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Station 46026 (LLNR 357) - SAN FRANCISCO - 18NM West of San Francisco, CA

Owned and maintained by National Data Buoy Center
3-meter discus buoy
SCOOP payload
37.754 N 122.839 W (37°45'14" N 122°50'20" W)

Site elevation: sea level
Air temp height: 4 m above site elevation
Anemometer height: 4 m above site elevation
Barometer elevation: 2.5 m above mean sea level
Sea temp depth: 1 m below water line
Water depth: 54.9 m
Watch circle radius: 95 yards

Latest NWS Marine Forecast

Important Notice to Mariners

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships

Regional HF Radar Surface Current Observations

Large icon indicates selected station.

Stations with recent data

Stations with no data in last 8 hours
(24 hours for tsunami stations)

Disclaimer

Buoy Camera Photos taken at 09/21/2018 0010 UTC. Click photo to enlarge.

Photos from Buoy Camera at station 46026

Photos are generally taken hourly during daylight operations.

Conditions at 46026 as of
(5:40 pm PDT on 09/20/2018)
0040 GMT on 09/21/2018:
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):	NW ( 310 deg true )
	Wind Speed (WSPD):	13.6 kts
	Wind Gust (GST):	17.5 kts
	Atmospheric Pressure (PRES):	29.86 in
	Air Temperature (ATMP):	55.2 °F
	Water Temperature (WTMP):	55.2 °F
	Wind Speed at 10 meters (WSPD10M):	15.5 kts
	Wind Speed at 20 meters (WSPD20M):	15.5 kts
	Combined plot of Wind Speed, Gust, and Air Pressure

Supplemental Measurements
Highest 1-minute Wind Speed
Time (PDT)		WSPD		WDIR
5:36 pm		15.5 kts		-

