Also Storm Surge graphs for stations in storm mode. Bar Conditions Real-time sea conditions from the NOAA telemetry buoy a few miles out from the Columbia bar. Weather On-line weather information for anywhere including forecasts. Marine forecasts also available. A way-cool tide prediction program free to download.
Shows tides world-wide in a print or graph mode.
Although I've read that it is accurate and uses NOAA database, the program is not confirmed or warranted and should not be used for critical or navigational purposes. Mapquest On-line driving directions from anywhere to anywhere. An on-line calculator of current money exchange rates. There are others also. Seasickness Some good advice about seasickness and how to avoid it.