Hurricane Symbol View the latest observations near East Pacific Tropical Storm Norbert.

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


Conditions at GRMM4 as of
(2:50 am EDT)
0650 GMT on 09/13/2026:
     

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):WNW ( 300 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 20.0 kts
5-day plot - Wind Gust Wind Gust (GST): 24.1 kts
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 21.4 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 21.4 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
2026-09-13 02:40 amWNW 22.9 25.1------------
2026-09-13 02:30 amWNW 22.9 26.0------------
2026-09-13 02:20 amWNW 21.0 26.0------------
2026-09-13 02:10 amWNW 22.0 25.1------------
2026-09-13 02:00 amWNW 22.0 26.0------------
2026-09-13 01:50 amWNW 22.0 25.1------------
2026-09-13 01:40 amWNW 22.0 24.1------------
2026-09-13 01:30 amWNW 22.0 25.1------------
2026-09-13 01:20 amWNW 20.0 25.1------------
2026-09-13 01:10 amWNW 20.0 22.9------------
2026-09-13 01:00 amWNW 20.0 24.1------------
2026-09-13 12:50 amWNW 20.0 24.1------------
2026-09-13 12:40 amWNW 22.0 24.1------------
2026-09-13 12:30 am W 22.0 25.1------------
2026-09-13 12:20 amWNW 20.0 22.9------------
2026-09-13 12:10 amWNW 20.0 24.1------------
2026-09-13 12:00 am W 21.0 24.1------------
2026-09-12 11:40 pmWNW 20.0 25.1------------
2026-09-12 11:20 pmWNW 21.0 24.1------------
2026-09-12 11:10 pmWNW 21.0 22.9------------
2026-09-12 11:00 pmWNW 19.0 22.9------------
2026-09-12 10:50 pmWNW 19.0 22.9------------
2026-09-12 10:40 pmWNW 20.0 24.1------------
2026-09-12 10:30 pmWNW 20.0 25.1------------
2026-09-12 10:20 pmWNW 21.0 25.1------------
2026-09-12 10:10 pmWNW 21.0 24.1------------
2026-09-12 10:00 pm NW 19.0 22.9------------
2026-09-12 09:50 pmWNW 22.0 25.1------------
2026-09-12 09:40 pmWNW 21.0 25.1------------
2026-09-12 09:30 pmWNW 21.0 27.0------------
2026-09-12 09:20 pmWNW 22.9 27.0------------
2026-09-12 09:10 pmWNW 24.1 28.0------------
2026-09-12 09:00 pmWNW 26.0 31.1------------
2026-09-12 08:50 pm NW 24.1 28.9------------
2026-09-12 08:40 pm NW 24.1 28.9------------
2026-09-12 08:30 pm NW 21.0 25.1------------
2026-09-12 08:20 pmWNW 20.0 24.1------------
2026-09-12 08:10 pm NW 22.0 26.0------------
2026-09-12 08:00 pm NW 22.0 28.0------------
2026-09-12 07:50 pm NW 22.9 27.0------------
2026-09-12 07:40 pm NW 22.0 28.9------------
2026-09-12 07:30 pm NW 25.1 28.9------------
2026-09-12 07:20 pm NW 18.1 22.0------------
2026-09-12 07:10 pmWNW 15.9 20.0------------
2026-09-12 07:00 pm W 13.0 17.1------------
2026-09-12 06:50 pmWNW 14.0 18.1------------
2026-09-12 06:40 pmWNW 15.0 18.1------------
2026-09-12 06:30 pmWNW 15.9 18.1------------
2026-09-12 06:20 pmWNW 15.9 17.1------------
2026-09-12 06:10 pmWNW 15.0 17.1------------
2026-09-12 06:00 pmWNW 14.0 17.1------------
2026-09-12 05:50 pmWNW 14.0 15.9------------
2026-09-12 05:40 pmWNW 13.0-------------
2026-09-12 05:30 pmWNW 15.0 20.0------------
2026-09-12 05:20 pm NW 19.0 22.0------------
2026-09-12 05:10 pm NW 17.1 22.0------------
2026-09-12 05:00 pmWNW 19.0 24.1------------
2026-09-12 04:50 pmWNW 20.0 22.9------------
2026-09-12 04:40 pmWNW 19.0 22.0------------
2026-09-12 04:30 pmWNW 18.1 21.0------------
2026-09-12 04:20 pmWNW 20.0 22.0------------
2026-09-12 04:10 pmWNW 19.0 22.0------------
2026-09-12 04:00 pmWNW 19.0 22.0------------
