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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Search And Rescue (SAR) Data

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Station MRKA2

Conditions at MRKA2 as of
(10:00 am AKST)
1900 GMT on 12/29/2025:
     

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): NE ( 50 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 34 kts
5-day plot - Wind Gust Wind Gust (GST): 41 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.42 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):+0.01 in ( Rising )
5-day plot - Air Temperature Air Temperature (ATMP): 19.2 °F
5-day plot - Wind Chill Wind Chill (CHILL): -1.8 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 33 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 35 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
10:00 amNE ( 36 deg ) 31 kts
9:50 amNNE ( 32 deg ) 30 kts
9:40 amNNE ( 32 deg ) 29 kts
9:30 amNE ( 39 deg ) 30 kts
9:20 amNNE ( 33 deg ) 30 kts
9:10 amNE ( 41 deg ) 32 kts
      
Peak gust during the measurement hour
TIME
(AKST)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
9:59 amNE ( 50 deg ) 41 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
2025-12-29 09:30 am NE 33 39----29.41- 17.6-----
2025-12-29 09:00 am NE 30 35----29.42+0.00 18.1-----
2025-12-29 08:30 am NE 31 37----29.42- 17.8-----
2025-12-29 08:00 amENE 33 39----29.41+0.00 18.0-----
2025-12-29 07:30 amENE 36 40----29.40- 17.8-----
2025-12-29 07:00 amENE 33 38----29.41-0.04 17.4-----
2025-12-29 06:30 amENE 39 48----29.40- 18.3-----
2025-12-29 06:00 amENE 38 44----29.41-0.05 18.5-----
2025-12-29 05:30 amENE 38 44----29.41- 19.4-----
2025-12-29 05:00 am NE 32 40----29.41-0.10 20.3-----
2025-12-29 04:30 am NE 33 40----29.42- 20.1-----
2025-12-29 04:00 am NE 32 40----29.45-0.08 19.2-----
2025-12-29 03:30 am NE 28 34----29.46- 18.7-----
2025-12-29 03:00 am NE 33 37----29.47-0.06 19.4-----
2025-12-29 02:30 am NE 33 40----29.48- 18.9-----
2025-12-29 02:00 am NE 32 38----29.51-0.05 18.7-----
2025-12-29 01:30 amENE 34 38----29.52- 19.4-----
2025-12-29 01:00 amENE 33 38----29.52-0.03 18.5-----
2025-12-29 12:30 amENE 33 38----29.53- 18.7-----
2025-12-29 12:00 amENE 35 43----29.53+0.00 18.9-----
2025-12-28 11:30 pmENE 30 34----29.55- 18.3-----
2025-12-28 11:00 pm NE 29 36----29.56+0.03 19.0-----
2025-12-28 10:30 pmENE 32 38----29.55- 18.3-----
2025-12-28 10:00 pmENE 29 37----29.55+0.05 18.1-----
2025-12-28 09:30 pmENE 31 38----29.55- 18.1-----
2025-12-28 09:00 pmENE 31 37----29.53+0.06 18.1-----
2025-12-28 08:30 pmENE 29 36----29.54- 18.5-----
2025-12-28 08:00 pmENE 28 34----29.54+0.08 18.0-----
2025-12-28 07:30 pmENE 31 35----29.52- 18.0-----
2025-12-28 07:00 pm E 33 39----29.50+0.07 18.3-----
2025-12-28 06:30 pmENE 37 43----29.48- 18.7-----
2025-12-28 06:00 pmENE 36 47----29.47+0.06 19.2-----
2025-12-28 05:30 pmENE 37 43----29.46- 18.7-----
2025-12-28 05:00 pm E 32 39----29.46+0.06 17.8-----
2025-12-28 04:30 pmENE 28 33----29.46- 19.0-----
2025-12-28 04:00 pmENE 39 47----29.43+0.03 18.0-----
2025-12-28 03:30 pmENE 36 43----29.42- 18.0-----
2025-12-28 03:00 pmENE 39 48----29.41+0.02 18.0-----
2025-12-28 02:30 pm E 36 42----29.41- 17.6-----
2025-12-28 02:00 pm E 39 46----29.40+0.00 18.3-----
2025-12-28 01:30 pmENE 40 48----29.40- 18.7-----
2025-12-28 01:00 pmENE 34 43----29.40+0.01 19.0-----
2025-12-28 12:30 pmENE 37 48----29.39- 18.1-----
2025-12-28 12:00 pmENE 37 43----29.39+0.02 18.1-----
2025-12-28 11:30 am E 37 41----29.40- 17.6-----
2025-12-28 11:00 am E 36 42----29.40+0.06 17.8-----
2025-12-28 10:30 amENE 38 45----29.39- 18.1-----
2025-12-28 10:00 amENE 37 42----29.39+0.01 18.1-----