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
(8:00 pm EST on 01/07/2026)
0100 GMT on 01/08/2026:
     

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): SW ( 220 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 12 kts
5-day plot - Wind Gust Wind Gust (GST): 12 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.74 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):+0.03 in ( Rising )
5-day plot - Air Temperature Air Temperature (ATMP): 35.8 °F
5-day plot - Wind Chill Wind Chill (CHILL): 26.8 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 10 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 12 kts
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
8:00 pmSW ( 226 deg ) 11 kts
7:50 pmSW ( 230 deg ) 10 kts
7:40 pmSW ( 229 deg ) 10 kts
7:30 pmWSW ( 238 deg ) 10 kts
7:20 pmWSW ( 237 deg ) 12 kts
7:10 pmSW ( 233 deg ) 15 kts
      
Peak gust during the measurement hour
TIME
(EST)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
7:06 pmSW ( 230 deg ) 19 kts
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
2026-01-07 07:00 pmWSW 17 18----29.74+0.03 35.1-----
2026-01-07 06:00 pm SW 22 25----29.74+0.04 34.7-----
2026-01-07 05:00 pm SW 24 26----29.71+0.01 34.3-----
2026-01-07 04:00 pmWSW 26 28----29.70+0.00 34.2-----
2026-01-07 03:00 pm SW 22 27----29.70-0.02 33.8-----
2026-01-07 02:00 pmWSW 27 30----29.70-0.02 33.4-----
2026-01-07 01:00 pm SW 24 27----29.71-0.01 32.5-----
2026-01-07 12:00 pm SW 25 27----29.71+0.00 32.2-----
2026-01-07 11:00 amSSW 24 28----29.72+0.01 32.0-----
2026-01-07 10:00 am SW 25 27----29.72+0.00 31.8-----
2026-01-07 09:00 am SW 23 26----29.71-0.01 31.8-----
2026-01-07 08:00 am SW 20 22----29.71+0.00 31.5-----
2026-01-07 07:00 am SW 18 20----29.72-0.01 31.1-----
2026-01-07 06:00 amWSW 18 20----29.72-0.01 30.7-----
2026-01-07 05:00 amWSW 18 19----29.72+0.00 29.7-----
2026-01-07 04:00 am W 13 16----29.73+0.02 29.1-----
2026-01-07 03:00 am W 9 11----29.73+0.01 28.0-----
2026-01-07 02:00 am W 11 14----29.72+0.01 27.7-----
2026-01-07 01:00 am W 9 11----29.72+0.00 28.0-----
2026-01-07 12:00 amWSW 14 16----29.72+0.01 28.0-----
2026-01-06 11:00 pm W 11 13----29.71+0.00 27.7-----
2026-01-06 10:00 pmWNW 7 11----29.71+0.01 27.3-----
2026-01-06 09:00 pm NW 9 10----29.71+0.02 27.0-----
2026-01-06 08:00 pm NW 12 13----29.71+0.03 27.3-----