Data sources and credits
- Wind, temperature, visibility, alerts, Coastal Waters Forecast: NOAA National Weather Service (api.weather.gov), reformatted by sailbrief. Not an official NWS product.
- Tide and current predictions, station list: NOAA CO-OPS (tidesandcurrents.noaa.gov).
- UV index and air quality: weather data by Open-Meteo.com, CC BY 4.0; peak per period and WHO/EPA categories computed by sailbrief. Contains modified Copernicus Atmosphere Monitoring Service information. Neither the European Commission nor ECMWF is responsible for any use that may be made of the information it contains.
- Coast Guard notices: U.S. Coast Guard NAVCEN maritime safety information, and Coast Guard rules from the Federal Register (federalregister.gov).
- Sunrise and sunset: computed with the astral library.
- Map backgrounds: Esri (ocean and satellite; Powered by Esri, sources listed on the map), © OpenStreetMap contributors (report a map issue), seamarks © OpenSeaMap contributors (CC BY-SA 2.0), and the NOAA Office of Coast Survey chart display service. None of these maps is for navigation.
- Boats: the Tradewinds boat books, hand-checked; confirm with the office.
U.S. government data (NWS, NOAA, Coast Guard) is not subject to copyright. sailbrief is not affiliated with or endorsed by Tradewinds, NOAA, the National Weather Service, the U.S. Coast Guard, Esri, OpenStreetMap, OpenSeaMap, or Open-Meteo.
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