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Station GRCM4 - GLRC Observatory Image indicating link to RSS feed of recent meteorological observations for station GRCM4

Station operated by Michigan Technological University
Coastal Marine Station
47.121 N 88.545 W (47°7'14" N 88°32'43" W)

Site elevation: 183 m above mean sea level
Air temp height: 185.82 m above site elevation
Anemometer height: 185.82 m above site elevation
Barometer elevation: 185.82 m above mean sea level

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station GRCM4

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yellow diamond Stations with recent data
red diamond Stations with no data in last 8 hours
(24 hours for tsunami stations)

Conditions at GRCM4 as of
(10:40 am CDT)
1540 GMT on 10/13/2026:
Note: This report is more than two hours old
     

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): W ( 270 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 4.1 kts
5-day plot - Air Temperature Air Temperature (ATMP): 48.2 °F
5-day plot - Dew Point Dew Point (DEWP): 45.1 °F
5-day plot - Wind Chill Wind Chill (CHILL): 46.2 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 3.9 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 3.9 kts
Previous observations
TIME
(CDT)		 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
2026-10-13 10:20 amWSW 7.0------- 48.2- 45.3---
2026-10-13 10:00 amWSW 6.0------- 48.0- 45.5---
2026-10-13 09:40 am W 4.1------- 48.2- 45.7---
2026-10-13 09:20 amWSW 1.9------- 48.2- 45.5---
2026-10-13 09:00 am- 0.0------- 48.0- 45.1---
2026-10-13 08:40 amSSE 1.9------- 47.7- 44.8---
2026-10-13 08:20 amENE 1.9------- 47.8- 44.8---
2026-10-13 08:00 amNNE 5.1------- 48.2- 45.3---
2026-10-13 07:40 am N 1.9------- 48.2- 45.3---
2026-10-13 07:20 amWSW 1.0------- 48.6- 46.0---
2026-10-13 07:00 am N 1.0------- 48.7- 46.2---
2026-10-13 06:40 amWSW 4.1------- 48.9- 46.8---
2026-10-13 06:20 am N 1.0------- 49.3- 47.1---
2026-10-13 06:00 am N 2.9------- 49.3- 47.3---
2026-10-13 05:40 am W 1.0------- 49.3- 47.3---
2026-10-13 05:20 am N 2.9------- 49.8- 47.8---
2026-10-13 05:00 amNNE 4.1------- 50.2- 48.2---
2026-10-13 04:40 amNNE 7.0------- 50.5- 48.6---
2026-10-13 04:20 amNNE 8.9------- 50.5- 48.4---
2026-10-13 04:00 amNNE 7.0------- 50.5- 48.4---
2026-10-13 03:40 amNNE 11.1------- 50.2- 48.2---
2026-10-13 03:20 amNNE 11.1------- 50.2- 48.0---
2026-10-13 03:00 amNNE 9.9------- 50.0- 47.8---
2026-10-13 02:40 amNNE 13.0------- 50.0- 47.5---
2026-10-13 02:20 amNNE 8.9------- 49.6- 47.1---
2026-10-13 02:00 amNNE 13.0------- 49.8- 47.7---
2026-10-13 01:40 amNNE 13.0------- 49.8- 47.5---
2026-10-13 01:20 amNNE 9.9------- 49.8- 47.5---
2026-10-13 01:00 amNNE 7.0------- 50.0- 47.8---
2026-10-13 12:40 amNNE 11.1------- 50.4- 48.0---
2026-10-13 12:20 am NE 15.9------- 50.0- 47.8---
2026-10-13 12:00 amNNE 15.0------- 50.0- 47.7---
2026-10-12 11:40 pmNNE 11.1------- 49.6- 47.5---
2026-10-12 10:40 pm N 7.0------- 49.8- 47.3---
2026-10-12 10:20 pmNNE 12.0------- 49.8- 47.3---
2026-10-12 10:00 pmNNE 12.0------- 49.6- 47.1---
2026-10-12 09:40 pmNNE 12.0------- 49.6- 47.3---
2026-10-12 09:20 pm NE 13.0------- 49.8- 47.5---
2026-10-12 09:00 pmNNE 15.9------- 49.8- 47.3---
2026-10-12 08:40 pmNNE 12.0------- 49.6- 47.1---
2026-10-12 08:20 pmNNE 15.0------- 49.6- 47.1---
2026-10-12 08:00 pmNNE 14.0------- 49.5- 46.9---
2026-10-12 07:40 pmNNE 15.9------- 49.3- 46.8---
2026-10-12 07:20 pm NE 15.0------- 49.1- 46.8---
2026-10-12 07:00 pmNNE 13.0------- 48.9- 46.6---
2026-10-12 06:40 pmNNE 12.0------- 48.7- 46.0---
2026-10-12 06:20 pmNNE 11.1------- 48.7- 46.4---
2026-10-12 06:00 pmNNE 9.9------- 48.4- 45.9---
2026-10-12 05:40 pmNNE 9.9------- 48.7- 46.0---
2026-10-12 05:20 pmNNE 12.0------- 48.6- 45.9---
2026-10-12 05:00 pmNNE 9.9------- 48.6- 45.9---
2026-10-12 04:40 pmNNE 13.0------- 48.6- 45.9---
2026-10-12 04:20 pmNNE 8.9------- 48.4- 45.7---
2026-10-12 04:00 pmNNE 9.9------- 48.4- 45.7---
2026-10-12 03:40 pmNNE 8.9------- 48.4- 45.5---
2026-10-12 03:20 pm N 7.0------- 48.7- 45.9---
2026-10-12 03:00 pmNNE 11.1------- 48.9- 45.9---
2026-10-12 02:40 pmNNE 8.9------- 48.9- 46.0---
2026-10-12 02:20 pmNNE 9.9------- 48.7- 45.9---
2026-10-12 02:00 pmNNE 9.9------- 48.9- 46.0---