Station 46080 (LLNR 982) - PORTLOCK BANK- 76NM 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

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Conditions at 46080 as of
(1:50 am AKST)
1050 GMT on 12/16/2018:
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):	NNE ( 20 deg true )
	Wind Speed (WSPD):	27.2 kts
	Wind Gust (GST):	36.9 kts
	Wave Height (WVHT):	24.9 ft
	Dominant Wave Period (DPD):	14 sec
	Average Period (APD):	10.0 sec
	Mean Wave Direction (MWD):	ESE ( 102 deg true )
	Atmospheric Pressure (PRES):	28.75 in
	Pressure Tendency (PTDY):	-0.04 in ( Falling )
	Air Temperature (ATMP):	42.6 °F
	Wind Chill (CHILL):	31.8 °F
	Wind Speed at 10 meters (WSPD10M):	29.1 kts
	Wind Speed at 20 meters (WSPD20M):	31.1 kts
	Combined plot of Wind Speed, Gust, and Air Pressure

Continuous Winds
TIME (AKST)	WDIR	WSPD
1:50 am	NNE ( 16 deg )	26.8 kts
1:40 am	N ( 10 deg )	26.4 kts
1:30 am	N ( 2 deg )	27.6 kts
1:20 am	N ( 3 deg )	26.4 kts
1:10 am	N ( 9 deg )	26.4 kts
1:00 am	N ( 7 deg )	26.4 kts

Supplemental Measurements
Highest 1-minute Wind Speed
Time (AKST)		WSPD		WDIR
1:48 am		33.0 kts		NNE ( 20 deg true )

Peak gust during the measurement hour
TIME (AKST)	GDR	GST
1:48 am	NNE ( 20 deg )	36.9 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
12	16	12:50 am	N	27.2	35.0	23.9	14	9.6	ESE	28.77	-0.04	41.7	-	-	-	-	-
12	15	11:50 pm	NNE	29.1	36.9	24.6	14	9.5	ESE	28.79	-0.01	39.6	-	-	-	-	-
12	15	10:50 pm	NNE	29.1	36.9	25.3	14	9.6	ESE	28.80	-0.02	39.9	-	-	-	-	-
12	15	9:50 pm	NNE	29.1	35.0	23.9	15	9.7	ESE	28.80	-0.03	40.1	-	-	-	-	-
12	15	8:50 pm	NE	31.1	38.9	25.6	14	9.7	SE	28.81	-0.04	40.5	-	-	-	-	-
12	15	7:50 pm	NE	31.1	36.9	24.3	14	9.4	ESE	28.82	-0.05	39.9	-	-	-	-	-
12	15	6:50 pm	NE	31.1	38.9	23.9	15	9.3	ESE	28.84	-0.06	40.8	-	-	-	-	-
12	15	5:50 pm	NE	31.1	36.9	26.6	15	9.9	ESE	28.85	-0.06	40.1	-	-	-	-	-
12	15	4:50 pm	NE	29.1	35.0	25.9	12	9.7	ESE	28.87	-0.05	39.9	-	-	-	-	-
12	15	3:50 pm	NE	29.1	36.9	23.9	15	9.2	SE	28.90	-0.05	40.5	-	-	-	-	-
12	15	2:50 pm	ENE	31.1	36.9	24.9	14	9.6	SE	28.91	-0.06	40.8	-	-	-	-	-
12	15	1:50 pm	ENE	31.1	36.9	20.3	14	9.0	SE	28.93	-0.06	41.7	-	-	-	-	-
12	15	12:50 pm	ENE	31.1	40.8	23.3	15	9.4	SE	28.95	-0.05	42.1	-	-	-	-	-
12	15	11:50 am	ENE	31.1	36.9	21.7	15	9.4	SE	28.97	-0.04	41.9	-	-	-	-	-
12	15	10:50 am	ENE	29.1	36.9	23.9	15	9.8	SE	28.99	-0.03	41.7	-	-	-	-	-
12	15	9:50 am	ENE	29.1	36.9	22.0	14	9.5	SSE	29.00	-0.02	41.0	-	-	-	-	-
12	15	8:50 am	ENE	29.1	36.9	22.6	15	9.8	SE	29.00	-0.02	40.8	-	-	-	-	-
12	15	7:50 am	E	29.1	35.0	21.0	15	9.1	SSE	29.01	-0.04	40.8	-	-	-	-	-
12	15	6:50 am	E	27.2	33.0	22.6	14	9.3	SSE	29.03	-0.02	41.9	-	-	-	-	-
12	15	5:50 am	E	29.1	36.9	22.0	14	9.3	SSE	29.03	-0.03	43.2	-	-	-	-	-
12	15	4:50 am	ESE	27.2	38.9	20.0	14	8.7	SSE	29.05	+0.00	39.6	-	-	-	-	-
12	15	3:50 am	E	29.1	36.9	20.0	12	8.8	SSE	29.05	+0.00	43.2	-	-	-	-	-
12	15	2:50 am	E	27.2	33.0	18.0	12	8.3	SSE	29.05	+0.00	43.2	-	-	-	-	-
12	15	1:50 am	E	27.2	35.0	15.7	11	8.0	SSE	29.05	+0.01	43.3	-	-	-	-	-