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
09	20	5:30 pm	NW	13.6	17.5	-	-	-	-	29.86	-	55.2	55.2	-	-	-	-
09	20	5:20 pm	NW	11.7	15.5	-	-	-	-	29.86	-	55.0	55.2	-	-	-	-
09	20	5:10 pm	NW	11.7	15.5	-	-	-	-	29.86	-	-	55.2	-	-	-	-
09	20	5:00 pm	NW	9.7	13.6	-	-	-	-	29.87	-0.02	55.0	55.2	-	-	-	-
09	20	4:50 pm	NW	11.7	13.6	4.9	8	6.4	WNW	29.87	-	55.0	55.2	-	-	-	-
09	20	4:40 pm	NW	11.7	13.6	-	-	-	-	29.87	-	55.0	55.2	-	-	-	-
09	20	4:30 pm	NW	11.7	13.6	-	-	-	-	29.87	-	54.9	55.2	-	-	-	-
09	20	4:20 pm	WNW	11.7	13.6	-	-	-	-	29.87	-	55.0	55.2	-	-	-	-
09	20	4:10 pm	WNW	11.7	15.5	-	-	-	-	29.87	-	55.0	55.2	-	-	-	-
09	20	4:00 pm	NW	11.7	13.6	-	-	-	-	29.87	-0.03	55.0	55.2	-	-	-	-
09	20	3:50 pm	NW	9.7	13.6	4.9	9	6.1	WNW	29.87	-	55.0	55.2	-	-	-	-
09	20	3:40 pm	NW	11.7	13.6	4.9	-	6.1	WNW	29.87	-	55.0	55.0	-	-	-	-
09	20	3:30 pm	NW	11.7	13.6	-	-	-	-	29.88	-	54.9	-	-	-	-	-
09	20	3:20 pm	NW	11.7	13.6	-	-	-	-	29.88	-	54.9	55.0	-	-	-	-
09	20	3:10 pm	NW	11.7	15.5	-	-	-	-	29.88	-	54.9	55.0	-	-	-	-
09	20	3:00 pm	NW	11.7	15.5	-	-	-	-	29.88	-0.03	54.9	55.0	-	-	-	-
09	20	2:50 pm	NW	13.6	15.5	4.3	11	5.6	WNW	29.88	-	54.9	55.0	-	-	-	-
09	20	2:40 pm	NW	11.7	15.5	-	-	-	-	29.88	-	54.9	55.0	-	-	-	-
09	20	2:30 pm	NW	13.6	15.5	-	-	-	-	29.88	-	54.9	55.0	-	-	-	-
09	20	2:20 pm	NW	13.6	17.5	-	-	-	-	29.89	-	54.9	55.0	-	-	-	-
09	20	2:10 pm	NW	13.6	15.5	-	-	-	-	29.89	-	54.7	55.0	-	-	-	-
09	20	2:00 pm	NW	11.7	15.5	-	-	-	-	29.89	-0.03	54.7	54.9	-	-	-	-
09	20	1:50 pm	NW	13.6	15.5	4.3	8	5.6	WNW	29.89	-	54.7	54.9	-	-	-	-
09	20	1:40 pm	NW	11.7	15.5	-	-	-	-	29.89	-	54.7	54.9	-	-	-	-
09	20	1:30 pm	NW	11.7	13.6	-	-	-	-	29.90	-	54.7	54.9	-	-	-	-
09	20	1:20 pm	NW	11.7	13.6	-	-	-	-	29.90	-	54.7	54.9	-	-	-	-
09	20	1:10 pm	NW	11.7	15.5	-	-	-	-	29.90	-	54.7	54.9	-	-	-	-
09	20	1:00 pm	NW	13.6	15.5	-	-	-	-	29.90	-0.01	54.5	54.9	-	-	-	-
09	20	12:50 pm	NW	13.6	15.5	4.6	11	5.7	WNW	29.90	-	54.5	54.7	-	-	-	-
09	20	12:40 pm	NW	11.7	15.5	4.6	-	5.7	WNW	29.91	-	54.5	54.7	-	-	-	-
09	20	12:30 pm	NW	11.7	15.5	-	-	-	-	29.91	-	54.5	54.7	-	-	-	-
09	20	12:20 pm	NW	11.7	13.6	-	-	-	-	29.91	-	54.3	54.7	-	-	-	-
09	20	12:10 pm	NW	11.7	15.5	-	-	-	-	29.91	-	54.5	54.7	-	-	-	-
09	20	12:00 pm	NW	11.7	13.6	-	-	-	-	29.91	+0.02	54.5	54.7	-	-	-	-
09	20	11:50 am	NW	11.7	15.5	4.6	7	5.8	WNW	29.91	-	54.5	54.7	-	-	-	-
