Weather & Tide – Yacht Services of Alaska

National Oceanic & Atmospheric Administration
http://www.arh.noaa.gov/

Alaska Ocean Observing System
http://www.aoos.org

NOAA Alaska on-line chart viewer

http://ocsdata.ncd.noaa.gov/OnLineViewer/AlaskaViewerTable.htm

NOAA Tides and Currents
http://tidesandcurrents.noaa.gov/