NDBC has recently revised the NDBC Handbook of Automated Data Quality Control Checks and Procedures. The new document can be found on our Publications page.

Station 46077 (LLNR 26950) - SHELIKOF STRAIT, AK Image indicating link to RSS feed of recent meteorological observations for station 46077


Conditions at 46077 as of
(8:50 pm AKDT on 04/16/2025)
0450 GMT on 04/17/2025:
     

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):SSW ( 200 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 15.5 kts
5-day plot - Wind Gust Wind Gust (GST): 21.4 kts
5-day plot - Wave Height Wave Height (WVHT): 5.9 ft
5-day plot - Dominant Wave Period Dominant Wave Period (DPD): 9 sec
5-day plot - Average Wave Period Average Period (APD): 6.2 sec
5-day plot - Mean Wave Direction Mean Wave Direction (MWD): N ( 7 deg true )
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.31 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):+0.05 in ( Rising )
5-day plot - Air Temperature Air Temperature (ATMP): 41.0 °F
5-day plot - Water Temperature Water Temperature (WTMP): 41.4 °F
5-day plot - Wind Chill Wind Chill (CHILL): 32.4 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 17.5 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 19.4 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
8:50 pmSSW ( 199 deg ) 16.3 kts
8:40 pmS ( 190 deg ) 13.2 kts
8:30 pmSSW ( 203 deg ) 12.0 kts
8:20 pmSW ( 226 deg ) 14.2 kts
8:10 pmSW ( 224 deg ) 16.3 kts
8:00 pmSW ( 223 deg ) 17.7 kts
     
Supplemental Measurements
Peak gust during the measurement hour
TIME
(AKDT)
5-day plot - Gust Direction GDR 5-day plot - Gust Speed GST
8:43 pmSSW ( 210 deg ) 21.4 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
2025-04-16 07:50 pm SW 15.5 19.4 6.2 107.2NNE29.28+0.03 40.5 41.4----
2025-04-16 06:50 pmWSW 9.7 11.7 5.9 107.1NNE29.27+0.00 39.7 41.5----
2025-04-16 05:50 pm SW 11.7 15.5 5.6 96.8NNE29.26-0.04 40.3 41.5----
2025-04-16 04:50 pmWSW 13.6 15.5 6.2 107.5NNE29.25-0.07 41.0 41.5----
2025-04-16 03:50 pm N 1.9 3.9 6.6 117.5NNE29.26-0.09 42.4 41.5----
2025-04-16 02:50 pmENE 3.9 5.8 6.6 127.6 SW29.30-0.07 42.6 41.4----
2025-04-16 01:50 pm NE 7.8 9.7 6.2 107.3 NE29.33-0.06 42.4 41.4----
2025-04-16 12:50 pm NE 7.8 9.7 6.2 97.1NNE29.36-0.04 42.4 41.4----
2025-04-16 11:50 amENE 11.7 15.5 5.9 96.5NNE29.37-0.02 42.4 41.4----
2025-04-16 10:50 am NE 7.8 11.7 5.2 86.1NNE29.39+0.02 42.4 41.4----
2025-04-16 09:50 am NE 5.8 7.8 5.2 85.7NNE29.39+0.01 42.3 41.4----
2025-04-16 08:50 amENE 5.8 7.8 5.2 75.5NNE29.39+0.01 41.7 41.4----
2025-04-16 07:50 amENE 7.8 9.7 5.6 75.2NNE29.37-0.03 42.4 41.4----
2025-04-16 06:50 amENE 13.6 15.5 5.9 75.2NNE29.38-0.03 42.3 41.4----
2025-04-16 05:50 amENE 19.4 21.4 6.2 65.1 NE29.37-0.06 42.3 41.2----
2025-04-16 04:50 am NE 19.4 23.3 6.6 65.1 NE29.40-0.05 41.9 41.2----
2025-04-16 03:50 am NE 23.3 29.1 7.2 65.2 NE29.41-0.06 41.9 41.2----
2025-04-16 02:50 am NE 25.3 31.1 7.2 75.0 NE29.43-0.07 41.7 41.2----
2025-04-16 01:50 am NE 25.3 31.1 7.2 65.2 NE29.45-0.08 41.5 41.2----
2025-04-16 12:50 amENE 27.2 33.0 6.9 74.9 NE29.47-0.09 41.4 41.2----
2025-04-15 11:50 pmENE 27.2 33.0 6.2 64.7 NE29.50-0.07 41.7 41.2----
2025-04-15 10:50 pmENE 27.2 31.1 6.2 64.7 NE29.53-0.08 41.4 41.0----
2025-04-15 09:50 pmENE 25.3 31.1 5.6 54.5 NE29.56-0.09 40.8 41.0----
2025-04-15 08:50 pmENE 25.3 31.1 5.6 64.5ENE29.58-0.12 40.6 41.0----

Detailed Wave Summary
for 46077 as of
(9:00 pm AKDT on 04/16/2025)
0500 GMT on 04/17/2025:

These wave data are displayed in rounded times.

