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Storm Special! View the latest observations near Atlantic Potential Tropical Cyclone Four.

NDBC added additional data to its .drift file format on August 17. For more info, see the Drift File Format Change Notice.

Station 46012 (LLNR 325) - HALF MOON BAY - 24NM SSW of San Francisco, CA

Owned and maintained by National Data Buoy Center
37.356 N 122.881 W (37°21'20" N 122°52'51" W)

Available historical data for station 46012 include:

Quality controlled data for 2022 (data descriptions)
- Standard meteorological data: Jan Feb Mar Apr May Jun Jul
- Spectral wave density data: Jan Feb Mar Apr May Jun Jul
- Spectral wave (alpha1) direction data: Jan Feb Mar Apr May Jun Jul
- Spectral wave (alpha2) direction data: Jan Feb Mar Apr May Jun Jul
- Spectral wave (r1) direction data: Jan Feb Mar Apr May Jun Jul
- Spectral wave (r2) direction data: Jan Feb Mar Apr May Jun Jul
- Supplemental Measurements data: Jan Feb Mar Apr May Jun Jul
Historical data (data descriptions)
- Standard meteorological data: 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
- Continuous winds data: 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
- Spectral wave density data: 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2010b 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
- Spectral wave (alpha1) direction data: 2010 2010b 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
- Spectral wave (alpha2) direction data: 2010 2010b 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
- Spectral wave (r1) direction data: 2010 2010b 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
- Spectral wave (r2) direction data: 2010 2010b 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
- Supplemental measurements data: 2019 2020 2021
Search historical meteorological data for observations that meet your threshold conditions
Climatic summary table (TXT) and plots of (description of tables and plots)

Some data files have been compressed with the GNU gzip program.

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