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Regional Ocean Modeling System (ROMS): Guam

Published by Pacific Islands Ocean Observing System (PacIOOS) | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: April 28, 2026 | Last Modified: 2015-05-28T00:00:00.000+00:00
Regional Ocean Modeling System (ROMS) 6-day, 3-hourly forecast for the region surrounding Guam and parts of the Commonwealth of the Northern Mariana Islands (CNMI) at approximately 2-km resolution. Boundary conditions provided by the wider ROMS model for the region surrounding the Western North Pacific (roms_mari) at approximately 4-km resolution. Atmospheric forcing generated by the Weather Research and Forecasting (WRF) model for the region surrounding Guam and parts of the Commonwealth of the Northern Mariana Islands (CNMI) (wrf_guam) at approximately 3-km resolution. Tide forcing uses the Oregon State University (OSU) Tidal Prediction Software (OTPS) TOPEX/Poseidon global inverse solution (TPXO) to derive barotropic tidal elevation and velocity. Data are assimilated over the previous 3 days using all available observations to improve the model estimate of current ocean state (its nowcast) before forecasts are run. Assimilated observations may include satellite-based sea surface temperatures from MODIS, AVHRR, or OSTIA; satellite-based sea surface height from AVISO; and in-situ water temperature and salinity profiles from ARGO floats. While considerable effort has been made to implement all model components in a thorough, correct, and accurate manner, numerous sources of error are possible. As such, please use these data with the caution appropriate for any ocean related activity.

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Earth Science Services > Models > Ocean General Circulation Models (OGCM)/Regional Ocean Models Earth Science Services > Models > Weather Research/Forecast Models Earth Science > Oceans > Ocean Temperature > Potential Temperature Earth Science > Oceans > Salinity/Density > Salinity Earth Science > Oceans > Sea Surface Topography > Sea Surface Height Earth Science > Oceans > Ocean Circulation > Ocean Currents Models/Analyses > > Operational Models Not Applicable > Not Applicable

