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
(7:00 am AKST)
1600 GMT on 02/07/2026:
     

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): 12 kts
5-day plot - Wind Gust Wind Gust (GST): 14 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.37 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):-0.03 in ( Falling )
5-day plot - Air Temperature Air Temperature (ATMP): 38.1 °F
5-day plot - Wind Chill Wind Chill (CHILL): 29.8 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 12 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 14 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
7:00 amNNE ( 27 deg ) 11 kts
6:50 amNE ( 38 deg ) 9 kts
6:40 amNNE ( 19 deg ) 11 kts
6:30 amENE ( 66 deg ) 11 kts
6:20 amNE ( 52 deg ) 11 kts
6:10 amENE ( 66 deg ) 12 kts
      
Peak gust during the measurement hour
TIME
(AKST)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
6:59 amNNE ( 30 deg ) 14 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
2026-02-07 06:30 amNNE 10 10----29.38- 37.4-----
2026-02-07 06:00 amENE 12 13----29.38-0.03 38.1-----
2026-02-07 05:30 am NE 9 11----29.39- 38.3-----
2026-02-07 05:00 amENE 9 10----29.39-0.03 37.8-----
2026-02-07 04:30 amNNE 9 11----29.39- 37.9-----
2026-02-07 04:00 amNNE 10 11----29.40-0.04 36.9-----
2026-02-07 03:30 am E 11 12----29.40- 38.1-----
2026-02-07 03:00 am E 9 10----29.41-0.03 37.4-----
2026-02-07 02:30 amENE 8 9----29.42- 37.2-----
2026-02-07 02:00 am E 12 12----29.42-0.05 37.4-----
2026-02-07 01:30 amENE 10 12----29.43- 36.7-----
2026-02-07 01:00 amENE 12 12----29.43-0.06 37.8-----
2026-02-07 12:30 amNNE 10 11----29.44- 36.9-----
2026-02-07 12:00 am N 11 12----29.44-0.06 37.4-----
2026-02-06 11:30 pm N 13 13----29.45- 35.6-----
2026-02-06 11:00 pmNNE 10 12----29.47-0.04 36.3-----
2026-02-06 10:30 pmNNE 8 9----29.49- 36.5-----
2026-02-06 10:00 pm NE 8 9----29.49-0.03 36.7-----
2026-02-06 09:30 pm NE 7 8----29.49- 37.2-----
2026-02-06 09:00 pmNNE 8 9----29.50-0.01 38.3-----
2026-02-06 08:30 pm N 10 10----29.50- 38.3-----
2026-02-06 08:00 pm N 7 9----29.51-0.02 38.7-----
2026-02-06 07:30 pmNNE 7 8----29.51- 38.3-----
2026-02-06 07:00 pmNNE 7 8----29.52-0.02 38.8-----
2026-02-06 06:30 pmENE 8 9----29.52- 37.4-----
2026-02-06 06:00 pm E 12 13----29.52-0.04 40.5-----
2026-02-06 05:30 pmENE 10 11----29.52- 38.8-----
2026-02-06 05:00 pmENE 9 10----29.53-0.05 38.5-----
2026-02-06 04:30 pmENE 10 11----29.53- 39.0-----
2026-02-06 04:00 pm NE 9 10----29.54-0.06 38.8-----
2026-02-06 03:30 pmENE 9 11----29.54- 38.7-----
2026-02-06 03:00 pm E 11 12----29.55-0.06 38.8-----
2026-02-06 02:30 pmNNE 8 9----29.57- 38.1-----
2026-02-06 02:00 pmNNE 9 9----29.57-0.06 37.6-----
2026-02-06 01:30 pmNNE 10 11----29.58- 38.1-----
2026-02-06 01:00 pmNNE 9 10----29.59-0.06 37.2-----
2026-02-06 12:30 pmNNE 8 9----29.61- 35.6-----
2026-02-06 12:00 pmNNE 9 9----29.62-0.06 34.2-----
2026-02-06 11:30 am NE 10 11----29.63- 33.8-----
2026-02-06 11:00 amNNE 10 11----29.64-0.06 32.9-----
2026-02-06 10:30 amNNE 9 10----29.65- 32.0-----
2026-02-06 10:00 am NE 12 12----29.65-0.06 32.2-----
2026-02-06 09:30 amNNE 11 12----29.66- 32.4-----
2026-02-06 09:00 am N 10 11----29.68-0.07 32.0-----
2026-02-06 08:30 am NE 9 11----29.69- 32.7-----
2026-02-06 08:00 amNNE 9 10----29.70-0.07 32.2-----
2026-02-06 07:30 amNNE 10 10----29.71- 32.7-----
2026-02-06 07:00 am NE 10 11----29.72-0.08 32.9-----