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
(8:30 am AKST)
1730 GMT on 12/26/2025:
     

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 ( 60 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 15 kts
5-day plot - Wind Gust Wind Gust (GST): 17 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):30.00 in
5-day plot - Air Temperature Air Temperature (ATMP): 19.0 °F
5-day plot - Wind Chill Wind Chill (CHILL): 4.1 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 14 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 16 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
8:30 amENE ( 62 deg ) 14 kts
8:20 amENE ( 65 deg ) 15 kts
8:10 amENE ( 61 deg ) 12 kts
8:00 amENE ( 62 deg ) 14 kts
7:50 amNE ( 56 deg ) 12 kts
7:40 amENE ( 63 deg ) 13 kts
      
Peak gust during the measurement hour
TIME
(AKST)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
7:44 amENE ( 70 deg ) 20 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
2025-12-26 08:00 amENE 14 16----29.99-0.03 18.7-----
2025-12-26 07:30 amENE 11 14----30.00- 19.0-----
2025-12-26 07:00 am NE 13 16----30.00-0.02 19.2-----
2025-12-26 06:30 amENE 13 17----30.00- 19.2-----
2025-12-26 06:00 amENE 14 17----30.01+0.00 19.0-----
2025-12-26 05:30 amENE 15 17----30.02- 19.8-----
2025-12-26 05:00 amENE 15 17----30.02+0.00 20.3-----
2025-12-26 04:30 amENE 17 19----30.02- 21.0-----
2025-12-26 04:00 amENE 15 18----30.02+0.00 21.2-----
2025-12-26 03:30 am E 11 15----30.03- 21.6-----
2025-12-26 03:00 am E 17 19----30.02+0.00 22.8-----
2025-12-26 02:30 amNNE 10 12----30.03- 24.3-----
2025-12-26 02:00 amNNE 11 13----30.02+0.00 24.1-----
2025-12-26 01:30 amNNE 7 10----30.03- 25.0-----
2025-12-26 01:00 amNNE 12 16----30.03+0.00 24.8-----
2025-12-26 12:30 am N 14 22----30.02- 25.5-----
2025-12-26 12:00 am N 15 19----30.02-0.01 25.0-----
2025-12-25 11:30 pm N 15 21----30.03- 25.3-----
2025-12-25 11:00 pmNNE 17 20----30.02-0.02 25.5-----
2025-12-25 10:30 pm N 15 18----30.03- 25.2-----
2025-12-25 10:00 pm N 15 17----30.03-0.02 25.3-----
2025-12-25 09:30 pmNNE 15 19----30.03- 25.2-----
2025-12-25 09:00 pmNNE 17 20----30.03+0.00 25.2-----
2025-12-25 08:30 pm N 17 20----30.04- 25.2-----
2025-12-25 08:00 pm N 17 22----30.04+0.03 25.7-----
2025-12-25 07:30 pm N 17 19----30.04- 25.0-----
2025-12-25 07:00 pmNNE 14 19----30.04+0.04 26.1-----
2025-12-25 06:30 pm NE 21 25----30.03- 26.6-----
2025-12-25 06:00 pmENE 20 24----30.03+0.04 26.4-----
2025-12-25 05:30 pmENE 19 23----30.02- 26.6-----
2025-12-25 05:00 pm E 25 32----30.01+0.00 27.0-----
2025-12-25 04:30 pm E 20 25----30.01- 25.7-----
2025-12-25 04:00 pm E 21 23----30.01+0.00 25.7-----
2025-12-25 03:30 pmENE 27 31----29.99- 26.8-----
2025-12-25 03:00 pmENE 26 35----29.99+0.01 27.0-----
2025-12-25 02:30 pmENE 22 29----30.01- 26.1-----
2025-12-25 02:00 pm E 25 28----30.01+0.06 26.6-----
2025-12-25 01:30 pm E 24 26----30.00- 26.4-----
2025-12-25 01:00 pmENE 22 26----30.01+0.05 27.1-----
2025-12-25 12:30 pm E 21 24----29.99- 27.0-----
2025-12-25 12:00 pmENE 23 28----29.98+0.05 27.1-----
2025-12-25 11:30 amENE 23 27----29.97- 26.8-----
2025-12-25 11:00 am E 29 31----29.95+0.03 26.4-----
2025-12-25 10:30 am E 21 26----29.96- 26.6-----
2025-12-25 10:00 am NE 19 23----29.95+0.05 27.0-----
2025-12-25 09:30 amENE 16 19----29.95- 27.7-----
2025-12-25 09:00 am NE 24 28----29.93+0.04 28.4-----
2025-12-25 08:30 amENE 26 32----29.92- 27.7-----
2025-12-25 08:00 amNNE 22 30----29.91+0.03 28.2-----