Station 46080 (LLNR 982) - PORTLOCK BANK- 76 NM ENE of Kodiak, AK

Owned and maintained by National Data Buoy Center
3-meter discus buoy
AMPS payload
57.947 N 150.042 W (57°56'51" N 150°2'30" 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: 254.5 m
Watch circle radius: 448 yards

Latest NWS Marine Forecast

Important Notice to Mariners

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships

Large icon indicates selected station.

Stations with recent data

Stations with no data in last 8 hours
(24 hours for tsunami stations)

Disclaimer

Conditions at 46080 as of
(4:50 am AKDT)
1250 GMT on 04/19/2019:
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):	WSW ( 250 deg true )
	Wind Speed (WSPD):	15.5 kts
	Wind Gust (GST):	21.4 kts
	Wave Height (WVHT):	7.5 ft
	Dominant Wave Period (DPD):	7 sec
	Average Period (APD):	5.8 sec
	Mean Wave Direction (MWD):	WNW ( 282 deg true )
	Atmospheric Pressure (PRES):	29.70 in
	Pressure Tendency (PTDY):	+0.05 in ( Rising )
	Air Temperature (ATMP):	37.8 °F
	Water Temperature (WTMP):	42.3 °F
	Wind Chill (CHILL):	28.0 °F
	Wind Speed at 10 meters (WSPD10M):	17.5 kts
	Wind Speed at 20 meters (WSPD20M):	17.5 kts
	Combined plot of Wind Speed, Gust, and Air Pressure

Continuous Winds
TIME (AKDT)	WDIR	WSPD
4:50 am	WSW ( 251 deg )	16.7 kts
4:40 am	WSW ( 255 deg )	16.9 kts
4:30 am	WSW ( 251 deg )	16.7 kts
4:20 am	WSW ( 254 deg )	17.9 kts
4:10 am	WSW ( 249 deg )	17.9 kts
4:00 am	WSW ( 248 deg )	18.1 kts

Supplemental Measurements
Highest 1-minute Wind Speed
Time (AKDT)		WSPD		WDIR
3:57 am		19.4 kts		WSW ( 250 deg true )

Peak gust during the measurement hour
TIME (AKDT)	GDR	GST
3:57 am	WSW ( 250 deg )	23.3 kts

Previous observations

MM	DD	TIME (AKDT)	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
04	19	3:50 am	WSW	19.4	23.3	7.9	7	6.0	W	29.69	+0.06	37.9	42.3	-	-	-	-
04	19	2:50 am	WSW	17.5	23.3	7.9	7	6.0	W	29.67	+0.06	37.9	42.4	-	-	-	-
04	19	1:50 am	WSW	19.4	21.4	7.5	8	6.1	WNW	29.65	+0.05	37.9	42.4	-	-	-	-
04	19	12:50 am	W	19.4	23.3	8.9	8	6.4	W	29.63	+0.04	37.9	42.6	-	-	-	-
04	18	11:50 pm	W	21.4	25.3	8.5	8	6.2	W	29.61	+0.05	38.1	42.6	-	-	-	-
04	18	10:50 pm	W	19.4	25.3	7.2	8	6.2	WNW	29.60	+0.04	38.1	42.8	-	-	-	-
04	18	9:50 pm	WNW	9.7	13.6	7.5	11	6.9	SE	29.59	+0.05	37.2	43.0	-	-	-	-
04	18	8:50 pm	W	13.6	15.5	8.5	11	7.0	SE	29.56	+0.04	37.6	43.2	-	-	-	-
04	18	7:50 pm	WNW	9.7	11.7	7.2	12	6.1	SSE	29.56	+0.04	37.0	43.2	-	-	-	-
04	18	6:50 pm	WSW	15.5	19.4	8.2	13	6.4	SSE	29.54	+0.03	38.7	43.2	-	-	-	-
04	18	5:50 pm	WSW	17.5	21.4	7.9	12	6.3	S	29.53	+0.03	38.1	43.2	-	-	-	-
04	18	4:50 pm	W	17.5	23.3	8.2	12	6.4	S	29.52	+0.03	37.6	43.0	-	-	-	-
04	18	3:50 pm	W	19.4	23.3	8.2	13	6.3	SSE	29.51	+0.03	37.0	42.8	-	-	-	-
04	18	2:50 pm	W	19.4	25.3	7.5	8	6.4	NW	29.49	+0.04	36.9	42.6	-	-	-	-
04	18	1:50 pm	W	17.5	21.4	6.6	14	6.5	SSE	29.49	+0.04	36.5	42.6	-	-	-	-
04	18	12:50 pm	W	15.5	19.4	6.6	8	6.4	NW	29.48	+0.04	35.6	42.4	-	-	-	-
04	18	11:50 am	W	15.5	19.4	7.2	8	6.2	NW	29.46	+0.03	35.6	42.6	-	-	-	-
04	18	10:50 am	WNW	17.5	21.4	7.9	8	6.0	NW	29.45	+0.03	35.4	42.6	-	-	-	-
04	18	9:50 am	WNW	19.4	23.3	7.2	8	5.6	NW	29.43	+0.02	35.6	42.6	-	-	-	-
04	18	8:50 am	WNW	19.4	25.3	7.2	8	5.6	NW	29.43	+0.02	35.2	42.6	-	-	-	-
04	18	7:50 am	WNW	19.4	27.2	7.9	8	5.4	NW	29.42	+0.02	35.6	42.8	-	-	-	-
04	18	6:50 am	WNW	21.4	25.3	8.9	8	5.8	NW	29.41	+0.02	36.0	42.8	-	-	-	-
04	18	5:50 am	WNW	21.4	25.3	8.2	7	5.7	NW	29.40	+0.01	36.3	42.8	-	-	-	-
04	18	4:50 am	WNW	19.4	25.3	8.9	7	5.8	NW	29.40	+0.01	36.7	42.8	-	-	-	-

