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Station GRMM4 - Grand Marais, MI Image indicating link to RSS feed of recent meteorological observations for station GRMM4

Owned and maintained by National Weather Service Central Region
GLOS Weather Station
46.684 N 85.972 W (46°41'2" N 85°58'19" W)

Site elevation: 186 m above mean sea level
Air temp height: 7.9 m above site elevation
Anemometer height: 9 m above site elevation
Barometer elevation: 191.4 m above mean sea level

For Great Lakes marine forecasts, select: GREAT LAKES FORECASTS

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station GRMM4

Station GRMM4
Large icon indicates selected station.
yellow diamond Stations with recent data
red diamond Stations with no data in last 8 hours
     (24 hours for tsunami stations)

Conditions at GRMM4 as of
(9:40 am EDT)
1340 GMT on 09/18/2020:
     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.
5-day plot - Wind Direction Wind Direction (WDIR): NW ( 320 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 9.9 kts
5-day plot - Wind Gust Wind Gust (GST): 15.0 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES): 30.42 in
5-day plot - Air Temperature Air Temperature (ATMP): 49.6 °F
5-day plot - Wind Chill Wind Chill (CHILL): 45.1 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 9.7 kts
5-day plot - Wind Speed at 10 Meters Wind Speed at 20 meters (WSPD20M): 11.7 kts
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Previous observations
5-day plot - Wind Direction 5-day plot - Wind Speed 5-day plot - Wind Gust 5-day plot - Wave Height 5-day plot - Dominant Wave Period 5-day plot - Average Period 5-day plot - Mean Wave Direction 5-day plot - Atmospheric Pressure 5-day plot - Pressure Tendency 5-day plot - Air Temperature 5-day plot - Water Temperature 5-day plot - Dew Point 5-day plot - Salinity 5-day plot - Visibility 5-day plot - Tide (above MLLW)
MM DD TIME
(EDT)		 WDIR WSPD
kts		 GST
kts		 WVHT
ft		 DPD
sec		 APD
sec		 MWD PRES
in		 PTDY
in		 ATMP
°F		 WTMP
°F		 DEWP
°F		 SAL
psu		 VIS
nmi		 TIDE
ft
0918 9:30 am N 9.9 13.0----30.42- 49.8-----
0918 9:20 am N 13.0 18.1----30.42- 49.8-----
0918 9:10 amNNW 8.9 15.0----30.42- 49.6-----
0918 9:00 am N 15.0 17.1----30.41+0.04 49.6-----
0918 8:50 am N 12.0 15.0----30.41- 49.6-----
0918 8:40 amNNW 8.9 14.0----30.41- 49.6-----
0918 8:30 am N 8.0 15.0----30.41- 49.5-----
0918 8:20 am N 12.0 15.9----30.40- 49.5-----
0918 8:10 am N 8.0 12.0----30.40- 49.5-----
0918 8:00 amNNE 11.1 12.0----30.39+0.03 49.6-----
0918 7:50 am N 9.9 15.9----30.40- 49.6-----
0918 7:40 am N 9.9 15.0----30.39- 49.6-----
0918 7:30 am N 7.0 14.0----30.39- 49.3-----
0918 7:20 am N 12.0 15.0----30.39- 49.6-----
0918 7:10 am N 11.1 15.9----30.39- 49.5-----
0918 7:00 am N 11.1 14.0----30.38+0.03 49.6-----
0918 6:50 am N 8.9 13.0----30.38- 49.5-----
0918 6:40 am N 11.1 13.0----30.38- 49.5-----
