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
(1:00 pm AKST)
2200 GMT on 12/31/2025:
     

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): 27 kts
5-day plot - Wind Gust Wind Gust (GST): 33 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.86 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):+0.02 in ( Rising )
5-day plot - Air Temperature Air Temperature (ATMP): 24.1 °F
5-day plot - Wind Chill Wind Chill (CHILL): 6.6 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 25 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 27 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
1:00 pmENE ( 61 deg ) 29 kts
12:50 pmENE ( 62 deg ) 30 kts
12:40 pmENE ( 63 deg ) 29 kts
12:30 pmENE ( 60 deg ) 28 kts
12:20 pmENE ( 59 deg ) 30 kts
12:10 pmENE ( 64 deg ) 31 kts
      
Peak gust during the measurement hour
TIME
(AKST)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
12:51 pmENE ( 70 deg ) 39 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
2025-12-31 12:30 pm NE 29 33----29.85- 23.9-----
2025-12-31 12:00 pmENE 29 35----29.85+0.04 24.4-----
2025-12-31 11:30 am NE 26 33----29.85- 24.8-----
2025-12-31 11:00 amENE 29 34----29.83+0.04 24.4-----
2025-12-31 10:30 amENE 29 34----29.83- 24.1-----
2025-12-31 10:00 amNNE 25 30----29.84+0.05 23.0-----
2025-12-31 09:30 am N 18 22----29.83- 22.3-----
2025-12-31 09:00 am N 21 26----29.81+0.03 22.6-----
2025-12-31 08:30 amNNW 22 29----29.80- 21.6-----
2025-12-31 08:00 amNNW 25 30----29.79+0.02 21.4-----
2025-12-31 07:30 amNNW 25 37----29.78- 20.8-----
2025-12-31 07:00 amNNW 23 26----29.78+0.04 20.7-----
2025-12-31 06:30 am N 22 25----29.79- 19.8-----
2025-12-31 06:00 amNNE 21 28----29.78+0.06 19.6-----
2025-12-31 05:30 am NE 22 24----29.78- 19.2-----
2025-12-31 05:00 am NE 20 24----29.77+0.06 18.9-----
2025-12-31 04:30 am NE 19 22----29.76- 18.5-----
2025-12-31 04:00 am NE 17 20----29.75+0.06 18.3-----
2025-12-31 03:30 am NE 15 18----29.74- 19.9-----
2025-12-31 03:00 amENE 23 26----29.72+0.05 20.1-----
2025-12-31 02:30 amENE 18 21----29.72- 20.1-----
2025-12-31 02:00 amENE 16 20----29.71+0.09 20.1-----
2025-12-31 01:30 am NE 17 20----29.70- 20.7-----
2025-12-31 01:00 am NE 20 23----29.69+0.10 20.8-----
2025-12-31 12:30 amENE 17 19----29.68- 21.0-----
2025-12-31 12:00 am NE 17 20----29.66+0.11 21.0-----
2025-12-30 11:30 pm NE 18 21----29.64- 20.8-----
2025-12-30 11:00 pmENE 17 19----29.62+0.07 19.9-----
2025-12-30 10:30 pmENE 18 20----29.60- 19.8-----
2025-12-30 10:00 pm E 19 20----29.59+0.06 18.7-----
2025-12-30 09:30 pm E 17 18----29.57- 18.1-----
2025-12-30 09:00 pmENE 19 22----29.55+0.03 18.7-----
2025-12-30 08:30 pmENE 21 24----29.54- 18.1-----
2025-12-30 08:00 pm NE 14 17----29.55+0.03 18.1-----
2025-12-30 07:30 pmENE 19 22----29.54- 17.2-----
2025-12-30 07:00 pmENE 21 23----29.53+0.02 17.4-----
2025-12-30 06:30 pmENE 22 24----29.52- 18.1-----
2025-12-30 06:00 pmENE 20 23----29.53+0.02 17.8-----
2025-12-30 05:30 pmENE 21 23----29.52- 18.1-----
2025-12-30 05:00 pmENE 18 22----29.52+0.02 17.2-----
2025-12-30 04:30 pm E 21 25----29.50- 17.2-----
2025-12-30 04:00 pmENE 15 19----29.51-0.01 17.2-----
2025-12-30 03:30 pmENE 22 24----29.51- 17.6-----
2025-12-30 03:00 pmENE 24 28----29.51-0.03 17.4-----
2025-12-30 02:30 pmENE 23 27----29.51- 18.5-----
2025-12-30 02:00 pmENE 24 26----29.50-0.04 17.8-----
2025-12-30 01:30 pmENE 19 21----29.51- 17.6-----
2025-12-30 01:00 pmENE 22 26----29.52-0.04 16.9-----