Station 46001 (LLNR 984) - WESTERN GULF OF ALASKA - 175NM SE of Kodiak, AK

Owned and maintained by National Data Buoy Center
3-meter discus buoy
AMPS payload
56.232 N 147.949 W (56°13'56" N 147°56'57" 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: 4054 m
Watch circle radius: 4308 yards

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Conditions at 46001 as of
(7:50 pm HAST on 11/30/2020)
0550 GMT on 12/01/2020:
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 ( 200 deg true )
	Wind Speed (WSPD):	17.5 kts
	Wind Gust (GST):	21.4 kts
	Wave Height (WVHT):	16.7 ft
	Dominant Wave Period (DPD):	12 sec
	Average Period (APD):	9.1 sec
	Mean Wave Direction (MWD):	S ( 188 deg true )
	Atmospheric Pressure (PRES):	28.89 in
	Pressure Tendency (PTDY):	+0.08 in ( Rising )
	Air Temperature (ATMP):	43.3 °F
	Water Temperature (WTMP):	41.9 °F
	Wind Chill (CHILL):	34.9 °F
	Wind Speed at 10 meters (WSPD10M):	17.5 kts
	Wind Speed at 20 meters (WSPD20M):	19.4 kts
	Combined plot of Wind Speed, Gust, and Air Pressure

Continuous Winds
TIME (HAST)	WDIR	WSPD
7:50 pm	SSW ( 197 deg )	16.5 kts
7:40 pm	SSW ( 199 deg )	16.9 kts
7:30 pm	SSW ( 203 deg )	17.9 kts
7:20 pm	SSW ( 205 deg )	18.3 kts
7:10 pm	SSW ( 204 deg )	17.1 kts
7:00 pm	SSW ( 205 deg )	18.3 kts

Supplemental Measurements
Highest 1-minute Wind Speed
Time (HAST)		WSPD		WDIR
6:55 pm		21.4 kts		SSW ( 210 deg true )

Peak gust during the measurement hour
TIME (HAST)	GDR	GST
6:55 pm	SSW ( 210 deg )	25.3 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
11	30	6:50 pm	SSW	17.5	23.3	16.1	12	8.9	S	28.86	+0.10	43.3	41.9	-	-	-	-
11	30	5:50 pm	SSW	17.5	23.3	16.4	11	8.6	S	28.83	+0.10	43.2	41.9	-	-	-	-
11	30	4:50 pm	SW	17.5	21.4	17.4	11	8.5	S	28.81	+0.09	43.2	41.9	-	-	-	-
11	30	3:50 pm	SW	25.3	29.1	16.7	11	7.9	S	28.76	+0.10	43.0	41.9	-	-	-	-
11	30	2:50 pm	SSW	21.4	25.3	16.4	11	7.9	S	28.73	+0.03	43.9	41.9	-	-	-	-
11	30	1:50 pm	S	21.4	27.2	17.4	10	7.7	S	28.71	-0.05	44.1	41.9	-	-	-	-
11	30	12:50 pm	S	29.1	35.0	20.0	10	7.9	SSE	28.66	-0.17	44.2	42.1	-	-	-	-
11	30	11:50 am	SSE	33.0	40.8	17.4	9	7.3	SSE	28.70	-0.24	43.3	42.1	-	-	-	-
11	30	10:50 am	SE	35.0	42.7	16.1	8	6.9	SSE	28.76	-0.30	42.1	42.1	-	-	-	-
11	30	9:50 am	SE	36.9	48.6	12.8	8	6.4	SSE	28.84	-0.30	40.6	41.9	-	-	-	-
11	30	8:50 am	SE	38.9	44.7	11.5	7	6.2	SSE	28.94	-0.28	39.0	41.9	-	-	-	-
11	30	7:50 am	ESE	31.1	38.9	9.5	6	6.0	SSE	29.06	-0.23	38.5	41.9	-	-	-	-
11	30	6:50 am	SE	29.1	36.9	8.9	11	6.2	SW	29.14	-0.18	38.1	42.1	-	-	-	-
11	30	5:50 am	SE	27.2	33.0	8.5	9	6.5	SW	29.22	-0.15	39.0	42.3	-	-	-	-
11	30	4:50 am	SSE	21.4	27.2	9.2	9	6.8	SW	29.30	-0.08	40.1	42.3	-	-	-	-
11	30	3:50 am	SSE	19.4	23.3	8.5	10	6.6	WSW	29.33	-0.06	39.6	42.1	-	-	-	-
11	30	2:50 am	S	17.5	19.4	9.2	9	6.8	WSW	29.36	-0.01	39.4	42.3	-	-	-	-
11	30	1:50 am	S	15.5	17.5	9.5	9	6.7	SW	29.38	+0.00	38.8	42.1	-	-	-	-
11	30	12:50 am	SSW	15.5	17.5	11.2	10	7.3	SW	29.39	+0.01	38.8	42.1	-	-	-	-
11	29	11:50 pm	SW	17.5	23.3	11.8	10	7.3	SW	29.38	+0.02	38.7	42.1	-	-	-	-
11	29	10:50 pm	WSW	17.5	23.3	12.8	10	7.6	SW	29.38	+0.03	39.0	42.3	-	-	-	-
11	29	9:50 pm	SW	17.5	21.4	11.5	11	7.6	WSW	29.37	+0.04	38.7	42.3	-	-	-	-
11	29	8:50 pm	WSW	23.3	31.1	12.8	11	7.6	WSW	29.35	+0.03	37.8	42.3	-	-	-	-
11	29	7:50 pm	WSW	19.4	23.3	13.5	11	7.5	WSW	29.35	+0.05	38.5	42.3	-	-	-	-