0918 6:30 am N 8.0 9.9----30.37- 49.5-----
0918 6:20 amNNE 7.0 9.9----30.37- 49.5-----
0918 6:10 amNNE 6.0 11.1----30.37- 49.3-----
0918 6:00 amNNE 9.9 13.0----30.37+0.03 49.3-----
0918 5:50 am N 7.0 12.0----30.37- 49.3-----
0918 5:40 amNNE 7.0 11.1----30.37- 49.3-----
0918 5:30 amNNE 8.9 13.0----30.36- 49.1-----
0918 5:20 amNNE 8.9 13.0----30.36- 49.1-----
0918 5:10 amNNE 9.9 12.0----30.36- 49.1-----
0918 5:00 am N 12.0 15.0----30.36+0.03 49.1-----
0918 4:50 am N 9.9 14.0----30.36- 48.9-----
0918 4:40 am N 13.0 15.0----30.35- 49.1-----
0918 4:30 am N 13.0 15.9----30.35- 48.7-----
0918 4:20 am N 8.9 13.0----30.35- 48.7-----
0918 4:10 am N 9.9 14.0----30.35- 48.6-----
0918 4:00 amNNE 13.0 15.0----30.35+0.03 48.6-----
0918 3:50 amNNE 12.0 15.9----30.35- 48.6-----
0918 3:40 amNNE 11.1 15.9----30.35- 48.4-----
0918 3:30 amNNE 14.0 18.1----30.35- 48.4-----
0918 3:20 amNNE 15.0 19.0----30.34- 48.6-----
0918 3:10 amNNE 15.0 18.1----30.34- 48.4-----
0918 3:00 amNNE 15.0 21.0----30.34+0.02 48.4-----
0918 2:50 amNNE 15.9 19.0----30.34- 48.7-----
0918 2:40 amNNE 15.9 20.0----30.34- 49.1-----
0918 2:30 amNNE 18.1 21.0----30.34- 48.7-----
0918 2:20 am NE 17.1 20.0----30.34- 49.1-----
0918 2:10 amNNE 17.1 22.9----30.33- 49.6-----
0918 2:00 am N 15.9 20.0----30.33+0.02 50.0-----
0918 1:50 am N 17.1 19.0----30.33- 50.0-----
0918 1:40 am N 17.1 19.0----30.33- 49.8-----
0918 1:30 am N 15.0 19.0----30.33- 49.8-----
0918 1:20 am N 15.0 18.1----30.32- 49.6-----
0918 1:10 am N 17.1 20.0----30.32- 49.6-----
0918 1:00 am N 15.9 21.0----30.32+0.02 49.8-----
091812:50 am N 17.1 20.0----30.32- 49.8-----
091812:40 am N 15.9 19.0----30.32- 49.6-----
091812:30 am N 15.0 20.0----30.32- 49.8-----
091812:20 am N 15.9 19.0----30.32- 49.6-----
091812:10 am N 15.0 20.0----30.32- 49.5-----
091812:00 am N 15.9 19.0----30.32+0.03 49.8-----
091711:50 pm N 17.1 20.0----30.32- 49.6-----
091711:40 pm N 15.0 19.0----30.32- 49.6-----
091711:30 pm N 13.0 19.0----30.31- 49.5-----
091711:20 pmNNW 13.0 17.1----30.32- 49.3-----
091711:10 pm N 15.0 17.1----30.32- 49.3-----
091711:00 pmNNW 14.0 19.0----30.31+0.03 49.3-----
091710:50 pm N 12.0 15.0----30.31- 49.3-----
091710:40 pm N 11.1 18.1----30.31- 49.3-----
091710:30 pmNNW 13.0 18.1----30.31- 48.9-----
091710:20 pm N 14.0 17.1----30.30- 49.1-----
091710:10 pm N 14.0 18.1----30.30- 49.1-----
091710:00 pm N 13.0 18.1----30.30+0.02 48.9-----
0917 9:50 pmNNW 14.0 15.9----30.30- 48.7-----
0917 9:40 pm N 14.0 17.1----30.30- 48.6-----
0917 9:30 pm N 14.0 15.9----30.30- 48.6-----
0917 9:20 pm N 15.0 17.1----30.30- 48.6-----
0917 9:10 pm N 15.9 20.0----30.30- 48.6-----
0917 9:00 pm N 15.0 18.1----30.29+0.02 48.6-----
0917 8:50 pm N 15.0 19.0----30.29- 48.6-----
0917 8:40 pm N 15.0 18.1----30.29- 48.6-----
0917 8:30 pm N 15.0 18.1----30.28- 48.4-----
0917 8:20 pmNNW 15.0 19.0----30.28- 48.2-----
0917 8:10 pm N 13.0 18.1----30.28- 48.0-----
