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 46001 (LLNR 984) - WESTERN GULF OF ALASKA - 175NM SE of Kodiak, AK Image indicating link to RSS feed of recent meteorological observations for station 46001


Conditions at 46001 as of
(8:30 am HAST)
1830 GMT on 05/17/2025:
     

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):WSW ( 250 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 11.7 kts
5-day plot - Wind Gust Wind Gust (GST): 13.6 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.86 in
5-day plot - Water Temperature Water Temperature (WTMP): 43.7 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 11.7 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 11.7 kts
5-day plot -  Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Supplemental Measurements
Highest 1-minute Wind Speed
Time (HAST)5-day plot - 1-Minute Wind Speed WSPD 5-day plot - 1-Minute Wind Direction WDIR
8:21 am 11.7 kts-
Previous observations
TIME
(HAST)
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
2025-05-17 08:20 amWSW 11.7 15.5 6.2 96.3 SW29.86-- 43.7----
2025-05-17 08:10 amWSW 13.6 15.5 6.2-6.3 SW29.86-- 43.7----
2025-05-17 08:00 amWSW 11.7 15.5----29.86+0.02- 43.7----
2025-05-17 07:50 amWSW 13.6 17.5 6.6 106.3 SW29.86-- 43.7----
2025-05-17 07:40 amWSW 13.6 17.5----29.85-- 43.7----
2025-05-17 07:30 amWSW 13.6 17.5----29.85-- 43.7----
2025-05-17 07:20 amWSW 13.6 17.5 6.2 116.2WSW29.85-- 43.7----
2025-05-17 07:10 amWSW 13.6 15.5 6.2-6.2WSW29.85-- 43.7----
2025-05-17 07:00 amWSW 11.7 15.5----29.85+0.01- 43.7----
2025-05-17 06:50 amWSW 11.7 15.5 6.6 96.3 SW29.85-- 43.7----
2025-05-17 06:40 amWSW 11.7 13.6 6.6-6.3 SW29.85-- 43.7----
2025-05-17 06:30 amWSW 11.7 15.5----29.85-- 43.7----
2025-05-17 06:20 amWSW 13.6 15.5 6.6 106.4 SW29.85-- 43.7----
2025-05-17 06:10 amWSW 11.7 15.5 6.6-6.4 SW29.85-- 43.7----
2025-05-17 06:00 amWSW 11.7 15.5----29.85+0.00- 43.7----
2025-05-17 05:50 amWSW 13.6 17.5 7.5 106.7 SW29.85-- 43.7----
2025-05-17 05:40 amWSW 13.6 17.5----29.84-- 43.7----
2025-05-17 05:30 amWSW 13.6 17.5----29.84-- 43.7----
2025-05-17 05:20 amWSW 13.6 17.5 8.2 106.7 SW29.84-- 43.7----
2025-05-17 05:10 amWSW 13.6 17.5 8.2-6.7 SW29.84-- 43.7----
2025-05-17 05:00 amWSW 13.6 17.5----29.84-0.01- 43.7----
2025-05-17 04:50 amWSW 13.6 17.5 7.2 106.4 SW29.83-- 43.7----
2025-05-17 04:40 amWSW 11.7 15.5 7.2-6.4 SW29.83-- 43.7----
2025-05-17 04:30 amWSW 13.6 17.5----29.84-- 43.7----
2025-05-17 04:20 amWSW 13.6 17.5 7.2 86.2 SW29.84-- 43.7----
2025-05-17 04:10 amWSW 13.6 17.5 7.2-6.2 SW29.84-- 43.7----
2025-05-17 04:00 amWSW 15.5 19.4----29.84-0.01- 43.7----
