Station List

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

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Station GRMM4

Conditions at GRMM4 as of
(4:50 pm EST)
2150 GMT on 12/29/2025:
     

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):NNW ( 340 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 35.0 kts
5-day plot - Wind Gust Wind Gust (GST): 42.9 kts
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 36.9 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 38.9 kts
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Previous observations
TIME
(EST)		 5-day plot - Wind Direction
WDIR
 		 5-day plot - Wind Speed
WSPD
kts		 5-day plot - Wind Gust
GST
kts		 5-day plot - Wave Height
WVHT
ft		 5-day plot - Dominant Wave Period
DPD
sec		 5-day plot - Average Wave Period
APD
sec		 5-day plot - Mean Wave Direction
MWD
 		 5-day plot - Atmospheric Pressure
PRES
in		 5-day plot - Pressure Tendency
PTDY
in		 5-day plot - Air Temperature
ATMP
°F		 5-day plot - Water Temperature
WTMP
°F		 5-day plot - Dew Point
DEWP
°F		 5-day plot - Salinity
SAL
psu		 5-day plot - Visibility
VIS
nmi		 5-day plot - Tide (above MLLW)
TIDE
ft
2025-12-29 04:40 pmNNW 35.9 45.1------------
2025-12-29 04:30 pmNNW 36.9 44.1------------
2025-12-29 04:20 pmNNW 36.9 44.1------------
2025-12-29 04:10 pmNNW 35.9 45.1------------
2025-12-29 04:00 pmNNW 39.0 47.0------------
2025-12-29 03:50 pmNNW 35.9 42.9------------
2025-12-29 03:40 pmNNW 34.0 46.0------------
2025-12-29 03:30 pmNNW 39.0 46.0------------
2025-12-29 03:20 pmNNW 33.0 45.1------------
2025-12-29 03:10 pmNNW 32.1 42.9------------
2025-12-29 03:00 pmNNW 36.9 44.1------------
2025-12-29 02:50 pm N 38.1 46.0------------
2025-12-29 02:40 pmNNW 38.1 46.0------------
2025-12-29 02:30 pmNNW 35.0 46.0------------
2025-12-29 02:20 pmNNW 38.1 45.1------------
2025-12-29 02:10 pmNNW 40.0 48.0------------
2025-12-29 02:00 pmNNW 36.9 48.0------------
2025-12-29 01:50 pmNNW 38.1 46.0------------
2025-12-29 01:40 pmNNW 38.1 44.1------------
2025-12-29 01:30 pm N 38.1 48.0------------
2025-12-29 01:20 pmNNW 39.0 48.0------------
2025-12-29 01:00 pmNNW 34.0 45.1------------
2025-12-29 12:50 pmNNW 35.0 45.1------------
2025-12-29 12:40 pm N 38.1 47.0------------
2025-12-29 12:30 pm N 36.9 46.0------------
2025-12-29 12:20 pm N 39.0 47.0------------
2025-12-29 12:10 pm N 38.1-------------
2025-12-29 12:00 pm N 40.0 48.0------------
2025-12-29 11:50 am N 40.0 48.0------------
2025-12-29 11:40 am N 39.0 46.0------------
2025-12-29 11:30 am N 33.0 46.0------------
2025-12-29 11:20 am N 39.0 44.1------------
2025-12-29 11:10 am N 35.9 46.0------------
2025-12-29 11:00 am N 38.1 46.0------------
2025-12-29 10:50 am N 39.0 48.0------------
2025-12-29 10:40 amNNW 39.0 45.1------------
2025-12-29 10:30 am N 38.1 46.0------------
2025-12-29 10:20 am N 35.0 46.0------------
2025-12-29 10:10 am N 39.0 48.0------------
2025-12-29 09:50 am N 35.9 47.0------------
2025-12-29 09:40 am N 39.0 47.0------------
2025-12-29 09:30 am N 35.0 45.1------------
2025-12-29 09:20 am N 36.9 47.0------------
2025-12-29 09:10 am N 38.1 46.0------------
2025-12-29 09:00 am N 35.9 46.0------------
2025-12-29 07:50 am N 38.1 49.0------------
2025-12-29 07:40 am N 42.0 48.0------------
2025-12-29 07:20 am N 44.1 49.9------------
2025-12-29 07:10 am N 41.0 47.0------------
2025-12-29 07:00 am N 36.9 49.0------------
2025-12-29 05:50 am N 40.0 48.0------------
2025-12-29 05:40 am N 39.0 45.1------------
2025-12-29 05:30 am N 39.0 45.1------------
2025-12-29 05:20 am N 36.9 45.1------------
2025-12-29 05:10 am N 39.0 47.0------------
2025-12-29 05:00 am N 38.1 45.1------------
2025-12-29 04:50 am N 39.0 47.0------------
2025-12-29 04:40 am N 38.1 48.0------------
2025-12-29 04:30 amNNE 36.9 52.1------------
2025-12-29 04:20 amNNE 36.9 49.9------------
2025-12-29 04:10 am N 38.1 49.9------------
2025-12-29 04:00 amNNE 44.1 51.1------------
2025-12-29 03:40 amNNE 36.9 48.0------------
2025-12-29 03:30 amNNE 38.1 46.0------------
2025-12-29 03:20 amNNE 41.0 49.0------------
2025-12-29 03:10 amNNE 41.0 49.0------------
2025-12-29 03:00 amNNE 38.1-------------
2025-12-29 02:50 amNNE 40.0 46.0------------
2025-12-29 02:40 amNNE 36.9 47.0------------
2025-12-29 02:30 amNNE 41.0 46.0------------
2025-12-29 02:20 amNNE 42.0 49.0------------
2025-12-29 02:10 amNNE 36.9 46.0------------
2025-12-29 02:00 amNNE 40.0 46.0------------
2025-12-28 09:50 pmENE 24.1 27.0------------
2025-12-28 09:40 pmENE 22.9 25.1------------
2025-12-28 09:30 pm E 20.0 26.0------------
2025-12-28 09:20 pm E 22.9 26.0------------
2025-12-28 09:10 pmENE 20.0 24.1------------
2025-12-28 09:00 pm E 20.0 24.1------------
2025-12-28 08:40 pm E 18.1 22.0------------
2025-12-28 08:30 pm E 22.0 24.1------------
2025-12-28 08:20 pm E 20.0 22.0------------
2025-12-28 08:10 pm E 15.9 19.0------------
2025-12-28 08:00 pm E 15.9 18.1------------
2025-12-28 07:50 pm E 15.0 18.1------------
2025-12-28 07:40 pm E 15.9 18.1------------
2025-12-28 07:30 pm E 17.1 20.0------------
2025-12-28 07:20 pm E 17.1 22.0------------
2025-12-28 07:10 pm E 20.0 22.0------------
2025-12-28 07:00 pm E 18.1 22.0------------