Station List

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Station MRKA2 - Middle Rock Light, AK Image indicating link to RSS feed of recent meteorological observations for station MRKA2

Owned and maintained by National Data Buoy Center
C-MAN Station
Sutron XPERT payload
61.082 N 146.662 W (61°4'54" N 146°39'42" W)

Site elevation: 0 m above mean sea level
Air temp height: 15.4 m above site elevation
Anemometer height: 15.9 m above site elevation
Barometer elevation: 10.9 m above mean sea level

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Station MRKA2

Conditions at MRKA2 as of
(8:00 pm AKDT on 04/21/2025)
0400 GMT on 04/22/2025:
     

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):ENE ( 70 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 4 kts
5-day plot - Wind Gust Wind Gust (GST): 5 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.98 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):-0.02 in ( Falling )
5-day plot - Air Temperature Air Temperature (ATMP): 41.2 °F
5-day plot - Wind Chill Wind Chill (CHILL): 38.1 °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
(AKDT)		 5-day plot - Wind Direction WDIR 5-day plot - Wind Speed WSPD
8:00 pmENE ( 72 deg ) 4 kts
7:50 pmENE ( 67 deg ) 4 kts
7:40 pmENE ( 68 deg ) 3 kts
7:30 pmENE ( 75 deg ) 5 kts
7:20 pmENE ( 77 deg ) 4 kts
7:10 pmE ( 80 deg ) 5 kts
      
Peak gust during the measurement hour
TIME
(AKDT)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
7:00 pmE ( 80 deg ) 6 kts
Previous observations
TIME
(AKDT)		 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
2025-04-21 07:30 pmENE 4 4----29.99- 41.2-----
2025-04-21 07:00 pm E 6 6----29.99-0.02 41.0-----
2025-04-21 06:30 pm E 5 6----29.99- 41.0-----
2025-04-21 06:00 pm E 6 6----29.99-0.03 41.0-----
2025-04-21 05:30 pm NE 4 4----30.00- 41.2-----
2025-04-21 05:00 pmNNE 7 8----30.00-0.03 41.2-----
2025-04-21 04:30 pm NE 6 8----30.01- 41.0-----
2025-04-21 04:00 pm NE 6 8----30.01-0.03 40.6-----
2025-04-21 03:30 pmNNE 6 7----30.02- 39.9-----
2025-04-21 03:00 pmNNE 6 7----30.02-0.02 39.2-----
2025-04-21 02:30 pm NE 7 8----30.03- 38.8-----
2025-04-21 02:00 pm NE 7 7----30.03-0.02 38.3-----
2025-04-21 01:30 pmENE 8 9----30.04- 38.1-----
2025-04-21 01:00 pmENE 9 9----30.04-0.01 37.8-----
2025-04-21 12:30 pm NE 8 10----30.05- 37.8-----
2025-04-21 12:00 pmENE 8 9----30.05-0.02 37.6-----
2025-04-21 11:30 amENE 7 9----30.05- 37.6-----
2025-04-21 11:00 am NE 7 8----30.05-0.02 37.6-----
2025-04-21 10:30 amENE 7 7----30.06- 37.6-----
2025-04-21 10:00 am NE 6 7----30.06-0.02 37.6-----
2025-04-21 09:30 am NE 6 7----30.06- 37.6-----
2025-04-21 09:00 am NE 6 7----30.06-0.03 37.6-----
2025-04-21 08:30 am NE 8 9----30.07- 37.2-----
2025-04-21 08:00 am NE 8 9----30.07-0.04 37.4-----
2025-04-21 07:30 amENE 8 9----30.07- 37.6-----
2025-04-21 07:00 am E 3 4----30.08-0.04 37.2-----
2025-04-21 06:30 am E 2 3----30.09- 37.4-----
2025-04-21 06:00 am E 2 2----30.09-0.03 37.4-----
2025-04-21 05:30 amESE 1 2----30.10- 37.8-----
2025-04-21 05:00 am SW 5 5----30.11-0.03 38.1-----
2025-04-21 04:30 amSSW 2 2----30.11- 38.1-----
2025-04-21 04:00 am SW 3 5----30.12-0.02 38.5-----
2025-04-21 03:30 am W 4 5----30.12- 38.5-----
2025-04-21 03:00 am W 4 4----30.13-0.02 38.5-----
2025-04-21 02:30 am W 4 5----30.13- 38.7-----
2025-04-21 02:00 amSSW 4 5----30.14-0.02 39.0-----
2025-04-21 01:30 amSSW 3 3----30.14- 38.7-----
2025-04-21 01:00 am SW 6 6----30.14-0.02 39.2-----
2025-04-21 12:30 am SW 6 9----30.14- 38.7-----
2025-04-21 12:00 am S 3 5----30.14-0.02 38.5-----
2025-04-20 11:30 pm SW 3 3----30.15- 38.8-----
2025-04-20 11:00 pm E 3 3----30.15-0.01 38.3-----
2025-04-20 10:30 pmWSW 2 3----30.16- 38.8-----
2025-04-20 10:00 pm W 4 4----30.16-0.01 38.8-----
2025-04-20 09:30 pm SE 4 5----30.16- 38.5-----
2025-04-20 09:00 pm S 7 8----30.16-0.02 39.2-----
2025-04-20 08:30 pmSSW 7 8----30.16- 40.8-----
2025-04-20 08:00 pm SW 7 8----30.16-0.03 41.2-----