09	20	11:40 am	NW	11.7	13.6	-	-	-	-	29.91	-	54.3	54.7	-	-	-	-
09	20	11:30 am	NW	9.7	13.6	-	-	-	-	29.91	-	54.3	54.5	-	-	-	-
09	20	11:20 am	NW	11.7	13.6	-	-	-	-	29.91	-	54.3	54.5	-	-	-	-
09	20	11:10 am	NW	9.7	13.6	-	-	-	-	29.91	-	54.3	54.5	-	-	-	-
09	20	11:00 am	NW	9.7	11.7	-	-	-	-	29.91	+0.03	54.5	54.5	-	-	-	-
09	20	10:50 am	NW	9.7	11.7	4.6	11	5.8	WNW	29.92	-	54.3	54.5	-	-	-	-
09	20	10:40 am	NW	9.7	11.7	-	-	-	-	29.91	-	54.3	54.5	-	-	-	-
09	20	10:30 am	NW	9.7	11.7	-	-	-	-	29.91	-	54.3	54.3	-	-	-	-
09	20	10:20 am	NW	9.7	13.6	-	-	-	-	29.91	-	54.5	54.3	-	-	-	-
09	20	10:10 am	NW	9.7	11.7	-	-	-	-	29.91	-	54.5	54.3	-	-	-	-
09	20	10:00 am	NW	7.8	11.7	-	-	-	-	29.91	+0.04	54.5	54.3	-	-	-	-
09	20	9:50 am	NW	9.7	11.7	4.9	11	5.9	WNW	29.91	-	54.3	54.3	-	-	-	-
09	20	9:40 am	NW	7.8	11.7	-	-	-	-	29.90	-	54.3	54.3	-	-	-	-
09	20	9:30 am	NW	7.8	9.7	-	-	-	-	29.90	-	54.5	54.3	-	-	-	-
09	20	9:20 am	NNW	7.8	9.7	-	-	-	-	29.90	-	54.5	54.3	-	-	-	-
09	20	9:10 am	NW	9.7	11.7	-	-	-	-	29.89	-	54.1	54.3	-	-	-	-
09	20	9:00 am	NW	9.7	11.7	-	-	-	-	29.90	+0.04	-	54.3	-	-	-	-
09	20	8:50 am	NW	9.7	11.7	5.2	-	6.0	WNW	29.89	-	54.3	54.3	-	-	-	-
09	20	8:40 am	-	-	-	5.2	12	6.0	WNW	-	-	-	-	-	-	-	-
09	20	8:30 am	NW	7.8	9.7	-	-	-	-	29.89	-	54.5	54.3	-	-	-	-
09	20	8:20 am	NW	7.8	9.7	-	-	-	-	29.89	-	54.5	54.3	-	-	-	-
09	20	8:10 am	NW	7.8	9.7	-	-	-	-	29.89	-	54.5	54.3	-	-	-	-
09	20	8:00 am	NW	7.8	9.7	-	-	-	-	29.89	+0.05	54.5	54.3	-	-	-	-
09	20	7:50 am	NNW	7.8	11.7	5.2	8	5.8	NW	29.88	-	54.5	54.3	-	-	-	-
09	20	7:40 am	NNW	7.8	11.7	-	-	-	-	29.88	-	54.5	54.3	-	-	-	-
09	20	7:30 am	NNW	7.8	11.7	-	-	-	-	29.88	-	54.5	54.3	-	-	-	-
09	20	7:20 am	NNW	7.8	11.7	-	-	-	-	29.88	-	54.3	54.3	-	-	-	-
09	20	7:10 am	NNW	9.7	13.6	-	-	-	-	29.87	-	54.5	54.3	-	-	-	-
09	20	7:00 am	NNW	11.7	13.6	-	-	-	-	29.87	+0.02	-	54.3	-	-	-	-
09	20	6:50 am	NNW	11.7	13.6	-	-	-	-	29.87	-	54.5	-	-	-	-	-
09	20	6:40 am	NW	11.7	13.6	-	-	-	-	29.87	-	54.5	54.3	-	-	-	-
09	20	6:30 am	NW	11.7	13.6	-	-	-	-	29.86	-	54.5	54.3	-	-	-	-
09	20	6:20 am	NW	11.7	15.5	-	-	-	-	29.86	-	54.7	54.3	-	-	-	-
09	20	6:10 am	NW	11.7	15.5	-	-	-	-	29.86	-	54.7	54.3	-	-	-	-
09	20	6:00 am	NW	13.6	15.5	-	-	-	-	29.86	+0.02	54.7	54.3	-	-	-	-
09	20	5:50 am	NW	13.6	17.5	5.6	7	5.6	NW	29.85	-	54.9	54.3	-	-	-	-
09	20	5:40 am	NW	13.6	17.5	-	-	-	-	29.85	-	54.9	54.3	-	-	-	-
