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
(5:30 pm AKST on 11/16/2025)
0230 GMT on 11/17/2025:
     

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): 11 kts
5-day plot - Wind Gust Wind Gust (GST): 13 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.55 in
5-day plot - Air Temperature Air Temperature (ATMP): 30.0 °F
5-day plot - Wind Chill Wind Chill (CHILL): 19.9 °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): 12 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
5:30 pmNNE ( 31 deg ) 10 kts
5:20 pmNNE ( 32 deg ) 9 kts
5:10 pmNNE ( 32 deg ) 10 kts
5:00 pmNNE ( 31 deg ) 10 kts
4:50 pmNE ( 44 deg ) 11 kts
4:40 pmNNE ( 24 deg ) 9 kts
      
Peak gust during the measurement hour
TIME
(AKST)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
5:25 pmNE ( 40 deg ) 13 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
2025-11-16 05:00 pmNNE 9 11----29.56+0.00 30.6-----
2025-11-16 04:30 pm NE 11 12----29.56- 30.6-----
2025-11-16 04:00 pm NE 10 11----29.55+0.00 30.6-----
2025-11-16 03:30 pm NE 10 12----29.55- 30.4-----
2025-11-16 03:00 pm NE 10 12----29.55-0.01 30.9-----
2025-11-16 02:30 pmNNE 9 11----29.55- 30.4-----
2025-11-16 02:00 pmNNE 11 12----29.55-0.01 30.2-----
2025-11-16 01:30 pm NE 8 10----29.55- 30.2-----
2025-11-16 01:00 pm NE 9 10----29.55+0.00 30.2-----
2025-11-16 12:30 pmNNE 10 12----29.56- 29.7-----
2025-11-16 12:00 pmNNE 10 12----29.56+0.01 30.0-----
2025-11-16 11:30 amNNE 7 10----29.57- 29.5-----
2025-11-16 11:00 am NE 9 11----29.57+0.02 29.1-----
2025-11-16 10:30 am NE 10 11----29.56- 29.3-----
2025-11-16 10:00 am NE 8 10----29.55+0.01 28.9-----
2025-11-16 09:30 am NE 8 10----29.55- 29.3-----
2025-11-16 09:00 amNNE 9 9----29.55+0.01 29.1-----
2025-11-16 08:30 am NE 9 11----29.54- 28.6-----
2025-11-16 08:00 amNNE 9 12----29.54+0.00 28.6-----
2025-11-16 07:30 amNNE 10 11----29.55- 28.6-----
2025-11-16 07:00 amNNE 11 12----29.54-0.02 28.6-----
2025-11-16 06:30 amNNE 10 11----29.54- 29.1-----
2025-11-16 06:00 amNNE 9 11----29.54-0.04 28.6-----
2025-11-16 05:30 amNNE 9 11----29.54- 28.0-----
2025-11-16 05:00 amNNE 8 9----29.54-0.04 28.0-----
2025-11-16 04:30 am N 9 11----29.56- 27.7-----
2025-11-16 04:00 am NE 9 12----29.57-0.03 28.0-----
2025-11-16 03:30 am NE 9 11----29.57- 27.5-----
2025-11-16 03:00 amNNE 10 12----29.58-0.02 27.5-----
2025-11-16 02:30 am NE 10 12----29.58- 27.1-----
2025-11-16 02:00 am NE 10 11----29.59-0.02 27.1-----
2025-11-16 01:30 am NE 10 11----29.59- 27.0-----
2025-11-16 01:00 am NE 9 11----29.59-0.02 27.1-----
2025-11-16 12:30 am N 9 10----29.60- 26.8-----
2025-11-16 12:00 am NE 11 13----29.59-0.02 26.4-----
2025-11-15 11:30 pm NE 12 14----29.60- 26.8-----
2025-11-15 11:00 pmNNE 11 12----29.61+0.00 26.6-----
2025-11-15 10:30 pmNNE 10 11----29.62- 26.8-----
2025-11-15 10:00 pm NE 10 13----29.62+0.01 26.8-----
2025-11-15 09:30 pmENE 10 12----29.62- 26.4-----
2025-11-15 09:00 pmENE 9 11----29.62+0.00 27.5-----
2025-11-15 08:30 pm NE 9 11----29.61- 28.0-----
2025-11-15 08:00 pmENE 11 12----29.60+0.00 28.0-----
2025-11-15 07:30 pmENE 11 12----29.60- 27.1-----
2025-11-15 07:00 pm NE 12 13----29.61+0.03 27.5-----
2025-11-15 06:30 pm NE 10 12----29.61- 26.6-----
2025-11-15 06:00 pmNNE 11 12----29.61+0.05 25.5-----
2025-11-15 05:30 pm NE 13 14----29.60- 26.1-----
2025-11-15 05:00 pm NE 13 14----29.60+0.05 27.1-----