Coastal Services Center  NOAA's site for Coastal Marine weather.

Regional Ocean Forecast System  Daily nowcasts and short-term forecasts of ocean properties for the coast of the United States. Based on hydrodynamic, three-dimensional ocean circulation model driven at the ocean surface boundary by heat, moisture, and momentum fluxes.

Great Lakes Forecasting System Developed by The Ohio State University  and NOAA this system makes regularly scheduled predictions of the physical and related variables of the Great Lakes

National Data Buoy Center Weather The premier source of meteorological and oceanographic measurements for the marine environment from NOAA.

Ocean Prediction Center This site combines the efforts of four different government agencies to provide the most comprehensive service of any of the government marine websites.

Marine Weather.Com  Developed by boaters for boaters. Marine Weather Forecast & Warnings, Radar, Satellite Images, Full Hurricane Information, Wave Heights, Winds, Marine Classified Ads,Tides, Marine

. Marine Prediction Center Forecasts Products

Commanders Weather Service  This company provides weather data and forecasts to Sailors around the world including many of those in the "Whitbread Around the World Race".

Ocean Modeling Branch NOAA's agency responsible for development of weather, marine, and climate prediction modeling and analysis systems.

Offshore Weather Data Raw Ocean weather data and maps from Penn State's Earth and Mineral Sciences Section

U. S. National Weather Service Marine and Coastal Weather Services page.  Many marine forecasts and other marine weather related products.

Intellicast Boat and Beach  Navigation, Marine Forecasts, and charts from Intellicast.