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
(4:00 am AKDT)
1200 GMT on 03/18/2026:
     

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): NE ( 50 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 25 kts
5-day plot - Wind Gust Wind Gust (GST): 31 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.46 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):+0.00 in ( Steady )
5-day plot - Air Temperature Air Temperature (ATMP): 17.1 °F
5-day plot - Wind Chill Wind Chill (CHILL): -2.4 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 23 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 25 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
4:00 amNE ( 51 deg ) 27 kts
3:50 amNE ( 56 deg ) 28 kts
3:40 amENE ( 58 deg ) 29 kts
3:30 amNNE ( 21 deg ) 21 kts
3:20 amNE ( 46 deg ) 26 kts
3:10 amNNE ( 31 deg ) 25 kts
      
Peak gust during the measurement hour
TIME
(AKDT)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
3:33 amENE ( 70 deg ) 38 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
2026-03-18 03:30 am NE 26 32----29.46- 18.1-----
2026-03-18 03:00 am N 21 31----29.46+0.00 18.9-----
2026-03-18 02:30 am NE 28 33----29.45- 20.3-----
2026-03-18 02:00 am NE 24 29----29.46+0.01 19.6-----
2026-03-18 01:30 amNNE 23 30----29.46- 18.9-----
2026-03-18 01:00 am N 20 25----29.46+0.03 18.0-----
2026-03-18 12:30 amNNE 24 27----29.45- 19.0-----
2026-03-18 12:00 am NE 23 27----29.45+0.02 19.6-----
2026-03-17 11:30 pm NE 27 33----29.44- 19.6-----
2026-03-17 11:00 pm N 21 25----29.45+0.04 19.0-----
2026-03-17 10:30 pmENE 27 34----29.44- 19.4-----
2026-03-17 10:00 pm NE 29 34----29.43+0.01 19.2-----
2026-03-17 09:30 pmENE 28 31----29.44- 19.2-----
2026-03-17 09:00 pmENE 28 44----29.43+0.02 19.4-----
2026-03-17 08:30 pmENE 28 31----29.43- 19.8-----
2026-03-17 08:00 pmENE 31 35----29.41+0.00 20.3-----
2026-03-17 07:30 pmENE 29 34----29.41- 19.8-----
2026-03-17 07:00 pmENE 27 33----29.42+0.01 19.6-----
2026-03-17 06:30 pmENE 29 36----29.41- 20.1-----
2026-03-17 06:00 pmENE 29 32----29.41+0.01 20.3-----
2026-03-17 05:30 pmENE 28 32----29.41- 20.5-----
2026-03-17 05:00 pmENE 29 35----29.41+0.04 20.3-----
2026-03-17 04:30 pmENE 24 29----29.41- 20.5-----
2026-03-17 04:00 pmENE 28 31----29.40+0.04 20.7-----
2026-03-17 03:30 pmENE 31 37----29.39- 20.1-----
2026-03-17 03:00 pmENE 23 28----29.40+0.06 20.1-----
2026-03-17 02:30 pmENE 28 36----29.39- 20.3-----
2026-03-17 02:00 pm NE 30 33----29.37+0.04 19.8-----
2026-03-17 01:30 pmENE 30 35----29.36- 19.4-----
2026-03-17 01:00 pm NE 28 36----29.36+0.05 19.2-----
2026-03-17 12:30 pmENE 31 34----29.34- 19.8-----
2026-03-17 12:00 pmENE 28 33----29.34+0.05 19.0-----
2026-03-17 11:30 amENE 30 34----29.33- 18.5-----
2026-03-17 11:00 am NE 24 29----29.33+0.06 18.5-----
2026-03-17 10:30 am NE 24 30----29.32- 19.2-----
2026-03-17 10:00 am NE 25 31----29.31+0.06 18.3-----
2026-03-17 09:30 amENE 28 31----29.30- 18.7-----
2026-03-17 09:00 amENE 28 32----29.29+0.04 18.9-----
2026-03-17 08:30 am NE 25 28----29.28- 18.5-----
2026-03-17 08:00 am NE 26 30----29.28+0.03 19.0-----
2026-03-17 07:30 amENE 27 31----29.26- 18.9-----
2026-03-17 07:00 am NE 27 31----29.25+0.02 19.6-----
2026-03-17 06:30 amENE 25 29----29.26- 19.9-----
2026-03-17 06:00 amENE 27 34----29.25+0.05 19.9-----
2026-03-17 05:30 amENE 26 30----29.25- 19.9-----
2026-03-17 05:00 amENE 22 24----29.25+0.07 20.5-----
2026-03-17 04:30 amENE 25 28----29.25- 20.1-----
2026-03-17 04:00 amENE 27 31----29.23+0.06 20.5-----