Station 51004 (LLNR 28005) - SOUTHEAST HAWAII - 205 NM Southeast of Hilo, HI

Owned and maintained by National Data Buoy Center
3-meter discus buoy
SCOOP payload
17.604 N 152.364 W (17°36'15" N 152°21'50" W)

Site elevation: sea level
Air temp height: 4 m above site elevation
Anemometer height: 4 m above site elevation
Barometer elevation: 2.5 m above mean sea level
Sea temp depth: 1 m below water line
Water depth: 4998 m
Watch circle radius: 5396 yards

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Disclaimer

Buoy Camera Photos taken at 09/23/2019 0010 UTC. Click photo to enlarge.

Photos from Buoy Camera at station 51004

Photos are generally taken hourly during daylight operations.

Conditions at 51004 as of
(6:20 pm HAST on 09/22/2019)
0420 GMT on 09/23/2019:
Unit of Measure: Time Zone: Click on the graph icon in the table below to see a time series plot of the last five days of that observation.
	Wind Direction (WDIR):	E ( 90 deg true )
	Wind Speed (WSPD):	15.5 kts
	Wind Gust (GST):	17.5 kts
	Atmospheric Pressure (PRES):	29.97 in
	Air Temperature (ATMP):	81.1 °F
	Water Temperature (WTMP):	82.4 °F
	Dew Point (DEWP):	75.2 °F
	Heat Index (HEAT):	87.3 °F
	Wind Speed at 10 meters (WSPD10M):	15.5 kts
	Wind Speed at 20 meters (WSPD20M):	17.5 kts
	Combined plot of Wind Speed, Gust, and Air Pressure

Supplemental Measurements
Highest 1-minute Wind Speed
Time (HAST)		WSPD		WDIR
6:17 pm		15.5 kts		-

Previous observations

MM	DD	TIME (HAST)	WDIR	WSPD kts	GST kts	WVHT ft	DPD sec	APD sec	MWD	PRES in	PTDY in	ATMP °F	WTMP °F	DEWP °F	SAL psu	VIS nmi	TIDE ft
09	22	6:10 pm	E	15.5	19.4	-	-	-	-	29.96	-	81.1	82.4	75.2	-	-	-
09	22	6:00 pm	E	15.5	19.4	-	-	-	-	29.96	-	81.1	82.4	75.4	-	-	-
09	22	5:50 pm	E	15.5	19.4	5.9	15	6.2	S	29.95	-	81.1	82.2	75.4	-	-	-
09	22	5:40 pm	E	15.5	19.4	5.9	-	6.2	S	29.95	-	81.0	82.4	75.6	-	-	-
09	22	5:30 pm	E	15.5	19.4	-	-	-	-	29.95	-	81.0	82.4	75.9	-	-	-
09	22	5:20 pm	E	13.6	17.5	-	-	-	-	29.95	-	79.9	82.4	76.1	-	-	-
09	22	5:10 pm	E	17.5	21.4	-	-	-	-	29.94	-	79.7	82.4	76.5	-	-	-
09	22	5:00 pm	E	17.5	21.4	-	-	-	-	29.94	-	80.8	82.4	76.1	-	-	-
09	22	4:50 pm	E	15.5	19.4	5.6	7	6.3	E	29.94	-	81.3	82.4	76.5	-	-	-
09	22	4:40 pm	E	15.5	19.4	5.6	-	6.3	E	29.94	-	81.3	82.6	76.3	-	-	-
09	22	4:30 pm	E	15.5	19.4	-	-	-	-	29.94	-	81.3	82.6	76.6	-	-	-
09	22	8:00 am	-	5.8	7.8	-	-	-	-	-	-	-	-	-	-	-	-
09	22	7:40 am	-	-	-	5.2	10	6.9	SSE	-	-	-	-	-	-	-	-
09	22	6:40 am	-	-	-	5.2	7	6.8	NE	-	-	-	-	-	-	-	-
09	22	6:20 am	-	1.9	1.9	-	-	-	-	-	-	80.8	-	74.3	-	-	-
09	22	5:40 am	-	-	-	4.9	14	6.7	SSW	-	-	-	-	-	-	-	-
09	22	4:40 am	-	-	-	4.9	8	6.5	NE	-	-	-	-	-	-	-	-
09	22	3:40 am	-	-	-	5.2	14	6.7	S	-	-	-	-	-	-	-	-
09	22	2:40 am	-	-	-	5.2	15	6.5	S	-	-	-	-	-	-	-	-
09	22	1:40 am	-	-	-	4.9	13	6.5	SSW	-	-	-	-	-	-	-	-
09	22	12:40 am	-	-	-	5.2	15	6.2	S	-	-	-	-	-	-	-	-
09	21	11:50 pm	-	-	-	5.2	7	6.0	E	-	-	-	-	-	-	-	-
09	21	10:40 pm	-	-	-	5.9	15	6.0	SSW	-	-	-	-	-	-	-	-
09	21	9:40 pm	-	-	-	5.6	15	5.9	S	-	-	-	-	-	-	-	-
09	21	8:40 pm	-	-	-	5.6	15	6.4	S	-	-	-	-	-	-	-	-
09	21	7:40 pm	-	-	-	4.9	15	6.2	SSW	-	-	-	-	-	-	-	-
09	21	6:40 pm	-	-	-	5.2	15	6.4	S	-	-	-	-	-	-	-	-

