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 51101 (LLNR 28006.3) - NORTHWESTERN HAWAII TWO - 186 NM NW of Kauai Is., HI Image indicating link to RSS feed of recent meteorological observations for station 51101


Conditions at 51101 as of
(4:50 pm HAST on 03/28/2025)
0250 GMT on 03/29/2025:
     

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 ( 210 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 7.8 kts
5-day plot - Wind Gust Wind Gust (GST): 9.7 kts
5-day plot - Wave Height Wave Height (WVHT): 5.6 ft
5-day plot - Dominant Wave Period Dominant Wave Period (DPD): 11 sec
5-day plot - Average Wave Period Average Period (APD): 6.8 sec
5-day plot - Mean Wave Direction Mean Wave Direction (MWD): N ( 9 deg true )
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):30.02 in
5-day plot - Air Temperature Air Temperature (ATMP): 76.6 °F
5-day plot - Water Temperature Water Temperature (WTMP): 76.6 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 7.8 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 7.8 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
4:41 pm 7.8 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
2025-03-28 04:40 pmSSW 7.8 9.7----30.02- 76.6 76.6----
2025-03-28 04:30 pmSSW 5.8 7.8----30.02- 76.6 76.5----
2025-03-28 04:20 pmSSW 7.8 9.7 5.2 116.7 N30.02- 76.5 76.5----
2025-03-28 04:10 pmSSW 7.8 9.7 5.2-6.7 N30.02- 76.5 76.5----
2025-03-28 04:00 pm S 7.8 9.7----30.03-0.05 76.5 76.5----
2025-03-28 03:50 pm S 7.8 11.7 4.9 116.7 N30.03- 76.5 76.5----
2025-03-28 03:40 pm S 7.8 9.7----30.03- 76.5 76.5----
2025-03-28 03:30 pm S 7.8 11.7----30.03- 76.5 76.3----
2025-03-28 03:20 pmSSW 7.8 11.7 5.6 117.1 N30.03- 76.5 76.5----
2025-03-28 03:10 pmSSW 7.8 11.7----30.03- 76.5 76.5----
2025-03-28 03:00 pmSSW 7.8 11.7----30.03-0.06 76.5 76.5----
2025-03-28 02:50 pm S 9.7 11.7 5.2 117.1 N30.04- 76.5 76.3----
2025-03-28 02:40 pm S 9.7 11.7----30.04- 76.5 76.3----
2025-03-28 02:30 pmSSW 7.8 11.7----30.04- 76.5 76.3----
2025-03-28 02:20 pm S 9.7 11.7 5.6 117.1 N30.05- 76.5 76.5----
2025-03-28 02:10 pm S 9.7 11.7 5.6-7.1 N30.05- 76.5 76.5----
2025-03-28 02:00 pm S 9.7 11.7----30.06-0.04 76.3 76.5----
2025-03-28 01:50 pm S 7.8 11.7 5.2 117.2 N30.06- 76.3 76.3----
2025-03-28 01:40 pm S 9.7 11.7----30.06- 76.3 76.3----
2025-03-28 01:20 pm S 7.8 11.7 5.9 117.5 N30.07- 76.1 76.3----
2025-03-28 01:10 pm S 7.8 9.7 5.9-7.5 N30.08- 76.1 76.3----
2025-03-28 01:00 pm S 7.8 11.7----30.08-0.02 76.1 76.1----
2025-03-28 12:50 pm S 9.7 11.7 5.6 127.5 N30.08- 75.9 76.3----
2025-03-28 12:40 pm S 9.7 11.7 5.6-7.5 N30.09- 75.9 76.1----
