9 202532405121LTRM4 09 999.9 999.9 100 4.1 5.1 999 9999.9 30.15 48.7 99.9 99.9 202532405181LTRM4 09 999.9 999.9 100 4.1 5.1 999 9999.9 30.15 48.7 99.9 99.9 202532405241LTRM4 09 35.8 25.7 110 4.1 5.1 999 9999.9 30.15 48.7 99.9 99.9 202532405301LTRM4 09 35.8 25.9 120 2.9 5.1 999 9999.9 30.15 48.9 99.9 99.9 202532405421LTRM4 09 999.9 999.9 130 2.9 4.1 999 9999.9 30.14 48.9 99.9 99.9 202532405481LTRM4 09 999.9 999.9 130 4.1 5.1 999 9999.9 30.14 48.9 99.9 99.9 202532405541LTRM4 09 36.1 26.2 130 2.9 5.1 999 9999.9 30.14 48.7 99.9 99.9 202532406061LTRM4 09 999.9 999.9 160 6.0 8.0 999 9999.9 30.14 48.9 99.9 99.9 202532406121LTRM4 09 999.9 999.9 170 5.1 7.0 999 9999.9 30.13 48.7 99.9 99.9 202532406181LTRM4 09 999.9 999.9 160 5.1 7.0 999 9999.9 30.13 48.4 99.9 99.9 202532406241LTRM4 09 36.7 26.2 170 4.1 7.0 999 9999.9 30.13 48.6 99.9 99.9 202532406301LTRM4 09 36.7 26.2 170 4.1 6.0 999 9999.9 30.13 48.7 99.9 99.9 202532406361LTRM4 09 36.9 26.1 170 4.1 6.0 999 9999.9 30.13 48.6 99.9 99.9 202532406421LTRM4 09 36.9 26.1 160 4.1 6.0 999 9999.9 30.13 48.7 99.9 99.9 202532406481LTRM4 09 36.9 25.9 160 4.1 6.0 999 9999.9 30.13 48.7 99.9 99.9 202532406541LTRM4 09 36.9 25.7 160 4.1 5.1 999 9999.9 30.12 48.7 99.9 99.9 202532407001LTRM4 09 36.9 25.7 170 4.1 5.1 999 9999.9 30.12 48.7 99.9 99.9 202532407061LTRM4 09 36.7 25.5 160 2.9 5.1 999 9999.9 30.12 48.7 99.9 99.9 202532407121LTRM4 09 36.7 25.5 170 4.1 5.1 999 9999.9 30.12 48.7 99.9 99.9 202532407181LTRM4 09 36.7 25.7 170 2.9 4.1 999 9999.9 30.12 48.7 99.9 99.9 202532407241LTRM4 09 36.7 25.5 170 2.9 5.1 999 9999.9 30.12 48.7 99.9 99.9 202532407301LTRM4 09 36.9 25.9 170 4.1 5.1 999 9999.9 30.12 48.7 99.9 99.9 202532407361LTRM4 09 999.9 999.9 170 2.9 5.1 999 9999.9 30.12 48.7 99.9 99.9 202532407421LTRM4 09 999.9 999.9 170 2.9 4.1 999 9999.9 30.12 48.7 99.9 99.9 202532407481LTRM4 09 999.9 999.9 170 5.1 6.0 999 9999.9 30.12 48.7 99.9 99.9 202532407541LTRM4 09 36.9 25.9 170 4.1 6.0 999 9999.9 30.12 48.7 99.9 99.9 202532408001LTRM4 09 36.9 26.1 180 4.1 6.0 999 9999.9 30.12 48.7 99.9 99.9 202532408061LTRM4 09 36.9 26.1 180 5.1 6.0 999 9999.9 30.12 48.7 99.9 99.9 202532408121LTRM4 09 36.9 26.1 180 5.1 6.0 999 9999.9 30.12 48.7 99.9 99.9 202532408181LTRM4 09 36.9 26.4 180 4.1 6.0 999 9999.9 30.12 48.6 99.9 99.9 202532408241LTRM4 09 36.7 26.2 190 4.1 6.0 999 9999.9 30.11 48.6 99.9 99.9 202532408301LTRM4 09 36.9 26.4 180 4.1 5.1 999 9999.9 30.11 48.2 99.9 99.9 202532408361LTRM4 09 999.9 999.9 999 99.9 99.9 999 9999.9 30.11 48.0 99.9 99.9 202532408421LTRM4 09 999.9 999.9 999 99.9 99.9 