Station MRKA2 - Middle Rock Light, AK Image indicating link to RSS feed of recent meteorological observations for station MRKA2


Conditions at MRKA2 as of
(3:30 am AKDT)
1130 GMT on 03/15/2026:
     

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 ( 40 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 13 kts
5-day plot - Wind Gust Wind Gust (GST): 14 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.98 in
5-day plot - Air Temperature Air Temperature (ATMP): 22.3 °F
5-day plot - Wind Chill Wind Chill (CHILL): 9.1 °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): 14 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
3:30 amNE ( 42 deg ) 12 kts
3:20 amNNE ( 33 deg ) 12 kts
3:10 amNNE ( 31 deg ) 12 kts
3:00 amNE ( 42 deg ) 12 kts
2:50 amNE ( 48 deg ) 13 kts
2:40 amNE ( 51 deg ) 12 kts
     
Peak gust during the measurement hour
TIME
(AKDT)
5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
2:30 amNNE ( 30 deg ) 15 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
2026-03-15 03:00 am NE 12 14----29.99-0.06 22.3-----
2026-03-15 02:30 amNNE 13 15----30.00- 22.3-----
2026-03-15 02:00 am NE 12 14----30.01-0.04 22.1-----
2026-03-15 01:30 am NE 13 14----30.03- 22.1-----
2026-03-15 01:00 am NE 11 13----30.03-0.02 22.1-----
2026-03-15 12:30 amENE 11 13----30.04- 22.1-----
2026-03-15 12:00 amENE 11 14----30.04-0.02 22.6-----
2026-03-14 11:30 pmENE 9 10----30.05- 22.5-----
2026-03-14 11:00 pmENE 14 15----30.05-0.03 22.8-----
2026-03-14 10:30 pm N 12 14----30.05- 22.8-----
2026-03-14 10:00 pm NE 11 14----30.06-0.02 23.0-----
2026-03-14 09:30 pm NE 11 13----30.06- 23.0-----
2026-03-14 09:00 pm NE 11 14----30.06-0.02 22.6-----
2026-03-14 08:30 pm NE 11 12----30.06- 22.6-----
2026-03-14 08:00 pmNNE 8 11----30.08-0.02 22.6-----
2026-03-14 07:30 pm N 9 10----30.08- 22.1-----
2026-03-14 07:00 pmNNE 9 11----30.08-0.02 22.3-----
2026-03-14 06:30 pmNNE 10 12----30.08- 21.9-----
2026-03-14 06:00 pmNNE 10 11----30.09-0.02 21.6-----
2026-03-14 05:30 pmNNE 9 10----30.09- 21.6-----
2026-03-14 05:00 pm NE 9 11----30.09-0.02 22.1-----
2026-03-14 04:30 pm NE 9 10----30.10- 21.6-----
2026-03-14 04:00 pm NE 10 12----30.10-0.01 20.8-----
2026-03-14 03:30 pmNNE 11 13----30.11- 20.8-----
2026-03-14 03:00 pm N 11 13----30.11+0.00 20.5-----
2026-03-14 02:30 pm NE 12 13----30.11- 20.7-----
2026-03-14 02:00 pm NE 11 13----30.12+0.01 20.5-----
2026-03-14 01:30 pm NE 12 15----30.12- 20.5-----
2026-03-14 01:00 pm NE 13 15----30.12+0.03 19.9-----
2026-03-14 12:30 pm NE 12 14----30.12- 20.7-----
2026-03-14 12:00 pm N 13 15----30.11+0.02 20.3-----
2026-03-14 11:30 am NE 10 12----30.11- 20.1-----
2026-03-14 11:00 amNNE 12 14----30.11+0.01 20.5-----
2026-03-14 10:30 amNNE 12 15----30.10- 21.0-----
2026-03-14 10:00 am NE 11 13----30.09+0.00 20.3-----
2026-03-14 09:30 am N 12 14----30.09- 19.9-----
2026-03-14 09:00 am N 11 14----30.09-0.01 19.9-----
2026-03-14 08:30 am NE 12 15----30.09- 20.1-----
2026-03-14 08:00 amNNE 9 16----30.09-0.01 19.6-----
2026-03-14 07:30 amNNE 11 13----30.09- 19.4-----
2026-03-14 07:00 am N 12 15----30.09-0.02 19.4-----
2026-03-14 06:30 am N 10 13----30.09- 19.4-----
2026-03-14 06:00 amNNE 10 13----30.10-0.03 19.6-----
2026-03-14 05:30 amNNE 9 11----30.10- 19.0-----
2026-03-14 05:00 amNNE 12 14----30.10-0.03 19.0-----
2026-03-14 04:30 amNNE 11 13----30.11- 18.7-----
2026-03-14 04:00 amNNE 11 13----30.11-0.02 19.0-----
2026-03-14 03:30 amNNE 11 14----30.12- 18.9-----
2026-03-14 03:00 am NE 9 10----30.12-0.01 19.0-----