2025-03-28 12:30 pm S 9.7 11.7----30.09- 75.9 76.1----
2025-03-28 12:20 pm S 9.7 11.7 5.9 117.6 N30.09- 75.9 76.1----
2025-03-28 12:10 pm S 9.7 13.6 5.9-7.6 N30.09- 75.7 76.1----
2025-03-28 12:00 pm S 9.7 11.7----30.10+0.00 75.7 76.1----
2025-03-28 11:50 am S 9.7 11.7 5.6 117.6 N30.10- 75.7-----
2025-03-28 11:40 am S 7.8 11.7 5.6-7.6 N30.10- 75.7 75.9----
2025-03-28 11:30 am S 7.8 11.7----30.10- 75.9 75.9----
2025-03-28 11:20 am S 7.8 11.7 5.2 117.3 N30.10- 75.7 75.9----
2025-03-28 11:10 am S 7.8 9.7 5.2-7.3 N30.10- 75.7 75.9----
2025-03-28 11:00 am S 7.8 9.7----30.10+0.02 75.7 75.7----
2025-03-28 10:50 am S 7.8 9.7 5.6 117.8 N30.10- 75.7 75.7----
2025-03-28 10:40 am S 7.8 9.7----30.10- 75.7 75.7----
2025-03-28 10:30 am S 7.8 9.7----30.10- 75.7 75.7----
2025-03-28 10:20 am S 7.8 9.7 5.2 117.5NNE30.10- 75.6 75.7----
2025-03-28 10:10 am S 7.8 9.7 5.2-7.5NNE30.10- 75.6 75.6----
2025-03-28 10:00 am S 7.8 9.7----30.10+0.04 75.6 75.6----
2025-03-28 09:50 am S 7.8 9.7 5.6 117.6 N30.11- 75.6 75.6----
2025-03-28 09:40 am S 9.7 11.7 5.6-7.6 N30.11- 75.6 75.6----
2025-03-28 09:30 am S 9.7 11.7----30.10- 75.6 75.6----
2025-03-28 09:20 am S 7.8 11.7 5.2 117.9NNE30.10- 75.6 75.6----
2025-03-28 09:10 am S 7.8 11.7----30.10- 75.6 75.6----
2025-03-28 09:00 am S 7.8 11.7----30.10+0.05 75.4 75.6----
2025-03-28 08:50 am S 7.8 9.7 5.2 117.7 N30.10- 75.4 75.6----
2025-03-28 08:40 am S 7.8 9.7----30.09- 75.4 75.6----
2025-03-28 08:30 am S 7.8 9.7----30.09- 75.2 75.6----
2025-03-28 08:20 am S 7.8 9.7 5.2 127.5NNE30.09- 75.2 75.6----
2025-03-28 08:10 am S 7.8 9.7 5.2-7.5NNE30.09- 75.2 75.6----
2025-03-28 08:00 am S 5.8 7.8----30.08+0.05 75.2 75.6----
2025-03-28 07:50 am S 5.8 7.8 4.9 127.3NNE30.08- 75.0 75.6----
2025-03-28 07:40 am S 5.8 7.8----30.08- 75.0 75.6----
2025-03-28 07:30 am S 5.8 7.8----30.07- 74.7 75.6----
2025-03-28 07:20 am S 5.8 7.8 5.2 127.4 N30.07- 74.7 75.6----
2025-03-28 07:10 am S 3.9 5.8 5.2-7.4 N30.07- 74.5 75.6----
2025-03-28 07:00 am S 3.9 5.8----30.06+0.03 74.5 75.6----
2025-03-28 06:50 am S 3.9 5.8 4.9 127.2 N30.06- 74.3 75.6----
2025-03-28 06:40 am S 3.9 5.8 4.9-7.2 N30.06- 74.1 75.6----
2025-03-28 06:30 am S 3.9 7.8----30.06- 73.9 75.6----
2025-03-28 06:20 am S 3.9 5.8 4.9 136.7 N30.06- 74.1 75.6----
2025-03-28 06:10 am S 5.8 7.8 4.9-6.7 N30.06- 74.1 75.6----
2025-03-28 06:00 am S 5.8 7.8----30.05+0.01 74.1 75.6----
2025-03-28 05:50 am S 5.8 7.8 5.6 117.0 N30.05- 73.9 75.6----
2025-03-28 05:40 am S 5.8 7.8 5.6-7.0 N30.05- 73.9 75.6----
2025-03-28 05:30 am S 5.8 7.8----30.04- 73.9 75.6----
2025-03-28 05:20 am S 5.8 9.7 5.2 117.0 N30.04- 73.2 75.6----