2025-05-17 03:50 amWSW 15.5 19.4 8.2 116.4 SW29.84-- 43.7----
2025-05-17 03:40 amWSW 15.5 19.4 8.2-6.4 SW29.84-- 43.7----
2025-05-17 03:30 amWSW 15.5 19.4----29.84-- 43.7----
2025-05-17 03:20 amWSW 15.5 19.4 8.2 106.5 SW29.85-- 43.7----
2025-05-17 03:10 amWSW 15.5 19.4 8.2-6.5 SW29.85-- 43.7----
2025-05-17 03:00 amWSW 13.6 19.4----29.85+0.01- 43.7----
2025-05-17 02:50 amWSW 15.5 21.4 7.9 106.4WSW29.85-- 43.7----
2025-05-17 02:40 amWSW 15.5 21.4 7.9-6.4WSW29.85-- 43.7----
2025-05-17 02:30 amWSW 15.5 19.4----29.85-- 43.7----
2025-05-17 02:20 am W 15.5 21.4 8.2 106.4 SW29.85-- 43.7----
2025-05-17 02:10 am W 15.5 19.4 8.2-6.4 SW29.85-- 43.7----
2025-05-17 02:00 am W 15.5 19.4----29.85+0.02- 43.7----
2025-05-17 01:50 am W 15.5 19.4 8.9 106.6 SW29.85-- 43.7----
2025-05-17 01:40 am W 15.5 21.4----29.85-- 43.7----
2025-05-17 01:30 am W 17.5 23.3----29.85-- 43.7----
2025-05-17 01:20 am W 17.5 21.4 8.9 96.5 SW29.85-- 43.9----
2025-05-17 01:10 am W 17.5 23.3----29.85-- 43.9----
2025-05-17 01:00 am W 17.5 21.4----29.85+0.03- 43.9----
2025-05-17 12:50 am W 17.5 21.4 9.2 96.8 SW29.84-- 43.9----
2025-05-17 12:40 am W 17.5 23.3----29.84-- 43.9----
2025-05-17 12:30 am W 15.5 19.4----29.84-- 43.9----
2025-05-17 12:20 am W 17.5 19.4 9.2 106.6 SW29.84-- 43.9----
2025-05-17 12:10 am W 17.5 21.4 9.2-6.6 SW29.84-- 43.9----
2025-05-17 12:00 am W 17.5 21.4----29.84+0.03- 43.9----
2025-05-16 11:50 pm W 17.5 21.4 9.2 106.9WSW29.84-- 43.9----
2025-05-16 11:40 pm W 17.5 23.3 9.2-6.9WSW29.84-- 43.9----
2025-05-16 11:30 pm W 17.5 23.3----29.83-- 43.9----
2025-05-16 11:20 pm W 17.5 23.3 8.9 96.6 SW29.83-- 43.9----
2025-05-16 11:10 pm W 17.5 21.4 8.9-6.6 SW29.83-- 43.9----
2025-05-16 11:00 pm W 17.5 21.4----29.83+0.04- 43.9----
2025-05-16 10:50 pm W 17.5 21.4 8.9 116.8WSW29.83-- 43.9----
2025-05-16 10:40 pm W 17.5 21.4 8.9-6.8WSW29.83-- 43.9----
2025-05-16 10:30 pm W 17.5 21.4----29.82-- 43.9----
2025-05-16 10:20 pm W 17.5 21.4 9.5 106.9 SW29.82-- 43.9----
2025-05-16 10:10 pm W 17.5 21.4 9.5-6.9 SW29.82-- 43.9----
2025-05-16 10:00 pm W 17.5 21.4----29.82+0.04- 43.9----
2025-05-16 09:50 pm W 17.5 21.4 8.9 106.6 SW29.82-- 43.9----
2025-05-16 09:40 pm W 17.5 21.4----29.81-- 43.9----
2025-05-16 09:30 pm W 15.5 21.4----29.82-- 43.9----
2025-05-16 09:20 pm W 17.5 21.4 7.9 106.3 SW29.81-- 43.9----
2025-05-16 09:10 pm W 17.5 21.4 7.9-6.3 SW29.81-- 43.9----
2025-05-16 09:00 pm W 17.5 21.4----29.81+0.04- 43.9----
2025-05-16 08:50 pm W 17.5 21.4 8.9 96.6 SW29.80-- 43.9----
2025-05-16 08:40 pm W 17.5 21.4 8.9-6.6 SW29.80-- 43.9----
2025-05-16 08:30 pm W 17.5 21.4----29.80-- 43.9----