09	20	5:30 am	NW	13.6	17.5	-	-	-	-	29.85	-	54.9	54.1	-	-	-	-
09	20	5:20 am	NNW	11.7	15.5	-	-	-	-	29.84	-	54.7	54.1	-	-	-	-
09	20	5:10 am	NW	13.6	15.5	-	-	-	-	29.84	-	54.9	54.1	-	-	-	-
09	20	5:00 am	NW	13.6	15.5	-	-	-	-	29.84	+0.00	54.7	-	-	-	-	-
09	20	4:50 am	NW	13.6	17.5	5.6	8	6.1	WNW	29.84	-	54.7	54.1	-	-	-	-
09	20	4:40 am	NW	13.6	15.5	-	-	-	-	29.84	-	54.7	54.1	-	-	-	-
09	20	4:30 am	NNW	11.7	13.6	-	-	-	-	29.84	-	54.7	54.1	-	-	-	-
09	20	4:20 am	NNW	9.7	11.7	-	-	-	-	29.84	-	54.9	54.0	-	-	-	-
09	20	4:10 am	NW	9.7	13.6	-	-	-	-	29.84	-	54.7	54.0	-	-	-	-
09	20	4:00 am	NNW	11.7	13.6	-	-	-	-	29.85	+0.00	54.9	54.0	-	-	-	-
09	20	3:50 am	NNW	11.7	13.6	5.9	8	6.0	WNW	29.85	-	54.7	54.0	-	-	-	-
09	20	3:40 am	NW	11.7	15.5	5.9	-	6.0	WNW	29.85	-	54.7	54.0	-	-	-	-
09	20	3:30 am	NW	13.6	15.5	-	-	-	-	29.84	-	54.9	54.0	-	-	-	-
09	20	3:20 am	NW	13.6	15.5	-	-	-	-	29.85	-	54.9	53.8	-	-	-	-
09	20	3:10 am	NW	13.6	17.5	-	-	-	-	29.84	-	54.9	53.8	-	-	-	-
09	20	3:00 am	NW	15.5	19.4	-	-	-	-	29.84	-0.01	54.9	-	-	-	-	-
09	20	2:50 am	NW	15.5	17.5	5.9	7	6.0	WNW	29.84	-	54.9	53.6	-	-	-	-
09	20	2:40 am	NW	15.5	19.4	-	-	-	-	29.84	-	54.9	53.2	-	-	-	-
09	20	2:30 am	NW	15.5	17.5	-	-	-	-	29.84	-	55.0	-	-	-	-	-
09	20	2:20 am	NW	15.5	19.4	-	-	-	-	29.85	-	55.0	53.2	-	-	-	-
09	20	2:10 am	NW	15.5	19.4	-	-	-	-	29.85	-	55.0	53.4	-	-	-	-
09	20	2:00 am	NW	13.6	17.5	-	-	-	-	29.85	-0.01	55.0	53.4	-	-	-	-
09	20	1:50 am	NW	13.6	17.5	5.9	8	6.3	WNW	29.85	-	55.0	53.4	-	-	-	-
09	20	1:40 am	NW	13.6	17.5	-	-	-	-	29.84	-	55.0	53.4	-	-	-	-
09	20	1:30 am	NW	15.5	17.5	-	-	-	-	29.84	-	55.0	53.4	-	-	-	-
09	20	1:20 am	NW	15.5	17.5	-	-	-	-	29.84	-	55.0	53.4	-	-	-	-
09	20	1:10 am	NW	13.6	17.5	-	-	-	-	29.84	-	55.0	53.4	-	-	-	-
09	20	1:00 am	NW	11.7	13.6	-	-	-	-	29.85	-0.01	55.0	53.4	-	-	-	-
09	20	12:50 am	NW	11.7	15.5	6.2	-	6.2	WNW	29.85	-	-	53.4	-	-	-	-
09	20	12:40 am	NNW	11.7	15.5	6.2	-	6.2	WNW	29.85	-	55.0	53.4	-	-	-	-
09	20	12:30 am	NW	11.7	15.5	-	-	-	-	29.85	-	54.9	53.4	-	-	-	-
09	20	12:20 am	NW	11.7	13.6	-	-	-	-	29.85	-	55.0	53.4	-	-	-	-
09	20	12:10 am	NW	11.7	13.6	-	-	-	-	29.85	-	55.0	53.4	-	-	-	-
09	20	12:00 am	NNW	11.7	15.5	-	-	-	-	29.85	+0.00	55.0	53.4	-	-	-	-
09	19	11:50 pm	NNW	13.6	17.5	6.9	8	6.3	WNW	29.85	-	55.0	53.4	-	-	-	-
