Station List

Station ROAM4 - Rock of Ages, MI Image indicating link to RSS feed of recent meteorological observations for station ROAM4

Owned and maintained by National Data Buoy Center
C-MAN Station
MARS payload
47.867 N 89.315 W (47°52'0" N 89°18'55" W)

Site elevation: 183.5 m above mean sea level
Air temp height: 46.5 m above site elevation
Anemometer height: 46.9 m above site elevation
Barometer elevation: 222.7 m above mean sea level

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Important Notice to Mariners

Search And Rescue (SAR) Data

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Station ROAM4

Conditions at ROAM4 as of
(5:00 pm EST)
2200 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):13.9 m/s
5-day plot - Wind Gust Wind Gust (GST):15.4 m/s
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):1022.1 mb
5-day plot - Pressure Tendency Pressure Tendency (PTDY): +1.5 mb ( Rising )
5-day plot - Air Temperature Air Temperature (ATMP):-11.7 °C
5-day plot - Wind Chill Wind Chill (CHILL):-24.1 °C
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 12 m/s
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 13 m/s
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Continuous Winds
TIME
(EST)		 5-day plot - Wind Direction WDIR 5-day plot - Wind Speed WSPD
5:00 pmNNW ( 332 deg ) 14.4 m/s
4:50 pmNNW ( 330 deg ) 14.4 m/s
4:40 pmNW ( 324 deg ) 14.9 m/s
4:30 pmNNW ( 332 deg ) 13.9 m/s
4:20 pmNNW ( 332 deg ) 14.4 m/s
4:10 pmNNW ( 328 deg ) 13.4 m/s
      
Peak gust during the measurement hour
TIME
(EST)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
4:29 pmNNW ( 330 deg ) 17.5 m/s
Previous observations
TIME
(EST)		 5-day plot - Wind Direction
WDIR
 		 5-day plot - Wind Speed
WSPD
m/s		 5-day plot - Wind Gust
GST
m/s		 5-day plot - Wave Height
WVHT
m		 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
mb		 5-day plot - Pressure Tendency
PTDY
mb		 5-day plot - Air Temperature
ATMP
°C		 5-day plot - Water Temperature
WTMP
°C		 5-day plot - Dew Point
DEWP
°C		 5-day plot - Salinity
SAL
psu		 5-day plot - Visibility
VIS
km		 5-day plot - Tide (above MLLW)
TIDE
m
2025-12-29 04:00 pmNNW 13 14----1021.2 +0.6-11.3-----
2025-12-29 03:00 pmNNW 12 14----1021.1 +1.5-11.2-----
2025-12-29 02:00 pm NW 12 14----1020.6 +1.8-11.8-----
2025-12-29 01:00 pm NW 11 13----1020.6 +2.9-11.7-----
2025-12-29 12:00 pmNNW 15 18----1019.6 +3.9-11.8-----
2025-12-29 11:00 amNNW 16 19----1018.8 +3.8-11.6-----
2025-12-29 10:00 am N 19 22----1017.7 +4.1-11.7-----
2025-12-29 09:00 am N 20 22----1015.7 +3.3-10.9-----
2025-12-29 08:00 am N 18 20----1015.0 +3.0-10.8-----
2025-12-29 07:00 am N 19 21----1013.6 +3.8-10.8-----
2025-12-29 06:00 am N 20 22----1012.4 +2.5-10.7-----
2025-12-29 05:00 am N 19 21----1012.0 +3.4-10.8-----
2025-12-29 04:00 am N 23 24----1009.8 +1.5-10.5-----
2025-12-29 03:00 am N 20 22----1009.9 +2.4 -9.5-----
2025-12-29 02:00 am N 22 25----1008.6 +0.8 -9.1-----
2025-12-29 01:00 am N 20 22----1008.3 +1.0 -8.4-----
2025-12-29 12:00 am N 22 23----1007.5 -0.3 -8.2-----
2025-12-28 11:00 pm N 18 20----1007.8 +0.0 -7.4-----
2025-12-28 10:00 pm N 22 23----1007.3 +0.0 -7.3-----
2025-12-28 09:00 pmNNE 18 20----1007.8 +1.4 -6.7-----
2025-12-28 08:00 pm N 17 20----1007.6 +0.8 -6.2-----
2025-12-28 07:00 pm N 18 20----1007.2 +0.0 -5.6-----
2025-12-28 06:00 pmNNE 18 20----1006.4 -0.6 -4.0-----
2025-12-28 05:00 pmNNE 17 18----1006.8 -0.5 -3.0-----