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
(3:00 am EST)
0800 GMT on 01/20/2026:
     

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): NW ( 320 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 27 kts
5-day plot - Wind Gust Wind Gust (GST): 30 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):30.10 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):-0.04 in ( Falling )
5-day plot - Air Temperature Air Temperature (ATMP): -3.8 °F
5-day plot - Wind Chill Wind Chill (CHILL):-31.4 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 23 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 25 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
3:00 amNW ( 313 deg ) 26 kts
2:50 amNW ( 308 deg ) 25 kts
2:40 amNW ( 306 deg ) 23 kts
2:30 amNW ( 309 deg ) 21 kts
2:20 amNW ( 305 deg ) 18 kts
2:10 amNW ( 305 deg ) 18 kts
      
Peak gust during the measurement hour
TIME
(EST)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
2:57 amNW ( 310 deg ) 32 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
2026-01-20 02:00 am NW 17 18----30.14+0.00 -2.6-----
2026-01-20 01:00 amWNW 17 20----30.15+0.06 -2.9-----
2026-01-20 12:00 am NW 20 23----30.14+0.03 -3.1-----
2026-01-19 11:00 pm NW 23 25----30.13+0.01 -3.5-----
2026-01-19 10:00 pmWNW 32 34----30.09-0.03 -2.7-----
2026-01-19 09:00 pmWNW 29 34----30.11+0.01 -1.8-----
2026-01-19 08:00 pmWNW 22 26----30.12+0.02 -2.7-----
2026-01-19 07:00 pmWNW 16 19----30.12+0.01 -2.6-----
2026-01-19 06:00 pmWNW 22 27----30.11+0.02 -2.2-----
2026-01-19 05:00 pmWNW 20 22----30.11+0.00 -2.9-----
2026-01-19 04:00 pmWNW 18 20----30.11+0.00 -3.1-----
2026-01-19 03:00 pm NW 22 25----30.09-0.05 -3.6-----
2026-01-19 02:00 pmWNW 14 17----30.11-0.03 -3.6-----
2026-01-19 01:00 pm NW 19 20----30.11-0.01 -4.7-----
2026-01-19 12:00 pm NW 19 24----30.13+0.03 -6.2-----
2026-01-19 11:00 am NW 18 26----30.14+0.06 -6.5-----
2026-01-19 10:00 amNNW 20 25----30.12+0.11 -7.1-----
2026-01-19 09:00 amNNW 24 28----30.10+0.09 -6.7-----
2026-01-19 08:00 am N 27 31----30.08+0.11 -6.2-----
2026-01-19 07:00 amNNW 32 36----30.02+0.09 -4.7-----
2026-01-19 06:00 amNNW 30 33----30.01+0.12 -3.1-----
2026-01-19 05:00 amNNW 30 33----29.97+0.11 -0.4-----
2026-01-19 04:00 am N 30 35----29.93+0.08 2.7-----
2026-01-19 03:00 am N 35 40----29.89+0.05 3.0-----