Predicting the Mighty Ocean
Published 2024-12-13
The Tropical Analysis and Forecast Branch of the National Hurricane Center plays an important role in marine forecasting and warning within the NWS's marine services program.
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The Tropical Analysis and Forecast Branch of the National Hurricane Center plays an important role in marine forecasting and warning within the NWS's marine services program.
Introduction to METAREAs and METAREA Coordinators
Links to notices describing marine forecast and warning zone changes being implemented in March 2023.
The National Hurricane Center will be hosting their 2nd annual live webinar on weather forecasting geared toward blue water mariners. These are available for up to 250 mariners with no cost to participants through GoToMeeting video conferencing. To sign up, register on-line at the links shown below the date/time of each.
Be ready for hurricane season. Today you can determine your personal hurricane risk, find out if you live in a hurricane evacuation zone, and review/update insurance policies.
The series will begin on May 3rd with a presentation by NHC Director Ken Graham on the record setting 2020 hurricane season. He will be joined by USAID’s Tim Callaghan who will discuss the USAID response in Central America to Hurricanes Eta and Iota, and Roger Erikson of WFO Lake Charles who will talk about the impacts of the 2020 season in southwestern Louisiana.
Effective May 17, 2021, the NWS will discontinue the Marine Weather Discussion text product issued by the National Hurricane Center. This product provided the scientific rationale behind NHC's Offshore Waters Forecast for the Gulf of Mexico, Caribbean Sea, and western North Atlantic to summarize the warnings in effect.
The NWS is soliciting public comments through April 1, 2022, on experimental Track and Error Cone Graphics provided by the Central Pacific Hurricane Center (CPHC) for tropical cyclones (TC) in the South Pacific and western North Pacific basins. These forecasts are issued by the Joint Typhoon Warning Center (JTWC).
The NWS is seeking feedback through April 1, 2022, on experimental Tropical Cyclone Wind Speed Probability Graphics based on forecasts from the Joint Typhoon Warning Center (JTWC) for tropical cyclones in the South Pacific and western North Pacific basins. These graphics will be issued by the NWS Central Pacific Hurricane Center (CPHC).
The NWS is soliciting public comments through April 1, 2022, on experimental graphics provided by the Central Pacific Hurricane Center (CPHC) that project the arrival time of tropical-storm-force winds for tropical cyclones in the South Pacific and western North Pacific basins based on Joint Typhoon Warning Center (JTWC) forecasts.
Effective on or around June 1, 2021, Weather Forecast Office (WFO) Honolulu will add the ability to issue an Extreme Wind Warning (EWW) based upon the same criteria as WFOs in the Atlantic basin.
The NWS National Centers for Environmental Prediction’s (NCEP) Ocean Prediction Center (OPC) will be discontinuing the Marine Weather Discussion (MIM) text product with the last issuance of the product on Thursday, April 29, 2021 around 2200 UTC.
Through April 21, 2021, the NWS Southern Region is soliciting feedback on a proposal to discontinue the Small Craft Exercise Caution (SCEC) headline in the Coastal Waters Forecast text product.
On 03/09/2021 the NDBC primary processing servers were shut off due to a facilities issue. Station pages on the NDBC website (https://www.ndbc.noaa.gov/) are not updating and there is no expected time of return at this time. We will update this banner as we learn more.
The NWS is collecting comments through October 30, 2020, on proposed changes to its Tsunami Advisory products. This proposal is part of the broader Hazard Simplification effort within NWS.
On September 1, 2020, the NWS Alaska Sea Ice Program (ASIP) will formally rename its Sea Ice Advisory product as the Sea Ice Forecast product.
NWS proposes to rename the Small Craft advisory to Small Craft Warning instead of converting it to a plain-language statement as is planned for other NWS Advisories. The NWS regional criteria for issuing Small Craft Warnings would remain the same as it is for Small Craft Advisories.
