Lunar Tides - Learn how the Moon is associated with the Earth's oceans' tides.
Oceanographic Products and Services Division (OPSD) - Collects, analyzes, and distributes historical and real-time observations and predictions of water levels, coastal currents, and other meteorological and oceanographic data.
Saltwatertides.com - Tide, sunrise, and moonrise predictions for locations around the U.S. coastline.
Tidal Information Page - Calculates tides from the present for up to 30 days in the future for cities in the United States, Australia, and Canada.