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


Conditions at MRKA2 as of
(2:00 am AKDT)
1000 GMT on 07/13/2026:
     

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): W ( 280 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 2 kts
5-day plot - Wind Gust Wind Gust (GST): 3 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):30.07 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):+0.04 in ( Rising )
5-day plot - Air Temperature Air Temperature (ATMP): 51.3 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 2 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 2 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
2:00 amWNW ( 292 deg ) 2 kts
1:50 amNW ( 311 deg ) 2 kts
1:40 amNW ( 314 deg ) 1 kts
1:30 amN ( 10 deg ) 3 kts
1:20 amN ( 1 deg ) 2 kts
1:10 amN ( 8 deg ) 3 kts
     
Peak gust during the measurement hour
TIME
(AKDT)
5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
1:45 amNW ( 310 deg ) 4 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
2026-07-13 01:30 amWNW 2 3----30.06- 51.3-----
2026-07-13 01:00 am N 3 3----30.06+0.04 50.9-----
2026-07-13 12:30 amNNE 5 6----30.05- 51.1-----
2026-07-13 12:00 amNNE 3 3----30.04+0.05 52.3-----
2026-07-12 11:30 pm N 3 6----30.03- 52.5-----
2026-07-12 11:00 pm SW 12 16----30.03+0.04 53.6-----
2026-07-12 10:30 pmWSW 3 5----30.02- 52.5-----
2026-07-12 10:00 pm- 0 2----30.01+0.04 51.8-----
2026-07-12 09:30 pmWSW 5 8----30.01- 53.2-----
2026-07-12 09:00 pm W 9 15----30.00+0.03 53.4-----
2026-07-12 08:30 pm SW 16 19----29.99- 54.0-----
2026-07-12 08:00 pmWSW 8 11----29.99+0.03 53.6-----
2026-07-12 07:30 pmWSW 6 11----29.99- 53.6-----
2026-07-12 07:00 pm SW 12 15----29.98+0.03 54.1-----
2026-07-12 06:30 pm SW 16 18----29.97- 53.8-----
2026-07-12 06:00 pmSSW 18 20----29.96+0.02 54.3-----
2026-07-12 05:30 pmSSW 16 19----29.96- 54.1-----
2026-07-12 05:00 pmSSW 19 21----29.96+0.01 54.3-----
2026-07-12 04:30 pmSSW 13 14----29.96- 54.0-----
2026-07-12 04:00 pmSSW 13 15----29.95+0.01 53.8-----
2026-07-12 03:30 pmSSW 14 15----29.95- 53.8-----
2026-07-12 03:00 pmSSW 16 17----29.94+0.01 54.3-----
2026-07-12 02:30 pmSSW 11 12----29.94- 55.8-----
2026-07-12 02:00 pmSSW 11 11----29.94+0.02 55.2-----
2026-07-12 01:30 pmSSW 10 11----29.94- 54.9-----
2026-07-12 01:00 pmSSW 12 13----29.94+0.01 54.5-----
2026-07-12 12:30 pmSSW 13 14----29.93- 55.2-----
2026-07-12 12:00 pm- 0 1----29.93+0.01 55.0-----
2026-07-12 11:30 amNNE 2 2----29.93- 54.1-----
2026-07-12 11:00 am NE 3 3----29.92+0.01 53.2-----
2026-07-12 10:30 am S 2 2----29.92- 54.1-----
2026-07-12 10:00 am SW 4 4----29.92+0.02 53.2-----
2026-07-12 09:30 am SW 4 5----29.92- 52.2-----
2026-07-12 09:00 am- 0 1----29.92+0.01 52.0-----
2026-07-12 08:30 am NE 2 2----29.91- 51.6-----
2026-07-12 08:00 amENE 3 3----29.91+0.00 51.1-----
2026-07-12 07:30 am NE 4 4----29.91- 51.1-----
2026-07-12 07:00 amNNE 3 4----29.91-0.01 51.1-----
2026-07-12 06:30 amNNE 5 6----29.91- 51.8-----
2026-07-12 06:00 amNNE 3 4----29.90-0.01 51.8-----
2026-07-12 05:30 am NE 5 5----29.91- 52.0-----
2026-07-12 05:00 amNNE 5 5----29.91-0.01 51.3-----
2026-07-12 04:30 amNNW 2 3----29.91- 52.2-----
2026-07-12 04:00 amSSW 7 8----29.91+0.00 53.6-----
2026-07-12 03:30 am SW 10 11----29.91- 55.0-----
2026-07-12 03:00 amSSW 9 10----29.91+0.00 54.7-----
2026-07-12 02:30 amSSW 11 12----29.91- 55.4-----
2026-07-12 02:00 am SW 12 13----29.92+0.00 55.6-----