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Complete Metadata
@type dcat:Dataset
accessLevel public
contactPoint 
                                            {
  "fn": "University of Hawaii at Manoa",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:powellb@hawaii.edu"
}
describedByType application/octet-steam
description Regional Ocean Modeling System (ROMS) 6-day, 3-hourly forecast for the region surrounding Guam and parts of the Commonwealth of the Northern Mariana Islands (CNMI) at approximately 2-km resolution. Boundary conditions provided by the wider ROMS model for the region surrounding the Western North Pacific (roms_mari) at approximately 4-km resolution. Atmospheric forcing generated by the Weather Research and Forecasting (WRF) model for the region surrounding Guam and parts of the Commonwealth of the Northern Mariana Islands (CNMI) (wrf_guam) at approximately 3-km resolution. Tide forcing uses the Oregon State University (OSU) Tidal Prediction Software (OTPS) TOPEX/Poseidon global inverse solution (TPXO) to derive barotropic tidal elevation and velocity. Data are assimilated over the previous 3 days using all available observations to improve the model estimate of current ocean state (its nowcast) before forecasts are run. Assimilated observations may include satellite-based sea surface temperatures from MODIS, AVHRR, or OSTIA; satellite-based sea surface height from AVISO; and in-situ water temperature and salinity profiles from ARGO floats. While considerable effort has been made to implement all model components in a thorough, correct, and accurate manner, numerous sources of error are possible. As such, please use these data with the caution appropriate for any ocean related activity.
distribution 
                                            [
  {
    "@type": "dcat:Distribution",
    "title": "THREDDS Catalog",
    "accessURL": "https://pae-paha.pacioos.hawaii.edu/thredds/catalog/roms_marig/catalog.html?dataset=roms_marig/ROMS_Guam_Regional_Ocean_Model_best.ncd",
    "mediaType": "text/html",
    "description": "This URL provides a catalog page for this dataset within THREDDS Data Server (TDS).",
    "describedByType": "application/octet-stream"
  },
  {
    "@type": "dcat:Distribution",
    "title": "File Information",
    "accessURL": "https://pae-paha.pacioos.hawaii.edu/thredds/dodsC/roms_marig/ROMS_Guam_Regional_Ocean_Model_best.ncd.html",
    "mediaType": "text/html",
    "description": "This URL provides a standard OPeNDAP html interface for selecting data from this dataset. Change the extension to .info for a description of the dataset.",
    "describedByType": "application/octet-stream"
  },
  {
    "@type": "dcat:Distribution",
    "title": "PacIOOS Voyager (Google Maps API)",
    "accessURL": "http://pacioos.org/voyager/index.html?b=11.187772%2C140.315171%2C16.687443%2C149.670029&o=ofore:1:f:d7",
    "mediaType": "text/html",
    "description": "This URL provides a viewer and/or data access for this dataset.",
    "describedByType": "application/octet-stream"
  },
  {
    "@type": "dcat:Distribution",
    "title": "PacIOOS website",
    "accessURL": "http://pacioos.org/currents/model-mariana/",
    "mediaType": "text/html",
    "description": "This URL provides a viewer and/or data access for this dataset.",
    "describedByType": "application/octet-stream"
  },
  {
    "@type": "dcat:Distribution",
    "title": "ERDDAP (3-D Variables)",
    "accessURL": "https://pae-paha.pacioos.hawaii.edu/erddap/griddap/roms_marig",
    "mediaType": "text/html",
    "description": "This URL provides a viewer and/or data access for this dataset.",
    "describedByType": "application/octet-stream"
  },
  {
    "@type": "dcat:Distribution",
    "title": "ERDDAP (Sea Surface Height)",
    "accessURL": "https://pae-paha.pacioos.hawaii.edu/erddap/griddap/roms_marig_ssh",
    "mediaType": "text/html",
    "description": "This URL provides a viewer and/or data access for this dataset.",
    "describedByType": "application/octet-stream"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Related URL",
    "accessURL": "http://myroms.org",
    "mediaType": "text/html",
    "description": "This URL provides additional information related to this dataset.",
    "describedByType": "application/octet-stream"
  },
  {
    "@type": "dcat:Distribution",
    "accessURL": "http://www.soest.hawaii.edu/oceanography/faculty/powell.html",
    "mediaType": "text/html",
    "describedByType": "application/octet-stream"
  }
]
identifier https://data.noaa.gov/waf/NOAA/ioos/iso/xml/roms_marig.xml
isPartOf Pacific Islands Ocean Observing System (PacIOOS)
issued 2013-10-04T00:00:00.000+00:00
keyword 
                                            [
  "Earth Science Services > Models > Ocean General Circulation Models (OGCM)/Regional Ocean Models",
  "Earth Science Services > Models > Weather Research/Forecast Models",
  "Earth Science > Oceans > Ocean Temperature > Potential Temperature",
  "Earth Science > Oceans > Salinity/Density > Salinity",
  "Earth Science > Oceans > Sea Surface Topography > Sea Surface Height",
  "Earth Science > Oceans > Ocean Circulation > Ocean Currents",
  "Models/Analyses > > Operational Models",
  "Not Applicable > Not Applicable",
  "Ocean > Pacific Ocean > Western Pacific Ocean > Micronesia > Guam",
  "Ocean > Pacific Ocean > Western Pacific Ocean > Micronesia > Northern Mariana Islands > Commonwealth of the Northern Mariana Islands (CNMI)",
  "PacIOOS > Pacific Islands Ocean Observing System",
  "PacIOOS > Pacific Islands Ocean Observing System",
  "sea_binary_mask",
  "sea_surface_height",
  "eastward_sea_water_velocity",
  "northward_sea_water_velocity",
  "sea_water_potential_temperature",
  "sea_water_salinity",
  "forecast_period",
  "latitude",
  "longitude",
  "depth",
  "time",
  "forecast_reference_time"
]
landingPage http://www.soest.hawaii.edu/oceanography/faculty/powell.html
language 
                                            []
license https://creativecommons.org/publicdomain/zero/1.0/
modified 2015-05-28T00:00:00.000+00:00
publisher 
                                            {
  "name": "Pacific Islands Ocean Observing System (PacIOOS)",
  "@type": "org:Organization"
}
spatial 146.97229,11.93739,142.91875,15.97538
temporal 2025-04-13T00:00:00+00:00/2026-04-29T00:00:00+00:00
title Regional Ocean Modeling System (ROMS): Guam

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