Data Browser

Data Browser

Filter Results By


  • The California Current System Regional Ocean Modeling System (ROMS) is implemented by the UC Santa Cruz Ocean Modeling Group. Daily modeled ocean conditions for approximately one day in the future are available for sea surface height (i.e. sea level), sea surface temperature with surface currents and sea surface salinity with surface currents.
  • USGS monitors water conditions in coastal watersheds throughout California with many sites in the San Francisco Bay area.

  • Hourly wave height period and direction from the Bodega HF Radar system.
  • Hourly map of sea surface current direction and speed from Point Reyes to Bodega Bay.

  • CeNCOOS provides near real-time observations of water conditions at the shore throughout central and northern California. Access these observations and find out more about each shore station on the individual station pages in this section.

  • SFBOFS provides nowcast and forecast guidance of water levels, currents, water temperature, and salinity out to 48 hours, four times per day. The SFBOFS model domain is divided into two separate subdomains - the San Francisco Bay and the San Francisco Bay Entrance. Animation maps and time series at particular points of interest are available at over 50 locations for winds, water levels, currents, temperature, and salinity.

    SFBOFS is FVCOM based and is a three-dimensional, high resolution model run by NOAA.

  • This page shows the most recent data available at buoys and stations in the San Francisco Bay area. In addition, overlays of the latest 3 and 8 day satellite composites of Sea Surface Temperature and Chlorophyll-a are available as well as overlays of HF Radar-derived currents in San Francisco Bay.

  • Changes in Mean Sea Level (MSL), either a sea level rise or sea level fall, have been computed at 128 long-term NOAA water level stations using a minimum span of 30 years of observations at each location. These measurements have been averaged by month to remove the effect of higher frequency phenomena (e.g. storm surge) in order to compute an accurate linear sea level trend.

  • Satellite images of sea surface temperature and chlorophyll along with HF radar surface currents.  Archived images are available dating back to 2010.
  • View all satellite layers available in the CeNCOOS data portal. Layers available as of July 2016 are: AVHRR Sea Surface Temperature (SST), Aquarius Sea Surface Salinity and Wind Speed,  GHRSST Sea Surface Temperature, and MODIS Aqua Chlorophyll.

  • Composite images of Chlorophyll-a data from MODIS - Aqua are available to view and download through the CeNCOOS data portal. Data covers a large area spanning the West Coast, extending from Canada to Mexico at a resolution of  1/80 of a degree. 
  • Surface current trajectories for the offshore San Francisco Bay area from HF Radar measurements.  A representation of flow at the sea surface, particle trajectories, or "tracks", indicate the motion of particles at a point in the water and the position at which those particles will arrive over a distinct period of time.

  • An integrated view of real-time river mouth conditions including river discharge, precipitation, wave and tide measurements.
  • View past wave conditions at Pt. Reyes and compare them to current conditions. This dynamic graph of significant wave heights at Point Reyes is updated each day using data from a CDIP buoy (located 22 NM west of Pt. Reyes, CA). The buoy samples every 30 minutes and the plot shows the daily average of those values.
  • Links to National Weather Service marine forecasts for the west coast.

  • Monterey area weather and forecast links assembled by the Naval Postgraduate School department of meteorology. links
  • NOAA monitors water levels and provides the data in real-time at 10+ stations throughout the CeNCOOS region.  The tide measurements are usually accompanied with water temperature, air temperature, winds and air pressure measurements which are also available in real-time.

  • The National Data Buoy Center has several ocean buoys in Central and Northern California and also harvests data from IOOS partner and CDIP wave buoys. Data from NDBC is also feed into the real-time sensor layer in the CeNCOOS Data Portal.

  • Maps of hourly surface current speed and direction for the Monterey Bay Area.  Mar 1, 2015: Monterey Bay monitoring stations are currently intermittently available.
  • Map of the daily surface current speed and direction in Monterey Bay, CA.  Images are updated daily.

  • Climatology of long-term water temperature records (back to 1991) from the M1 mooring in Monterey Bay.  Information available includes plots of surface and subsurface water temperature climatologies and sea surface temperature anomalies.  

  • CeNCOOS operates two ROMS ocean models and a COAMPS atmospheric model providing orecasts of ocean and atmospheric conditions in near-real-time on our site.
  • Real-time weather observations throughout California and the rest of the U.S.
  • Access plots of the latest data from the MBARI moorings.  These  buoys are  in the Monterey Bay area and include M1, 46044, OA1 and OA2.  Plots include meteorological data (air temperature, relative humidity, winds, radiation), water temperature and salinity (both surface and subsurface), pH, CO2, dissolved oxygen, and fluorescence.

  • Links to HFR data in the portal.
  • HF Radar stations provide real-time surface currents throughout California. Data visualizations, data access, program information and technology information are available here.

