Station 46077 (LLNR 26950) - SHELIKOF STRAIT, AK

Owned and maintained by National Data Buoy Center
3-meter discus buoy w/ seal cage
AMPS payload
57.902 N 154.176 W (57°54'9" N 154°10'34" 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: 200 m
Watch circle radius: 350 yards

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Disclaimer

Conditions at 46077 as of
(2:50 pm AKST)
2350 GMT on 12/12/2019:
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):	NNE ( 30 deg true )
	Wind Speed (WSPD):	27.2 kts
	Wind Gust (GST):	33.0 kts
	Wave Height (WVHT):	7.2 ft
	Dominant Wave Period (DPD):	6 sec
	Average Period (APD):	5.2 sec
	Mean Wave Direction (MWD):	NNE ( 21 deg true )
	Atmospheric Pressure (PRES):	28.99 in
	Pressure Tendency (PTDY):	-0.01 in ( Falling )
	Air Temperature (ATMP):	44.1 °F
	Water Temperature (WTMP):	43.7 °F
	Dew Point (DEWP):	42.6 °F
	Wind Chill (CHILL):	33.8 °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
2:50 pm	NNE ( 31 deg )	27.2 kts
2:40 pm	NNE ( 24 deg )	24.9 kts
2:30 pm	NNE ( 19 deg )	27.4 kts
2:20 pm	NNE ( 19 deg )	28.4 kts
2:10 pm	NNE ( 20 deg )	28.0 kts
2:00 pm	NNE ( 20 deg )	28.6 kts

Supplemental Measurements
Highest 1-minute Wind Speed
Time (AKST)		WSPD		WDIR
2:16 pm		31.1 kts		NNE ( 20 deg true )

Peak gust during the measurement hour
TIME (AKST)	GDR	GST
2:03 pm	NNE ( 20 deg )	35.0 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	12	1:50 pm	NNE	29.1	35.0	7.2	7	5.1	NNE	28.99	+0.00	43.3	43.7	42.3	-	-	-
12	12	12:50 pm	NNE	27.2	31.1	7.5	6	5.1	NNE	29.00	+0.00	44.1	43.9	42.6	-	-	-
12	12	11:50 am	NNE	29.1	36.9	7.5	6	5.2	NNE	29.00	+0.01	43.9	43.7	42.4	-	-	-
12	12	10:50 am	NNE	29.1	35.0	6.9	6	4.9	NNE	29.00	-0.01	43.5	43.3	42.6	-	-	-
12	12	9:50 am	NNE	29.1	35.0	6.2	6	4.7	NNE	29.00	+0.00	43.9	43.3	42.1	-	-	-
12	12	8:50 am	NNE	27.2	33.0	5.6	5	4.7	NNE	29.00	+0.00	44.8	43.3	41.5	-	-	-
12	12	7:50 am	NE	17.5	21.4	5.2	5	4.7	NNE	29.01	+0.00	43.5	43.3	42.4	-	-	-
12	12	6:50 am	NNE	21.4	27.2	5.9	5	4.9	NNE	29.00	+0.01	44.4	43.3	42.6	-	-	-
12	12	5:50 am	NNE	21.4	25.3	6.6	6	5.1	NNE	28.99	+0.01	44.8	43.3	41.5	-	-	-
12	12	4:50 am	NNE	17.5	21.4	7.5	6	5.3	NNE	29.00	+0.04	43.9	43.5	42.8	-	-	-
12	12	3:50 am	N	23.3	29.1	8.5	8	5.7	NNE	28.99	+0.03	41.7	43.5	40.8	-	-	-
12	12	2:50 am	N	25.3	31.1	10.5	7	6.2	NNE	28.98	+0.02	43.7	43.7	41.7	-	-	-
12	12	1:50 am	NNE	25.3	31.1	11.8	7	6.5	NNE	28.96	+0.00	43.5	44.1	42.3	-	-	-
12	12	12:50 am	NNE	27.2	35.0	12.5	8	6.9	NNE	28.96	+0.00	42.6	43.9	42.3	-	-	-
12	11	11:50 pm	NNE	27.2	36.9	12.8	8	6.7	NNE	28.96	-0.04	43.2	44.1	42.6	-	-	-
12	11	10:50 pm	NNE	29.1	36.9	11.2	8	6.2	NNE	28.96	-0.04	43.3	43.9	42.4	-	-	-
12	11	9:50 pm	NNE	31.1	38.9	10.2	8	6.3	NNE	28.96	-0.05	43.7	43.9	42.3	-	-	-
12	11	8:50 pm	NNE	25.3	29.1	8.5	10	6.6	NNE	29.00	+0.00	44.6	43.9	43.2	-	-	-
12	11	7:50 pm	NNE	21.4	25.3	8.9	8	6.4	NNE	29.00	+0.03	44.4	43.9	42.6	-	-	-
12	11	6:50 pm	NE	19.4	23.3	9.5	8	6.4	NNE	29.01	+0.02	45.0	43.9	42.1	-	-	-
12	11	5:50 pm	NE	21.4	27.2	9.2	11	6.5	NNE	29.00	+0.03	44.8	43.9	42.8	-	-	-
12	11	4:50 pm	NNE	27.2	33.0	8.5	11	6.0	NNE	28.97	-0.01	43.9	44.1	43.0	-	-	-
12	11	3:50 pm	NNE	19.4	25.3	7.5	9	5.8	NNE	28.99	-0.02	44.4	43.9	42.1	-	-	-

