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

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station ROAM4

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Station ROAM4

Conditions at ROAM4 as of
(4:00 pm EST)
2100 GMT on 01/21/2026:
     

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): N ( 350 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 5 kts
5-day plot - Wind Gust Wind Gust (GST): 7 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.72 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):-0.05 in ( Falling )
5-day plot - Air Temperature Air Temperature (ATMP): 13.5 °F
5-day plot - Wind Chill Wind Chill (CHILL): 4.3 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 6 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 6 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
4:00 pmNNW ( 341 deg ) 5 kts
3:50 pmNNW ( 331 deg ) 5 kts
3:40 pmNNW ( 339 deg ) 6 kts
3:30 pmNNW ( 348 deg ) 6 kts
3:20 pmN ( 350 deg ) 6 kts
3:10 pmN ( 353 deg ) 6 kts
      
Peak gust during the measurement hour
TIME
(EST)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
3:12 pmN ( 350 deg ) 9 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
2026-01-21 03:00 pm N 8 9----29.72-0.07 12.4-----
2026-01-21 02:00 pm N 4 7----29.74-0.06 11.5-----
2026-01-21 01:00 pmNNW 9 9----29.76-0.05 10.8-----
2026-01-21 12:00 pm N 9 11----29.79-0.04 10.4-----
2026-01-21 11:00 amNNW 9 10----29.80-0.05 10.6-----
2026-01-21 10:00 amNNW 10 12----29.82-0.04 10.6-----
2026-01-21 09:00 am NW 9 11----29.83-0.05 10.9-----
2026-01-21 08:00 amNNW 8 10----29.85-0.06 10.8-----
2026-01-21 07:00 amWNW 11 15----29.86-0.08 11.5-----
2026-01-21 06:00 amWNW 13 15----29.89-0.08 11.3-----
2026-01-21 05:00 amWNW 15 19----29.92-0.07 10.4-----
2026-01-21 04:00 amWNW 19 22----29.94-0.08 10.4-----
2026-01-21 03:00 amWNW 19 23----29.97-0.05 10.4-----
2026-01-21 02:00 amWNW 23 27----29.98-0.04 10.0-----
2026-01-21 01:00 amWNW 21 23----30.02-0.01 9.3-----
2026-01-21 12:00 amWNW 25 28----30.02-0.02 9.5-----
2026-01-20 11:00 pmWNW 25 29----30.03-0.03 10.8-----
2026-01-20 10:00 pm W 27 29----30.03-0.03 10.4-----
2026-01-20 09:00 pm W 25 27----30.05-0.01 10.8-----
2026-01-20 08:00 pm W 21 25----30.06-0.01 10.4-----
2026-01-20 07:00 pm W 18 20----30.06+0.00 9.5-----
2026-01-20 06:00 pmWNW 22 24----30.06-0.01 8.1-----
2026-01-20 05:00 pm W 20 23----30.07-0.01 7.9-----
2026-01-20 04:00 pmWNW 24 27----30.06-0.03 7.2-----