Detailed Wave Summary
for 46080 as of (5:00 am AKDT)
1300 GMT on 04/19/2019:
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):	7.5 ft
	Swell Height (SwH):	3.9 ft
	Swell Period (SwP):	10.0 sec
	Swell Direction (SwD):	SSE
	Wind Wave Height (WWH):	6.6 ft
	Wind Wave Period (WWP):	6.7 sec
	Wind Wave Direction (WWD):	WNW
	Wave Steepness (STEEPNESS):	VERY_STEEP
	Average Wave Period (APD):	5.8 sec

Previous observations

MM	DD	TIME (AKDT)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec
04	19	4:00 am	7.9	3.3	10.0	SE	7.2	6.7	W	VERY_STEEP	6.0
04	19	3:00 am	7.9	3.9	10.0	SSE	6.6	7.1	W	STEEP	6.0
04	19	2:00 am	7.5	3.9	10.0	SSE	6.6	8.3	WNW	STEEP	6.1
04	19	1:00 am	8.9	3.9	10.0	SE	7.9	7.7	W	STEEP	6.4
04	19	12:00 am	8.5	4.6	10.0	SE	7.2	8.3	W	STEEP	6.2
04	18	11:00 pm	7.2	4.9	8.3	WNW	5.2	4.8	WNW	STEEP	6.2
04	18	10:00 pm	7.5	7.2	10.8	SE	2.3	4.8	WNW	SWELL	6.9
04	18	9:00 pm	8.5	7.9	10.8	SE	3.9	3.7	NW	AVERAGE	7.0
04	18	8:00 pm	7.2	6.9	12.1	SSE	2.6	4.3	NW	SWELL	6.1
04	18	7:00 pm	8.2	6.6	12.9	SSE	4.9	6.2	WNW	SWELL	6.4
04	18	6:00 pm	7.9	5.2	12.1	S	6.2	7.1	NW	AVERAGE	6.3
04	18	5:00 pm	8.2	4.6	12.1	S	6.9	7.1	NW	AVERAGE	6.4
04	18	4:00 pm	8.2	3.9	12.9	SSE	6.9	7.7	WNW	AVERAGE	6.3
04	18	3:00 pm	7.5	4.9	8.3	NW	5.6	5.0	WNW	STEEP	6.4
04	18	2:00 pm	6.6	4.6	13.8	SSE	4.9	6.2	WNW	AVERAGE	6.5
04	18	1:00 pm	6.6	5.2	8.3	NW	4.3	6.2	NW	AVERAGE	6.4
04	18	12:00 pm	7.2	5.2	8.3	NW	4.6	6.2	NW	AVERAGE	6.2
04	18	11:00 am	7.9	4.9	8.3	NW	5.9	6.2	NW	STEEP	6.0
04	18	10:00 am	7.2	3.9	8.3	NW	5.9	7.1	NW	AVERAGE	5.6
04	18	9:00 am	7.2	2.3	12.1	W	6.9	7.7	NW	STEEP	5.6
04	18	8:00 am	7.9	2.3	10.0	WSW	7.5	7.7	NW	STEEP	5.4
04	18	7:00 am	8.9	1.3	11.4	WSW	8.9	7.7	NW	STEEP	5.8
04	18	6:00 am	8.2	1.6	10.8	SSW	7.9	7.1	NW	STEEP	5.7
04	18	5:00 am	8.9	1.6	10.0	WSW	8.5	7.1	NW	VERY_STEEP	5.8

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.