2025-05-16 08:20 pm W 17.5 23.3 8.5 106.6 SW29.80-- 43.9----
2025-05-16 08:10 pm W 17.5 21.4 8.5-6.6 SW29.79-- 43.9----
2025-05-16 08:00 pm W 17.5 21.4----29.79+0.02------
2025-05-16 07:50 pm W 17.5 21.4 8.9 106.6 SW29.78-- 43.9----
2025-05-16 07:40 pm W 15.5 19.4 8.9-6.6 SW29.78-- 43.9----
2025-05-16 07:30 pm W 17.5 21.4----29.78-- 43.9----
2025-05-16 07:20 pm W 17.5 21.4 8.5 106.6 SW29.78-- 43.9----
2025-05-16 07:10 pm W 17.5 21.4 8.5-6.6 SW29.78-- 43.9----
2025-05-16 07:00 pm W 15.5 21.4----29.78+0.02- 43.9----
2025-05-16 06:50 pmWSW 15.5 19.4 8.2 106.7 SW29.77-- 43.9----
2025-05-16 06:40 pmWSW 15.5 19.4 8.2-6.7 SW29.77-- 43.9----
2025-05-16 06:30 pmWSW 15.5 21.4----29.77-- 43.9----
2025-05-16 06:20 pmWSW 13.6 17.5 8.9 106.8 SW29.77-- 43.9----
2025-05-16 06:10 pm W 15.5 19.4 8.9-6.8 SW29.77-- 43.9----
2025-05-16 06:00 pm W 15.5 19.4----29.77+0.01- 43.9----
2025-05-16 05:50 pm W 15.5 19.4 8.5 106.7 SW29.77-- 43.9----
2025-05-16 05:40 pm W 15.5 21.4 8.5-6.7 SW29.76-- 43.9----
2025-05-16 05:30 pm W 17.5 23.3----29.76-- 43.9----
2025-05-16 05:20 pm W 15.5 19.4 9.2 107.0 SW29.76-- 43.9----
2025-05-16 05:10 pm W 15.5 19.4 9.2-7.0 SW29.76-- 43.9----
2025-05-16 05:00 pm W 15.5 19.4----29.77+0.01- 43.9----
2025-05-16 04:50 pm W 15.5 19.4 8.9 106.9SSW29.76-- 43.9----
2025-05-16 04:40 pm W 15.5 19.4 8.9-6.9SSW29.76-- 43.9----
2025-05-16 04:30 pm W 15.5 19.4----29.76-- 43.9----
2025-05-16 04:20 pm W 15.5 19.4 8.9 106.6 SW29.76-- 43.9----
2025-05-16 04:10 pm W 17.5 21.4 8.9-6.6 SW29.76-- 43.9----
2025-05-16 04:00 pm W 15.5 21.4----29.76+0.02- 43.9----
2025-05-16 03:50 pm W 15.5 21.4 9.5 107.3 SW29.75-- 43.9----
2025-05-16 03:40 pm W 15.5 21.4 9.5-7.3 SW29.75-- 43.9----
2025-05-16 03:30 pm W 15.5 19.4----29.75-- 43.9----
2025-05-16 03:20 pmWSW 15.5 19.4 8.9 107.0 SW29.76-- 43.9----
2025-05-16 03:10 pmWSW 15.5 21.4 8.9-7.0 SW29.76-- 43.9----
2025-05-16 03:00 pmWSW 15.5 19.4----29.76+0.03- 43.9----
2025-05-16 02:50 pmWSW 15.5 19.4 8.9 96.8SSW29.75-- 43.9----
2025-05-16 02:40 pmWSW 15.5 19.4----29.75-- 43.9----
2025-05-16 02:30 pmWSW 15.5 19.4----29.75-- 43.9----
2025-05-16 02:20 pmWSW 15.5 19.4 9.2 107.3 SW29.75-- 43.7----
2025-05-16 02:10 pmWSW 15.5 19.4 9.2-7.3 SW29.75-- 43.7----
2025-05-16 02:00 pmWSW 15.5 19.4----29.75+0.04- 43.7----
2025-05-16 01:50 pmWSW 15.5 19.4 9.2 97.0 SW29.75-- 43.7----
2025-05-16 01:40 pmWSW 13.6 19.4----29.75-- 43.7----
2025-05-16 01:20 pm W 15.5 19.4 8.2 106.9SSW29.74-- 43.7----
2025-05-16 01:10 pm W 13.6 19.4 8.2-6.9SSW29.74-- 43.7----
2025-05-16 01:00 pm W 15.5 21.4----29.74+0.04- 43.7----