Detailed Wave Summary
for 46080 as of (2:00 am AKST)
1100 GMT on 12/16/2018:
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):	24.9 ft
	Swell Height (SwH):	21.3 ft
	Swell Period (SwP):	13.8 sec
	Swell Direction (SwD):	ESE
	Wind Wave Height (WWH):	13.1 ft
	Wind Wave Period (WWP):	7.1 sec
	Wind Wave Direction (WWD):	ENE
	Wave Steepness (STEEPNESS):	AVERAGE
	Average Wave Period (APD):	10.0 sec

Previous observations

MM	DD	TIME (AKST)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec
12	16	1:00 am	23.9	16.4	13.8	ESE	17.4	11.4	ESE	AVERAGE	9.6
12	16	12:00 am	24.6	16.4	13.8	ESE	18.4	9.1	E	AVERAGE	9.5
12	15	11:00 pm	25.3	16.4	13.8	ESE	19.0	10.0	E	AVERAGE	9.6
12	15	10:00 pm	23.9	19.7	14.8	ESE	13.8	10.0	E	AVERAGE	9.7
12	15	9:00 pm	25.6	20.3	13.8	SE	15.4	8.3	ENE	AVERAGE	9.7
12	15	8:00 pm	24.3	17.7	13.8	ESE	16.4	10.8	E	AVERAGE	9.4
12	15	7:00 pm	23.9	17.7	14.8	ESE	16.1	7.7	ENE	AVERAGE	9.3
12	15	6:00 pm	26.6	21.3	14.8	ESE	15.7	10.0	ESE	AVERAGE	9.9
12	15	5:00 pm	25.9	19.7	12.1	ESE	17.1	10.0	E	STEEP	9.7
12	15	4:00 pm	23.9	14.1	14.8	SE	19.0	11.4	ESE	AVERAGE	9.2
12	15	3:00 pm	24.9	19.0	13.8	SE	16.1	10.0	ESE	AVERAGE	9.6
12	15	2:00 pm	20.3	17.1	13.8	SE	11.5	6.7	E	AVERAGE	9.0
12	15	1:00 pm	23.3	15.4	14.8	SE	17.7	10.8	SE	AVERAGE	9.4
12	15	12:00 pm	21.7	18.0	14.8	SE	12.1	9.1	ESE	SWELL	9.4
12	15	11:00 am	23.9	16.7	14.8	SE	17.1	10.8	SE	AVERAGE	9.8
12	15	10:00 am	22.0	18.0	13.8	SSE	12.8	8.3	ESE	AVERAGE	9.5
12	15	9:00 am	22.6	18.4	14.8	SE	13.5	10.8	SE	SWELL	9.8
12	15	8:00 am	21.0	16.4	14.8	SSE	13.1	9.1	SE	SWELL	9.1
12	15	7:00 am	22.6	16.4	13.8	SSE	15.7	7.7	SE	AVERAGE	9.3
12	15	6:00 am	22.0	17.7	13.8	SSE	13.1	7.7	SE	AVERAGE	9.3
12	15	5:00 am	20.0	15.1	13.8	SSE	13.1	9.1	SSE	AVERAGE	8.7
12	15	4:00 am	20.0	15.7	12.1	SSE	12.8	7.7	SE	AVERAGE	8.8
12	15	3:00 am	18.0	14.1	12.1	SSE	11.5	8.3	SE	AVERAGE	8.3
12	15	2:00 am	15.7	12.8	11.4	SSE	8.9	5.6	SE	AVERAGE	8.0

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.