0917 8:00 pmNNW 13.0 15.9----30.28+0.01 47.8-----
0917 7:50 pm N 9.9 18.1----30.28- 47.7-----
0917 7:40 pmNNW 12.0 18.1----30.28- 47.7-----
0917 7:30 pmNNW 12.0 18.1----30.28- 47.5-----
0917 7:20 pmNNW 14.0 17.1----30.28- 47.8-----
0917 7:10 pm NW 15.0 18.1----30.28- 47.7-----
0917 7:00 pm NW 13.0 17.1----30.28+0.01 48.0-----
0917 6:50 pm NW 13.0 15.9----30.28- 48.0-----
0917 6:40 pmNNW 12.0 18.1----30.28- 48.0-----
0917 6:30 pmNNW 14.0 18.1----30.27- 48.0-----
0917 6:20 pmNNW 14.0 17.1----30.28- 48.2-----
0917 6:10 pm NW 15.0 20.0----30.27- 48.0-----
0917 6:00 pmNNW 13.0 18.1----30.27-0.01 48.0-----
0917 5:50 pm NW 12.0 17.1----30.27- 48.2-----
0917 5:40 pmNNW 13.0 15.9----30.27- 48.0-----
0917 5:30 pm NW 14.0 17.1----30.27- 48.4-----
0917 5:20 pm NW 15.0 18.1----30.27- 48.4-----
0917 5:10 pm NW 11.1 17.1----30.27- 48.4-----
0917 5:00 pm NW 13.0 17.1----30.27-0.01 48.4-----
0917 4:50 pm NW 13.0 17.1----30.27- 48.4-----
0917 4:40 pm NW 14.0 18.1----30.27- 48.6-----
0917 4:30 pm NW 13.0 17.1----30.27- 48.6-----
0917 4:20 pmNNW 14.0 17.1----30.27- 48.4-----
0917 4:10 pmNNW 13.0 17.1----30.27- 48.6-----
0917 4:00 pm NW 13.0 19.0----30.27-0.01 48.4-----
0917 3:50 pm NW 12.0 18.1----30.27- 48.6-----
0917 3:40 pmNNW 14.0 15.9----30.28- 48.7-----
0917 3:30 pm NW 14.0 17.1----30.28- 48.6-----
0917 3:20 pmNNW 13.0 17.1----30.28- 48.4-----
0917 3:10 pmNNW 15.0 18.1----30.28- 48.4-----
0917 3:00 pm NW 15.0 19.0----30.28+0.00 48.6-----
0917 2:50 pm NW 14.0 19.0----30.28- 48.7-----
0917 2:40 pmNNW 15.9 18.1----30.28- 48.7-----
0917 2:30 pmNNW 14.0 18.1----30.28- 48.6-----
0917 2:20 pmNNW 13.0 17.1----30.28- 48.4-----
0917 2:10 pm NW 14.0 18.1----30.29- 48.4-----
0917 2:00 pmNNW 15.0 18.1----30.28+0.01 48.7-----
0917 1:50 pmNNW 12.0 17.1----30.29- 48.6-----
0917 1:40 pm NW 13.0 19.0----30.29- 48.6-----
0917 1:30 pmNNW 14.0 19.0----30.28- 48.6-----
0917 1:20 pm NW 12.0 18.1----30.28- 48.6-----
0917 1:10 pm NW 15.0 19.0----30.28- 48.6-----
0917 1:00 pm NW 13.0 18.1----30.28+0.02 48.7-----
091712:50 pm NW 13.0 17.1----30.28- 49.1-----
091712:40 pm NW 11.1 18.1----30.28- 48.9-----
091712:30 pm NW 11.1 15.0----30.28- 48.9-----
091712:20 pm NW 13.0 15.9----30.28- 49.3-----
091712:10 pm NW 14.0 15.9----30.28- 48.9-----
091712:00 pm NW 9.9 15.9----30.28+0.04 49.1-----
091711:50 am NW 12.0 15.9----30.27- 49.1-----
091711:40 am NW 9.9 17.1----30.27- 49.3-----
091711:30 am NW 11.1 14.0----30.27- 49.1-----
091711:20 am NW 11.1 13.0----30.27- 49.3-----
091711:10 am NW 9.9 13.0----30.27- 49.3-----
091711:00 am NW 8.0 11.1----30.27+0.04 49.3-----
091710:50 amNNW 8.9 12.0----30.27- 49.1-----

Description of Measurements

Links which are specific to this station are listed below:

Real Time Data in tabular form for the last forty-five days.

Historical Data & Climatic Summaries for quality controlled data for the current month, previous months, and previous years.