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Station 46012 (LLNR 325) - HALF MOON BAY - 24NM SSW of San Francisco, CA Image indicating link to RSS feed of recent meteorological observations for station 46012

Owned and maintained by National Data Buoy Center
Data provided by @Orchard
Uncrewed Surface Vehicle
DataXplorer
37.356 N 122.881 W (37°21'20" N 122°52'51" W)

Site elevation: sea level
Air temp height: 1.3 m above site elevation
Anemometer height: 1.3 m above site elevation
Barometer elevation: 1.3 m above mean sea level
Sea temp depth: 0.2 m below MLLW
Water depth: 208.8 m
Watch circle radius: 20253.7 yards

Previous data provided by Saildrone for this station are available at:
SD-1073 (1801589) -- 0000Z, 9/1/23 to 2359Z, 4/25/24 and 2000Z, 5/8/25 to 0000Z, 8/4/25
SD-1077 (1801593) -- 1200Z, 7/27/24 to 1959Z, 5/8/25
SD-1063 (1801583) -- 0000Z, 4/26/24 to 0330Z, 7/24/24.

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Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station 46012

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Station 46012

Conditions at 46012 as of
(9:00 am PDT)
1600 GMT on 06/17/2026:
     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

5-day plot - Wind Direction Wind Direction (WDIR):SSE ( 150 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 1.9 kts
5-day plot - Wind Gust Wind Gust (GST): 3.9 kts
5-day plot - Wave Height Wave Height (WVHT): 3.6 ft
5-day plot - Dominant Wave Period Dominant Wave Period (DPD): 14 sec
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.92 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):+0.01 in ( Rising )
5-day plot - Air Temperature Air Temperature (ATMP): 56.3 °F
5-day plot - Water Temperature Water Temperature (WTMP): 56.1 °F
5-day plot - Dew Point Dew Point (DEWP): 56.1 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 3.9 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 3.9 kts
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Previous observations
TIME
(PDT)		 5-day plot - Wind Direction
WDIR
 		 5-day plot - Wind Speed
WSPD
kts		 5-day plot - Wind Gust
GST
kts		 5-day plot - Wave Height
WVHT
ft		 5-day plot - Dominant Wave Period
DPD
sec		 5-day plot - Average Wave Period
APD
sec		 5-day plot - Mean Wave Direction
MWD
 		 5-day plot - Atmospheric Pressure
PRES
in		 5-day plot - Pressure Tendency
PTDY
in		 5-day plot - Air Temperature
ATMP
°F		 5-day plot - Water Temperature
WTMP
°F		 5-day plot - Dew Point
DEWP
°F		 5-day plot - Salinity
SAL
psu		 5-day plot - Visibility
VIS
nmi		 5-day plot - Tide (above MLLW)
TIDE
ft
2026-06-17 08:00 am SE 1.9 3.9 3.6 18--29.91+0.01 55.9 56.1 55.8---
2026-06-17 07:00 amSSE 1.9 1.9 3.9 19--29.91+0.01 55.9 55.8 55.8---
2026-06-17 06:00 am S 1.9 3.9 3.6 19--29.91+0.00 55.9 55.4 55.6---
2026-06-17 05:00 amSSW 3.9 3.9 3.0 18--29.90-0.01 55.9 55.4 55.6---
2026-06-17 04:00 am SW 5.8 5.8 3.3 18--29.90-0.02 56.1 55.8 55.6---
2026-06-17 03:00 am SW 5.8 5.8 3.0 18--29.91-0.02 56.3 56.1 55.8---
2026-06-17 02:00 am SW 5.8 5.8 3.9 18--29.91-0.02 56.5 56.5 55.9---
2026-06-17 01:00 am SW 5.8 5.8 3.6 19--29.92-0.01 56.8 56.7 56.3---
2026-06-17 12:00 am S 5.8 5.8 3.0 19--29.93+0.00 57.4 56.7 56.5---
2026-06-16 11:00 pm S 5.8 5.8 3.0 15--29.93+0.00 57.7 56.7 56.5---
2026-06-16 10:00 pmSSE 3.9 5.8 3.6 18--29.95-0.01 56.8 55.6 55.9---
2026-06-16 09:00 pm SE 3.9 5.8 3.0 16--29.95-0.02 56.7 55.8 55.8---
2026-06-16 08:00 pmSSE 3.9 5.8 3.3 17--29.96-0.03 57.2 56.5 56.1---
2026-06-16 07:00 pmSSE 3.9 5.8 2.3 14--29.96-0.04 57.7 57.2 56.7---
2026-06-16 06:00 pm S 3.9 5.8 3.3 17--29.97-0.03 57.6 57.4 56.5---
2026-06-16 05:00 pmSSW 3.9 5.8 3.3 18--29.98-0.03 57.4 56.7 56.3---
2026-06-16 04:00 pmSSW 3.9 5.8 2.3 16--29.99-0.02 57.6 56.8 56.1---
2026-06-16 03:00 pmSSW 3.9 5.8 3.0 17--30.01-0.02 57.7 57.6 56.3---
2026-06-16 02:00 pm SW 3.9 5.8 2.3 15--30.02+0.00 57.6 57.4 56.3---
2026-06-16 01:00 pm SW 3.9 5.8 2.3 14--30.02-0.02 57.6 57.4 56.5---
2026-06-16 12:00 pm S 1.9 3.9 2.6 16--30.02-0.01 57.2 57.0 56.5---
2026-06-16 11:00 amSSE 5.8 5.8 2.3 15--30.02-0.01 56.3 56.7 55.6---
2026-06-16 10:00 am SE 5.8 7.8 2.3 14--30.03+0.01 55.9 56.7 55.2---
2026-06-16 09:00 amSSE 5.8 5.8 2.3 15--30.03+0.02 55.9 55.9 55.2---
Wave Summary
for 46012 as of (9:00 am PDT)
1600 GMT on 06/17/2026:

These wave data are displayed in rounded times.

     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

5-day plot - Significant Wave Height Significant Wave Height (WVHT): 3.6 ft
Previous observations
TIME
(PDT)		 5-day plot - Wave Height
WVHT
ft		 5-day plot - Swell Height
SwH
ft		 5-day plot - Swell Period
SwP
sec		 5-day plot - Swell Direction
SwD
 		 5-day plot - Wind Wave Height
WWH
ft		 5-day plot - Wind Wave Period
WWP
sec		 5-day plot - Wind Wave Direction
WWD
 		 5-day plot - Wave Steepness
STEEPNESS
 		 5-day plot - Average Wave Period
APD
sec
2026-06-17 08:00 am 3.6--N/A-- N/A N/A-
2026-06-17 07:00 am 3.9--N/A-- N/A N/A-
2026-06-17 06:00 am 3.6--N/A-- N/A N/A-
2026-06-17 05:00 am 3.0--N/A-- N/A N/A-
2026-06-17 04:00 am 3.3--N/A-- N/A N/A-
2026-06-17 03:00 am 3.0--N/A-- N/A N/A-
2026-06-17 02:00 am 3.9--N/A-- N/A N/A-
2026-06-17 01:00 am 3.6--N/A-- N/A N/A-
2026-06-17 12:00 am 3.0--N/A-- N/A N/A-
2026-06-16 11:00 pm 3.0--N/A-- N/A N/A-
2026-06-16 10:00 pm 3.6--N/A-- N/A N/A-
2026-06-16 09:00 pm 3.0--N/A-- N/A N/A-
2026-06-16 08:00 pm 3.3--N/A-- N/A N/A-
2026-06-16 07:00 pm 2.3--N/A-- N/A N/A-
2026-06-16 06:00 pm 3.3--N/A-- N/A N/A-
2026-06-16 05:00 pm 3.3--N/A-- N/A N/A-
2026-06-16 04:00 pm 2.3--N/A-- N/A N/A-
2026-06-16 03:00 pm 2.6--N/A-- N/A N/A-
2026-06-16 02:00 pm 2.3--N/A-- N/A N/A-
2026-06-16 01:00 pm 2.3--N/A-- N/A N/A-
2026-06-16 12:00 pm 2.6--N/A-- N/A N/A-
2026-06-16 11:00 am 2.3--N/A-- N/A N/A-
2026-06-16 10:00 am 2.3--N/A-- N/A N/A-
2026-06-16 09:00 am 2.3--N/A-- N/A N/A-