Station 46061 (LLNR 1131) - Seal Rocks - Between Montague and Hinchinbrook Islands, AK

Prince William Sound Approach (VTS Area)

Owned and maintained by National Data Buoy Center
3-meter discus buoy w/ seal cage
ARES payload
60.238 N 146.833 W (60°14'17" N 146°49'58" 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: 222 m
Watch circle radius: 253 yards

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Conditions at 46061 as of
(4:50 am AKDT)
1250 GMT on 03/27/2023:
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):	1.9 kts
	Wind Gust (GST):	3.9 kts
	Wave Height (WVHT):	2.0 ft
	Dominant Wave Period (DPD):	11 sec
	Average Period (APD):	6.6 sec
	Mean Wave Direction (MWD):	S ( 191 deg true )
	Atmospheric Pressure (PRES):	30.60 in
	Pressure Tendency (PTDY):	+0.00 in ( Steady )
	Air Temperature (ATMP):	35.4 °F
	Water Temperature (WTMP):	38.8 °F
	Wind Speed at 10 meters (WSPD10M):	1.9 kts
	Wind Speed at 20 meters (WSPD20M):	1.9 kts
	Combined plot of Wind Speed, Gust, and Air Pressure

Continuous Winds
TIME (AKDT)	WDIR	WSPD
4:50 am	NNE ( 21 deg )	1.6 kts
4:40 am	NE ( 37 deg )	1.9 kts
4:30 am	NNE ( 15 deg )	1.9 kts
4:20 am	N ( 11 deg )	2.5 kts
4:10 am	NE ( 42 deg )	1.9 kts
4:00 am	NNE ( 30 deg )	2.9 kts

Peak gust during the measurement hour
TIME (AKDT)	GDR	GST
3:50 am	NNE ( 30 deg )	3.9 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

03	27	3:50 am	NNE	3.9	3.9	1.6	11	6.4	WSW	30.60	-0.01	35.2	38.8	-	-	-	-
03	27	2:50 am	NNE	3.9	5.8	1.6	11	6.7	SW	30.60	-0.01	35.8	39.0	-	-	-	-
03	27	1:50 am	NNE	5.8	7.8	1.6	11	6.4	SSW	30.60	+0.00	35.8	39.0	-	-	-	-
03	27	12:50 am	N	3.9	5.8	2.0	12	7.1	SSE	30.61	+0.02	36.0	39.0	-	-	-	-
03	26	11:50 pm	N	3.9	5.8	1.6	11	6.6	SSW	30.61	+0.02	36.5	38.8	-	-	-	-
03	26	10:50 pm	N	3.9	3.9	2.0	12	6.8	SW	30.60	+0.02	36.7	39.0	-	-	-	-
03	26	9:50 pm	NNE	3.9	3.9	1.6	12	6.2	S	30.59	+0.01	36.5	39.2	-	-	-	-
03	26	8:50 pm	N	3.9	3.9	1.6	12	5.4	S	30.59	+0.01	36.5	39.0	-	-	-	-
03	26	7:50 pm	N	1.9	3.9	2.0	12	5.0	SSW	30.58	+0.00	36.7	39.2	-	-	-	-
03	26	6:50 pm	NNW	1.9	3.9	1.6	12	4.7	S	30.58	+0.00	37.4	39.4	-	-	-	-
03	26	5:50 pm	N	3.9	5.8	1.6	12	5.0	SSW	30.57	+0.00	37.0	39.6	-	-	-	-
03	26	4:50 pm	N	5.8	7.8	1.6	12	4.9	N	30.58	+0.00	36.9	39.6	-	-	-	-
03	26	3:50 pm	NNW	9.7	11.7	1.6	12	4.7	S	30.58	+0.00	36.9	39.4	-	-	-	-
03	26	2:50 pm	NNW	9.7	11.7	1.3	15	4.7	WSW	30.58	+0.01	36.9	39.6	-	-	-	-
03	26	1:50 pm	WNW	5.8	9.7	1.3	15	4.6	ESE	30.58	+0.03	37.0	39.2	-	-	-	-
03	26	12:50 pm	WNW	5.8	7.8	1.6	15	4.6	NNW	30.58	+0.03	36.5	39.0	-	-	-	-
03	26	11:50 am	NW	7.8	11.7	1.6	4	4.4	N	30.56	+0.03	35.8	39.0	-	-	-	-
03	26	10:50 am	NNW	11.7	11.7	2.0	4	4.5	NNE	30.55	+0.04	35.2	39.0	-	-	-	-
03	26	9:50 am	NNW	9.7	11.7	2.0	4	4.0	N	30.54	+0.04	34.9	39.0	-	-	-	-
03	26	8:50 am	NW	11.7	13.6	2.0	4	3.9	N	30.53	+0.05	34.5	38.8	-	-	-	-
03	26	7:50 am	NW	11.7	13.6	2.0	4	3.9	N	30.52	+0.03	34.2	38.8	-	-	-	-
03	26	6:50 am	WNW	13.6	15.5	2.3	4	3.6	N	30.50	+0.02	34.2	39.0	-	-	-	-
03	26	5:50 am	N	17.5	19.4	2.0	3	3.4	N	30.48	+0.01	35.6	39.0	-	-	-	-
03	26	4:50 am	NNW	13.6	17.5	2.0	4	3.7	N	30.49	+0.03	35.4	39.0	-	-	-	-