2025-03-28 05:10 am S 9.7 13.6 5.2-7.0 N30.04- 73.4 75.6----
2025-03-28 05:00 am S 9.7 13.6----30.03-0.02 74.1 75.6----
2025-03-28 04:50 am S 9.7 13.6 5.6 86.8 E30.03- 74.8 75.6----
2025-03-28 04:40 am S 7.8 11.7----30.03- 74.7 75.6----
2025-03-28 04:30 am S 9.7 13.6----30.03- 74.5 75.6----
2025-03-28 04:20 am S 5.8 7.8 4.9 106.6NNE30.03- 75.2 75.6----
2025-03-28 04:10 am S 5.8 7.8 4.9-6.6NNE30.03- 75.2 75.6----
2025-03-28 04:00 am S 5.8 7.8----30.03-0.04 75.2 75.6----
2025-03-28 03:50 am S 5.8 9.7 5.2 117.0 N30.03- 75.4 75.6----
2025-03-28 03:40 am S 7.8 9.7----30.03- 75.4 75.6----
2025-03-28 03:30 am S 7.8 9.7----30.04- 75.4 75.6----
2025-03-28 03:20 am S 7.8 9.7 4.9 86.8 NE30.04- 75.4 75.6----
2025-03-28 03:10 am S 7.8 9.7----30.04- 75.4 75.6----
2025-03-28 03:00 am S 7.8 9.7----30.04-0.04 75.4 75.4----
2025-03-28 02:50 am S 7.8 11.7 5.2 116.7 N30.05- 75.4-----
2025-03-28 02:40 am S 7.8 9.7----30.05- 75.4 75.4----
2025-03-28 02:30 am S 7.8 9.7----30.05- 75.4 75.4----
2025-03-28 02:20 am S 7.8 9.7 5.6 116.9NNE30.05- 75.4 75.4----
2025-03-28 02:10 am S 7.8 9.7 5.6-6.9NNE30.06- 75.6 75.4----
2025-03-28 02:00 am S 7.8 9.7----30.06-0.02 75.6 75.4----
2025-03-28 01:50 am S 7.8 9.7 5.6 117.1 N30.06- 75.6 75.4----
2025-03-28 01:40 am S 7.8 11.7----30.06- 75.6 75.4----
2025-03-28 01:30 am S 9.7 11.7----30.07- 75.6 75.4----
2025-03-28 01:20 am S 7.8 11.7 5.2 117.0 N30.07- 75.6 75.4----
2025-03-28 01:10 am S 9.7 11.7 5.2-7.0 N30.07- 75.7 75.4----
2025-03-28 01:00 am S 9.7 13.6----30.07+0.00 75.6 75.4----
2025-03-28 12:50 am S 9.7 11.7 5.6 117.3 N30.08- 75.7 75.4----
2025-03-28 12:40 am S 9.7 13.6 5.6-7.3 N30.08- 75.7 75.4----
2025-03-28 12:30 am S 7.8 11.7----30.08- 75.7 75.4----
2025-03-28 12:20 am S 7.8 11.7 5.2 117.3 N30.08- 75.7 75.4----
2025-03-28 12:10 am S 7.8 9.7 5.2-7.3 N30.08- 75.7 75.4----
2025-03-28 12:00 am S 7.8 9.7----30.08+0.02 75.9 75.6----
2025-03-27 11:50 pm S 7.8 9.7 5.2 117.4 N30.08- 75.9 75.6----
2025-03-27 11:40 pm S 5.8 9.7 5.2-7.4 N30.08- 75.7 75.6----
2025-03-27 11:30 pm S 5.8 7.8----30.08- 75.7 75.6----
2025-03-27 11:20 pm S 5.8 7.8 5.2 117.3 N30.08- 75.7 75.6----
2025-03-27 11:10 pm S 5.8 7.8 5.2-7.3 N30.08- 75.7 75.6----
2025-03-27 11:00 pm S 5.8 7.8----30.08+0.05 75.7 75.6----
2025-03-27 10:50 pm S 5.8 7.8 5.2 117.2NNE30.08- 75.9 75.6----
2025-03-27 10:40 pm S 5.8 7.8 5.2-7.2NNE30.08- 75.7 75.6----
2025-03-27 10:30 pm S 5.8 7.8----30.08- 75.7 75.6----
2025-03-27 10:20 pm S 5.8 7.8 5.6 117.2 N30.08- 75.9 75.6----
2025-03-27 10:10 pm S 5.8 7.8----30.08- 75.9 75.7----
2025-03-27 10:00 pm S 5.8 7.8----30.08+0.06 75.9-----
