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
(2:00 am EDT)
0600 GMT on 08/11/2026:
     

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): 3 kts
5-day plot - Wind Gust Wind Gust (GST): 3 kts
5-day plot - Air Temperature Air Temperature (ATMP): 66.0 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 4 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 4 kts
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Continuous Winds
TIME
(EDT)		 5-day plot - Wind Direction WDIR 5-day plot - Wind Speed WSPD
2:00 amNW ( 323 deg ) 4 kts
1:50 amWNW ( 294 deg ) 5 kts
1:40 amWNW ( 282 deg ) 6 kts
1:30 amWNW ( 289 deg ) 5 kts
1:20 amW ( 272 deg ) 5 kts
1:10 amW ( 280 deg ) 5 kts
      
Peak gust during the measurement hour
TIME
(EDT)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
1:48 amWNW ( 290 deg ) 7 kts
Previous observations
TIME
(EDT)		 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
2026-08-11 01:00 am W 4 5------ 61.0-----
2026-08-11 12:00 am W 4 6------ 59.9-----
2026-08-10 11:00 pm W 14 15------ 61.9-----
2026-08-10 10:00 pmWSW 17 18------ 62.2-----
2026-08-10 09:00 pmWSW 15 17------ 61.3-----
2026-08-10 08:00 pm SW 13 13------ 60.4-----
2026-08-10 07:00 pm SW 14 15------ 60.8-----
2026-08-10 06:00 pm SW 11 11------ 61.3-----
2026-08-10 05:00 pmWSW 11 12------ 60.3-----
2026-08-10 04:00 pmWSW 3 4------ 58.6-----
2026-08-10 03:00 pmWSW 11 12----29.96- 59.0-----
2026-08-10 02:00 pm SW 8 8----29.96-0.01 58.6-----
2026-08-10 01:00 pm SW 7 7------ 58.6-----
2026-08-10 12:00 pmWSW 8 8------ 60.3-----
2026-08-10 11:00 am W 2 2----29.98- 60.3-----
2026-08-10 10:00 am NW 3 3------ 61.3-----
2026-08-10 09:00 am SW 3 3------ 59.5-----
2026-08-10 08:00 am- 0 1------ 57.9-----
2026-08-10 07:00 am NW 1 1------ 57.6-----
2026-08-10 06:00 amWNW 3 4------ 57.9-----
2026-08-10 05:00 am W 5 5------ 57.7-----
2026-08-10 04:00 am SW 7 7------ 56.7-----
2026-08-10 03:00 amWSW 8 9------ 58.5-----
2026-08-10 02:00 amWSW 9 9------ 59.7-----