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

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)
Station GRMM4

Conditions at GRMM4 as of
(1:50 am EDT)
0550 GMT on 03/09/2026:
     

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):SSW ( 200 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 15.9 kts
5-day plot - Wind Gust Wind Gust (GST): 22.9 kts
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 17.5 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 17.5 kts
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Previous observations
TIME
(EDT)		 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
2026-03-09 01:40 amSSW 18.1-------------
2026-03-09 01:30 amSSW 18.1 27.0------------
2026-03-09 01:20 amSSW 14.0 20.0------------
2026-03-09 01:10 amSSW 12.0 21.0------------
2026-03-09 01:00 amSSW 13.0 24.1------------
2026-03-09 12:50 amSSW 18.1 26.0------------
2026-03-09 12:40 am S 17.1 22.9------------
2026-03-09 12:30 am S 15.0 21.0------------
2026-03-09 12:20 am S 15.9 22.0------------
2026-03-09 12:10 am S 15.9 22.0------------
2026-03-09 12:00 amSSW 14.0 21.0------------
2026-03-08 11:50 pm S 15.9 22.0------------
2026-03-08 11:40 pm S 15.0 19.0------------
2026-03-08 11:30 pmSSW 12.0 18.1------------
2026-03-08 11:20 pmSSW 13.0 18.1------------
2026-03-08 11:10 pmSSW 13.0 19.0------------
2026-03-08 11:00 pmSSW 17.1 22.9------------
2026-03-08 10:50 pmSSW 17.1 22.9------------
2026-03-08 10:40 pmSSW 19.0 27.0------------
2026-03-08 10:30 pmSSW 17.1 25.1------------
2026-03-08 10:20 pmSSW 15.9 24.1------------
2026-03-08 10:10 pmSSW 15.0 20.0------------
2026-03-08 10:00 pmSSW 14.0 20.0------------
2026-03-08 09:50 pmSSW 13.0 19.0------------
2026-03-08 09:40 pmSSW 15.0 19.0------------
2026-03-08 09:30 pmSSW 13.0 20.0------------
2026-03-08 09:20 pmSSW 15.0 21.0------------
2026-03-08 09:10 pmSSW 15.0 22.9------------
2026-03-08 09:00 pmSSW 15.9 21.0------------
2026-03-08 08:50 pmSSW 14.0 18.1------------
2026-03-08 08:40 pmSSW 13.0 21.0------------
2026-03-08 08:30 pmSSW 15.0 22.0------------
2026-03-08 08:20 pmSSW 15.9 20.0------------
2026-03-08 08:10 pmSSW 12.0 17.1------------
2026-03-08 08:00 pmSSW 11.1 17.1------------
2026-03-08 07:50 pmSSW 12.0 15.0------------
2026-03-08 07:40 pmSSW 12.0 15.0------------
2026-03-08 07:30 pmSSW 11.1 15.0------------
2026-03-08 07:20 pmSSW 11.1 14.0------------
2026-03-08 07:10 pm SW 11.1 15.0------------
2026-03-08 07:00 pmWSW 12.0 18.1------------
2026-03-08 06:50 pmWSW 12.0 19.0------------
2026-03-08 06:40 pmWSW 14.0 24.1------------
2026-03-08 06:30 pmWSW 15.9 21.0------------
2026-03-08 06:20 pmWSW 15.0 22.0------------
2026-03-08 06:10 pmWSW 14.0 20.0------------
2026-03-08 06:00 pmWSW 17.1 19.0------------
2026-03-08 05:50 pmWSW 18.1 22.9------------
2026-03-08 05:40 pmWSW 17.1 19.0------------
2026-03-08 05:30 pm W 17.1 24.1------------
2026-03-08 05:20 pm W 20.0 28.0------------
2026-03-08 05:10 pm W 15.0 22.0------------
2026-03-08 05:00 pm W 18.1 25.1------------
2026-03-08 04:50 pm W 21.0 29.9------------
2026-03-08 04:40 pm W 20.0 29.9------------
2026-03-08 04:30 pm W 22.0 28.9------------
2026-03-08 04:20 pm W 26.0 31.1------------
2026-03-08 04:10 pm W 22.9 28.0------------
2026-03-08 04:00 pm W 17.1 25.1------------
2026-03-08 03:50 pm W 18.1 26.0------------
2026-03-08 03:40 pmWSW 22.9 31.1------------
2026-03-08 03:30 pmWSW 20.0 26.0------------
2026-03-08 03:20 pm SW 11.1 22.9------------
2026-03-08 03:10 pmWSW 17.1 21.0------------
