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 11/13/2026:
     

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 ( 360 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 11 kts
5-day plot - Wind Gust Wind Gust (GST): 12 kts
5-day plot - Air Temperature Air Temperature (ATMP): 35.8 °F
5-day plot - Wind Chill Wind Chill (CHILL): 27.3 °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): 10 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 pmN ( 0 deg ) 10 kts
3:50 pmN ( 3 deg ) 10 kts
3:40 pmN ( 5 deg ) 11 kts
3:30 pmN ( 7 deg ) 11 kts
3:20 pmN ( 7 deg ) 11 kts
3:10 pmN ( 11 deg ) 12 kts
      
Peak gust during the measurement hour
TIME
(EST)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
3:12 pmN ( 10 deg ) 14 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
2026-11-13 03:00 pm N 13 15------ 34.5-----
2026-11-13 02:00 pm N 12 14------ 33.1-----
2026-11-13 01:00 pm N 12 14------ 31.6-----
2026-11-13 12:00 pmNNE 17 19------ 30.6-----
2026-11-13 11:00 amNNE 17 19------ 29.5-----
2026-11-13 10:00 am N 17 19------ 28.8-----
2026-11-13 09:00 am N 16 19------ 27.9-----
2026-11-13 08:00 am N 20 22------ 28.8-----
2026-11-13 07:00 am N 17 19------ 28.4-----
2026-11-13 06:00 am N 21 24------ 28.9-----
2026-11-13 05:00 am N 18 20------ 29.7-----
2026-11-13 04:00 am N 18 20------ 29.7-----
2026-11-13 03:00 am N 18 20------ 29.7-----
2026-11-13 02:00 am N 16 20------ 30.0-----
2026-11-13 01:00 am N 19 21------ 30.6-----
2026-11-13 12:00 am N 19 23------ 30.9-----
2026-11-12 11:00 pm N 20 23------ 31.5-----
2026-11-12 10:00 pmNNE 22 24------ 32.2-----
2026-11-12 09:00 pm N 20 24------ 33.1-----
2026-11-12 08:00 pm N 19 24------ 32.7-----
2026-11-12 07:00 pm N 22 24------ 32.9-----
2026-11-12 06:00 pm N 18 20------ 33.4-----
2026-11-12 05:00 pm N 20 22------ 34.0-----