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Voluntary Marine Observations Peak water level observations at NOS stations during past tropical cyclones Dissemination NWS Dissemination Methods USCG Broadcasts GMDSS Commercial Marine Services Radar Product Distribution NOAA Weather Satellites Marine Forecasts Via Telephone Recordings NWS Dissemination Methods USCG Broadcasts Commercial Marine Services Radar Product Distribution NOAA Weather Satellites Marine Forecasts Via Telephone Recordings Graphic Products U.S. Weather Maps NDFD Graphical Forecasts Experimental Beach Forecast NOAA NowCoast Model Guidance Great Lakes Portal Experimental Marine Graphical Composite Forecast maps - Tropical North Atlantic Experimental Marine Graphical Composite Forecast maps - Eastern North Pacific Tampa Bay Marine Channel Forecast Mobile Bay Marine Channel Forecast U.S. Weather Maps NDFD Graphical Forecasts Experimental Beach Forecast Great Lakes Portal Experimental Marine Graphical Composite Forecast maps - Tropical North Atlantic Experimental Marine Graphical Composite Forecast maps - Eastern North Pacific Tampa Bay Marine Channel Forecast Mobile Bay Marine Channel Forecast Get Products via Email Get Marine Text and Graphic Products via Email Get Marine Text and Graphic Products via Email Important Information News Headlines History of NWS Marine Program U.S. Coast Guard Mobile App Marine Communications - BoatU.S. Foundation Weather For Boaters - BoatU.S. Foundation How EPIRBS Work - BoatU.S. Foundation Registering your EPIRB Saved by the Beacon - Safe Boating Council Search and Rescue Satellite Aided Tracking Amateur Radio Coastal Warning Display Program History of NWS Marine Program U.S. Coast Guard Mobile App Marine Communications - BoatU.S. Foundation Weather For Boaters - BoatU.S. Foundation How EPIRBS Work - BoatU.S. Foundation Registering your EPIRB Saved by the Beacon - Safe Boating Council Search and Rescue Satellite Aided Tracking Coastal Warning Display Program The National Weather Service (NWS) Marine Weather Services offers a broad range of marine forecast and warning products in graphical and text (low bandwidth) formats (See Tabs above). The NWS provides forecasts and warning services for the coastal waters along the mainland of the continental U.S., the Great Lakes and the Offshore and High Seas waters of the North Atlantic and North Pacific Oceans. Links to forecasts, warnings and products related to tropical cyclones and sea ice are near the bottom of the page. The program also provides important Tsunami information. You can also get an hourly marine forecast for a single point and marine channel forecasts for Tampa, FL and Mobile Bay, AL . Read our blog for important changes and news within the NWS marine, tropical and tsunami programs. Click here for the latest maps of official NWS marine forecast and warning zones (includes any recent changes to coastal, offshore and high seas zones). Clicking on an area of interest on the map below will take you to marine webpages of Weather Forecast Offices (WFOs) and to a web portal for the Great Lakes. Here is a list of NWS offices by region. 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