National Weather Service (National Oceanic and Atmospheric Administration)
The National Weather Service provides weather, hydrologic, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas. On this page, boaters can gain access to marine and river forecasts as well as weather information.
Weather Services International (WSI)
Weather Services International detects, forecasts, and depicts disruptive weather across the nation and international waters. The business arm of the U.S. National Weather Service, Weather Services International maintains the world’s largest commercial meteorological database, incorporating data from the National Weather Service, military, and other agencies. Boaters will find detailed information and maps for local, national, and global weather. Weather Services International forecasts storms (tornados, cyclones, hurricanes) in the Pacific and Atlantic oceans and features satellite images of storms.
Tide and Currents
This is a portal to tidal data and charts, current observations, and meteorological information. The Center for Operational Oceanographic Products and Services gathers oceanographic data that support safe maritime commerce, sound coastal management, and safe recreational boating across the United States. Visit the site to find accurate, reliable, and timely water-level and current measurements.
Tides and Currents
Boater Information System
This Web site provides a map that combines weather and oceanographic information to help boaters visualize all the conditions that might affect them.
The U.S. Coast Guard and National Oceanic and Atmospheric Administration provide information to help mariners safely navigate around bars. Information is updated every four hours or when local bar conditions change.