09	19	11:40 pm	NNW	13.6	15.5	-	-	-	-	29.85	-	55.2	53.4	-	-	-	-
09	19	11:30 pm	NNW	11.7	15.5	-	-	-	-	29.85	-	55.2	53.4	-	-	-	-
09	19	11:20 pm	NNW	11.7	15.5	-	-	-	-	29.86	-	55.4	53.4	-	-	-	-
09	19	11:10 pm	NNW	11.7	15.5	-	-	-	-	29.86	-	55.2	53.4	-	-	-	-
09	19	11:00 pm	NNW	11.7	15.5	-	-	-	-	29.85	+0.00	55.4	53.4	-	-	-	-
09	19	10:50 pm	NW	11.7	15.5	6.9	7	6.1	WNW	29.85	-	55.6	53.4	-	-	-	-
09	19	10:40 pm	NW	11.7	15.5	6.9	-	6.1	WNW	29.86	-	55.4	53.4	-	-	-	-
09	19	10:30 pm	NW	9.7	13.6	-	-	-	-	29.86	-	55.4	53.4	-	-	-	-
09	19	10:20 pm	NW	11.7	15.5	-	-	-	-	29.86	-	55.4	53.6	-	-	-	-
09	19	10:10 pm	NW	13.6	17.5	-	-	-	-	29.86	-	55.4	53.6	-	-	-	-
09	19	10:00 pm	NW	13.6	17.5	-	-	-	-	29.86	+0.00	55.4	53.6	-	-	-	-
09	19	9:50 pm	NW	15.5	17.5	6.9	8	6.2	WNW	29.86	-	55.4	53.6	-	-	-	-
09	19	9:40 pm	NW	15.5	17.5	-	-	-	-	29.85	-	55.6	53.6	-	-	-	-
09	19	9:30 pm	NW	15.5	17.5	-	-	-	-	29.86	-	55.8	53.6	-	-	-	-
09	19	9:20 pm	NW	15.5	19.4	-	-	-	-	29.86	-	55.8	53.4	-	-	-	-
09	19	9:10 pm	NW	15.5	19.4	-	-	-	-	29.86	-	55.8	53.6	-	-	-	-
09	19	9:00 pm	NW	17.5	21.4	-	-	-	-	29.85	+0.00	55.8	-	-	-	-	-
09	19	8:50 pm	NW	15.5	21.4	6.9	8	6.2	WNW	29.85	-	55.8	53.6	-	-	-	-
09	19	8:40 pm	NW	15.5	19.4	6.9	-	6.2	WNW	29.85	-	55.9	53.6	-	-	-	-
09	19	8:30 pm	NW	13.6	17.5	-	-	-	-	29.85	-	55.9	53.6	-	-	-	-
09	19	8:20 pm	NW	13.6	15.5	-	-	-	-	29.86	-	55.8	53.6	-	-	-	-
09	19	8:10 pm	NW	13.6	17.5	-	-	-	-	29.86	-	55.8	53.4	-	-	-	-
09	19	8:00 pm	NW	13.6	17.5	-	-	-	-	29.85	-0.02	55.6	53.6	-	-	-	-
09	19	7:50 pm	NW	13.6	17.5	6.2	8	6.1	WNW	29.85	-	55.6	53.6	-	-	-	-
09	19	7:40 pm	NW	13.6	17.5	-	-	-	-	29.85	-	55.6	53.6	-	-	-	-
09	19	7:30 pm	NW	15.5	19.4	-	-	-	-	29.85	-	55.6	53.6	-	-	-	-
09	19	7:20 pm	NW	15.5	19.4	-	-	-	-	29.85	-	55.4	53.6	-	-	-	-
09	19	7:10 pm	NW	15.5	19.4	-	-	-	-	29.85	-	55.6	53.6	-	-	-	-
09	19	7:00 pm	NW	17.5	21.4	-	-	-	-	29.85	-0.04	55.6	53.6	-	-	-	-
09	19	6:50 pm	NW	17.5	21.4	5.9	8	5.8	WNW	29.85	-	55.6	53.6	-	-	-	-
09	19	6:40 pm	NW	15.5	21.4	-	-	-	-	29.85	-	55.4	53.6	-	-	-	-
09	19	6:30 pm	NW	15.5	19.4	-	-	-	-	29.86	-	55.2	53.6	-	-	-	-
09	19	6:20 pm	NW	15.5	21.4	-	-	-	-	29.86	-	55.2	53.6	-	-	-	-
09	19	6:10 pm	NW	15.5	19.4	-	-	-	-	29.86	-	55.2	53.8	-	-	-	-
09	19	6:00 pm	NW	17.5	21.4	-	-	-	-	29.86	-0.05	55.2	53.8	-	-	-	-
09	19	5:50 pm	NW	15.5	19.4	5.6	7	5.7	WNW	29.86	-	55.2	53.8	-	-	-	-

