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

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Owned and maintained by National Data Buoy Center
6-meter NOMAD buoy
ARES payload
57.939 N 149.960 W (57°56'21" N 149°57'36" 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: 259.08 m
Watch circle radius: 406 yards

Latest NWS Marine Forecast

Important Notice to Mariners

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships

Conditions at 46080 as of
(3:50 am AKDT)
1150 GMT on 09/26/2016:
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):	WNW ( 300 deg true )
	Wind Speed (WSPD):	15.5 kts
	Wind Gust (GST):	17.5 kts
	Wave Height (WVHT):	5.2 ft
	Dominant Wave Period (DPD):	6 sec
	Average Period (APD):	4.5 sec
	Atmospheric Pressure (PRES):	29.86 in
	Pressure Tendency (PTDY):	+0.00 in ( Steady )
	Air Temperature (ATMP):	50.0 °F
	Water Temperature (WTMP):	52.2 °F
	Dew Point (DEWP):	37.2 °F
	Wind Chill (CHILL):	44.1 °F
	Wind Speed at 10 meters (WSPD10M):	15.5 kts
	Wind Speed at 20 meters (WSPD20M):	15.5 kts
	Combined plot of Wind Speed, Gust, and Air Pressure

Continuous Winds
TIME (AKDT)	WDIR	WSPD
3:50 am	WNW ( 303 deg )	14.4 kts
3:40 am	WNW ( 301 deg )	14.6 kts
3:30 am	WNW ( 300 deg )	14.8 kts
3:20 am	WNW ( 299 deg )	15.3 kts
3:10 am	NW ( 304 deg )	14.8 kts
3:00 am	WNW ( 296 deg )	15.0 kts

Supplemental Measurements
Highest 1-minute Wind Speed
Time (AKDT)		WSPD		WDIR
3:20 am		17.5 kts		WNW ( 300 deg true )

Peak gust during the measurement hour
TIME (AKDT)	GDR	GST
3:20 am	WNW ( 300 deg )	19.4 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
09	26	2:50 am	WNW	13.6	17.5	-	-	-	-	29.86	+0.00	50.0	52.7	37.0	-	-	-
09	26	1:50 am	WNW	15.5	19.4	5.2	6	4.6	-	29.85	-0.01	50.0	52.9	37.2	-	-	-
09	26	12:50 am	WNW	15.5	17.5	4.6	5	4.5	-	29.85	-0.01	50.2	52.9	37.8	-	-	-
09	25	11:50 pm	WNW	13.6	17.5	-	-	-	-	29.86	+0.00	50.0	52.9	38.8	-	-	-
09	25	10:50 pm	WNW	13.6	15.5	4.6	7	4.8	-	29.86	+0.00	50.2	52.9	39.4	-	-	-
09	25	9:50 pm	NW	11.7	15.5	-	-	-	-	29.86	+0.00	50.2	52.9	38.1	-	-	-
09	25	8:50 pm	NNW	13.6	15.5	4.3	6	5.1	-	29.86	-0.01	50.4	53.1	39.6	-	-	-
09	25	7:50 pm	NNW	11.7	15.5	4.3	7	5.0	-	29.86	-0.01	50.2	52.9	37.4	-	-	-
09	25	6:50 pm	NNW	9.7	13.6	4.9	8	5.4	-	29.87	-0.01	49.8	53.1	39.0	-	-	-
09	25	5:50 pm	NNW	9.7	11.7	5.2	6	5.2	-	29.87	+0.00	50.0	53.1	39.6	-	-	-
09	25	4:50 pm	NNW	9.7	13.6	4.6	7	5.2	-	29.88	+0.00	50.0	53.4	40.1	-	-	-
09	25	3:50 pm	NNW	11.7	13.6	-	-	-	-	29.88	+0.00	50.2	53.2	41.5	-	-	-
09	25	2:50 pm	N	9.7	13.6	4.6	8	5.2	-	29.88	+0.01	50.2	53.1	42.8	-	-	-
09	25	1:50 pm	NNW	11.7	13.6	-	-	-	-	29.88	+0.02	50.4	52.3	41.0	-	-	-
09	25	12:50 pm	NNW	11.7	13.6	3.9	9	5.3	-	29.87	+0.03	49.8	52.2	42.3	-	-	-
09	25	11:50 am	N	7.8	9.7	4.3	8	5.9	-	29.87	+0.03	50.0	52.5	41.7	-	-	-
09	25	10:50 am	NNW	7.8	9.7	4.6	8	6.0	-	29.86	+0.03	50.2	52.5	43.3	-	-	-
09	25	9:50 am	WNW	5.8	7.8	4.3	8	5.9	-	29.85	+0.02	50.4	52.5	44.2	-	-	-
09	25	8:50 am	WNW	7.8	9.7	4.3	8	5.7	-	29.84	+0.01	50.4	52.7	44.2	-	-	-
09	25	7:50 am	WNW	9.7	11.7	4.3	9	5.8	-	29.83	+0.01	50.4	52.7	44.8	-	-	-
09	25	6:50 am	WNW	9.7	11.7	5.2	9	6.3	-	29.83	+0.01	50.9	52.9	42.1	-	-	-
09	25	5:50 am	WNW	7.8	11.7	4.6	8	6.1	-	29.83	+0.02	51.3	52.7	41.5	-	-	-
09	25	4:50 am	WNW	7.8	7.8	4.9	8	6.3	-	29.82	+0.02	51.4	52.7	42.1	-	-	-
09	25	3:50 am	WNW	7.8	7.8	4.9	9	6.0	-	29.81	+0.01	51.1	51.6	45.0	-	-	-

