Station 46084 (LLNR 1028) - CAPE EDGECUMBE - 25NM SSW of Cape Edgecumbe, AK

Owned and maintained by National Data Buoy Center
3-meter discus buoy w/ seal cage
AMPS payload
56.622 N 136.102 W (56°37'18" N 136°6'6" W)

Site elevation: sea level
Air temp height: 4.4 m above site elevation
Anemometer height: 4.9 m above site elevation
Barometer elevation: 0.3 m above mean sea level
Sea temp depth: 0.6 m below water line
Water depth: 1158 m
Watch circle radius: 1203 yards

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Conditions at 46084 as of
(8:50 pm AKST on 02/20/2020)
0550 GMT on 02/21/2020:
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):	SSW ( 210 deg true )
	Wind Speed (WSPD):	19.4 kts
	Wind Gust (GST):	25.3 kts
	Wave Height (WVHT):	19.7 ft
	Dominant Wave Period (DPD):	11 sec
	Average Period (APD):	9.1 sec
	Mean Wave Direction (MWD):	SSW ( 210 deg true )
	Atmospheric Pressure (PRES):	29.38 in
	Pressure Tendency (PTDY):	-0.01 in ( Falling )
	Air Temperature (ATMP):	43.0 °F
	Water Temperature (WTMP):	43.5 °F
	Dew Point (DEWP):	37.2 °F
	Wind Chill (CHILL):	33.8 °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 (AKST)	WDIR	WSPD
8:50 pm	SSW ( 207 deg )	19.4 kts
8:40 pm	SSW ( 210 deg )	20.2 kts
8:30 pm	SSW ( 200 deg )	18.8 kts
8:20 pm	SSW ( 203 deg )	18.3 kts
8:10 pm	SSW ( 205 deg )	19.6 kts
8:00 pm	SSW ( 204 deg )	19.6 kts

Supplemental Measurements
Highest 1-minute Wind Speed
Time (AKST)		WSPD		WDIR
7:59 pm		23.3 kts		SSW ( 210 deg true )

Peak gust during the measurement hour
TIME (AKST)	GDR	GST
8:35 pm	SSW ( 210 deg )	25.3 kts

Previous observations

MM	DD	TIME (AKST)	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
02	20	7:50 pm	SSW	17.5	21.4	19.7	12	9.0	SW	29.38	-0.01	43.3	43.5	38.7	-	-	-
02	20	6:50 pm	S	15.5	21.4	21.0	11	9.2	SSW	29.39	-0.01	43.5	43.5	40.6	-	-	-
02	20	5:50 pm	SSW	19.4	23.3	20.0	11	8.9	SSW	29.39	-0.01	43.3	43.5	39.9	-	-	-
02	20	4:50 pm	S	17.5	23.3	21.3	12	9.1	SW	29.39	-0.02	43.7	43.5	40.6	-	-	-
02	20	3:50 pm	SSW	19.4	23.3	21.0	11	8.7	SSW	29.41	-0.04	44.1	43.5	41.5	-	-	-
02	20	2:50 pm	S	21.4	27.2	21.7	11	8.8	SSW	29.40	-0.09	43.9	43.5	43.2	-	-	-
02	20	1:50 pm	S	27.2	33.0	24.3	11	8.7	SSW	29.41	-0.13	42.8	43.5	42.3	-	-	-
02	20	12:50 pm	SSE	35.0	44.7	21.7	11	8.4	SSW	29.44	-0.15	41.0	43.5	39.6	-	-	-
02	20	11:50 am	SSE	35.0	42.7	24.6	10	8.7	SSW	29.49	-0.15	39.7	43.7	38.5	-	-	-
02	20	10:50 am	SSE	36.9	46.6	20.0	9	7.9	SSW	29.54	-0.15	38.8	43.5	37.8	-	-	-
02	20	9:50 am	SSE	36.9	44.7	18.0	10	7.7	SW	29.59	-0.15	38.8	43.3	37.2	-	-	-
02	20	8:50 am	SSE	35.0	44.7	15.4	9	7.2	SW	29.64	-0.14	38.8	43.3	36.7	-	-	-
02	20	7:50 am	SSE	33.0	42.7	14.1	9	7.0	SSW	29.69	-0.14	39.7	43.3	36.9	-	-	-
02	20	6:50 am	SSE	31.1	38.9	12.8	9	7.0	SW	29.74	-0.13	39.4	43.3	36.5	-	-	-
02	20	5:50 am	S	27.2	36.9	13.5	9	7.2	SW	29.78	-0.13	41.7	43.3	36.7	-	-	-
02	20	4:50 am	SSE	25.3	29.1	12.1	10	7.2	SW	29.83	-0.12	42.3	43.3	37.0	-	-	-
02	20	3:50 am	S	23.3	27.2	12.5	10	7.3	SW	29.88	-0.09	41.9	43.3	36.3	-	-	-
02	20	2:50 am	S	21.4	27.2	11.8	10	7.4	SW	29.91	-0.06	41.5	43.3	36.0	-	-	-
02	20	1:50 am	S	19.4	23.3	11.5	10	7.5	SW	29.95	-0.04	41.7	43.5	35.6	-	-	-
02	20	12:50 am	SSW	17.5	21.4	11.5	11	7.3	WSW	29.97	-0.02	40.8	43.2	36.3	-	-	-
02	19	11:50 pm	SSW	17.5	23.3	12.5	11	7.9	SW	29.98	-0.02	41.0	43.0	34.3	-	-	-
02	19	10:50 pm	S	17.5	23.3	11.8	10	7.7	SW	29.99	-0.02	39.9	43.0	34.2	-	-	-
02	19	9:50 pm	SSW	17.5	19.4	12.5	11	7.9	SW	29.99	-0.02	41.2	42.8	32.2	-	-	-
02	19	8:50 pm	SSW	19.4	25.3	13.1	11	8.1	SSW	30.00	+0.00	40.5	42.8	33.4	-	-	-

