National Weather Service Marine Forecasts - weather and climate data for the entire U.S.
Storm Prediction Center - NWS agency with severe storm outlooks, land and coastal
NOAA Tides & Currents - tide and current data for US coastal waters
NOAA Coast Watch - global and regional satellite data for ocean and coastal applications
U.S. Naval Observatory - Astronomical and celestial data, timekeeping
NASA World View - Visualization of our dynamic global atmosphere
European Centre for Medium-Range Weather Forecasting (ECMWF) - Global weather model
UK Meteorological Office - European weather products
Earth Nullschool - Global weather visualization, including archives going back many years
