Station 46072 (LLNR 27510) - CENTRAL ALEUTIANS 230NM SW Dutch Harbor

Owned and maintained by National Data Buoy Center
3-meter discus buoy
AMPS payload
51.672 N 172.088 W (51°40'18" N 172°5'18" W)

Site elevation: sea level
Air temp height: 4 m above site elevation
Anemometer height: 5 m above site elevation
Barometer elevation: sea level
Sea temp depth: 1 m below water line
Water depth: 3572 m
Watch circle radius: 3642 yards

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Disclaimer

Conditions at 46072 as of
(5:50 am HAST)
1550 GMT on 12/19/2018:
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):	SSE ( 160 deg true )
	Wind Speed (WSPD):	19.4 kts
	Wind Gust (GST):	23.3 kts
	Wave Height (WVHT):	15.1 ft
	Dominant Wave Period (DPD):	11 sec
	Average Period (APD):	8.0 sec
	Mean Wave Direction (MWD):	SSW ( 201 deg true )
	Atmospheric Pressure (PRES):	29.32 in
	Pressure Tendency (PTDY):	-0.13 in ( Falling Rapidly )
	Air Temperature (ATMP):	37.9 °F
	Water Temperature (WTMP):	42.3 °F
	Dew Point (DEWP):	37.9 °F
	Wind Chill (CHILL):	27.1 °F
	Wind Speed at 10 meters (WSPD10M):	21.4 kts
	Wind Speed at 20 meters (WSPD20M):	21.4 kts
	Combined plot of Wind Speed, Gust, and Air Pressure

Continuous Winds
TIME (HAST)	WDIR	WSPD
5:50 am	SSE ( 150 deg )	19.4 kts
5:40 am	SSE ( 155 deg )	19.2 kts
5:30 am	SSE ( 157 deg )	20.4 kts
5:20 am	SSE ( 159 deg )	19.8 kts
5:10 am	SSE ( 162 deg )	19.8 kts
5:00 am	SSE ( 157 deg )	18.6 kts

Supplemental Measurements
Highest 1-minute Wind Speed
Time (HAST)		WSPD		WDIR
5:25 am		21.4 kts		SSE ( 160 deg true )

Peak gust during the measurement hour
TIME (HAST)	GDR	GST
5:15 am	SSE ( 150 deg )	27.2 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
12	19	4:50 am	S	19.4	25.3	15.4	11	8.1	SW	29.37	-0.12	38.5	42.3	38.5	-	-	-
12	19	3:50 am	S	21.4	27.2	17.4	11	8.3	SW	29.42	-0.12	38.8	42.4	38.8	-	-	-
12	19	2:50 am	S	23.3	29.1	16.4	11	8.3	SW	29.45	-0.12	39.2	42.4	39.2	-	-	-
12	19	1:50 am	S	25.3	31.1	17.7	11	8.3	SW	29.49	-0.12	39.2	42.4	39.2	-	-	-
12	19	12:50 am	S	25.3	33.0	17.1	11	8.2	SW	29.54	-0.09	39.2	42.6	39.2	-	-	-
12	18	11:50 pm	S	29.1	36.9	17.7	11	8.3	SW	29.57	-0.10	38.8	42.4	38.5	-	-	-
12	18	10:50 pm	S	27.2	35.0	16.4	11	7.9	SW	29.61	-0.12	39.0	42.4	37.8	-	-	-
12	18	9:50 pm	S	29.1	38.9	17.4	10	8.1	SW	29.64	-0.11	38.3	42.4	37.2	-	-	-
12	18	8:50 pm	S	29.1	36.9	18.0	10	7.9	SW	29.67	-0.12	37.9	42.4	36.5	-	-	-
12	18	7:50 pm	S	29.1	35.0	16.1	9	7.6	SW	29.72	-0.09	37.8	42.4	35.4	-	-	-
12	18	6:50 pm	S	27.2	33.0	13.5	8	7.1	SW	29.75	-0.11	37.9	42.4	35.6	-	-	-
12	18	5:50 pm	SSW	29.1	35.0	14.4	8	7.2	SW	29.78	-0.10	37.8	42.4	30.4	-	-	-
12	18	4:50 pm	S	29.1	35.0	12.5	7	6.8	SW	29.82	-0.12	39.0	42.4	29.7	-	-	-
12	18	3:50 pm	SSW	27.2	35.0	11.2	7	6.7	SW	29.86	-0.12	38.8	42.4	28.2	-	-	-
12	18	2:50 pm	SSW	27.2	33.0	9.8	9	6.4	WSW	29.88	-0.12	38.5	42.6	27.1	-	-	-
12	18	1:50 pm	S	23.3	31.1	9.2	9	6.5	W	29.93	-0.09	38.1	42.4	28.4	-	-	-
12	18	12:50 pm	SSW	23.3	29.1	8.9	10	6.8	WNW	29.98	-0.08	37.8	42.4	27.1	-	-	-
12	18	11:50 am	SSW	21.4	29.1	8.2	9	6.8	NNW	30.01	-0.07	37.2	42.3	25.9	-	-	-
12	18	10:50 am	SSW	21.4	25.3	7.9	10	6.9	N	30.03	-0.06	36.7	42.3	24.6	-	-	-
12	18	9:50 am	SSW	19.4	25.3	8.2	9	7.0	N	30.06	-0.06	36.5	42.3	24.1	-	-	-
12	18	8:50 am	SW	17.5	21.4	9.2	10	7.4	NNW	30.08	-0.05	36.1	42.3	23.9	-	-	-
12	18	7:50 am	SW	15.5	21.4	9.8	9	7.6	NNE	30.09	-0.04	36.0	42.3	23.2	-	-	-
12	18	6:50 am	WSW	15.5	19.4	9.8	9	7.8	N	30.11	-0.02	36.1	42.3	24.1	-	-	-
12	18	5:50 am	SW	13.6	17.5	9.2	9	7.7	N	30.13	-0.01	36.0	42.1	23.2	-	-	-