Detailed Wave Summary
for 46084 as of
(9:00 pm AKST on 02/20/2020)
0600 GMT on 02/21/2020:
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):	19.7 ft
	Swell Height (SwH):	17.7 ft
	Swell Period (SwP):	11.4 sec
	Swell Direction (SwD):	SSW
	Wind Wave Height (WWH):	8.2 ft
	Wind Wave Period (WWP):	7.7 sec
	Wind Wave Direction (WWD):	SSW
	Wave Steepness (STEEPNESS):	AVERAGE
	Average Wave Period (APD):	9.1 sec

Previous observations

MM	DD	TIME (AKST)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec
02	20	8:00 pm	19.7	18.0	12.1	SW	7.9	7.1	S	AVERAGE	9.0
02	20	7:00 pm	21.0	19.7	10.8	SSW	8.2	7.7	SSW	STEEP	9.2
02	20	6:00 pm	20.0	17.1	11.4	SSW	10.5	8.3	SSW	AVERAGE	8.9
02	20	5:00 pm	21.3	19.0	12.1	SW	9.5	7.7	S	AVERAGE	9.1
02	20	4:00 pm	21.0	17.1	11.4	SSW	12.1	7.1	S	STEEP	8.7
02	20	3:00 pm	21.7	15.4	11.4	SSW	15.1	7.7	SSW	STEEP	8.8
02	20	2:00 pm	24.3	0.0	-	-	24.3	10.8	SSW	STEEP	8.7
02	20	1:00 pm	21.7	0.0	-	-	21.7	10.8	SSW	STEEP	8.4
02	20	12:00 pm	24.6	0.0	-	-	24.6	10.0	SSW	STEEP	8.7
02	20	11:00 am	20.0	0.0	-	-	20.0	9.1	SSW	VERY_STEEP	7.9
02	20	10:00 am	18.0	0.0	-	-	18.0	10.0	SW	STEEP	7.7
02	20	9:00 am	15.4	6.6	12.9	W	14.1	9.1	SW	STEEP	7.2
02	20	8:00 am	14.1	6.2	12.1	WSW	12.8	9.1	SSW	STEEP	7.0
02	20	7:00 am	12.8	7.2	12.1	WSW	10.5	9.1	SW	STEEP	7.0
02	20	6:00 am	13.5	8.2	12.1	WSW	10.5	9.1	SW	STEEP	7.2
02	20	5:00 am	12.1	9.2	10.0	SW	7.9	5.9	SSW	AVERAGE	7.2
02	20	4:00 am	12.5	9.5	10.0	SW	7.9	5.9	SSW	AVERAGE	7.3
02	20	3:00 am	11.8	9.8	10.0	SW	6.6	5.9	SSW	AVERAGE	7.4
02	20	2:00 am	11.5	9.8	10.0	SW	5.9	5.9	SSW	AVERAGE	7.5
02	20	1:00 am	11.5	9.2	10.8	WSW	6.6	5.9	SW	AVERAGE	7.3
02	20	12:00 am	12.5	10.8	11.4	SW	5.9	6.2	SSW	AVERAGE	7.9
02	19	11:00 pm	11.8	9.2	10.0	SW	6.9	7.7	SSW	AVERAGE	7.7
02	19	10:00 pm	12.5	10.8	10.8	SW	5.9	5.6	SW	AVERAGE	7.9
02	19	9:00 pm	13.1	11.8	10.8	SSW	6.2	5.6	SW	AVERAGE	8.1

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.