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
(12:30 pm AKST)
2130 GMT on 12/24/2025:
     

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 ( 40 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 11 kts
5-day plot - Wind Gust Wind Gust (GST): 14 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):30.06 in
5-day plot - Air Temperature Air Temperature (ATMP): 18.0 °F
5-day plot - Wind Chill Wind Chill (CHILL): 4.6 °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): 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
12:30 pmNE ( 41 deg ) 14 kts
12:20 pmNNE ( 32 deg ) 13 kts
12:10 pmNE ( 41 deg ) 14 kts
12:00 pmNE ( 41 deg ) 14 kts
11:50 amNE ( 51 deg ) 12 kts
11:40 amNE ( 40 deg ) 13 kts
      
Peak gust during the measurement hour
TIME
(AKST)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
11:55 amNE ( 40 deg ) 19 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
2025-12-24 12:00 pm NE 13 16----30.08-0.04 17.4-----
2025-12-24 11:30 am NE 14 15----30.10- 17.6-----
2025-12-24 11:00 amNNE 12 14----30.12-0.02 18.3-----
2025-12-24 10:30 am NE 14 16----30.12- 17.8-----
2025-12-24 10:00 amNNE 11 14----30.13-0.03 17.8-----
2025-12-24 09:30 amNNE 13 16----30.12- 18.0-----
2025-12-24 09:00 am NE 14 17----30.12-0.05 18.0-----
2025-12-24 08:30 amENE 16 18----30.12- 17.6-----
2025-12-24 08:00 am NE 13 15----30.14-0.05 17.2-----
2025-12-24 07:30 am NE 13 16----30.15- 17.6-----
2025-12-24 07:00 amNNE 13 15----30.16-0.05 16.7-----
2025-12-24 06:30 am NE 13 16----30.17- 17.2-----
2025-12-24 06:00 am NE 15 16----30.17-0.04 16.9-----
2025-12-24 05:30 am NE 16 16----30.18- 17.1-----
2025-12-24 05:00 am NE 16 19----30.19-0.02 17.2-----
2025-12-24 04:30 amNNE 17 19----30.20- 17.1-----
2025-12-24 04:00 am NE 16 19----30.21-0.01 17.8-----
2025-12-24 03:30 am NE 16 18----30.22- 17.8-----
2025-12-24 03:00 am NE 15 18----30.22+0.00 17.8-----
2025-12-24 02:30 am NE 14 15----30.22- 18.1-----
2025-12-24 02:00 am NE 18 20----30.21+0.01 18.0-----
2025-12-24 01:30 am NE 14 16----30.22- 17.8-----
2025-12-24 01:00 am NE 16 19----30.22+0.04 18.7-----
2025-12-24 12:30 amNNE 15 17----30.22- 18.7-----
2025-12-24 12:00 amNNE 14 19----30.21+0.02 20.1-----
2025-12-23 11:30 pmENE 12 15----30.20- 21.4-----
2025-12-23 11:00 pmENE 13 15----30.19+0.01 20.8-----
2025-12-23 10:30 pmENE 11 13----30.19- 20.3-----
2025-12-23 10:00 pmENE 15 19----30.19+0.01 20.8-----
2025-12-23 09:30 pmENE 14 15----30.19- 19.8-----
2025-12-23 09:00 pm NE 14 17----30.19+0.03 20.8-----
2025-12-23 08:30 pmENE 13 17----30.19- 21.4-----
2025-12-23 08:00 pmENE 13 14----30.19+0.05 21.4-----
2025-12-23 07:30 pmENE 12 15----30.19- 21.6-----
2025-12-23 07:00 pmENE 16 18----30.17+0.04 22.1-----
2025-12-23 06:30 pm E 13 15----30.16- 21.9-----
2025-12-23 06:00 pm E 12 15----30.16+0.03 22.3-----
2025-12-23 05:30 pmENE 19 22----30.15- 22.8-----
2025-12-23 05:00 pmENE 19 21----30.14+0.04 23.4-----
2025-12-23 04:30 pm NE 14 16----30.13- 25.0-----
2025-12-23 04:00 pmENE 14 17----30.13+0.03 23.9-----
2025-12-23 03:30 pm NE 14 18----30.12- 25.2-----
2025-12-23 03:00 pm NE 12 16----30.13+0.04 25.7-----
2025-12-23 02:30 pmNNE 10 12----30.12- 26.1-----
2025-12-23 02:00 pmNNE 12 22----30.10+0.03 26.1-----
2025-12-23 01:30 pm NE 17 20----30.10- 24.4-----
2025-12-23 01:00 pm NE 16 18----30.10+0.06 23.7-----
2025-12-23 12:30 pm NE 19 23----30.09- 23.9-----
2025-12-23 12:00 pmNNE 15 18----30.08+0.06 23.0-----