Detailed Wave Summary
for 46072 as of (6:00 am HAST)
1600 GMT on 12/19/2018:
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):	15.1 ft
	Swell Height (SwH):	12.5 ft
	Swell Period (SwP):	10.8 sec
	Swell Direction (SwD):	SSW
	Wind Wave Height (WWH):	8.5 ft
	Wind Wave Period (WWP):	5.3 sec
	Wind Wave Direction (WWD):	SSW
	Wave Steepness (STEEPNESS):	AVERAGE
	Average Wave Period (APD):	8.0 sec

Previous observations

MM	DD	TIME (HAST)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec
12	19	5:00 am	15.4	11.5	11.4	SW	10.2	5.6	SSW	AVERAGE	8.1
12	19	4:00 am	17.4	14.1	10.8	SW	10.5	5.9	SSW	STEEP	8.3
12	19	3:00 am	16.4	12.8	10.8	SW	10.2	4.5	S	AVERAGE	8.3
12	19	2:00 am	17.7	0.0	-	-	17.7	10.8	SW	STEEP	8.3
12	19	1:00 am	17.1	0.0	-	-	17.1	10.8	SW	STEEP	8.2
12	19	12:00 am	17.7	10.5	10.8	SW	14.4	5.3	S	STEEP	8.3
12	18	11:00 pm	16.4	0.0	-	-	16.4	10.8	SW	AVERAGE	7.9
12	18	10:00 pm	17.4	1.3	17.4	S	17.4	10.0	SW	STEEP	8.1
12	18	9:00 pm	18.0	0.0	-	-	18.0	10.0	SW	STEEP	7.9
12	18	8:00 pm	16.1	0.0	-	-	16.1	9.1	SW	STEEP	7.6
12	18	7:00 pm	13.5	2.3	13.8	WNW	13.1	7.7	SW	VERY_STEEP	7.1
12	18	6:00 pm	14.4	1.6	13.8	SE	14.4	8.3	SW	VERY_STEEP	7.2
12	18	5:00 pm	12.5	0.0	-	-	12.5	7.1	SW	VERY_STEEP	6.8
12	18	4:00 pm	11.2	4.3	13.8	N	10.2	7.1	SW	VERY_STEEP	6.7
12	18	3:00 pm	9.8	3.3	10.8	SW	9.2	9.1	WSW	STEEP	6.4
12	18	2:00 pm	9.2	4.6	10.8	SW	7.9	9.1	W	AVERAGE	6.5
12	18	1:00 pm	8.9	6.6	10.0	WNW	6.2	5.9	WSW	AVERAGE	6.8
12	18	12:00 pm	8.2	5.9	9.1	NNW	5.2	5.6	WSW	AVERAGE	6.8
12	18	11:00 am	7.9	5.9	10.0	N	5.2	5.0	WSW	AVERAGE	6.9
12	18	10:00 am	8.2	6.9	9.1	N	4.6	7.1	NNW	AVERAGE	7.0
12	18	9:00 am	9.2	7.9	10.0	NNW	4.9	4.5	W	AVERAGE	7.4
12	18	8:00 am	9.8	8.9	9.1	NNE	4.3	6.2	NNW	STEEP	7.6
12	18	7:00 am	9.8	8.9	9.1	N	3.9	5.6	NNW	STEEP	7.8
12	18	6:00 am	9.2	8.5	9.1	N	3.3	6.2	NNW	AVERAGE	7.7

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.