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 51208 - Hanalei, Kauai, HI (202) Image indicating link to RSS feed of recent meteorological observations for station 51208


Conditions at 51208 as of
(10:26 am HAST)
2026 GMT on 03/28/2025:
     

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 - Wave Height Wave Height (WVHT): 4.3 ft
5-day plot - Dominant Wave Period Dominant Wave Period (DPD): 11 sec
5-day plot - Average Wave Period Average Period (APD): 7.7 sec
5-day plot - Mean Wave Direction Mean Wave Direction (MWD):NNE ( 17 deg true )
5-day plot - Water Temperature Water Temperature (WTMP): 75.0 °F
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 09:56 am--- 4.3 127.9 N--- 74.7----
2025-03-28 09:26 am--- 4.3 128.0NNE--- 74.5----
2025-03-28 08:56 am--- 4.3 117.9 N--- 74.5----
2025-03-28 08:26 am--- 4.3 118.0NNE--- 74.3----
2025-03-28 07:56 am--- 4.6 118.1 N--- 74.3----
2025-03-28 07:26 am--- 4.3 117.6 N--- 74.3----
2025-03-28 06:56 am--- 4.6 128.3NNE--- 74.3----
2025-03-28 06:26 am--- 4.3 128.1NNE--- 74.5----
2025-03-28 05:56 am--- 4.3 118.2NNE--- 74.5----
2025-03-28 05:26 am--- 4.6 128.4NNE--- 74.7----
2025-03-28 04:56 am--- 4.3 128.0 N--- 74.7----
2025-03-28 04:26 am--- 4.3 128.2NNE--- 74.8----
2025-03-28 03:56 am--- 4.6 118.3 N--- 74.8----
2025-03-28 03:26 am--- 4.3 118.6 N--- 74.8----
2025-03-28 02:56 am--- 4.6 118.7 N--- 74.8----
2025-03-28 02:26 am--- 4.3 118.3 N--- 74.8----
2025-03-28 01:56 am--- 4.6 128.6 N--- 74.8----
2025-03-28 01:26 am--- 4.6 118.6NNE--- 74.7----
2025-03-28 12:56 am--- 4.3 128.4 N--- 74.7----
2025-03-28 12:26 am--- 4.3 128.4 N--- 75.2----
2025-03-27 11:56 pm--- 4.3 108.7 N--- 75.7----
2025-03-27 11:26 pm--- 4.6 118.7 N--- 75.4----
2025-03-27 10:56 pm--- 4.3 118.6NNW--- 74.7----
2025-03-27 10:26 pm--- 4.3 118.4 N--- 74.1----
2025-03-27 09:56 pm--- 4.6 118.5 N--- 74.5----
2025-03-27 09:26 pm--- 3.9 128.4NNW--- 74.1----
2025-03-27 08:56 pm--- 4.3 118.6 N--- 74.1----
2025-03-27 08:26 pm--- 4.3 118.3 N--- 74.3----
2025-03-27 07:56 pm--- 4.3 107.9 N--- 74.3----
2025-03-27 07:26 pm--- 4.3 107.9 N--- 74.7----
2025-03-27 06:56 pm--- 4.6 117.8 N--- 74.7----
2025-03-27 06:26 pm--- 4.3 117.8 N--- 74.8----
2025-03-27 05:56 pm--- 4.3 118.3 N--- 75.0----
2025-03-27 05:26 pm--- 4.3 117.7 N--- 75.2----
2025-03-27 04:56 pm--- 4.3 117.8 N--- 75.2----
2025-03-27 04:26 pm--- 4.3 117.6NNW--- 75.2----
2025-03-27 03:56 pm--- 3.9 116.8NNW--- 75.2----
2025-03-27 03:26 pm--- 4.3 116.7NNW--- 75.0----
2025-03-27 02:56 pm--- 4.3 116.7 N--- 75.2----
2025-03-27 02:26 pm--- 4.3 126.8NNW--- 75.4----
2025-03-27 01:56 pm--- 3.9 116.5NNW--- 75.4----
2025-03-27 12:56 pm--- 3.9 116.8 N--- 75.9----
2025-03-27 12:26 pm--- 3.9 86.7 NE--- 75.6----
2025-03-27 11:56 am--- 3.9 116.6 N--- 75.2----
2025-03-27 11:26 am--- 4.3 86.9ENE--- 75.4----
2025-03-27 10:56 am--- 4.3 116.9NNW--- 75.4----

Detailed Wave Summary
for 51208 as of (10:26 am HAST)
2026 GMT on 03/28/2025:

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): 4.3 ft
5-day plot - Swell Height Swell Height (SwH): 2.6 ft
5-day plot - Swell Period Swell Period (SwP): 11.1 sec
5-day plot - Swell Direction Swell Direction (SwD):NNE
5-day plot - Wind Wave Height Wind Wave Height (WWH): 3.3 ft
5-day plot - Wind Wave Period Wind Wave Period (WWP): 9.9 sec
5-day plot - Wind Wave Direction Wind Wave Direction (WWD):NNE
5-day plot - Wave Steepness Wave Steepness (STEEPNESS): AVERAGE
5-day plot - Average Wave Period Average Wave Period (APD): 7.7 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 09:56 am 4.3 2.6 11.8 N 3.3 9.9 N AVERAGE 7.9
2025-03-28 09:26 am 4.3 3.3 11.8NNE 3.3 9.9 N SWELL 8.0
2025-03-28 08:56 am 4.3 2.6 11.1 N 3.3 9.9 N AVERAGE 7.9
2025-03-28 08:26 am 4.3 3.0 11.1NNE 3.6 9.9 N AVERAGE 8.0
2025-03-28 07:56 am 4.6 3.3 10.5 N 3.3 9.9 NNW SWELL 8.1
2025-03-28 07:26 am 4.3 2.6 11.1 N 3.3 7.7 NE AVERAGE 7.6
2025-03-28 06:56 am 4.6 3.3 11.8NNE 3.3 9.9 NNW SWELL 8.3
2025-03-28 06:26 am 4.3 3.0 11.8NNE 3.3 9.9 NNE AVERAGE 8.1
2025-03-28 05:56 am 4.3 3.0 11.1NNE 3.3 9.9 N AVERAGE 8.2
2025-03-28 05:26 am 4.6 3.0 11.8NNE 3.3 9.9 N AVERAGE 8.4
2025-03-28 04:56 am 4.3 2.6 11.8 N 3.3 9.9 N AVERAGE 8.0
2025-03-28 04:26 am 4.3 3.0 11.8NNE 3.3 9.9 N AVERAGE 8.2
2025-03-28 03:56 am 4.6 3.0 10.5 N 3.3 9.1 N AVERAGE 8.3
2025-03-28 03:26 am 4.3 3.3 10.5 N 3.0 9.9 N SWELL 8.6
2025-03-28 02:56 am 4.6 3.3 11.1 N 3.3 9.9 N SWELL 8.7
2025-03-28 02:26 am 4.3 2.6 11.1 N 3.3 9.9 N AVERAGE 8.3
2025-03-28 01:56 am 4.6 3.3 11.8 N 3.6 9.9 NNE AVERAGE 8.6
2025-03-28 01:26 am 4.6 3.0 11.1NNE 3.3 9.9 NNE AVERAGE 8.6
2025-03-28 12:56 am 4.3 2.6 11.8 N 3.6 9.9 N AVERAGE 8.4
2025-03-28 12:26 am 4.3 2.6 11.8 N 3.3 9.9 NNE AVERAGE 8.4
2025-03-27 11:56 pm 4.3 2.6 10.5NNW 3.3 9.9 N AVERAGE 8.7
2025-03-27 11:26 pm 4.6 3.0 11.1 N 3.6 9.9 N AVERAGE 8.7
2025-03-27 10:56 pm 4.3 3.0 10.5NNW 3.6 9.9 N AVERAGE 8.6
2025-03-27 10:26 pm 4.3 2.6 11.1 N 3.6 9.9 NNE AVERAGE 8.4
2025-03-27 09:56 pm 4.6 3.0 10.5 N 3.3 9.9 N AVERAGE 8.5
2025-03-27 09:26 pm 3.9 2.6 11.8NNW 3.3 9.9 N AVERAGE 8.4
2025-03-27 08:56 pm 4.3 3.0 11.1 N 3.3 9.9 N AVERAGE 8.6
2025-03-27 08:26 pm 4.3 3.0 10.5 N 3.3 9.9 N AVERAGE 8.3
2025-03-27 07:56 pm 4.3 2.6 11.1NNW 3.6 9.9 N AVERAGE 7.9
2025-03-27 07:26 pm 4.3 2.6 10.5NNW 3.6 9.9 N AVERAGE 7.9
2025-03-27 06:56 pm 4.6 2.6 11.1 N 3.6 9.9 N AVERAGE 7.8
2025-03-27 06:26 pm 4.3 2.3 11.1 N 3.6 9.9 N AVERAGE 7.8
2025-03-27 05:56 pm 4.3 3.0 10.5 N 3.3 9.9 NNW AVERAGE 8.3
2025-03-27 05:26 pm 4.3 2.6 10.5 N 3.3 9.9 N AVERAGE 7.7
2025-03-27 04:56 pm 4.3 2.6 10.5 N 3.6 9.9 N AVERAGE 7.8
2025-03-27 04:26 pm 4.3 2.6 11.1NNW 3.6 9.9 NNW AVERAGE 7.6
2025-03-27 03:56 pm 3.9 2.0 10.5NNW 3.6 7.7 NE AVERAGE 6.8
2025-03-27 03:26 pm 4.3 2.6 11.1NNW 3.3 7.7 ENE AVERAGE 6.7
2025-03-27 02:56 pm 4.3 2.6 11.1 N 3.6 9.9 N AVERAGE 6.7
2025-03-27 02:26 pm 4.3 2.6 11.8NNW 3.6 7.7 ENE AVERAGE 6.8
2025-03-27 01:56 pm 3.6 2.0 11.1NNW 3.3 7.7 ENE AVERAGE 6.5
2025-03-27 01:26 pm 3.9 2.6 11.1NNW 3.3 9.9 N AVERAGE 7.1
2025-03-27 12:56 pm 3.9 2.0 10.5 N 3.3 8.3 NE AVERAGE 6.8
2025-03-27 12:26 pm 3.9 2.0 11.8 N 3.6 7.7 NE AVERAGE 6.7
2025-03-27 11:56 am 3.9 2.3 11.1 N 3.6 7.1 ENE AVERAGE 6.6
2025-03-27 11:26 am 4.3 2.0 10.5 N 3.6 7.7 ENE AVERAGE 6.9
2025-03-27 10:56 am 4.3 2.0 11.1NNW 3.6 7.7 ENE AVERAGE 6.9

Plot of wave energy versus frequency (and period)