Offers recent and historical observations recorded by the National Oceanic and Atmospheric Administration (NOAA) and administered by the National Weather Service of the United States.

Offers global, regional, and site specific forecasting based upon aggregate wind barb, current and sea surface temperature (SST) data.

Generates predictions for harmonic tide and current conditions. Features links to related resources. Hosted by the Department of Biological Sciences, University of South Carolina.

Find forecasts based upon station plot maps divided by region. Generated by the Weather Research Center.

Provides sailing forecasts based upon weather and wind. Find satellite and radar imagery, and links.

Provides forecasts for small craft surface operations. Includes 12 and 24 hour prediction maps for US coastal waters.

Offers swell period charts and off shore wave height maps, as well as infrared, satellite and radar images.

Offers information on wind and current conditions for US and Canadian waterways.

Provides information on the wreck of the Edmund Fitzgerald and the fall storm season on the Great Lakes. Find forecast and warnings definitions and related links. Hosted by the Marquette, Michigan National Weather Service.

Provides forecast map of US waters based upon wind speed and mean-sea-level pressure (MSLP) data. Also features links to forecasts for major US ports.