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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
61.081 N 146.653 W (61°4'52" N 146°39'11" 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
(9:00 am AKDT)
1700 GMT on 07/20/2026:
     

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):NNE ( 20 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 7 kts
5-day plot - Wind Gust Wind Gust (GST): 7 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):30.15 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):-0.01 in ( Falling )
5-day plot - Air Temperature Air Temperature (ATMP): 49.3 °F
5-day plot - Wind Chill Wind Chill (CHILL): 45.9 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 6 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 8 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
9:00 amNE ( 46 deg ) 8 kts
8:50 amENE ( 65 deg ) 8 kts
8:40 amNE ( 56 deg ) 7 kts
8:30 amENE ( 61 deg ) 8 kts
8:20 amENE ( 57 deg ) 7 kts
8:10 amNE ( 54 deg ) 6 kts
      
Peak gust during the measurement hour
TIME
(AKDT)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
8:49 amENE ( 70 deg ) 11 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
2026-07-20 08:30 amENE 8 9----30.16- 49.5-----
2026-07-20 08:00 amENE 7 7----30.15-0.01 49.5-----
2026-07-20 07:30 am NE 7 7----30.15- 48.2-----
2026-07-20 07:00 am NE 7 7----30.16-0.02 48.6-----
2026-07-20 06:30 amNNE 7 7----30.16- 48.2-----
2026-07-20 06:00 am NE 9 9----30.16-0.03 48.7-----
2026-07-20 05:30 am NE 8 9----30.16- 48.7-----
2026-07-20 05:00 amNNE 8 8----30.17-0.03 48.7-----
2026-07-20 04:30 amNNE 8 8----30.17- 48.9-----
2026-07-20 04:00 amNNE 6 7----30.17-0.04 48.0-----
2026-07-20 03:30 am NE 6 7----30.18- 49.3-----
2026-07-20 03:00 am N 7 8----30.19-0.03 48.7-----
2026-07-20 02:30 amENE 6 7----30.20- 49.5-----
2026-07-20 02:00 am NE 8 8----30.19-0.03 49.1-----
2026-07-20 01:30 amNNE 6 7----30.20- 49.8-----
2026-07-20 01:00 amNNE 7 8----30.21-0.02 49.3-----
2026-07-20 12:30 amNNE 6 6----30.22- 49.6-----
2026-07-20 12:00 amNNE 8 9----30.22-0.01 48.6-----
2026-07-19 11:30 pmNNE 8 9----30.22- 48.0-----
2026-07-19 11:00 pmNNE 7 7----30.22-0.02 48.4-----
2026-07-19 10:30 pm NE 7 8----30.22- 48.6-----
2026-07-19 10:00 pm N 6 7----30.23-0.02 48.9-----
2026-07-19 09:30 pmNNE 9 9----30.22- 49.6-----
2026-07-19 09:00 pmNNE 10 10----30.23-0.03 48.9-----
2026-07-19 08:30 pmNNE 9 9----30.24- 48.6-----
2026-07-19 08:00 pmNNE 8 8----30.24-0.02 49.1-----
2026-07-19 07:30 pmNNE 8 8----30.24- 48.4-----
2026-07-19 07:00 pmNNE 5 6----30.25-0.02 48.4-----
2026-07-19 06:30 pm NE 6 6----30.26- 48.6-----
2026-07-19 06:00 pm NE 5 5----30.26-0.02 48.7-----
2026-07-19 05:30 pm NE 6 6----30.26- 48.4-----
2026-07-19 05:00 pm NE 3 4----30.27-0.02 48.9-----
2026-07-19 04:30 pmNNE 5 5----30.27- 48.7-----
2026-07-19 04:00 pmNNE 5 5----30.27-0.03 48.9-----
2026-07-19 03:30 pm NE 6 6----30.27- 48.6-----
2026-07-19 03:00 pmNNE 7 8----30.28-0.01 48.6-----
2026-07-19 02:30 pmNNE 10 10----30.28- 48.0-----
2026-07-19 02:00 pmNNE 7 8----30.29+0.01 48.4-----
2026-07-19 01:30 pmNNE 7 7----30.29- 47.8-----
2026-07-19 01:00 pmNNE 4 5----30.29+0.02 47.7-----
2026-07-19 12:30 pm NE 5 5----30.29- 47.3-----
2026-07-19 12:00 pmENE 5 5----30.29+0.01 47.8-----
2026-07-19 11:30 am NE 4 4----30.29- 48.2-----
2026-07-19 11:00 amNNE 6 6----30.28+0.00 47.1-----
2026-07-19 10:30 amNNE 7 8----30.27- 46.8-----
2026-07-19 10:00 amNNE 7 7----30.28+0.00 46.8-----
2026-07-19 09:30 amNNE 6 6----30.28- 47.7-----
2026-07-19 09:00 amNNE 5 6----30.28+0.00 47.5-----