Detailed Wave Summary
for 46080 as of (4:00 am AKDT)
1200 GMT on 09/26/2016:
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):	5.2 ft
	Swell Height (SwH):	0.0 ft
	Wind Wave Height (WWH):	5.2 ft
	Wind Wave Period (WWP):	5.9 sec
	Wave Steepness (STEEPNESS):	VERY_STEEP
	Average Wave Period (APD):	4.5 sec

Previous observations

MM	DD	TIME (AKDT)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec
09	26	2:00 am	5.2	2.0	17.4	N/A	4.9	6.2	N/A	STEEP	4.6
09	26	1:00 am	4.6	0.0	-	N/A	4.6	5.0	N/A	VERY_STEEP	4.5
09	25	11:00 pm	4.6	2.6	6.7	N/A	3.9	5.6	N/A	STEEP	4.8
09	25	9:00 pm	4.3	0.0	-	N/A	4.3	6.2	N/A	STEEP	5.1
09	25	8:00 pm	4.3	3.0	6.7	N/A	3.3	5.0	N/A	STEEP	5.0
09	25	7:00 pm	4.9	4.6	8.3	N/A	2.3	3.7	N/A	AVERAGE	5.4
09	25	6:00 pm	5.2	4.6	5.6	N/A	2.3	4.2	N/A	VERY_STEEP	5.2
09	25	5:00 pm	4.6	3.9	6.7	N/A	2.6	5.0	N/A	STEEP	5.2
09	25	3:00 pm	4.6	3.9	8.3	N/A	2.6	4.5	N/A	AVERAGE	5.2
09	25	1:00 pm	3.9	3.3	9.1	N/A	2.3	5.6	N/A	SWELL	5.3
09	25	12:00 pm	4.3	4.3	8.3	N/A	1.3	3.7	N/A	AVERAGE	5.9
09	25	11:00 am	4.6	4.3	7.7	N/A	1.3	3.6	N/A	AVERAGE	6.0
09	25	10:00 am	4.3	3.9	8.3	N/A	1.3	3.3	N/A	AVERAGE	5.9
09	25	9:00 am	4.3	3.9	8.3	N/A	1.6	3.7	N/A	AVERAGE	5.7
09	25	8:00 am	4.3	3.9	9.1	N/A	1.6	4.5	N/A	SWELL	5.8
09	25	7:00 am	5.2	4.9	9.1	N/A	1.3	3.7	N/A	AVERAGE	6.3
09	25	6:00 am	4.6	4.3	8.3	N/A	1.3	4.0	N/A	AVERAGE	6.1
09	25	5:00 am	4.9	4.6	8.3	N/A	1.3	3.7	N/A	AVERAGE	6.3
09	25	4:00 am	4.9	4.6	9.1	N/A	1.3	3.7	N/A	AVERAGE	6.0

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.