NOOA Tides Online - Links to state and regional tide measurement stations, nationwide, including storm surge indicators.
Make a Tide Prediction - USA coast, select region, then coastal area (port city, bay, etc.) of choice; interactive maps.
On The Fly Predictions - Offering six minute or hourly prediction data or plots for all stations with accepted harmonic constituents.
Tidal Current Predictions - Offering flood/ebb and time of slack water tidal current predictions for approximately 50 locations.
National Weather Service Marine Forecasts Site - Current weather measurements, forecasts, sea surface temperature, special marine warnings and statements, and other links.
Tidal Information Page - World wide, global tide information. Look up current tide information by continent and port.
WWW Tide and Current Predictor - Graphs of tides; select region, then site; gives basic harmonic tide and current speed predictions; prediction calculation options available, also U.S. site map. Links to stations outside the U.S.
Weather Information - Links to weather forecasts, satellite and radar images, data and much more.