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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Important Notice to Mariners

Search And Rescue (SAR) Data

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Station MRKA2

Conditions at MRKA2 as of
(10:00 pm AKDT on 05/26/2026)
0600 GMT on 05/27/2026:
     

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):SSE ( 160 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 3 kts
5-day plot - Wind Gust Wind Gust (GST): 4 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.73 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):+0.03 in ( Rising )
5-day plot - Air Temperature Air Temperature (ATMP): 43.9 °F
5-day plot - Wind Chill Wind Chill (CHILL): 42.4 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 4 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 4 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
10:00 pmSSE ( 149 deg ) 4 kts
9:50 pmSE ( 129 deg ) 5 kts
9:40 pmSE ( 140 deg ) 3 kts
9:30 pmSSW ( 198 deg ) 2 kts
9:20 pmSW ( 233 deg ) 2 kts
9:10 pmSSW ( 197 deg ) 4 kts
      
Peak gust during the measurement hour
TIME
(AKDT)		 5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
9:43 pmSE ( 130 deg ) 6 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
2026-05-26 09:30 pm SE 3 3----29.73- 43.7-----
2026-05-26 09:00 pm S 3 4----29.72+0.04 43.7-----
2026-05-26 08:30 pm E 2 2----29.71- 44.4-----
2026-05-26 08:00 pmENE 2 2----29.71+0.03 45.0-----
2026-05-26 07:30 pmENE 3 3----29.70- 44.8-----
2026-05-26 07:00 pm E 3 4----29.70+0.03 44.6-----
2026-05-26 06:30 pm NE 1 3----29.70- 44.6-----
2026-05-26 06:00 pm S 2 3----29.69+0.03 44.4-----
2026-05-26 05:30 pmSSW 4 4----29.68- 44.2-----
2026-05-26 05:00 pm S 1 2----29.67+0.03 44.2-----
2026-05-26 04:30 pm- 0 1----29.67- 43.9-----
2026-05-26 04:00 pm- 0 1----29.67+0.02 43.5-----
2026-05-26 03:30 pm NE 2 3----29.66- 43.5-----
2026-05-26 03:00 pm N 3 3----29.66+0.01 43.3-----
2026-05-26 02:30 pm N 3 4----29.65- 43.0-----
2026-05-26 02:00 pmNNE 2 3----29.65+0.01 42.8-----
2026-05-26 01:30 pm NE 4 4----29.64- 43.0-----
2026-05-26 01:00 pm NE 2 3----29.65+0.00 42.3-----
2026-05-26 12:30 pmNNE 4 4----29.65- 41.5-----
2026-05-26 12:00 pm NE 4 4----29.64+0.00 41.7-----
2026-05-26 11:30 amENE 5 5----29.64- 41.5-----
2026-05-26 11:00 am NE 5 6----29.64+0.00 41.4-----
2026-05-26 10:30 am E 7 7----29.64- 41.0-----
2026-05-26 10:00 amENE 6 9----29.65+0.00 40.8-----
2026-05-26 09:30 am E 6 7----29.64- 40.6-----
2026-05-26 09:00 am N 4 4----29.65+0.00 40.8-----
2026-05-26 08:30 amNNE 3 4----29.64- 40.8-----
2026-05-26 08:00 am NE 4 4----29.64-0.03 40.8-----
2026-05-26 07:30 amNNE 5 6----29.64- 40.8-----
2026-05-26 07:00 am N 6 7----29.65-0.03 40.6-----
2026-05-26 06:30 am N 5 5----29.65- 40.5-----
2026-05-26 06:00 am NE 5 5----29.65-0.05 40.1-----
2026-05-26 05:30 am E 8 9----29.66- 40.1-----
2026-05-26 05:00 amENE 4 5----29.66-0.05 39.4-----
2026-05-26 04:30 am NE 3 4----29.67- 39.7-----
2026-05-26 04:00 am NE 4 5----29.68-0.03 39.4-----
2026-05-26 03:30 amENE 2 3----29.69- 39.0-----
2026-05-26 03:00 amENE 4 5----29.70+0.00 39.2-----
2026-05-26 02:30 amESE 6 7----29.70- 38.7-----
2026-05-26 02:00 am E 6 7----29.71+0.03 38.5-----
2026-05-26 01:30 am E 6 7----29.72- 40.1-----
2026-05-26 01:00 am N 7 8----29.70+0.02 43.9-----
2026-05-26 12:30 amSSE 4 6----29.70- 44.8-----
2026-05-26 12:00 am SW 10 14----29.70+0.01 45.3-----
2026-05-25 11:30 pm SW 19 22----29.68- 45.3-----
2026-05-25 11:00 pmSSW 15 16----29.68+0.02 46.2-----
2026-05-25 10:30 pm SW 19 21----29.69- 45.5-----
2026-05-25 10:00 pmSSW 21 23----29.68+0.03 44.6-----