    Station List

Data Access
    Mobile Access
    Classic Maps
         Recent
         DART®
    Obs Search
    Ship Obs Report
    BuoyCAMs
    TAO
    DODS
    OceanSITES
    HF Radar
    OSMC
    Dial-A-Buoy
    RSS Feeds

    Web Widget
    Email Access
    Web Data Guide
    Maintenance Schedule
    Station Status Report

Program Info
    TAO
    DART®
    IOOS®

Publications
    NDBC PEA
    NDBC FONSI
    NDBC DQC Handbook

FAQ
Visitor Information

The NDBC website is now available only via HTTPS. Please update your bookmarks and/or links to use https://www.ndbc.noaa.gov/.

Station 46237 - San Francisco Bar, CA (142)

Information submitted by Scripps Institution of Oceanography
Waverider Buoy
37.786 N 122.634 W (37°47'11" N 122°38'3" W)

Site elevation: sea level
Sea temp depth: 0.46 m below water line
Water depth: 15.6 m

Latest NWS Marine Forecast

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

Conditions at 46237 as of
(3:00 am PDT)
1000 GMT on 09/19/2018:
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.
	Wave Height (WVHT):	5.6 ft
	Dominant Wave Period (DPD):	9 sec
	Average Period (APD):	6.3 sec
	Mean Wave Direction (MWD):	WNW ( 284 deg true )
	Water Temperature (WTMP):	57.6 °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
09	19	2:30 am	-	-	-	4.9	8	6.0	WNW	-	-	-	57.9	-	-	-	-
09	19	2:00 am	-	-	-	5.2	7	6.1	WNW	-	-	-	57.9	-	-	-	-
09	19	1:30 am	-	-	-	5.6	6	6.0	WNW	-	-	-	57.7	-	-	-	-
09	19	1:00 am	-	-	-	5.6	7	6.0	WNW	-	-	-	57.7	-	-	-	-
09	19	12:30 am	-	-	-	5.6	8	5.6	WNW	-	-	-	58.3	-	-	-	-
09	19	12:00 am	-	-	-	5.6	8	5.5	WNW	-	-	-	56.5	-	-	-	-
09	18	11:30 pm	-	-	-	5.6	7	5.6	WNW	-	-	-	56.3	-	-	-	-
09	18	10:30 pm	-	-	-	5.9	7	5.5	WNW	-	-	-	55.8	-	-	-	-
09	18	10:00 pm	-	-	-	5.2	8	5.3	WNW	-	-	-	56.1	-	-	-	-
09	18	9:30 pm	-	-	-	4.9	8	5.2	WNW	-	-	-	56.1	-	-	-	-
09	18	9:00 pm	-	-	-	4.9	8	5.5	WNW	-	-	-	55.9	-	-	-	-
09	18	8:30 pm	-	-	-	4.9	8	5.3	WNW	-	-	-	56.1	-	-	-	-
09	18	8:00 pm	-	-	-	4.6	17	5.1	SW	-	-	-	56.1	-	-	-	-
09	18	7:30 pm	-	-	-	4.6	8	4.9	WNW	-	-	-	55.9	-	-	-	-
09	18	7:00 pm	-	-	-	4.6	17	5.1	SW	-	-	-	56.1	-	-	-	-
09	18	6:30 pm	-	-	-	4.9	17	5.3	SW	-	-	-	56.3	-	-	-	-
09	18	6:00 pm	-	-	-	4.3	17	5.2	SW	-	-	-	56.5	-	-	-	-
09	18	5:30 pm	-	-	-	4.3	17	5.4	SW	-	-	-	56.7	-	-	-	-
09	18	5:00 pm	-	-	-	4.3	8	5.7	WNW	-	-	-	56.7	-	-	-	-
09	18	4:30 pm	-	-	-	4.3	17	6.0	SW	-	-	-	56.7	-	-	-	-
09	18	4:00 pm	-	-	-	4.3	8	6.1	WNW	-	-	-	56.7	-	-	-	-
09	18	3:30 pm	-	-	-	4.3	17	6.6	SW	-	-	-	56.5	-	-	-	-
09	18	3:00 pm	-	-	-	4.6	15	6.9	SW	-	-	-	56.7	-	-	-	-
09	18	2:30 pm	-	-	-	4.6	8	6.6	WNW	-	-	-	56.7	-	-	-	-
09	18	2:00 pm	-	-	-	4.6	17	7.2	SW	-	-	-	56.7	-	-	-	-
09	18	1:30 pm	-	-	-	4.6	8	7.2	WNW	-	-	-	57.0	-	-	-	-
09	18	1:00 pm	-	-	-	4.3	8	6.9	WNW	-	-	-	57.2	-	-	-	-
09	18	12:30 pm	-	-	-	4.6	17	7.3	SW	-	-	-	57.0	-	-	-	-
09	18	12:00 pm	-	-	-	4.6	17	7.5	SW	-	-	-	56.8	-	-	-	-
09	18	11:30 am	-	-	-	4.3	8	7.0	WNW	-	-	-	56.8	-	-	-	-
09	18	11:00 am	-	-	-	4.3	8	7.1	WNW	-	-	-	56.8	-	-	-	-
09	18	10:30 am	-	-	-	4.3	17	7.2	SW	-	-	-	56.7	-	-	-	-
09	18	10:00 am	-	-	-	4.3	17	7.5	SW	-	-	-	57.0	-	-	-	-
09	18	9:30 am	-	-	-	3.9	14	6.8	SW	-	-	-	57.0	-	-	-	-
09	18	9:00 am	-	-	-	4.6	17	7.5	SW	-	-	-	57.0	-	-	-	-
09	18	8:30 am	-	-	-	4.3	8	7.2	WNW	-	-	-	57.6	-	-	-	-
09	18	8:00 am	-	-	-	4.6	8	6.9	WNW	-	-	-	57.7	-	-	-	-
09	18	7:30 am	-	-	-	4.6	17	7.2	SW	-	-	-	57.9	-	-	-	-
09	18	7:00 am	-	-	-	4.3	17	7.4	SW	-	-	-	57.9	-	-	-	-
09	18	6:30 am	-	-	-	4.3	17	7.7	SW	-	-	-	58.1	-	-	-	-
09	18	6:00 am	-	-	-	4.3	17	7.8	SW	-	-	-	58.3	-	-	-	-
09	18	5:30 am	-	-	-	4.3	18	7.7	SW	-	-	-	58.3	-	-	-	-
09	18	5:00 am	-	-	-	3.9	17	7.4	SW	-	-	-	58.5	-	-	-	-
09	18	4:30 am	-	-	-	3.6	18	7.1	SW	-	-	-	58.3	-	-	-	-
09	18	4:00 am	-	-	-	3.9	18	7.1	SW	-	-	-	58.3	-	-	-	-
09	18	3:30 am	-	-	-	3.9	17	7.0	SW	-	-	-	58.1	-	-	-	-
09	18	3:00 am	-	-	-	3.9	18	7.3	SW	-	-	-	58.1	-	-	-	-

