Data & Attributions

Weather & wave forecast models

• GFS-Wave

  NOAA / NCEP NOMADS

  Global wave model. U.S. federal public-domain data.

• HRRR near-term wind & gust

  NOAA / NCEP HRRR (High-Resolution Rapid Refresh)

  High-resolution same-day 10 m wind and gust over the continental U.S. (3 km, hourly). Leads the near-term wind forecast inside coastal waters; atmospheric only — no waves. Public-domain.

• ECMWF Open Data (IFS)

  European Centre for Medium-Range Weather Forecasts (ECMWF)

  Real-time IFS open forecast data. © 2026 European Centre for Medium-Range Weather Forecasts (ECMWF). Source: www.ecmwf.int. Licensed under a Creative Commons Attribution 4.0 International licence (CC BY 4.0): creativecommons.org/licenses/by/4.0. ECMWF does not accept any liability whatsoever for any error or omission in the data, their availability, or for any loss or damage arising from their use.

• NWS gridded forecast

  NOAA National Weather Service (api.weather.gov)

  Authoritative U.S. hourly wind/wave baseline. Public-domain.

• GDWPS (global wave)

  Meteorological Service of Canada / ECCC

  “Contains information licenced under the Open Government Licence – Canada.”

• DWD ICON (global)

  Deutscher Wetterdienst (DWD) — Open Data (opendata.dwd.de)

  Independent global NWP model (~13 km) contributing 10 m wind and mean-sea-level pressure as a third independent opinion in the forecast blend. Source: Deutscher Wetterdienst. Provided under the German GeoNutzV (Creative Commons Attribution 4.0, CC BY 4.0): creativecommons.org/licenses/by/4.0. Data have been modified (point-sampled and blended); DWD accepts no liability for the data or their use.

Satellite & gridded ocean fields

Ocean physics (currents, SSH, MLD) distributed via the E.U. Copernicus Marine Service (CMEMS). Satellite SST via NASA JPL; ocean-color chlorophyll via NASA (PACE/OCI, with MODIS-Aqua fallback). Surface pressure via NOAA/NCEP GFS (NOMADS).

• MUR Sea-Surface Temperature

  NASA Jet Propulsion Laboratory (JPL)

  Multi-scale Ultra-high Resolution SST. Credit: NASA/JPL.

• Chlorophyll-a

  NASA — PACE/OCI (primary), MODIS-Aqua (fallback)

  Near-real-time ocean color, led by the next-generation PACE Ocean Color Instrument (~1 km), with MODIS-Aqua as fallback when PACE is unavailable. Credit: NASA.

• Sea-surface height (SSH)

  E.U. Copernicus Marine Service (CMEMS) — Global Analysis-Forecast Physics GLO_PHY_001_024

  "Generated using E.U. Copernicus Marine Service Information" — product DOI 10.48670/moi-00016. Source: E.U. Copernicus Marine Service Information / Data (2026), ©Mercator Ocean. Replaced NOAA CoastWatch/STAR ERDDAP blend 2026-06-17.

• Surface currents

  E.U. Copernicus Marine Service (CMEMS) — cmems_mod_glo_phy-cur 1/12°

  "Generated using E.U. Copernicus Marine Service Information" — product DOI 10.48670/moi-00016. Speed + direction derived from CMEMS uo/vo at 0–1 m depth. Source: E.U. Copernicus Marine Service Information / Data (2026), ©Mercator Ocean. Replaced NOAA CoastWatch/STAR ERDDAP blend 2026-06-17.

• HF-radar nearshore currents

  IOOS HF-Radar Network / NOAA

  Real-time surface currents. Public-domain.

• Mean sea-level pressure

  NOAA / NCEP GFS (NOMADS)

  Surface pressure analysis (GFS). Public-domain.

• Mixed-layer depth

  E.U. Copernicus Marine Service (CMEMS) — Global Analysis-Forecast Physics (GLO_PHY_001_024)

  “Generated using E.U. Copernicus Marine Service Information” — product DOI 10.48670/moi-00016. “Source: European Union, Copernicus Marine Service Information or Data (2026), ©Mercator Ocean.”

• Sea-surface salinity

  E.U. Copernicus Marine Service (CMEMS) — Global Analysis-Forecast Physics (GLO_PHY_001_024)

  Surface salinity (PSU) — the freshwater-plume / river-edge layer. “Generated using E.U. Copernicus Marine Service Information” — product DOI 10.48670/moi-00016. “Source: European Union, Copernicus Marine Service Information or Data (2026), ©Mercator Ocean.”