  • Get the latest harmful algal bloom monitoring data for sites in Santa Cruz, Monterey, San Luis Obispo, Santa Barbara, Santa Monica, Long Beach and San Diego. The goals of this program are to collect comparable data at regional stations, provide timely updates on HAB events, and aid in understanding the timing, extent, and impact of these events on humans as well as the ecosystem. Information is available in a map viewer, time-series charts and table views. Data is available to download in text file formats. 
  • Glider observations are supported collaboratively by MBARI, Scripps Institute of Oceanography and CeNCOOS with funding from NOAA and the State of California. Use the listing below to see details for each mission and access data from both active and previous glider missions.

  • GHRSST satelite sea surface temperature (SST) data is available to view and download in the CeNCOOS data portal.  ​Data spans from Canada to Mexico at a resolution of 0.009 degrees (1km).
  • ESTOFS (Extratropical Surge and Tide Operational Forecast System) is a storm surge model with a resolution of 2.5 km. It uses the circulation model ADCIRC, tides are included and it is forced winds and pressures from the NCEP Global Forecast System (GFS). The ESTOFS model is run by NOAA on NCEP's central computing system four times daily out to 180 hours (7.5 days) producing storm surge guidance for non-tropical systems.

    Data is available in GRIB and NetCDF formats via NOMADS:

  • Calculate water trajectories off the California Coast with the Drop-A-Drifter tool. The movement of a particle of water (the trajectory) can be computed at selected depths of the upper 400 meters during the past two weeks and 72-hrs into the future. This can indicate where a floating substance (oil) or object (buoy) came from or will go.

  • COAMPS is a numerical model used for weather forecasts.  Forecasts of winds, rain, temperature are available over an area covering the coastal ocean from Oregon to Mexico at a resolution of 4 km.

  • The California Environmental Data Exchange Network (CEDEN) hosts online data access to water quality, toxicity and tissue sample data for coastal and inland surface waters throughout California. 

  • The California Department of Public Health Volunteer Monitoring Program Map Viewer shows abundance of toxic phytoplankton species on a weekly interval. Visit their website to access data.

  • CDIP provides statewide wave  nowcasts and forecasts.  Wave forecasts up to 90 hours are available and include significant wave height, period and direction.

  • Measuring: real-time wave energy and direction, sea surface temperature

  • The California ROMS model extends from just north of the CA-Oregon border south to Mexico and has a resolution of 3 km. Forecasts (72 hr) and nowcasts are available in near real-time for sea surface height, water temperature, salinity, and currents. This model is operated by UCLA and Remote Sensing Solutions.
  • Graphics of California ROMS nowcasts and forecasts for salinity, temperature, sea surface height and currents back to April 2013 are hosted on the Remote Sensing Solutions website. Output is available by sub-region and for all of California. The sub-regions are Central and Northern California, the North Coast, San Francisco Bay area, Monterey Bay area, and the Central Coast.

  • See ocean current movements with a surface current trajectory animation is produced twice a day by CeNCOOS.  It is based on the 72-hour forecast from California ROMS ocean forecast model. The ROMS domain encompasses the entire California coastal region out to 1000 km off shore, with a horizontal resolution of 3 km and 40 vertical levels. 
  • Long term average air and seawater temperatures recorded from NOAA buoy 46013 over the period 1982-2007 are plotted for each day of the year and compared with current conditions.
  • Listing of bathymetry data resources covering coastal California.  Includes high-resolution Coastal State Mapping Program bathymetry, bathy merge, and lidar. Data is available in many formats for technical and non-technical uses.
  • Composite images of sea surface temperature (SST) data from POES-AVHRR are available to view and download in the CeNCOOS data portal. ​Data covers an area spanning the West Coast, extending from Canada to Mexico at a resolution of  1/80 (0.0125) degrees.  
  • Algal blooms are composed of one or more species of phytoplankton. Some blooms are 'red tides', appearing brown to red in color, and some of these can be harmful to people or wildlife depending on the species forming the bloom. Other blooms are not visible but can still cause health problems. Learn more about algal blooms and algal bloom monitoring activities on the pages listed below.

  • Forecasts for air temperature, winds and rainfall from the COAMPS model are available to view and download in the CeNCOOS data portal.  Data covers all of coastal California at a resolution of 4km.
  • View the Real-Time Sensors layer from the CeNCOOS data portal. This layer displays the latest measurements at hundreds of observation locations throughout California.

    Parameters available as of July 2016 are:

  • View maps of forecasted winds from our atmospheric model together with observed winds from buoys and shore stations.  Comparisons are displayed both on a map and as time-series comparison graphs. Data goes back several years.

  •  A description of the HFR vector WMS map.