Detailed Wave Summary
for 46237 as of (3:00 am PDT)
1000 GMT on 09/19/2018:
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):	5.6 ft
	Swell Height (SwH):	2.3 ft
	Swell Period (SwP):	15.4 sec
	Swell Direction (SwD):	WSW
	Wind Wave Height (WWH):	5.2 ft
	Wind Wave Period (WWP):	8.7 sec
	Wind Wave Direction (WWD):	WNW
	Wave Steepness (STEEPNESS):	AVERAGE
	Average Wave Period (APD):	6.3 sec

Previous observations

MM	DD	TIME (PDT)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec
09	19	2:30 am	4.9	2.0	15.4	WSW	4.6	8.3	WNW	AVERAGE	6.0
09	19	2:00 am	5.2	2.0	15.4	SW	4.9	7.4	WNW	STEEP	6.1
09	19	1:30 am	5.6	2.3	15.4	SW	5.2	6.5	WNW	STEEP	6.0
09	19	1:00 am	5.6	2.3	14.3	SW	4.9	6.7	WNW	STEEP	6.0
09	19	12:30 am	5.6	2.0	15.4	SW	5.2	7.7	WNW	STEEP	5.6
09	19	12:00 am	5.6	2.0	15.4	SW	5.2	8.0	WNW	AVERAGE	5.5
09	18	11:30 pm	5.6	2.3	16.7	SW	5.2	7.1	WNW	STEEP	5.6
09	18	10:30 pm	5.9	2.3	16.7	SW	5.2	6.7	WNW	STEEP	5.5
09	18	10:00 pm	5.2	2.0	16.7	SW	4.6	8.3	WNW	AVERAGE	5.3
09	18	9:30 pm	4.9	2.0	16.7	SW	4.6	7.7	WNW	AVERAGE	5.2
09	18	9:00 pm	4.9	2.3	15.4	SW	4.6	8.0	WNW	AVERAGE	5.5
09	18	8:30 pm	4.9	2.3	16.7	SW	4.6	8.3	WNW	AVERAGE	5.3
09	18	8:00 pm	4.6	2.0	16.7	SW	4.3	8.0	WNW	AVERAGE	5.1
09	18	7:30 pm	4.6	2.0	15.4	SW	4.3	8.3	WNW	AVERAGE	4.9
09	18	7:00 pm	4.6	2.0	16.7	SW	3.9	8.3	WNW	AVERAGE	5.1
09	18	6:30 pm	4.6	2.3	16.7	SW	4.3	8.3	WNW	AVERAGE	5.3
09	18	6:00 pm	4.3	2.3	16.7	SW	3.9	9.1	WNW	AVERAGE	5.2
09	18	5:30 pm	4.3	2.3	16.7	SW	3.6	8.7	WNW	AVERAGE	5.4
09	18	5:00 pm	4.3	2.0	16.7	SW	3.6	8.3	WNW	AVERAGE	5.7
09	18	4:30 pm	4.3	2.3	16.7	SW	3.6	8.0	WNW	AVERAGE	6.0
09	18	4:00 pm	4.3	2.0	16.7	SW	3.9	8.3	WNW	AVERAGE	6.1
09	18	3:30 pm	4.3	2.3	16.7	SW	3.6	8.7	WNW	AVERAGE	6.6
09	18	3:00 pm	4.6	2.6	15.4	SW	3.6	8.3	WNW	AVERAGE	6.9
09	18	2:30 pm	4.6	2.3	16.7	SW	3.9	8.3	WNW	AVERAGE	6.6
09	18	2:00 pm	4.6	2.6	16.7	SW	3.6	8.0	WNW	AVERAGE	7.2
09	18	1:30 pm	4.6	2.3	15.4	SW	3.6	8.3	WNW	AVERAGE	7.2
