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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
(6:30 pm AKDT on 09/05/2026)
0230 GMT on 09/06/2026:
     

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 ( 30 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 2 kts
5-day plot - Wind Gust Wind Gust (GST): 2 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):30.10 in
5-day plot - Air Temperature Air Temperature (ATMP): 51.8 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 2 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 2 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
6:30 pmNNE ( 24 deg ) 3 kts
6:20 pmNNE ( 30 deg ) 3 kts
6:10 pmNNE ( 31 deg ) 2 kts
6:00 pmNNE ( 24 deg ) 3 kts
5:50 pmNE ( 46 deg ) 2 kts
5:40 pmNNE ( 32 deg ) 2 kts
      
Peak gust during the measurement hour
TIME
(AKDT)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
5:48 pmNNE ( 30 deg ) 4 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
2026-09-05 06:00 pmNNE 3 3----30.10-0.01 51.4-----
2026-09-05 05:30 pmNNE 3 3----30.10- 51.4-----
2026-09-05 05:00 pmENE 3 3----30.10-0.02 51.4-----
2026-09-05 04:30 pmENE 3 4----30.10- 50.9-----
2026-09-05 04:00 pmNNE 4 4----30.09-0.02 50.4-----
2026-09-05 03:30 pmNNE 6 6----30.10- 49.5-----
2026-09-05 03:00 pm N 5 6----30.11+0.00 49.3-----
2026-09-05 02:30 pmNNE 4 5----30.12- 49.1-----
2026-09-05 02:00 pmNNE 4 5----30.12+0.01 48.9-----
2026-09-05 01:30 pmNNE 5 5----30.11- 48.7-----
2026-09-05 01:00 pmNNE 6 6----30.11+0.00 48.4-----
2026-09-05 12:30 pm NE 6 6----30.11- 48.0-----
2026-09-05 12:00 pmNNE 5 5----30.11+0.00 47.8-----
2026-09-05 11:30 amNNE 4 4----30.11- 48.0-----
2026-09-05 11:00 am NE 5 5----30.11-0.01 48.0-----
2026-09-05 10:30 amNNE 6 6----30.11- 47.8-----
2026-09-05 10:00 amNNE 6 7----30.11+0.00 47.3-----
2026-09-05 09:30 amNNE 5 6----30.12- 47.5-----
2026-09-05 09:00 amNNE 6 6----30.12+0.00 47.8-----
2026-09-05 08:30 amNNE 6 7----30.12- 47.7-----
2026-09-05 08:00 amNNE 5 6----30.12+0.00 48.0-----
2026-09-05 07:30 am NE 7 7----30.11- 48.2-----
2026-09-05 07:00 amNNE 6 6----30.11-0.01 48.0-----
2026-09-05 06:30 amNNE 7 7----30.11- 48.4-----
2026-09-05 06:00 amNNE 8 9----30.12-0.02 47.5-----
2026-09-05 05:30 amENE 6 6----30.12- 48.2-----
2026-09-05 05:00 amNNE 3 5----30.12-0.02 49.5-----
2026-09-05 04:30 am- 0 0----30.12- 49.1-----
2026-09-05 04:00 amNNE 1 2----30.13-0.01 49.5-----
2026-09-05 03:30 amENE 3 3----30.14- 49.5-----
2026-09-05 03:00 am NE 4 5----30.14-0.02 50.7-----
2026-09-05 02:30 am N 6 7----30.14- 49.1-----
2026-09-05 02:00 am NE 3 4----30.14-0.01 50.4-----
2026-09-05 01:30 am NE 3 3----30.14- 49.6-----
2026-09-05 01:00 am NE 6 7----30.14-0.01 49.3-----
2026-09-05 12:30 amNNE 3 4----30.15- 49.8-----
2026-09-05 12:00 am NE 6 6----30.15+0.00 50.2-----
2026-09-04 11:30 pmNNE 4 5----30.15- 49.8-----
2026-09-04 11:00 pm NE 3 4----30.16+0.00 50.5-----
2026-09-04 10:30 pmNNE 3 4----30.16- 49.8-----
2026-09-04 10:00 pm E 4 5----30.15+0.01 50.5-----
2026-09-04 09:30 pm- 0 2----30.16- 51.8-----
2026-09-04 09:00 pm S 3 4----30.15+0.00 53.1-----
2026-09-04 08:30 pm SW 5 6----30.15- 54.1-----
2026-09-04 08:00 pmSSW 10 10----30.15+0.00 54.9-----
2026-09-04 07:30 pmSSW 11 12----30.15- 54.7-----
2026-09-04 07:00 pmSSW 14 15----30.14-0.02 55.0-----
2026-09-04 06:30 pmSSW 16 17----30.14- 55.4-----
2026-09-04 06:00 pmSSW 15 15----30.14-0.02 55.9-----