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
(9:30 pm AKDT on 04/12/2025)
0530 GMT on 04/13/2025:
     

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): 10 kts
5-day plot - Wind Gust Wind Gust (GST): 11 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.85 in
5-day plot - Air Temperature Air Temperature (ATMP): 36.7 °F
5-day plot - Wind Chill Wind Chill (CHILL): 28.9 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 10 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 10 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
9:30 pmE ( 88 deg ) 11 kts
9:20 pmE ( 83 deg ) 9 kts
9:10 pmE ( 79 deg ) 8 kts
9:00 pmE ( 88 deg ) 11 kts
8:50 pmE ( 83 deg ) 10 kts
8:40 pmE ( 84 deg ) 10 kts
      
Peak gust during the measurement hour
TIME
(AKDT)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
8:55 pmENE ( 70 deg ) 13 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
2025-04-12 09:00 pm E 11 12----29.85-0.07 36.9-----
2025-04-12 08:30 pm E 8 8----29.86- 37.9-----
2025-04-12 08:00 pm NE 7 8----29.88-0.07 38.3-----
2025-04-12 07:30 pm NE 7 7----29.89- 38.5-----
2025-04-12 07:00 pm NE 6 7----29.91-0.07 38.1-----
2025-04-12 06:30 pm NE 7 7----29.92- 38.1-----
2025-04-12 06:00 pm NE 6 6----29.93-0.08 37.9-----
2025-04-12 05:30 pm NE 7 7----29.94- 37.9-----
2025-04-12 05:00 pm NE 4 6----29.96-0.07 37.9-----
2025-04-12 04:30 pm N 4 5----29.97- 37.6-----
2025-04-12 04:00 pmNNE 3 4----29.98-0.05 37.2-----
2025-04-12 03:30 pmENE 3 3----29.99- 36.7-----
2025-04-12 03:00 pm NE 4 5----30.01-0.01 36.0-----
2025-04-12 02:30 pmENE 4 5----30.01- 35.1-----
2025-04-12 02:00 pmENE 6 7----30.03+0.00 34.9-----
2025-04-12 01:30 pmNNE 6 9----30.03- 35.4-----
2025-04-12 01:00 pmENE 4 5----30.03+0.01 35.6-----
2025-04-12 12:30 pm E 5 5----30.03- 35.2-----
2025-04-12 12:00 pm E 7 8----30.02+0.00 34.9-----
2025-04-12 11:30 am NE 6 6----30.02- 35.1-----
2025-04-12 11:00 am N 4 5----30.02+0.00 34.3-----
2025-04-12 10:30 amENE 7 8----30.02- 33.4-----
2025-04-12 10:00 am NE 7 8----30.02+0.00 32.7-----
2025-04-12 09:30 amNNE 7 8----30.03- 32.5-----
2025-04-12 09:00 am NE 7 8----30.02+0.00 33.6-----
2025-04-12 08:30 amENE 7 7----30.02- 33.6-----
2025-04-12 08:00 am NE 7 8----30.02+0.00 34.0-----
2025-04-12 07:30 amENE 8 10----30.01- 34.0-----
2025-04-12 07:00 amENE 8 8----30.01-0.01 33.8-----
2025-04-12 06:30 am NE 6 8----30.01- 33.6-----
2025-04-12 06:00 amNNE 9 9----30.02+0.00 34.2-----
2025-04-12 05:30 am NE 8 10----30.02- 34.3-----
2025-04-12 05:00 am NE 9 10----30.02+0.00 34.0-----
2025-04-12 04:30 am NE 7 8----30.02- 33.8-----
2025-04-12 04:00 amNNE 8 9----30.02+0.00 33.4-----
2025-04-12 03:30 amNNE 8 9----30.02- 33.6-----
2025-04-12 03:00 amNNE 6 7----30.02+0.00 33.1-----
2025-04-12 02:30 am NE 8 9----30.02- 33.4-----
2025-04-12 02:00 am NE 8 8----30.02+0.01 34.0-----
2025-04-12 01:30 am E 9 11----30.02- 32.9-----
2025-04-12 01:00 am E 6 7----30.02+0.01 33.4-----
2025-04-12 12:30 amENE 7 8----30.02- 33.6-----
2025-04-12 12:00 am E 6 9----30.02+0.02 33.6-----
2025-04-11 11:30 pmNNE 6 7----30.01- 34.0-----
2025-04-11 11:00 pm NE 3 4----30.01+0.04 33.8-----
2025-04-11 10:30 pm E 6 7----30.01- 33.1-----
2025-04-11 10:00 pm E 2 3----30.01+0.04 32.7-----