National Weather Service United States Department of Commerce

About NDFD Graphics

The National Weather Service's NDFD graphic products are derived from a prescribed set of data contained within the NDFD ( These graphics are representations of the official NWS digital forecast. Forecast information for the Canadian portion of the Great Lakes is for informational purposes only and does not constitute an official forecast. Forecasts for the high seas areas of the Atlantic are experimental.

NDFD database image NDFD temperature map

Detailed information about NDFD data can be found at