2025-03-27 09:50 pm S 5.8 9.7 5.2 116.8 N30.07- 75.9 75.7----
2025-03-27 09:40 pm S 5.8 7.8----30.07- 75.9 75.7----
2025-03-27 09:30 pm S 5.8 9.7----30.07- 75.9 75.7----
2025-03-27 09:20 pm S 7.8 9.7 5.6 117.0 N30.06- 75.9 75.7----
2025-03-27 09:10 pm S 5.8 9.7 5.6-7.0 N30.06- 75.9 75.7----
2025-03-27 09:00 pm S 7.8 9.7----30.06+0.06 75.9 75.7----
2025-03-27 08:50 pm S 7.8 9.7 5.6 117.2 N30.05- 75.9 75.7----
2025-03-27 08:40 pm S 7.8 9.7 5.6-7.2 N30.05- 75.9 75.7----
2025-03-27 08:30 pm S 7.8 9.7----30.04- 76.1 75.7----
2025-03-27 08:20 pm S 5.8 9.7 5.9 117.4 N30.04- 76.1 75.9----
2025-03-27 08:10 pm S 7.8 9.7 5.9-7.4 N30.04- 76.1 75.9----
2025-03-27 08:00 pm S 5.8 9.7----30.03+0.04 76.1 75.7----
2025-03-27 07:50 pm S 7.8 9.7 5.9 127.1 N30.03- 76.1 75.7----
2025-03-27 07:40 pm S 7.8 9.7----30.03- 76.1 75.7----
2025-03-27 07:30 pm S 7.8 9.7----30.03- 76.1 75.7----
2025-03-27 07:20 pm S 7.8 9.7 5.9 116.8 N30.02- 76.1 75.9----
2025-03-27 07:10 pm S 7.8 11.7 5.9-6.8 N30.02- 76.1 75.7----
2025-03-27 07:00 pm S 7.8 11.7----30.02+0.02 76.1 75.7----
2025-03-27 06:50 pm S 7.8 11.7 5.2 106.5 N30.01- 76.1 75.7----
2025-03-27 06:40 pm S 7.8 9.7 5.2-6.5 N30.01- 76.3 75.7----
2025-03-27 06:30 pm S 9.7 11.7----30.01- 76.3 75.7----
2025-03-27 06:20 pm S 7.8 11.7 6.2 86.9ENE30.01- 76.3 75.9----
2025-03-27 06:10 pm S 9.7 11.7----30.00- 76.5 75.9----
2025-03-27 06:00 pm S 9.7 11.7----30.00-0.01 76.6 75.9----
2025-03-27 05:50 pm S 9.7 13.6 5.6 116.7 N30.00- 76.5 75.9----
2025-03-27 05:40 pm S 9.7 13.6 5.6-6.7 N30.00- 76.5 75.9----
2025-03-27 05:30 pm S 9.7 13.6----30.00- 76.5 76.1----
2025-03-27 05:20 pm S 11.7 13.6 5.6 116.5 N30.00- 76.6 75.9----
2025-03-27 05:10 pm S 11.7 13.6 5.6-6.5 N29.99- 76.6 75.9----
2025-03-27 05:00 pm S 9.7 15.5----29.99-0.03 76.6 75.9----
2025-03-27 04:50 pm S 9.7 13.6 6.2 116.6NNE29.99- 76.6 75.9----

Detailed Wave Summary
for 51101 as of
(4:40 pm HAST on 03/28/2025)
0240 GMT on 03/29/2025:

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): 5.6 ft
5-day plot - Swell Height Swell Height (SwH): 5.6 ft
5-day plot - Swell Period Swell Period (SwP): 11.4 sec
5-day plot - Swell Direction Swell Direction (SwD): N
5-day plot - Wind Wave Height Wind Wave Height (WWH): 1.3 ft
5-day plot - Wind Wave Period Wind Wave Period (WWP): 4.0 sec
5-day plot - Wind Wave Direction Wind Wave Direction (WWD):SSW
5-day plot - Wave Steepness Wave Steepness (STEEPNESS): SWELL
5-day plot - Average Wave Period Average Wave Period (APD): 6.8 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
2025-03-28 04:10 pm 5.2 4.9 10.8 N 1.3 3.8 SSW SWELL 6.7
2025-03-28 03:40 pm 4.9 4.9 10.8 N 1.3 3.7 SSW SWELL 6.7
