National Weather Service United States Department of Commerce

Coastal/Great Lakes Forecasts (Select Area of Interest)



map of United States, showing where marine weather forecast zones are located


Maps of all NWS Marine Forecast and Warning Zones

Coastal and Great Lakes forecasts are subdivided by zone, each identified by text description and a Universal Generic Code (UGC). The entire text of these forecasts may be found at NWS Marine Text Forecasts and Products Listing which also serves as an alternate source of data. These forecasts are produced by National Weather Forecast Offices with marine forecast responsibility. 

Similar webpages for Offshore Marine Forecasts by Zone and High Seas Forecasts are also available.

These forecasts are also available via e-mail

NOTICE - Check time and date of forecasts. Linked data may not represent the latest forecast.

NWS Internet is available 24 hours a day, seven days a week . Timely delivery of data and products through the Internet is not guaranteed. Official NWS dissemination systems which can provide timely delivery of data and products are listed in our DISCLAIMER

This is NOT a complete listing of National Weather Service marine forecast products. See the NWS Marine Weather Services  homepage which contains information on the dissemination of NWS marine weather forecasts including frequency and broadcast schedule information as well as links to products and related information.