2026-09-12 03:50 pm W 18.1 22.0------------
2026-09-12 03:40 pmWNW 19.0 22.0------------
2026-09-12 03:30 pmWNW 18.1 21.0------------
2026-09-12 03:20 pmWNW 15.9 21.0------------
2026-09-12 03:10 pmWNW 19.0 21.0------------
2026-09-12 03:00 pm W 15.9 20.0------------
2026-09-12 02:50 pmWNW 19.0 22.9------------
2026-09-12 02:40 pmWNW 18.1 22.9------------
2026-09-12 02:30 pmWNW 20.0 22.9------------
2026-09-12 02:20 pm W 18.1 21.0------------
2026-09-12 02:10 pm W 19.0 22.9------------
2026-09-12 02:00 pm W 18.1 22.0------------
2026-09-12 01:50 pm W 19.0 26.0------------
2026-09-12 01:40 pm W 22.9 28.9------------
2026-09-12 01:30 pm W 15.0 18.1------------
2026-09-12 01:20 pm W 15.9 19.0------------
2026-09-12 01:10 pm W 15.0 20.0------------
2026-09-12 01:00 pm W 18.1 20.0------------
2026-09-12 12:50 pm W 15.9 20.0------------
2026-09-12 12:40 pmWSW 13.0 15.0------------
2026-09-12 12:30 pm SW 9.9 15.0------------
2026-09-12 12:20 pm SW 14.0 18.1------------
2026-09-12 12:10 pm SW 15.0 18.1------------
2026-09-12 11:50 am SW 12.0 19.0------------
2026-09-12 11:40 am SW 15.9 20.0------------
2026-09-12 11:30 am SW 15.0 20.0------------
2026-09-12 11:20 am SW 13.0 22.0------------
2026-09-12 11:10 am SW 15.9-------------
2026-09-12 11:00 am SW 15.0 22.9------------
2026-09-12 10:50 am SW 15.9 26.0------------
2026-09-12 10:40 amSSW 21.0 26.0------------
2026-09-12 10:30 am SW 24.1 28.9------------
2026-09-12 10:20 am SW 17.1 22.0------------
2026-09-12 10:10 am SW 18.1 25.1------------
2026-09-12 10:00 amSSW 19.0 26.0------------
2026-09-12 09:50 amSSW 20.0 27.0------------
2026-09-12 09:40 amSSW 19.0 28.9------------
2026-09-12 09:30 amSSW 19.0 25.1------------
2026-09-12 09:20 amSSW 17.1 28.0------------
2026-09-12 09:10 amSSW 17.1 22.9------------
2026-09-12 09:00 amSSW 15.0 22.9------------
2026-09-12 08:50 am S 18.1-------------
2026-09-12 08:40 am S 17.1 24.1------------
2026-09-12 08:30 am S 17.1 22.9------------
2026-09-12 08:20 amSSW 15.9 22.9------------
2026-09-12 08:10 amSSW 17.1 24.1------------
2026-09-12 08:00 amSSW 15.9 22.9------------
2026-09-12 07:50 amSSW 13.0 20.0------------
2026-09-12 07:40 amSSW 14.0 19.0------------
2026-09-12 07:30 amSSW 14.0 21.0------------
2026-09-12 07:20 amSSW 15.9 21.0------------
2026-09-12 07:10 amSSW 17.1 26.0------------
2026-09-12 07:00 amSSW 17.1 26.0------------
2026-09-12 06:50 amSSW 18.1 26.0------------
2026-09-12 06:40 am S 19.0 26.0------------
2026-09-12 06:30 amSSW 17.1 24.1------------
2026-09-12 06:20 amSSW 18.1 26.0------------
2026-09-12 06:10 amSSW 18.1 26.0------------
2026-09-12 06:00 am S 21.0 26.0------------
2026-09-12 05:50 amSSW 18.1 22.9------------
2026-09-12 05:40 amSSW 15.9 24.1------------
2026-09-12 05:30 amSSW 14.0 24.1------------
2026-09-12 05:20 amSSW 14.0 22.9------------
2026-09-12 05:10 amSSW 15.0 21.0------------
2026-09-12 05:00 amSSW 15.9 22.9------------
2026-09-12 04:40 amSSW 17.1 28.0------------
2026-09-12 04:30 amSSW 21.0 28.9------------
2026-09-12 04:20 amSSW 22.9 32.1------------
2026-09-12 04:10 am S 19.0 26.0------------
2026-09-12 04:00 am S 21.0 28.0------------
2026-09-12 03:50 amSSW 22.0 28.0------------
2026-09-12 03:40 am S 17.1 22.9------------
2026-09-12 03:30 am S 13.0 19.0------------
2026-09-12 03:20 am S 13.0 18.1------------
2026-09-12 03:10 am S 14.0 18.1------------
2026-09-12 03:00 amSSW 8.9 15.9------------
2026-09-12 02:50 amSSW 9.9 15.0------------