Detailed Wave Summary
for 46061 as of (5:00 am AKDT)
1300 GMT on 03/27/2023:
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):	2.0 ft
	Swell Height (SwH):	1.6 ft
	Swell Period (SwP):	10.8 sec
	Swell Direction (SwD):	S
	Wind Wave Height (WWH):	0.7 ft
	Wind Wave Period (WWP):	3.8 sec
	Wind Wave Direction (WWD):	E
	Average Wave Period (APD):	6.6 sec

Previous observations
MM	DD	TIME (AKDT)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec

03	27	4:00 am	1.6	1.6	11.4	WSW	0.7	4.0	ESE	N/A	6.4
03	27	3:00 am	1.6	1.6	11.4	SW	0.7	4.0	NNE	N/A	6.7
03	27	2:00 am	1.6	1.6	10.8	SSW	0.7	3.3	NNE	N/A	6.4
03	27	1:00 am	2.0	2.0	12.1	SSE	0.7	3.8	NNE	N/A	7.1
03	27	12:00 am	1.6	1.6	11.4	SSW	0.7	3.7	N	N/A	6.6
03	26	11:00 pm	2.0	2.0	12.1	SW	0.7	3.8	N	N/A	6.8
03	26	10:00 pm	1.6	1.6	12.1	S	0.7	3.6	N	N/A	6.2
03	26	9:00 pm	1.6	1.6	12.1	S	0.7	3.3	NNE	N/A	5.4
03	26	8:00 pm	2.0	1.6	12.1	SSW	1.0	3.6	NE	N/A	5.0
03	26	7:00 pm	1.6	1.3	12.1	S	1.0	3.8	NE	N/A	4.7
03	26	6:00 pm	1.6	1.3	12.1	SSW	1.0	3.7	NNE	N/A	5.0
03	26	5:00 pm	1.6	1.3	12.1	N	0.7	4.0	ENE	N/A	4.9
03	26	4:00 pm	1.6	1.3	12.1	S	0.7	4.0	NE	N/A	4.7
03	26	3:00 pm	1.3	1.0	14.8	WSW	0.7	3.6	NNE	N/A	4.7
03	26	2:00 pm	1.3	1.3	14.8	ESE	0.7	3.6	NNE	N/A	4.6
03	26	1:00 pm	1.6	1.3	14.8	NNW	1.0	3.8	NNE	N/A	4.6
03	26	12:00 pm	1.6	1.3	4.2	N	1.0	3.8	N	N/A	4.4
03	26	11:00 am	2.0	1.3	13.8	S	1.6	4.3	NNE	N/A	4.5
03	26	10:00 am	2.0	1.3	13.8	NW	1.6	4.3	N	N/A	4.0
03	26	9:00 am	2.0	1.0	7.7	SSW	1.6	4.3	N	N/A	3.9
03	26	8:00 am	2.0	1.0	12.9	NW	1.6	3.8	N	N/A	3.9
03	26	7:00 am	2.3	1.0	12.9	SE	2.0	4.0	N	N/A	3.6
03	26	6:00 am	2.0	1.0	7.1	SSW	1.6	3.3	N	N/A	3.4
03	26	5:00 am	2.0	1.0	7.1	S	1.6	3.6	N	N/A	3.7

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.