2025-03-28 03:10 pm 5.6 5.6 10.8 N 1.3 3.7 S SWELL 7.1
2025-03-28 02:40 pm 5.2 5.2 11.4 N 1.3 4.0 SSW SWELL 7.1
2025-03-28 02:10 pm 5.6 5.2 10.8 N 1.3 4.3 SSW SWELL 7.1
2025-03-28 01:40 pm 5.2 5.2 10.8 N 1.3 3.8 SSW SWELL 7.2
2025-03-28 01:10 pm 5.9 5.6 10.8- 1.0 4.0 S SWELL 7.5
2025-03-28 12:40 pm 5.6 5.6 12.1 N 1.0 4.0 SSW SWELL 7.5
2025-03-28 12:10 pm 5.9 5.6 11.4 N 1.3 4.2 S SWELL 7.6
2025-03-28 11:40 am 5.6 5.2 10.8- 1.3 4.0 S SWELL 7.6
2025-03-28 11:10 am 5.2 4.9 10.8 N 1.0 3.4 SSW SWELL 7.3
2025-03-28 10:40 am 5.6 5.6 11.4 N 1.0 3.8 SSE SWELL 7.8
2025-03-28 10:10 am 5.2 5.2 11.4NNE 1.0 4.0 SSE SWELL 7.5
2025-03-28 09:40 am 5.6 5.6 11.4 N 1.3 3.3 SSW SWELL 7.6
2025-03-28 09:10 am 5.2 5.2 10.8NNE 1.0 4.2 SSW SWELL 7.9
2025-03-28 08:40 am 5.2 5.2 10.8 N 1.0 3.2 S SWELL 7.7
2025-03-28 08:10 am 5.2 5.2 12.1NNE 1.0 4.0 SSW SWELL 7.5
2025-03-28 07:40 am 4.9 4.6 12.1NNE 1.0 3.4 SSW SWELL 7.3
2025-03-28 07:10 am 5.2 4.9 12.1 N 1.0 3.6 S SWELL 7.4
2025-03-28 06:40 am 4.9 4.6 12.1 N 1.0 4.0 SSE SWELL 7.2
2025-03-28 06:10 am 4.9 4.6 12.9 N 1.3 3.3 S SWELL 6.7
2025-03-28 05:40 am 5.6 5.2 11.4- 1.3 3.8 S SWELL 7.0
2025-03-28 05:10 am 5.2 4.9 10.8 N 1.6 4.8 SSE SWELL 7.0
2025-03-28 04:40 am 5.6 5.2 7.7 E 1.3 4.0 SSE STEEP 6.8
2025-03-28 04:10 am 4.9 4.9 10.0NNE 1.3 3.8 S SWELL 6.6
2025-03-28 03:40 am 5.2 5.2 10.8 N 1.3 3.8 SSE SWELL 7.0
2025-03-28 03:10 am 4.9 4.9 8.3 NE 1.0 3.7 SSE AVERAGE 6.8
2025-03-28 02:40 am 5.2 4.9 11.4 N 1.3 3.6 SSE SWELL 6.7
2025-03-28 02:10 am 5.6 5.2 11.4NNE 1.3 3.7 SSE SWELL 6.9
2025-03-28 01:40 am 5.6 5.6 10.8 N 1.3 4.0 SSE SWELL 7.1
2025-03-28 01:10 am 5.2 4.9 11.4 N 1.3 4.2 SE SWELL 7.0
2025-03-28 12:40 am 5.6 5.6 11.4 N 1.3 4.2 SSE SWELL 7.3
2025-03-28 12:10 am 5.2 4.9 10.8 N 1.0 4.0 SSE SWELL 7.3
2025-03-27 11:40 pm 5.2 5.2 11.4 N 1.0 3.8 SE SWELL 7.4
2025-03-27 11:10 pm 5.2 5.2 11.4 N 1.0 4.0 SE SWELL 7.3
2025-03-27 10:40 pm 5.2 5.2 11.4NNE 1.0 4.0 SSE SWELL 7.2
2025-03-27 10:10 pm 5.6 5.2 11.4 N 1.3 3.8 SSE SWELL 7.2
2025-03-27 09:40 pm 5.2 4.9 11.4 N 1.3 3.8 SSE SWELL 6.8
2025-03-27 09:10 pm 5.6 5.2 11.4 N 1.3 3.8 SSE SWELL 7.0
2025-03-27 08:40 pm 5.6 5.6 10.8 N 1.3 3.3 SSE SWELL 7.2
2025-03-27 08:10 pm 5.9 5.9 11.4 N 1.3 3.8 SE SWELL 7.4
2025-03-27 07:40 pm 5.9 5.6 12.1 N 1.3 3.7 SE SWELL 7.1
2025-03-27 07:10 pm 5.9 5.6 10.8 N 1.3 3.8 SSE SWELL 6.8
2025-03-27 06:40 pm 5.2 5.2 10.0 N 1.3 3.7 SSW SWELL 6.5
2025-03-27 06:10 pm 6.2 5.9 8.3ENE 1.6 3.4 S AVERAGE 6.9
2025-03-27 05:40 pm 5.6 5.2 10.8- 2.0 4.5 SSW SWELL 6.7
2025-03-27 05:10 pm 5.6 5.2 10.8 N 2.3 4.8 S SWELL 6.5

Plot of wave energy versus frequency (and period)