Detailed Wave Summary
for 46077 as of
(3:00 pm AKST on 12/12/2019)
0000 GMT on 12/13/2019:
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):	7.2 ft
	Swell Height (SwH):	2.3 ft
	Swell Period (SwP):	10.8 sec
	Swell Direction (SwD):	NNE
	Wind Wave Height (WWH):	6.9 ft
	Wind Wave Period (WWP):	5.9 sec
	Wind Wave Direction (WWD):	NNE
	Wave Steepness (STEEPNESS):	VERY_STEEP
	Average Wave Period (APD):	5.2 sec

Previous observations

MM	DD	TIME (AKST)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec
12	12	2:00 pm	7.2	2.0	11.4	NNE	6.9	6.7	NNE	VERY_STEEP	5.1
12	12	1:00 pm	7.5	1.6	11.4	NNE	7.2	6.2	NNE	VERY_STEEP	5.1
12	12	12:00 pm	7.5	2.0	11.4	N	7.2	5.9	NNE	VERY_STEEP	5.2
12	12	11:00 am	6.9	1.6	9.1	NNE	6.9	5.9	NNE	VERY_STEEP	4.9
12	12	10:00 am	6.2	2.0	12.1	NNE	5.9	5.6	NNE	VERY_STEEP	4.7
12	12	9:00 am	5.6	2.3	10.0	NE	5.2	5.3	NNE	VERY_STEEP	4.7
12	12	8:00 am	5.2	2.3	10.8	NE	4.9	5.3	NNE	VERY_STEEP	4.7
12	12	7:00 am	5.9	2.6	11.4	NNE	5.2	5.3	NNE	VERY_STEEP	4.9
12	12	6:00 am	6.6	2.3	11.4	NNE	5.9	5.9	NNE	VERY_STEEP	5.1
12	12	5:00 am	7.5	2.6	10.0	NE	6.9	6.2	NNE	VERY_STEEP	5.3
12	12	4:00 am	8.5	3.3	10.8	NNE	7.5	7.7	NNE	STEEP	5.7
12	12	3:00 am	10.5	0.0	-	-	10.5	7.1	NNE	VERY_STEEP	6.2
12	12	2:00 am	11.8	0.0	-	-	11.8	7.1	NNE	VERY_STEEP	6.5
12	12	1:00 am	12.5	0.0	-	-	12.5	8.3	NNE	STEEP	6.9
12	12	12:00 am	12.8	2.3	16.0	NE	12.5	8.3	NNE	STEEP	6.7
12	11	11:00 pm	11.2	2.6	10.8	NNE	10.8	8.3	NNE	STEEP	6.2
12	11	10:00 pm	10.2	5.6	9.1	NNE	8.5	7.7	NNE	STEEP	6.3
12	11	9:00 pm	8.5	7.2	10.0	NNE	4.9	5.9	NNE	AVERAGE	6.6
12	11	8:00 pm	8.9	5.2	11.4	NNE	7.2	8.3	NNE	STEEP	6.4
12	11	7:00 pm	9.5	4.3	10.0	NNE	8.5	8.3	NNE	STEEP	6.4
12	11	6:00 pm	9.2	5.6	10.8	NNE	7.5	8.3	NNE	AVERAGE	6.5
12	11	5:00 pm	8.5	6.2	10.8	NNE	5.9	7.1	NNE	SWELL	6.0
12	11	4:00 pm	7.5	5.2	9.1	NNE	5.2	6.7	NNE	AVERAGE	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.