Station 46076 (LLNR 25982) - CAPE CLEARE - 17 NM South of Montague Is, AK

Owned and maintained by National Data Buoy Center
3-meter discus buoy w/ seal cage
ARES payload
59.471 N 148.009 W (59°28'17" N 148°0'32" 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: 192 m
Watch circle radius: 307 yards

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Conditions at 46076 as of
(10:50 pm AKDT on 09/18/2020)
0650 GMT on 09/19/2020:
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):	SSW ( 210 deg true )
	Wind Speed (WSPD):	13.6 kts
	Wind Gust (GST):	15.5 kts
	Wave Height (WVHT):	5.9 ft
	Dominant Wave Period (DPD):	9 sec
	Average Period (APD):	6.1 sec
	Mean Wave Direction (MWD):	SW ( 218 deg true )
	Atmospheric Pressure (PRES):	29.78 in
	Pressure Tendency (PTDY):	+0.03 in ( Rising )
	Air Temperature (ATMP):	53.4 °F
	Water Temperature (WTMP):	55.6 °F
	Dew Point (DEWP):	48.7 °F
	Wind Chill (CHILL):	48.9 °F
	Wind Speed at 10 meters (WSPD10M):	13.6 kts
	Wind Speed at 20 meters (WSPD20M):	13.6 kts
	Combined plot of Wind Speed, Gust, and Air Pressure

Continuous Winds
TIME (AKDT)	WDIR	WSPD
10:50 pm	SSW ( 209 deg )	12.6 kts
10:40 pm	SSW ( 212 deg )	12.2 kts
10:30 pm	SW ( 217 deg )	12.2 kts
10:20 pm	SW ( 221 deg )	12.4 kts
10:10 pm	SW ( 225 deg )	12.2 kts
10:00 pm	SW ( 221 deg )	12.0 kts

Supplemental Measurements
Highest 1-minute Wind Speed
Time (AKDT)		WSPD		WDIR
10:18 pm		13.6 kts		SW ( 220 deg true )

Peak gust during the measurement hour
TIME (AKDT)	GDR	GST
10:21 pm	SW ( 220 deg )	15.5 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	18	9:50 pm	SW	11.7	15.5	6.2	7	6.2	SSW	29.77	+0.03	53.4	55.6	47.8	-	-	-
09	18	8:50 pm	SW	13.6	15.5	5.6	10	6.1	SW	29.77	+0.03	53.8	55.6	46.4	-	-	-
09	18	7:50 pm	SW	15.5	17.5	6.2	8	6.1	SSW	29.75	+0.02	53.6	55.0	47.1	-	-	-
09	18	6:50 pm	SW	17.5	21.4	5.6	8	5.4	SSW	29.74	+0.02	53.6	54.9	46.6	-	-	-
09	18	5:50 pm	SW	15.5	19.4	5.9	8	5.6	SW	29.73	+0.02	53.4	55.2	47.3	-	-	-
09	18	4:50 pm	SW	15.5	19.4	6.2	9	5.5	SW	29.73	+0.01	53.8	55.6	47.8	-	-	-
09	18	3:50 pm	SW	17.5	21.4	6.6	9	5.6	SW	29.72	+0.01	53.6	55.6	46.6	-	-	-
09	18	2:50 pm	SW	15.5	17.5	7.9	9	6.3	SW	29.72	+0.01	53.8	55.6	47.3	-	-	-
09	18	1:50 pm	SW	13.6	15.5	7.9	9	6.5	SSE	29.71	+0.01	54.0	55.8	46.6	-	-	-
09	18	12:50 pm	SW	13.6	17.5	8.5	11	6.9	SW	29.71	+0.02	54.1	55.6	45.7	-	-	-
09	18	11:50 am	SW	15.5	19.4	9.8	9	7.5	SW	29.70	+0.02	54.1	55.6	45.9	-	-	-
09	18	10:50 am	WSW	13.6	17.5	8.2	11	6.9	SW	29.70	+0.03	54.1	55.4	46.2	-	-	-
09	18	9:50 am	WSW	13.6	15.5	8.5	11	7.1	SW	29.69	+0.02	54.0	55.4	46.8	-	-	-
09	18	8:50 am	WSW	13.6	15.5	8.5	11	6.9	WSW	29.68	+0.03	54.1	55.4	47.5	-	-	-
09	18	7:50 am	SW	11.7	15.5	9.5	9	7.2	S	29.67	+0.02	54.0	55.4	48.2	-	-	-
09	18	6:50 am	WSW	9.7	13.6	9.5	9	7.1	SSE	29.67	+0.02	53.8	54.5	47.7	-	-	-
09	18	5:50 am	WSW	13.6	17.5	9.2	9	7.1	SE	29.66	+0.01	53.8	54.7	47.7	-	-	-
09	18	4:50 am	SW	9.7	11.7	9.5	9	7.2	SSE	29.65	+0.01	53.6	54.7	50.4	-	-	-
09	18	3:50 am	SSW	11.7	13.6	8.5	9	6.7	SSE	29.65	+0.02	53.8	55.0	49.6	-	-	-
09	18	2:50 am	SSW	13.6	17.5	9.5	10	6.8	SSE	29.64	+0.01	54.0	55.6	48.6	-	-	-
09	18	1:50 am	SSW	15.5	19.4	10.2	8	6.9	SSE	29.64	+0.01	54.0	55.6	48.9	-	-	-
09	18	12:50 am	SSW	19.4	23.3	8.5	9	6.5	ESE	29.63	+0.01	53.1	55.6	49.3	-	-	-
09	17	11:50 pm	S	15.5	19.4	8.5	9	6.5	ESE	29.63	+0.02	54.7	55.4	49.5	-	-	-
09	17	10:50 pm	S	15.5	17.5	8.5	8	6.3	SE	29.62	+0.01	53.4	55.4	50.4	-	-	-

