Station List

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
(10:30 pm AKST on 02/28/2026)
0730 GMT on 03/01/2026:
     

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): 21 kts
5-day plot - Wind Gust Wind Gust (GST): 25 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):30.06 in
5-day plot - Air Temperature Air Temperature (ATMP): 14.7 °F
5-day plot - Wind Chill Wind Chill (CHILL): -4.2 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 19 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 21 kts
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Continuous Winds
TIME
(AKST)		 5-day plot - Wind Direction WDIR 5-day plot - Wind Speed WSPD
10:30 pmN ( 356 deg ) 20 kts
10:20 pmN ( 352 deg ) 19 kts
10:10 pmN ( 356 deg ) 19 kts
10:00 pmN ( 356 deg ) 20 kts
9:50 pmN ( 353 deg ) 19 kts
9:40 pmN ( 352 deg ) 21 kts
      
Peak gust during the measurement hour
TIME
(AKST)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
10:09 pmN ( 350 deg ) 33 kts
Previous observations
TIME
(AKST)		 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
2026-02-28 10:00 pm N 19 23----30.06+0.01 14.4-----
2026-02-28 09:30 pm N 18 25----30.05- 14.5-----
2026-02-28 09:00 pm N 22 27----30.04-0.01 14.5-----
2026-02-28 08:30 pm N 20 24----30.05- 14.5-----
2026-02-28 08:00 pm N 19 23----30.05-0.02 14.9-----
2026-02-28 07:30 pm N 17 21----30.05- 14.2-----
2026-02-28 07:00 pm N 21 28----30.05-0.03 13.6-----
2026-02-28 06:30 pm N 16 19----30.04- 14.0-----
2026-02-28 06:00 pmNNE 14 21----30.05-0.03 13.1-----
2026-02-28 05:30 pm NE 11 15----30.06- 12.7-----
2026-02-28 05:00 pmNNE 11 15----30.06-0.03 12.0-----
2026-02-28 04:30 pmENE 11 13----30.07- 12.4-----
2026-02-28 04:00 pmENE 16 20----30.07-0.04 11.7-----
2026-02-28 03:30 pm NE 13 16----30.09- 11.1-----
2026-02-28 03:00 pm E 16 18----30.08-0.04 10.4-----
2026-02-28 02:00 pmENE 14 17----30.10-0.04 10.0-----
2026-02-28 01:30 pmENE 14 17----30.10- 10.2-----
2026-02-28 01:00 pmNNE 8 11----30.11-0.03 9.9-----
2026-02-28 12:30 pmENE 12 14----30.11- 9.1-----
2026-02-28 12:00 pm NE 11 13----30.12-0.03 9.0-----
2026-02-28 11:30 amENE 11 14----30.12- 8.2-----
2026-02-28 11:00 am NE 10 16----30.13-0.02 8.1-----
2026-02-28 10:30 am NE 12 15----30.14- 8.4-----
2026-02-28 10:00 am NE 10 12----30.14-0.02 7.5-----
2026-02-28 09:30 am NE 12 13----30.14- 6.4-----
2026-02-28 09:00 am NE 13 16----30.14-0.03 6.6-----
2026-02-28 08:30 am NE 15 18----30.15- 5.7-----
2026-02-28 08:00 amNNE 12 16----30.16-0.04 5.7-----
2026-02-28 07:30 amNNE 11 14----30.16- 6.1-----
2026-02-28 07:00 amNNE 12 16----30.16-0.05 5.5-----
2026-02-28 06:30 am NE 13 16----30.16- 5.9-----
2026-02-28 06:00 am NE 15 18----30.17-0.06 5.7-----
2026-02-28 05:30 am N 13 18----30.18- 5.7-----
2026-02-28 05:00 amNNE 11 15----30.19-0.05 5.7-----
2026-02-28 04:30 am NE 12 14----30.20- 5.5-----
2026-02-28 04:00 am NE 13 15----30.21-0.04 5.7-----
2026-02-28 03:30 amNNE 13 16----30.22- 5.2-----
2026-02-28 03:00 amNNE 13 17----30.23-0.03 6.8-----
2026-02-28 02:30 am N 10 12----30.24- 6.3-----
2026-02-28 02:00 amNNE 11 14----30.24-0.02 5.7-----
2026-02-28 01:30 amNNE 11 14----30.25- 6.1-----
2026-02-28 01:00 amNNE 10 14----30.25-0.01 7.0-----
2026-02-28 12:30 amNNE 13 16----30.25- 6.6-----
2026-02-28 12:00 amNNE 12 14----30.26+0.00 6.4-----
2026-02-27 11:30 pmNNE 12 16----30.26- 7.0-----
2026-02-27 11:00 pmNNE 11 15----30.26+0.00 6.8-----
2026-02-27 10:30 pmNNE 12 15----30.27- 7.2-----
2026-02-27 10:00 pmNNE 10 13----30.27+0.01 7.2-----