Weather and Tides

Weather
Title
Website Link
General weather (US) http://www.weather.gov/forecastmaps
General weather (Global) http://weather.noaa.gov/international.html
Weather Alerts (US) http://www.weather.gov/
Tropical weather (US) http://www.nhc.noaa.gov
Tropical weather (Global) http://www.weather.com/weather/hurricanecentral
Ice www.nsidc.org
Marine weather (Global - Real-time) http://www.ndbc.noaa.gov/
Marine Weather (US - Forecast) http://www.nws.noaa.gov/om/marine/zone/wrdoffmz.html
Tides
Title
Website Link
Predicted tide levels (US) http://www.co-ops.nos.noaa.gov/tide_predictions.shtml
Real-time tide levels (US) http://tidesonline.nos.noaa.gov/
Tides and currents (Global) http://tide-forecast.com
http://tides.mobilegeographics.com
Great Lakes Water Levels http://www.glerl.noaa.gov/data/now/wlevels/levels.html
Tidal Currents
Title
Website Link
Predicted currents (US) http://www.co-ops.nos.noaa.gov/curr_pred.html
Real-time currents (US) http://tidesandcurrents.noaa.gov/cdata/StationList?type=Current+Data&filter=active
Tides and currents (Global) http://tide-forecast.com
http://tides.mobilegeographics.com