Detailed Wave Summary
for 51004 as of
(5:40 pm HAST on 09/22/2019)
0340 GMT on 09/23/2019:
These wave data are displayed in rounded times. Unit of Measure: Time Zone: Click on the graph icon in the table below to see a time series plot of the last five days of that observation.
	Significant Wave Height (WVHT):	5.9 ft
	Swell Height (SwH):	4.9 ft
	Swell Period (SwP):	14.8 sec
	Swell Direction (SwD):	S
	Wind Wave Height (WWH):	3.3 ft
	Wind Wave Period (WWP):	5.3 sec
	Wind Wave Direction (WWD):	ESE
	Wave Steepness (STEEPNESS):	SWELL
	Average Wave Period (APD):	6.2 sec

Previous observations

MM	DD	TIME (HAST)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec
09	22	4:40 pm	5.6	4.9	7.1	E	2.6	5.6	E	STEEP	6.3
09	22	3:40 pm	5.6	5.2	14.8	S	2.0	4.2	E	SWELL	6.6
09	22	2:40 pm	5.9	-	-	-	-	-	-	AVERAGE	8.0
09	22	1:40 pm	6.6	-	-	-	-	-	-	STEEP	7.4
09	22	12:40 pm	4.9	-	-	-	-	-	-	N/A	7.9
09	22	11:40 am	6.2	-	-	-	-	-	-	STEEP	7.4
09	22	10:40 am	2.0	-	-	-	-	-	-	N/A	5.3
09	22	9:40 am	5.2	-	-	-	-	-	-	N/A	7.1
09	22	8:40 am	5.2	-	-	-	-	-	-	STEEP	6.7
09	22	7:40 am	5.2	-	-	-	-	-	-	N/A	6.9
09	22	6:40 am	5.2	-	-	-	-	-	-	STEEP	6.8
09	22	5:40 am	4.9	-	-	-	-	-	-	N/A	6.7
09	22	4:40 am	4.9	-	-	-	-	-	-	AVERAGE	6.5
09	22	3:40 am	5.2	-	-	-	-	-	-	N/A	6.7
09	22	2:40 am	5.2	-	-	-	-	-	-	N/A	6.5
09	22	1:40 am	4.9	-	-	-	-	-	-	N/A	6.5
09	22	12:40 am	5.2	-	-	-	-	-	-	N/A	6.2
09	21	11:40 pm	5.2	-	-	-	-	-	-	STEEP	6.0
09	21	10:40 pm	5.9	-	-	-	-	-	-	N/A	6.0
09	21	9:40 pm	5.6	-	-	-	-	-	-	N/A	5.9
09	21	8:40 pm	5.6	-	-	-	-	-	-	N/A	6.4
09	21	7:40 pm	4.9	-	-	-	-	-	-	N/A	6.2
09	21	6:40 pm	5.2	-	-	-	-	-	-	N/A	6.4

Plot of wave energy versus frequency (and period)

Description of Measurements

Links which are specific to this station are listed below:

Real Time Data in tabular form for the last forty-five days.

Historical Data & Climatic Summaries for quality controlled data for the current month, previous months, and previous years.

The weekly status report and the weekly maintenance report also provide valuable station information.

Note that the payload types and the station locations occasionally change.
Please refer to the NDBC data inventory for the data history of each station.