2025-05-16 12:50 pm W 15.5 21.4 8.5 106.9 SW29.74-- 43.7----
2025-05-16 12:40 pmWSW 15.5 21.4 8.5-6.9 SW29.73-- 43.7----
2025-05-16 12:30 pmWSW 15.5 19.4----29.73-- 43.7----
2025-05-16 12:20 pmWSW 13.6 17.5 8.9 106.8 SW29.73-- 43.7----
2025-05-16 12:10 pmWSW 13.6 17.5 8.9-6.8 SW29.73-- 43.7----
2025-05-16 12:00 pmWSW 13.6 19.4----29.73+0.04- 43.7----
2025-05-16 11:50 amWSW 13.6 17.5 9.2 107.1 SW29.73-- 43.7----
2025-05-16 11:40 amWSW 15.5 19.4 9.2-7.1 SW29.72-- 43.7----
2025-05-16 11:30 amWSW 13.6 19.4----29.72-- 43.7----
2025-05-16 11:20 amWSW 13.6 17.5 8.2 96.6 SW29.72-- 43.7----
2025-05-16 11:10 amWSW 13.6 17.5 8.2-6.6 SW29.72-- 43.7----
2025-05-16 11:00 am W 15.5 21.4----29.72+0.03- 43.7----
2025-05-16 10:50 amWSW 15.5 19.4 7.9 96.4 SW29.71-- 43.7----
2025-05-16 10:40 amWSW 15.5 21.4 7.9-6.4 SW29.71-- 43.7----
2025-05-16 10:30 amWSW 15.5 19.4----29.71-- 43.7----
2025-05-16 10:20 amWSW 15.5 17.5 8.5 96.6 SW29.71-- 43.7----
2025-05-16 10:10 am W 15.5 19.4 8.5-6.6 SW29.70-- 43.7----
2025-05-16 10:00 am W 15.5 19.4----29.70+0.04- 43.7----
2025-05-16 09:50 am W 15.5 19.4 8.5 106.8 SW29.70-- 43.7----
2025-05-16 09:40 am W 15.5 21.4 8.5-6.8 SW29.70-- 43.7----
2025-05-16 09:30 am W 17.5 21.4----29.70-- 43.7----
2025-05-16 09:20 am W 15.5 19.4 8.2 106.7SSW29.70-- 43.7----
2025-05-16 09:10 am W 15.5 21.4 8.2-6.7SSW29.69-- 43.7----
2025-05-16 09:00 am W 17.5 19.4----29.69+0.03- 43.7----
2025-05-16 08:50 am W 17.5 21.4 8.2 96.5SSW29.69-- 43.7----
2025-05-16 08:40 am W 17.5 21.4 8.2-6.5SSW29.69-- 43.7----
2025-05-16 08:30 am W 15.5 21.4----29.69-- 43.7----
2025-05-16 08:20 am W 15.5 19.4 7.5 106.6SSW29.69-- 43.7----
2025-05-16 08:10 am W 15.5 21.4 7.5-6.6SSW29.69-- 43.7----
2025-05-16 08:00 am W 17.5 23.3----29.68+0.04- 43.7----
2025-05-16 07:50 am W 15.5 21.4 7.5 106.4SSW29.68-- 43.7----

Detailed Wave Summary
for 46001 as of (8:10 am HAST)
1810 GMT on 05/17/2025:

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): 6.2 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): SW
5-day plot - Wind Wave Height Wind Wave Height (WWH): 3.3 ft
5-day plot - Wind Wave Period Wind Wave Period (WWP): 5.0 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): 6.3 sec
Previous observations
TIME
(HAST)
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
2025-05-17 07:40 am 6.6 5.2 10.0 SW 3.9 5.9 SW AVERAGE 6.3
2025-05-17 07:10 am 6.2 5.2 10.8WSW 3.6 5.9 SW SWELL 6.2
2025-05-17 06:40 am 6.6 5.9 9.1 SW 3.0 4.8 WSW AVERAGE 6.3
2025-05-17 06:10 am 6.6 5.6 10.0 SW 3.3 5.3 SW AVERAGE 6.4
2025-05-17 05:40 am 7.5 6.6 10.0 SW 3.9 5.6 SW AVERAGE 6.7
