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


Conditions at MRKA2 as of
(1:30 pm AKDT)
2130 GMT on 07/21/2026:
     

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):SSW ( 200 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 11 kts
5-day plot - Wind Gust Wind Gust (GST): 12 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):30.24 in
5-day plot - Air Temperature Air Temperature (ATMP): 52.3 °F
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
1:30 pmSW ( 215 deg ) 11 kts
1:20 pmSW ( 225 deg ) 10 kts
1:10 pmSW ( 221 deg ) 8 kts
1:00 pmSW ( 215 deg ) 11 kts
12:50 pmSSW ( 203 deg ) 12 kts
12:40 pmSSW ( 208 deg ) 11 kts
     
Peak gust during the measurement hour
TIME
(AKDT)
5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
12:55 pmSSW ( 210 deg ) 13 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
2026-07-21 01:00 pm SW 10 13----30.23+0.02 52.3-----
2026-07-21 12:30 pm SW 10 11----30.23- 52.2-----
2026-07-21 12:00 pmSSW 11 13----30.22+0.02 51.8-----
2026-07-21 11:30 amSSW 12 13----30.22- 52.3-----
2026-07-21 11:00 amSSW 11 12----30.22+0.02 51.6-----
2026-07-21 10:30 am SW 11 12----30.22- 52.2-----
2026-07-21 10:00 amSSW 13 14----30.22+0.03 52.2-----
2026-07-21 09:30 amSSW 15 16----30.21- 51.1-----
2026-07-21 09:00 amSSW 15 16----30.20+0.03 50.9-----
2026-07-21 08:30 amSSW 14 15----30.20- 50.7-----
2026-07-21 08:00 amSSW 15 16----30.20+0.03 50.4-----
2026-07-21 07:30 am SW 17 19----30.19- 49.8-----
2026-07-21 07:00 amSSW 19 20----30.19+0.01 49.1-----
2026-07-21 06:30 amSSW 18 19----30.18- 50.2-----
2026-07-21 06:00 amSSW 18 19----30.18+0.01 49.6-----
2026-07-21 05:30 amSSW 19 19----30.17- 49.5-----
2026-07-21 05:00 amSSW 18 18----30.17+0.01 49.5-----
2026-07-21 04:30 amSSW 15 16----30.17- 49.8-----
2026-07-21 04:00 am S 17 19----30.17+0.02 49.8-----
2026-07-21 03:30 amSSW 17 18----30.17- 49.6-----
2026-07-21 03:00 amSSW 18 19----30.16+0.02 49.5-----
2026-07-21 02:30 amSSW 19 20----30.16- 49.5-----
2026-07-21 02:00 amSSW 19 19----30.16+0.02 49.6-----
2026-07-21 01:30 amSSW 19 20----30.15- 49.8-----
2026-07-21 01:00 amSSW 19 19----30.15+0.02 50.2-----
2026-07-21 12:30 amSSW 18 20----30.15- 50.7-----
2026-07-21 12:00 amSSW 17 18----30.14+0.01 50.9-----
2026-07-20 11:30 pmSSW 14 16----30.14- 52.7-----
2026-07-20 11:00 pm S 12 13----30.14+0.00 53.4-----
2026-07-20 10:30 pmSSW 14 14----30.14- 53.6-----
2026-07-20 10:00 pm S 11 12----30.13+0.01 54.7-----
2026-07-20 09:30 pm S 10 12----30.13- 54.7-----
2026-07-20 09:00 pmSSW 10 11----30.13+0.00 54.7-----
2026-07-20 08:30 pmSSW 11 11----30.13- 55.0-----
2026-07-20 08:00 pm SW 10 13----30.13+0.01 54.5-----
2026-07-20 07:30 pm SW 16 21----30.12- 55.4-----
2026-07-20 07:00 pmSSW 20 23----30.12-0.01 55.6-----
2026-07-20 06:30 pmSSW 14 16----30.13- 56.1-----
2026-07-20 06:00 pmSSW 17 19----30.13+0.00 55.6-----
2026-07-20 05:30 pmSSW 17 19----30.12- 55.4-----
2026-07-20 05:00 pmSSW 21 23----30.12+0.00 55.9-----
2026-07-20 04:30 pm S 13 16----30.13- 54.5-----
2026-07-20 04:00 pm SW 6 7----30.13+0.00 53.1-----
2026-07-20 03:30 pmESE 2 2----30.13- 52.5-----
2026-07-20 03:00 pmNNE 3 3----30.13-0.01 51.4-----
2026-07-20 02:30 pm NE 4 5----30.12- 50.9-----
2026-07-20 02:00 pm NE 7 9----30.12-0.02 49.8-----