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National Forecast Charts
National Centers for Environmental Prediction, Weather Prediction Center
https://www.wpc.ncep.noaa.gov/national_forecast/natfcst.php?Day=1

Tropical Weather Outlook
The National Hurricane Center (NHC)
https://www.nhc.noaa.gov/
https://www.nhc.noaa.gov/gtwo.php

NOAA Tide Predictions - Washington DC
Center for Operational Oceanographic Products and Services, National Oceanic and Atmospheric Administration
https://tidesandcurrents.noaa.gov/tide_predictions.html?gid=1396

NOAA Observed Water Levels - Station 8594900 Washington DC
Center for Operational Oceanographic Products and Services, National Oceanic and Atmospheric Administration
https://tidesandcurrents.noaa.gov/stationhome.html?id=8594900&units=standard