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 am EST)
1300 GMT on 01/17/2026:
     

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): 31 kts
5-day plot - Wind Gust Wind Gust (GST): 33 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.84 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):+0.09 in ( Rising Rapidly )
5-day plot - Air Temperature Air Temperature (ATMP): 14.9 °F
5-day plot - Wind Chill Wind Chill (CHILL): -7.1 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 27 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 27 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 amN ( 355 deg ) 30 kts
7:50 amN ( 356 deg ) 29 kts
7:40 amN ( 359 deg ) 28 kts
7:30 amN ( 359 deg ) 28 kts
7:20 amN ( 358 deg ) 28 kts
7:10 amN ( 356 deg ) 28 kts
      
Peak gust during the measurement hour
TIME
(EST)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
7:54 amN ( 360 deg ) 35 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
2026-01-17 07:00 am N 28 31----29.81+0.08 16.5-----
2026-01-17 06:00 am N 28 30----29.77+0.07 18.0-----
2026-01-17 05:00 am N 26 28----29.75+0.07 20.1-----
2026-01-17 04:00 am N 24 26----29.73+0.08 21.6-----
2026-01-17 03:00 am N 22 24----29.70+0.06 22.1-----
2026-01-17 02:00 am N 23 26----29.68+0.05 22.5-----
2026-01-17 01:00 am N 23 25----29.65+0.05 23.2-----
2026-01-17 12:00 am N 24 26----29.64+0.04 23.0-----
2026-01-16 11:00 pm N 22 25----29.62+0.04 23.2-----
2026-01-16 10:00 pm N 24 26----29.60+0.04 23.2-----
2026-01-16 09:00 pm N 21 23----29.59+0.07 23.0-----
2026-01-16 08:00 pm N 20 22----29.58+0.08 23.5-----
2026-01-16 07:00 pm N 20 22----29.56+0.08 24.4-----
2026-01-16 06:00 pm N 20 21----29.52+0.07 24.8-----
2026-01-16 05:00 pm N 17 18----29.50+0.06 24.3-----
2026-01-16 04:00 pmNNE 15 16----29.47+0.04 24.4-----
2026-01-16 03:00 pm N 13 15----29.45+0.01 23.9-----
2026-01-16 02:00 pm N 15 16----29.44+0.00 23.4-----
2026-01-16 01:00 pm N 13 14----29.43+0.00 22.8-----
2026-01-16 12:00 pm N 12 14----29.44+0.02 22.6-----
2026-01-16 11:00 am N 13 15----29.43+0.02 22.1-----
2026-01-16 10:00 am N 14 15----29.43+0.01 21.4-----
2026-01-16 09:00 am N 13 14----29.42+0.01 22.1-----
2026-01-16 08:00 amNNE 12 15----29.41+0.01 22.8-----