2026-03-08 03:00 pm SW 14.0 19.0------------
2026-03-08 02:50 pmWSW 15.0 19.0------------
2026-03-08 02:40 pmWSW 12.0 18.1------------
2026-03-08 02:30 pmWSW 15.0 17.1------------
2026-03-08 02:20 pm SW 14.0 21.0------------
2026-03-08 02:10 pmWSW 12.0 18.1------------
2026-03-08 01:50 pmWSW 18.1 24.1------------
2026-03-08 01:40 pmWSW 15.9 27.0------------
2026-03-08 01:30 pmWSW 15.9 22.9------------
2026-03-08 01:20 pm W 15.9 22.9------------
2026-03-08 01:10 pmWSW 14.0 19.0------------
2026-03-08 01:00 pmWSW 13.0 19.0------------
2026-03-08 12:50 pmWSW 17.1 22.9------------
2026-03-08 12:40 pmWSW 15.9 19.0------------
2026-03-08 12:30 pm SW 14.0 19.0------------
2026-03-08 12:20 pmSSW 15.9 21.0------------
2026-03-08 12:10 pm SW 20.0 25.1------------
2026-03-08 12:00 pm SW 18.1 27.0------------
2026-03-08 11:50 am SW 19.0 26.0------------
2026-03-08 11:40 amSSW 20.0 27.0------------
2026-03-08 11:30 am SW 18.1 29.9------------
2026-03-08 11:20 am SW 21.0 27.0------------
2026-03-08 11:10 amSSW 22.9 29.9------------
2026-03-08 11:00 amSSW 21.0 28.9------------
2026-03-08 10:50 amSSW 22.9 32.1------------
2026-03-08 10:40 amSSW 22.9 27.0------------
2026-03-08 10:30 am SW 20.0 28.9------------
2026-03-08 10:20 am SW 22.0 28.0------------
2026-03-08 10:10 am SW 22.9 28.9------------
2026-03-08 10:00 am SW 22.0 28.0------------
2026-03-08 09:50 am SW 21.0 28.0------------
2026-03-08 09:40 am SW 19.0 28.9------------
2026-03-08 09:30 am SW 17.1 27.0------------
2026-03-08 09:20 am SW 20.0 27.0------------
2026-03-08 09:10 am SW 20.0 26.0------------
2026-03-08 09:00 am SW 17.1 25.1------------
2026-03-08 08:50 am SW 22.9 31.1------------
2026-03-08 08:40 amSSW 19.0 31.1------------
2026-03-08 08:30 amSSW 19.0 31.1------------
2026-03-08 08:20 am SW 24.1 28.9------------
2026-03-08 08:10 amSSW 22.0 31.1------------
2026-03-08 08:00 amSSW 21.0 29.9------------
2026-03-08 07:50 amSSW 20.0 35.9------------
2026-03-08 07:40 am S 29.9 49.0------------
2026-03-08 07:30 amSSW 25.1 33.0------------
2026-03-08 07:20 amSSW 19.0 27.0------------
2026-03-08 07:10 amSSW 20.0 32.1------------
2026-03-08 07:00 am S 22.9 32.1------------
2026-03-08 06:50 amSSW 22.0 33.0------------
2026-03-08 06:40 amSSW 21.0 29.9------------
2026-03-08 06:30 am S 22.0 28.9------------
2026-03-08 06:20 am S 19.0 28.0------------
2026-03-08 06:10 amSSW 19.0 29.9------------
2026-03-08 06:00 am S 21.0 31.1------------
2026-03-08 05:50 amSSW 21.0 34.0------------
2026-03-08 05:40 amSSW 24.1 32.1------------
2026-03-08 05:30 amSSW 21.0 28.9------------
2026-03-08 05:20 amSSW 20.0 29.9------------
2026-03-08 05:10 amSSW 18.1 27.0------------
2026-03-08 05:00 amSSW 19.0 28.0------------
2026-03-08 04:50 amSSW 19.0 28.9------------
2026-03-08 04:40 amSSW 20.0 25.1------------
2026-03-08 04:30 amSSW 18.1 27.0------------
2026-03-08 04:20 amSSW 17.1 21.0------------
2026-03-08 04:10 amSSW 15.0 22.0------------
2026-03-08 04:00 am S 14.0 19.0------------
2026-03-08 03:50 am S 9.9 12.0------------
2026-03-08 03:40 amSSE 8.9 13.0------------
2026-03-08 03:30 am S 9.9 12.0------------
2026-03-08 03:20 amSSW 8.0 9.9------------
2026-03-08 03:10 amSSW 7.0 11.1------------
2026-03-08 03:00 amSSW 6.0 11.1------------
2026-03-08 02:50 am SW 11.1 15.0------------
2026-03-08 02:40 am SW 8.0-------------
2026-03-08 02:30 amWSW 6.0 11.1------------
2026-03-08 02:20 am SW 6.0 8.0------------
2026-03-08 02:10 amWSW 5.1 8.9------------
2026-03-08 02:00 am SW 7.0 12.0------------
2026-03-08 01:50 am SW 7.0 8.9------------