Detailed Wave Summary
for 46076 as of
(11:00 pm AKDT on 09/18/2020)
0700 GMT on 09/19/2020:
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):	5.9 ft
	Swell Height (SwH):	4.9 ft
	Swell Period (SwP):	9.1 sec
	Swell Direction (SwD):	SW
	Wind Wave Height (WWH):	3.3 ft
	Wind Wave Period (WWP):	5.6 sec
	Wind Wave Direction (WWD):	WSW
	Wave Steepness (STEEPNESS):	AVERAGE
	Average Wave Period (APD):	6.1 sec

Previous observations

MM	DD	TIME (AKDT)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec
09	18	10:00 pm	6.2	5.2	6.7	SSW	3.3	5.0	WSW	STEEP	6.2
09	18	9:00 pm	5.6	4.6	10.0	SW	3.3	5.3	WSW	SWELL	6.1
09	18	8:00 pm	6.2	4.6	8.3	SSW	3.9	5.6	WSW	AVERAGE	6.1
09	18	7:00 pm	5.6	3.6	8.3	SSW	4.3	6.7	SSE	AVERAGE	5.4
09	18	6:00 pm	5.9	3.9	8.3	SW	4.6	6.7	SW	AVERAGE	5.6
09	18	5:00 pm	6.2	4.6	9.1	SW	4.3	5.9	SW	AVERAGE	5.5
09	18	4:00 pm	6.6	4.9	9.1	SW	4.3	5.0	W	AVERAGE	5.6
09	18	3:00 pm	7.9	6.2	9.1	SW	4.6	5.6	WSW	AVERAGE	6.3
09	18	2:00 pm	7.9	6.9	9.1	SSE	3.9	5.3	WSW	AVERAGE	6.5
09	18	1:00 pm	8.5	7.2	11.4	SW	4.6	5.9	SW	SWELL	6.9
09	18	12:00 pm	9.8	8.5	9.1	SW	4.9	6.2	SSW	STEEP	7.5
09	18	11:00 am	8.2	6.9	11.4	SW	4.3	5.6	S	SWELL	6.9
09	18	10:00 am	8.5	7.5	10.8	SW	3.9	4.5	S	AVERAGE	7.1
09	18	9:00 am	8.5	7.5	10.8	WSW	3.6	5.0	S	SWELL	6.9
09	18	8:00 am	9.5	8.9	9.1	S	3.3	5.3	SSE	STEEP	7.2
09	18	7:00 am	9.5	9.2	9.1	SSE	2.6	4.8	SE	AVERAGE	7.1
09	18	6:00 am	9.2	8.2	9.1	SE	4.3	6.2	SSE	AVERAGE	7.1
09	18	5:00 am	9.5	9.2	9.1	SSE	2.6	4.2	SSW	AVERAGE	7.2
09	18	4:00 am	8.5	7.9	9.1	SSE	3.0	4.3	SSW	AVERAGE	6.7
09	18	3:00 am	9.5	8.2	10.0	SSE	4.6	5.9	SW	AVERAGE	6.8
09	18	2:00 am	10.2	7.9	8.3	SSE	6.6	7.1	S	STEEP	6.9
09	18	1:00 am	8.5	6.2	9.1	ESE	5.9	5.6	SSW	AVERAGE	6.5
09	18	12:00 am	8.5	6.9	9.1	ESE	5.2	5.6	SSW	AVERAGE	6.5
09	17	11:00 pm	8.5	6.6	8.3	SE	5.6	5.9	SSE	STEEP	6.3

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.