Detailed Wave Summary
for 46001 as of
(8:00 pm HAST on 11/30/2020)
0600 GMT on 12/01/2020:
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):	16.7 ft
	Swell Height (SwH):	15.4 ft
	Swell Period (SwP):	12.1 sec
	Swell Direction (SwD):	S
	Wind Wave Height (WWH):	6.6 ft
	Wind Wave Period (WWP):	5.9 sec
	Wind Wave Direction (WWD):	SSE
	Wave Steepness (STEEPNESS):	AVERAGE
	Average Wave Period (APD):	9.1 sec

Previous observations

MM	DD	TIME (HAST)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec
11	30	7:00 pm	16.1	14.1	12.1	S	7.5	6.2	S	AVERAGE	8.9
11	30	6:00 pm	16.4	14.1	11.4	S	8.2	7.7	S	AVERAGE	8.6
11	30	5:00 pm	17.4	15.1	10.8	S	8.9	6.7	SSE	STEEP	8.5
11	30	4:00 pm	16.7	14.1	10.8	S	9.5	7.7	SSE	AVERAGE	7.9
11	30	3:00 pm	16.4	9.5	10.8	S	13.5	4.0	SSE	AVERAGE	7.9
11	30	2:00 pm	17.4	14.1	10.0	S	10.2	4.8	SSE	STEEP	7.7
11	30	1:00 pm	20.0	0.0	-	-	20.0	10.0	SSE	STEEP	7.9
11	30	12:00 pm	17.4	12.1	9.1	SSE	12.5	6.2	SE	STEEP	7.3
11	30	11:00 am	16.1	0.0	-	-	16.1	7.7	SSE	VERY_STEEP	6.9
11	30	10:00 am	12.8	2.6	12.9	ENE	12.5	7.7	SSE	VERY_STEEP	6.4
11	30	9:00 am	11.5	3.9	12.9	SW	10.8	6.7	SSE	VERY_STEEP	6.2
11	30	8:00 am	9.5	5.6	9.1	SSW	7.9	6.2	SSE	VERY_STEEP	6.0
11	30	7:00 am	8.9	5.6	10.8	SW	6.9	5.9	S	AVERAGE	6.2
11	30	6:00 am	8.5	5.9	9.1	SW	5.9	7.1	SW	AVERAGE	6.5
11	30	5:00 am	9.2	6.9	9.1	SW	5.9	6.7	WSW	AVERAGE	6.8
11	30	4:00 am	8.5	5.6	10.0	WSW	6.6	7.1	WSW	AVERAGE	6.6
11	30	3:00 am	9.2	6.9	9.1	WSW	6.2	6.2	WSW	AVERAGE	6.8
11	30	2:00 am	9.5	7.5	9.1	SW	5.9	6.7	WSW	AVERAGE	6.7
11	30	1:00 am	11.2	9.8	10.0	SW	5.2	6.2	WSW	AVERAGE	7.3
11	30	12:00 am	11.8	8.9	10.0	SW	7.9	7.7	WSW	AVERAGE	7.3
11	29	11:00 pm	12.8	10.2	10.0	SW	7.9	4.2	WSW	AVERAGE	7.6
11	29	10:00 pm	11.5	9.5	10.8	WSW	6.6	6.7	WSW	AVERAGE	7.6
11	29	9:00 pm	12.8	7.2	10.8	WSW	10.5	7.7	WSW	AVERAGE	7.6
11	29	8:00 pm	13.5	8.9	10.8	WSW	9.8	8.3	WSW	AVERAGE	7.5

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.