09	18	1:00 pm	4.3	2.3	16.7	SW	3.6	8.3	WNW	AVERAGE	6.9
09	18	12:30 pm	4.6	2.6	16.7	SW	3.9	8.7	WNW	AVERAGE	7.3
09	18	12:00 pm	4.6	2.6	16.7	SW	3.6	8.7	WNW	AVERAGE	7.5
09	18	11:30 am	4.3	2.3	15.4	SW	3.6	8.0	WNW	AVERAGE	7.0
09	18	11:00 am	4.3	2.3	16.7	SW	3.6	8.3	WNW	AVERAGE	7.1
09	18	10:30 am	4.3	2.6	16.7	SW	3.6	8.3	WNW	AVERAGE	7.2
09	18	10:00 am	4.3	2.6	16.7	SW	3.3	7.7	WNW	AVERAGE	7.5
09	18	9:30 am	3.9	2.0	14.3	SW	3.3	7.7	WNW	AVERAGE	6.8
09	18	9:00 am	4.6	2.6	16.7	SW	3.6	8.0	WNW	AVERAGE	7.5
09	18	8:30 am	4.3	2.3	15.4	SW	3.6	8.0	WNW	AVERAGE	7.2
09	18	8:00 am	4.6	2.3	16.7	SW	3.9	8.3	WNW	AVERAGE	6.9
09	18	7:30 am	4.6	2.6	16.7	SW	3.6	8.0	WNW	AVERAGE	7.2
09	18	7:00 am	4.3	2.6	16.7	SW	3.3	8.3	WNW	AVERAGE	7.4
09	18	6:30 am	4.3	3.0	16.7	SW	3.3	7.7	WNW	AVERAGE	7.7
09	18	6:00 am	3.9	3.0	16.7	SW	3.0	7.7	WNW	SWELL	7.8
09	18	5:30 am	3.9	3.0	18.2	SW	3.0	8.3	W	SWELL	7.7
09	18	5:00 am	3.9	3.0	16.7	SW	2.6	6.1	WNW	SWELL	7.4
09	18	4:30 am	3.6	2.6	18.2	SW	2.6	6.2	WNW	SWELL	7.1
09	18	4:00 am	3.6	2.6	18.2	SW	2.6	6.1	WNW	SWELL	7.1
09	18	3:30 am	3.9	2.6	16.7	SW	2.6	5.4	WNW	SWELL	7.0
09	18	3:00 am	3.9	3.0	18.2	SW	2.6	8.3	W	SWELL	7.3

Plot of wave energy versus frequency (and period)

Disclaimer: Ocean current directions are measured to the nearest 10 degrees and speeds are measured to the nearest whole centimeter per second.

Ocean Current Data for 46237

		3:00 am PDT			2:00 am PDT			1:30 am PDT			1:00 am PDT			12:30 am PDT			12:00 am PDT
Depth ft		Dir °	Speed kts		Dir °	Speed kts		Dir °	Speed kts		Dir °	Speed kts		Dir °	Speed kts		Dir °	Speed kts
3		290	0.31		270	0.66		270	0.82		250	0.74		250	0.99		240	0.49

Previous (up to 48) reports of ocean current data for 46237

Ocean Current Stick Plots are available in metric units only:

All Instruments - 1-day plot - ocean current 1-day plot 3-day plot - ocean current 3-day plot 5-day plot - ocean current 5-day plot

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.