999 9999.9 30.11 48.2 99.9 99.9 202532408481LTRM4 09 999.9 999.9 999 99.9 99.9 999 9999.9 30.11 48.4 99.9 99.9 202532408541LTRM4 09 36.7 25.9 170 4.1 5.1 999 9999.9 30.11 48.2 99.9 99.9 202532409001LTRM4 09 36.9 26.2 180 4.1 6.0 999 9999.9 30.11 48.4 99.9 99.9 202532409061LTRM4 09 36.9 26.2 180 4.1 5.1 999 9999.9 30.10 99.9 99.9 99.9 202532409121LTRM4 09 36.9 26.2 170 4.1 6.0 999 9999.9 30.10 99.9 99.9 99.9 202532409241LTRM4 09 36.9 26.1 180 5.1 6.0 999 9999.9 30.10 48.4 99.9 99.9 202532409301LTRM4 09 36.9 26.2 180 4.1 5.1 999 9999.9 30.09 48.4 99.9 99.9 202532409361LTRM4 09 999.9 999.9 180 4.1 5.1 999 9999.9 30.09 99.9 99.9 99.9 202532409421LTRM4 09 999.9 999.9 170 4.1 6.0 999 9999.9 30.09 99.9 99.9 99.9 202532409481LTRM4 09 999.9 999.9 170 4.1 5.1 999 9999.9 30.09 99.9 99.9 99.9 202532409541LTRM4 09 37.0 26.2 170 2.9 5.1 999 9999.9 30.09 48.4 99.9 99.9 202532410001LTRM4 09 37.0 26.1 190 4.1 6.0 999 9999.9 30.09 48.4 99.9 99.9 202532410061LTRM4 09 36.7 26.1 200 2.9 5.1 999 9999.9 30.09 48.4 99.9 99.9 202532410121LTRM4 09 36.3 25.5 290 4.1 4.1 999 9999.9 30.09 48.4 99.9 99.9 202532410181LTRM4 09 36.1 25.7 310 2.9 5.1 999 9999.9 30.09 48.4 99.9 99.9 202532410241LTRM4 09 36.1 26.2 260 1.0 1.9 999 9999.9 30.09 48.4 99.9 99.9 202532410301LTRM4 09 36.1 25.9 270 1.0 1.9 999 9999.9 30.09 48.4 99.9 99.9 202532410361LTRM4 09 999.9 999.9 0 0.0 1.0 999 9999.9 30.09 48.4 99.9 99.9 202532410421LTRM4 09 999.9 999.9 0 0.0 1.0 999 9999.9 30.09 48.4 99.9 99.9 202532410481LTRM4 09 999.9 999.9 310 1.9 1.9 999 9999.9 30.09 48.4 99.9 99.9 202532410541LTRM4 09 36.7 26.1 310 1.9 2.9 999 9999.9 30.09 48.4 99.9 99.9 202532411001LTRM4 09 36.7 26.4 0 0.0 2.9 999 9999.9 30.08 48.4 99.9 99.9 202532411061LTRM4 09 36.5 26.2 0 0.0 1.0 999 9999.9 30.08 48.4 99.9 99.9 202532411121LTRM4 09 36.5 26.2 0 0.0 1.0 999 9999.9 30.08 48.0 99.9 99.9 202532411181LTRM4 09 36.7 26.1 0 0.0 1.0 999 9999.9 30.08 48.2 99.9 99.9 202532411241LTRM4 09 36.5 25.9 0 0.0 1.0 999 9999.9 30.08 48.4 99.9 99.9 202532411301LTRM4 09 36.5 25.9 180 1.0 1.9 999 9999.9 30.08 48.4 99.9 99.9 202532411361LTRM4 09 999.9 999.9 180 1.9 1.9 999 9999.9 30.07 48.4 99.9 99.9 202532411421LTRM4 09 999.9 999.9 160 1.9 4.1 999 9999.9 30.07 48.4 99.9 99.9 202532411481LTRM4 09 999.9 999.9 160 2.9 4.1 999 9999.9 30.07 48.4 99.9 99.9
  New Graph (click on parameter):                                      
  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
google chart
  [every 2nd value plotted]
93 matching elements
0.017 sec

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