• Dissolved oxygen

  E.U. Copernicus Marine Service (CMEMS) — Global Analysis-Forecast Biogeochemistry (GLO_BGC_001_028)

  Surface dissolved oxygen (mmol/m³) — the hypoxia / dead-zone read. Modeled BETA product, not a measurement. “Generated using E.U. Copernicus Marine Service Information” — product DOI 10.48670/moi-00015. “Source: European Union, Copernicus Marine Service Information or Data (2026), ©Mercator Ocean.”

• Temperature at depth

  E.U. Copernicus Marine Service (CMEMS) — Global Analysis-Forecast Physics (GLO_PHY_001_024)

  Sub-surface temperature profile (°C) — the Surface→depth temperature slider reads the modeled water-column temperature at the nearest model level. “Generated using E.U. Copernicus Marine Service Information” — product DOI 10.48670/moi-00016. “Source: European Union, Copernicus Marine Service Information or Data (2026), ©Mercator Ocean.”

• Sargassum (AFAI floating-algae density)

  University of South Florida College of Marine Science (Optical Oceanography Laboratory) — Sargassum Watch System; redistributed via NOAA/AOML CoastWatch

  Alternative Floating Algae Index (AFAI), 7-day cumulative satellite composite. USF AFAI is free public data; the NOAA/AOML redistribution is U.S. federal public-domain. Research product — not for navigation.

Observations & tides

• Buoy observations

  NOAA National Data Buoy Center (NDBC)

  Live wind, wave, SST, and pressure. Public-domain.

• Confirmed species observations (surveys)

  OBIS (Ocean Biodiversity Information System), aggregating US government surveys: SEAMAP, NOAA SEFSC/SERFS, NMFS reef-fish bottom-longline, and FWC Fisheries-Independent Monitoring

  Georeferenced occurrence records — where a survey physically caught the species (observed presence, not abundance, and not a prediction). CC0 public-domain via OBIS; underlying surveys are US-government public data.

• Tide predictions

  NOAA CO-OPS

  Tidal predictions by station. Public-domain.

• GOES GLM lightning

  NOAA / NASA (GOES-East/West)

  Geostationary Lightning Mapper flashes. Public-domain.

Charts, basemaps & radar

• Electronic Navigational Charts (ENC)

  NOAA Office of Coast Survey

  S-52 portrayal of official ENC cells. For reference only — not for navigation.

• Dark basemap

  CARTO, built on OpenStreetMap

  © OpenStreetMap contributors, © CARTO (ODbL).

• Coastline land mask

  OpenStreetMap

  Bay-accurate land polygons used to mask marine field layers at the shoreline. © OpenStreetMap contributors, licensed under the Open Database License (ODbL).

• Seafloor relief base

  GEBCO

  Global bathymetric relief (the “Seafloor relief” base map). “Imagery reproduced from the GEBCO Grid.”

• Weather radar (observed)

  NOAA MRMS

  Multi-Radar Multi-Sensor composite reflectivity. Public domain (NOAA).

Bathymetry & seafloor terrain

• Coastal relief / best-available DEM

  NOAA NCEI

  Shaded-relief bathymetry mosaic. Public-domain.

• BlueTopo high-res bathymetry

  NOAA National Bathymetric Source

  Nearshore depth. Public-domain.

• Gulf deepwater bathymetry

  BOEM (via Gulf Council)

  3D-seismic-derived deepwater relief. Public-domain.

• CoNED 1 m topobathy

  USGS

  High-resolution nearshore topobathymetry. Public-domain.

Reefs, wrecks & structures

Public agency catalogs; each structure carries its source agency and “as of” date in the app.

• Artificial reefs

  State marine agencies: FL FWC, AL MRD, NC DMF, TX TPWD, SC DNR, MS DMR

  Agency-published reef locations; attribution preserved.

• Wrecks & obstructions

  NOAA Office of Coast Survey

  Charted wrecks/obstructions (AWOIS). Preserve charting caveats.

• Platforms & seabed features

  BOEM / BSEE

  Gulf platforms and interpreted seabed features.

• Seafloor habitat (hardgrounds, coral & natural reef)

  BOEM (Gulf 3D-seismic seabed features) · FL FWC (Coral & Hard Bottom Habitats)

  Natural bottom-habitat layer — hardgrounds, relic/coral reefs & benthic communities. Coverage: Gulf (BOEM) + Florida (FWC). Public-agency data; attribution preserved.

• National artificial-reef compilation

  NOAA Office for Coastal Management

  Fallback compilation where no dedicated state feed exists.

Open-source software

• MapLibre GL JS

  MapLibre

  BSD-3-Clause.

• Chart.js & react-chartjs-2

  Chart.js contributors

  MIT.

• deck.gl

  vis.gl / OpenJS Foundation

  MIT.

• H3

  Uber

  Apache-2.0.