Station 46028 (LLNR 275) - CAPE SAN MARTIN - 55NM West NW of Morro Bay, CA

Owned and maintained by National Data Buoy Center
3-meter discus buoy
AMPS payload
35.703 N 121.857 W (35°42'11" N 121°51'25" 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: 0.6 m below water line
Water depth: 1048 m
Watch circle radius: 1536 yards

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Conditions at 46028 as of
(12:50 pm PDT)
1950 GMT on 03/20/2019:
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.
	Wave Height (WVHT):	7.9 ft
	Dominant Wave Period (DPD):	16 sec
	Average Period (APD):	9.2 sec
	Mean Wave Direction (MWD):	WNW ( 283 deg true )
	Atmospheric Pressure (PRES):	30.07 in
	Pressure Tendency (PTDY):	+0.03 in ( Rising )
	Air Temperature (ATMP):	55.9 °F
	Water Temperature (WTMP):	56.1 °F

Previous observations

MM	DD	TIME (PDT)	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	20	11:50 am	-	-	-	8.2	13	9.3	WNW	30.06	+0.04	55.8	55.8	-	-	-	-
03	20	10:50 am	-	-	-	7.9	15	9.5	WNW	30.06	+0.06	55.6	55.6	-	-	-	-
03	20	9:50 am	-	-	-	8.9	16	10.2	WNW	30.04	+0.06	55.4	55.6	-	-	-	-
03	20	8:50 am	-	-	-	8.5	16	9.7	W	30.02	+0.07	55.6	55.6	-	-	-	-
03	20	7:50 am	-	-	-	8.2	15	9.0	W	30.00	+0.06	55.4	55.6	-	-	-	-
03	20	6:50 am	-	-	-	8.2	15	8.4	WNW	29.97	+0.04	55.2	55.6	-	-	-	-
03	20	5:50 am	-	-	-	8.5	16	8.9	W	29.95	+0.04	54.5	55.6	-	-	-	-
03	20	4:50 am	-	-	-	9.2	16	8.5	W	29.94	+0.05	55.4	55.6	-	-	-	-
03	20	3:50 am	-	-	-	11.2	16	8.7	WNW	29.93	+0.09	55.0	55.6	-	-	-	-
03	20	2:50 am	-	-	-	9.8	14	7.6	WNW	29.92	+0.07	54.7	55.6	-	-	-	-
03	20	1:50 am	-	-	-	10.5	15	7.9	W	29.89	+0.03	54.5	55.6	-	-	-	-
03	20	12:50 am	-	-	-	9.2	16	7.0	WSW	29.84	-0.04	55.2	55.6	-	-	-	-
03	19	11:50 pm	-	-	-	10.2	15	6.8	WSW	29.84	+0.00	54.3	55.6	-	-	-	-
03	19	10:50 pm	-	-	-	7.9	15	7.1	WSW	29.86	+0.00	55.2	55.6	-	-	-	-
03	19	9:50 pm	-	-	-	8.5	14	7.1	WSW	29.88	+0.00	55.6	55.9	-	-	-	-
03	19	8:50 pm	-	-	-	7.2	13	7.9	WSW	29.85	-0.01	55.4	56.1	-	-	-	-
03	19	7:50 pm	-	-	-	7.2	16	8.1	W	29.87	+0.02	55.9	56.1	-	-	-	-
03	19	6:50 pm	-	-	-	5.6	14	7.2	WSW	29.87	+0.03	56.1	56.1	-	-	-	-
03	19	5:50 pm	-	-	-	5.9	14	8.0	WSW	29.86	+0.02	57.7	56.1	-	-	-	-
03	19	4:50 pm	-	-	-	5.6	14	7.5	SSW	29.85	+0.00	57.0	56.1	-	-	-	-
03	19	3:50 pm	-	-	-	5.2	14	6.7	SW	29.84	-0.03	57.4	56.1	-	-	-	-
03	19	2:50 pm	-	-	-	5.2	15	6.9	SSE	29.84	-0.04	57.0	55.9	-	-	-	-
03	19	1:50 pm	-	-	-	4.3	15	6.0	W	29.85	-0.05	56.7	55.9	-	-	-	-
03	19	12:50 pm	-	-	-	3.9	15	5.9	S	29.87	-0.04	56.3	55.9	-	-	-	-

Detailed Wave Summary
for 46028 as of (1:00 pm PDT)
2000 GMT on 03/20/2019:
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):	7.9 ft
	Average Wave Period (APD):	9.2 sec

Previous observations

MM	DD	TIME (PDT)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec
03	20	12:00 pm	8.2	-	-	-	-	-	-	N/A	9.3
03	20	11:00 am	7.9	-	-	-	-	-	-	N/A	9.5
03	20	10:00 am	8.9	-	-	-	-	-	-	N/A	10.2
03	20	9:00 am	8.5	-	-	-	-	-	-	N/A	9.7
03	20	8:00 am	8.2	-	-	-	-	-	-	N/A	9.0
03	20	7:00 am	8.2	-	-	-	-	-	-	N/A	8.4
03	20	6:00 am	8.5	-	-	-	-	-	-	N/A	8.9
03	20	5:00 am	9.2	-	-	-	-	-	-	N/A	8.5
03	20	4:00 am	11.2	-	-	-	-	-	-	N/A	8.7
03	20	3:00 am	9.8	-	-	-	-	-	-	N/A	7.6
03	20	2:00 am	10.5	-	-	-	-	-	-	N/A	7.9
03	20	1:00 am	9.2	-	-	-	-	-	-	N/A	7.0
03	20	12:00 am	10.2	-	-	-	-	-	-	N/A	6.8
03	19	11:00 pm	7.9	-	-	-	-	-	-	N/A	7.1
03	19	10:00 pm	8.5	-	-	-	-	-	-	N/A	7.1
03	19	9:00 pm	7.2	-	-	-	-	-	-	N/A	7.9
03	19	8:00 pm	7.2	-	-	-	-	-	-	N/A	8.1
03	19	7:00 pm	5.6	-	-	-	-	-	-	N/A	7.2
03	19	6:00 pm	5.9	-	-	-	-	-	-	N/A	8.0
03	19	5:00 pm	5.6	-	-	-	-	-	-	N/A	7.5
03	19	4:00 pm	5.2	-	-	-	-	-	-	N/A	6.7
03	19	3:00 pm	5.2	-	-	-	-	-	-	N/A	6.9
03	19	2:00 pm	4.3	-	-	-	-	-	-	N/A	6.0
03	19	1:00 pm	3.9	-	-	-	-	-	-	N/A	5.9

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.