     

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 - Significant Wave Height Significant Wave Height (WVHT): 5.9 ft
5-day plot - Swell Height Swell Height (SwH): 5.2 ft
5-day plot - Swell Period Swell Period (SwP): 9.1 sec
5-day plot - Swell Direction Swell Direction (SwD): N
5-day plot - Wind Wave Height Wind Wave Height (WWH): 3.0 ft
5-day plot - Wind Wave Period Wind Wave Period (WWP): 3.7 sec
5-day plot - Wind Wave Direction Wind Wave Direction (WWD):WSW
5-day plot - Wave Steepness Wave Steepness (STEEPNESS): AVERAGE
5-day plot - Average Wave Period Average Wave Period (APD): 6.2 sec
Previous observations
TIME
(AKDT)
5-day plot - Wave Height
WVHT
ft
5-day plot - Swell Height
SwH
ft
5-day plot - Swell Period
SwP
sec
5-day plot - Swell Direction
SwD
 
5-day plot - Wind Wave Height
WWH
ft
5-day plot - Wind Wave Period
WWP
sec
5-day plot - Wind Wave Direction
WWD
 
5-day plot - Wave Steepness
STEEPNESS
 
5-day plot - Average Wave Period
APD
sec
2025-04-16 08:00 pm 6.2 5.6 10.0NNE 3.0 6.7 N SWELL 7.2
2025-04-16 07:00 pm 5.9 5.6 10.0NNE 1.6 4.5 N SWELL 7.1
2025-04-16 06:00 pm 5.6 4.9 9.1NNE 2.3 5.0 N AVERAGE 6.8
2025-04-16 05:00 pm 6.2 5.6 10.0NNE 2.3 5.9 NNE SWELL 7.5
2025-04-16 04:00 pm 6.6 6.6 10.8NNE 1.3 4.0 NNE SWELL 7.5
2025-04-16 03:00 pm 6.6 6.6 12.1 SW 1.3 3.8 NNE SWELL 7.6
2025-04-16 02:00 pm 6.2 5.9 10.0 NE 1.3 3.8 NNE SWELL 7.3
2025-04-16 01:00 pm 6.2 6.2 9.1NNE 1.3 3.8 NE AVERAGE 7.1
2025-04-16 12:00 pm 5.9 5.2 9.1NNE 2.6 4.8 NE AVERAGE 6.5
2025-04-16 11:00 am 5.2 5.2 8.3NNE 1.6 3.8 NNE AVERAGE 6.1
2025-04-16 10:00 am 5.2 5.2 7.7NNE 1.6 4.0 NNE AVERAGE 5.7
2025-04-16 09:00 am 5.2 4.9 7.1NNE 2.0 3.7 NNE STEEP 5.5
2025-04-16 08:00 am 5.6 5.2 6.7NNE 2.3 4.0 NNE STEEP 5.2
2025-04-16 07:00 am 5.9 3.6 6.7NNE 4.6 5.9 NNE STEEP 5.2
2025-04-16 06:00 am 6.2 1.6 11.4 SW 5.9 5.9 NEVERY_STEEP 5.1
2025-04-16 05:00 am 6.6 1.6 11.4ENE 6.2 5.9 NEVERY_STEEP 5.1
2025-04-16 04:00 am 7.2 1.6 11.4WNW 7.2 6.2 NEVERY_STEEP 5.2
2025-04-16 03:00 am 7.2 1.3 11.4SSW 7.2 6.7 NEVERY_STEEP 5.0
2025-04-16 02:00 am 7.2 1.0 10.8 NE 7.2 6.2 NEVERY_STEEP 5.2
2025-04-16 01:00 am 6.9 1.0 12.9ENE 6.9 6.7 NE STEEP 4.9
2025-04-16 12:00 am 6.2 0.7 10.8SSW 6.2 5.9 NEVERY_STEEP 4.7
2025-04-15 11:00 pm 6.2 0.7 10.0WNW 5.9 5.9 NEVERY_STEEP 4.7
2025-04-15 10:00 pm 5.6 0.7 9.1 SW 5.6 5.3 NEVERY_STEEP 4.5
2025-04-15 09:00 pm 5.6 0.7 21.1 N 5.6 5.6 ENEVERY_STEEP 4.5

Plot of wave energy versus frequency (and period)