2025-05-17 05:10 am 8.2 6.9 10.0 SW 4.6 5.9 SW AVERAGE 6.7
2025-05-17 04:40 am 7.2 6.2 10.0 SW 3.9 5.0 WSW AVERAGE 6.4
2025-05-17 04:10 am 7.2 5.6 8.3 SW 4.6 5.9 SW STEEP 6.2
2025-05-17 03:40 am 8.2 5.6 10.8 SW 5.9 7.7 SW AVERAGE 6.4
2025-05-17 03:10 am 8.2 6.2 10.0 SW 5.2 7.1 SW AVERAGE 6.5
2025-05-17 02:40 am 7.9 5.6 10.0WSW 5.6 7.1 SW AVERAGE 6.4
2025-05-17 02:10 am 8.2 5.9 10.0 SW 5.6 6.2 SW AVERAGE 6.4
2025-05-17 01:40 am 8.9 6.2 10.0 SW 5.9 7.1 SW AVERAGE 6.6
2025-05-17 01:10 am 8.9 5.9 9.1 SW 6.6 6.2 WSW AVERAGE 6.5
2025-05-17 12:40 am 9.2 6.2 9.1 SW 6.9 6.2 WSW AVERAGE 6.8
2025-05-17 12:10 am 9.2 6.2 10.0 SW 6.9 7.7 WSW AVERAGE 6.6
2025-05-16 11:40 pm 9.2 7.2 10.0WSW 5.6 6.7 SW AVERAGE 6.9
2025-05-16 11:10 pm 8.9 5.6 9.1 SW 6.9 5.6 SW AVERAGE 6.6
2025-05-16 10:40 pm 8.9 6.9 10.8WSW 5.6 5.9 WSW AVERAGE 6.8
2025-05-16 10:10 pm 9.5 6.9 10.0 SW 6.6 7.1 SW AVERAGE 6.9
2025-05-16 09:40 pm 8.9 6.2 10.0 SW 6.6 7.1 SW AVERAGE 6.6
2025-05-16 09:10 pm 7.9 5.6 10.0 SW 5.2 6.7 WSW AVERAGE 6.3
2025-05-16 08:40 pm 8.9 6.9 9.1 SW 5.6 5.9 SW AVERAGE 6.6
2025-05-16 08:10 pm 8.5 5.9 10.0 SW 6.2 7.1 SW AVERAGE 6.6
2025-05-16 07:40 pm 8.9 6.6 10.0 SW 5.9 6.7 SW AVERAGE 6.6
2025-05-16 07:10 pm 8.5 6.2 10.0 SW 5.9 6.2 SW AVERAGE 6.6
2025-05-16 06:40 pm 8.2 6.6 10.0 SW 4.6 7.1 SW AVERAGE 6.7
2025-05-16 06:10 pm 8.9 7.2 10.0 SW 5.2 6.7 SSW AVERAGE 6.8
2025-05-16 05:40 pm 8.5 6.2 10.0 SW 5.9 7.7 SSW AVERAGE 6.7
2025-05-16 05:10 pm 9.2 7.2 10.0 SW 5.6 7.1 SW AVERAGE 7.0
2025-05-16 04:40 pm 8.9 7.2 10.0SSW 5.2 6.2 SW AVERAGE 6.9
2025-05-16 04:10 pm 8.9 6.2 10.0 SW 6.2 7.7 SSW AVERAGE 6.6
2025-05-16 03:40 pm 9.5 7.9 10.0 SW 5.6 7.7 SSW AVERAGE 7.3
2025-05-16 03:10 pm 8.9 6.9 10.0 SW 5.6 6.7 SW AVERAGE 7.0
2025-05-16 02:40 pm 8.9 6.6 9.1SSW 5.6 6.2 SW AVERAGE 6.8
2025-05-16 02:10 pm 9.2 7.9 10.0 SW 4.9 5.9 WSW AVERAGE 7.3
2025-05-16 01:40 pm 9.2 7.9 9.1 SW 4.9 5.9 SW AVERAGE 7.0
2025-05-16 01:10 pm 8.2 7.2 10.0SSW 4.3 6.2 SW AVERAGE 6.9
2025-05-16 12:40 pm 8.5 6.6 10.0 SW 5.6 6.2 SW AVERAGE 6.9
2025-05-16 12:10 pm 8.9 7.5 10.0 SW 4.6 6.2 SW AVERAGE 6.8
2025-05-16 11:40 am 9.2 7.5 10.0 SW 4.9 6.2 SW AVERAGE 7.1
2025-05-16 11:10 am 8.2 6.9 9.1 SW 4.6 5.9 SW AVERAGE 6.6
2025-05-16 10:40 am 7.9 5.9 9.1 SW 5.2 7.1 SSW AVERAGE 6.4
2025-05-16 10:10 am 8.5 6.2 9.1 SW 5.9 7.1 SSW AVERAGE 6.6
2025-05-16 09:40 am 8.5 6.9 10.0 SW 5.2 7.1 SSW AVERAGE 6.8
2025-05-16 09:10 am 8.2 6.6 10.0SSW 4.6 6.7 SSW AVERAGE 6.7
2025-05-16 08:40 am 8.2 6.6 9.1SSW 4.9 6.2 SW AVERAGE 6.5
2025-05-16 08:10 am 7.5 6.6 10.0SSW 3.9 5.6 SW AVERAGE 6.6

Plot of wave energy versus frequency (and period)