Detailed Wave Summary
for 46026 as of (4:40 pm PDT)
2340 GMT on 09/20/2018:
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):	4.9 ft
	Swell Height (SwH):	4.6 ft
	Swell Period (SwP):	8.3 sec
	Swell Direction (SwD):	WNW
	Wind Wave Height (WWH):	2.0 ft
	Wind Wave Period (WWP):	4.3 sec
	Wind Wave Direction (WWD):	WNW
	Wave Steepness (STEEPNESS):	AVERAGE
	Average Wave Period (APD):	6.4 sec

Previous observations

MM	DD	TIME (PDT)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec
09	20	3:40 pm	4.9	4.3	9.1	WNW	2.0	5.0	WNW	SWELL	6.1
09	20	2:40 pm	4.3	3.6	10.8	WNW	2.3	4.8	WNW	SWELL	5.6
09	20	1:40 pm	4.3	3.6	8.3	WNW	2.6	5.0	NW	AVERAGE	5.6
09	20	12:40 pm	4.6	3.6	11.4	WNW	2.6	5.0	WNW	SWELL	5.7
09	20	11:40 am	4.6	3.9	7.1	WNW	2.3	5.0	WNW	STEEP	5.8
09	20	10:40 am	4.6	4.3	11.4	WNW	1.6	4.3	WNW	SWELL	5.8
09	20	9:40 am	4.9	4.6	11.4	WNW	1.3	3.7	NW	SWELL	5.9
09	20	8:40 am	5.2	4.9	12.1	WNW	1.6	4.0	WNW	SWELL	6.0
09	20	7:40 am	5.2	4.9	7.7	NW	1.6	4.0	WNW	AVERAGE	5.8
09	20	5:40 am	5.6	3.6	7.1	NW	3.9	5.0	WNW	STEEP	5.6
09	20	4:40 am	5.6	4.6	8.3	WNW	3.3	5.6	NW	AVERAGE	6.1
09	20	3:40 am	5.9	4.9	8.3	WNW	3.0	5.0	WNW	AVERAGE	6.0
09	20	2:40 am	5.9	4.6	7.1	WNW	3.9	5.9	WNW	STEEP	6.0
09	20	1:40 am	5.9	4.6	8.3	WNW	3.6	4.8	WNW	AVERAGE	6.3
09	20	12:40 am	6.2	5.6	8.3	WNW	3.0	4.8	WNW	AVERAGE	6.2
09	19	11:40 pm	6.9	5.9	8.3	WNW	3.6	5.0	WNW	AVERAGE	6.3
09	19	10:40 pm	6.9	6.2	7.1	WNW	3.0	5.0	WNW	STEEP	6.1
09	19	9:40 pm	6.9	4.9	8.3	WNW	4.6	5.9	WNW	AVERAGE	6.2
09	19	8:40 pm	6.9	4.6	8.3	WNW	4.9	7.1	WNW	AVERAGE	6.2
09	19	7:40 pm	6.2	4.9	8.3	WNW	3.6	4.8	WNW	AVERAGE	6.1
09	19	6:40 pm	5.9	4.3	8.3	WNW	3.9	6.7	WNW	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.