As the core outcome of the Hazard Simplification (Haz Simp) project, the NWS is collecting comments through August 21, 2020, on the proposed discontinuation of "Advisory," "Special Weather Statement," and "Short Term Forecast" headlines.
The NWS and the National Safe Boating Council will partner again this year for National Safe Boating Week, May 16-22, 2020.
Through May 24, 2020, the NWS is soliciting specific feedback on the proposal to change a Small Craft Advisory product to a Small Craft Warning product, including the headlines.
Effective April 22, 2020, the Surf Zone Forecast (SRF) issued by coastal and Great Lake Weather Forecast Offices (WFO) will be provided in a consistent format. The SRF provides valuable and life-saving information about hazards in the surf zone to all populations along the beach. These populations includes the public as well as providers of beach safety services such as lifeguards.
New service to help keep mariners safe in hurricane-prone areas
NWS Radiofax webpages using the address https://tgftp.nws.noaa.gov/fax/ have moved to a new location. Here is a listing of URLs for those webpages that will not work in the near future and a new link to view NWS radiofax charts on the NWS Marine Weather Services website (homepage is: https://www.weather.gov/marine)
The NWS is soliciting comments until February 20, 2020, on discontinuing the National Hurricane Center Spanish translation of the Tropical Cyclone Discussion for the Atlantic Basin.
The NWS is soliciting comments through January 17, 2020, on a proposal for the National Hurricane Center (NHC), the Central Pacific Hurricane Center (CPHC), and the Weather Prediction Center (WPC) to begin issuing 60-hour forecasts for tropical cyclones when applicable.
WFO Caribou, ME will implement new marine forecast zones on March 3, 2020.
Effective on or around December 31, 2019, the NWS will redirect users of the current NWS Marine Forecasts website (https://www.nws.noaa.gov/om/marine/home.htm) to the new NWS Marine Weather Services website (https://www.weather.gov/marine/). The NWS Marine Forecasts website server will be shut down on January 28 2020.
The NWS is accepting public comments until April 1, 2020, on the Experimental Beach Forecast Webpages and Experimental Rip Current Risk Graphics from participating Weather ForecastOffices (WFO).
Effective on or about December 3, 2019, the NWS will consolidate the four Small Craft Advisory products into a single "Small Craft Advisory. The NWS will also reformat marine watch, warning, advisory and statement products into a "What,""Where," "When," "Impacts" format, except for High Seas forecasts and Special Marine Warnings.
The NWS is notifying users of the opportunity to submit comments through November 12, 2019, on the U.S. Coast Guard (USCG) proposal to terminate medium frequency broadcasts of Navigation Telex (NAVTEX) and provide the same information over satellite. The Federal Register Notice, released by the USCG, can be found at the link below.
The U.S. Coast Guard may cease broadcasting Navigational Telex (NAVTEX) over Medium Frequency (MF) after first ensuring the information contained in NAVTEX broadcasts is available via International Maritime Organization (IMO) recognized satellite services. This notice requests public comment on the possibility of terminating the MF NAVTEX broadcast.
Effective on or about Tuesday, September 10, 2019, at 1610 Coordinated Universal Time (UTC), the National Digital Forecast Database (NDFD) will increase the frequency of issuance times for gridded forecasts of marine elements over Atlantic and Pacific offshore waters and high seas forecast areas.
Effective Tuesday, July 9, 2019, the NWS Ocean Prediction Center (OPC) in College Park, MD, will convert legacy .shtml webpages to .php format.
This is a help file for using the NWS FTPMail System.
The purpose of World Oceans Day is to inform the public of the impact of human actions on the ocean, develop a worldwide movement of citizens for the ocean, and mobilize and unite the world’s population on a project for the sustainable management of the world's oceans.
Effective July 23, 2019, beginning at 18z Coordinated Universal Time (UTC), the new National Ocean Service(NOS) operational forecast systems (OFS) for the Cook Inlet (CIOFS) and for the two Great Lakes of Michigan and Huron (LMHOFS) will be implemented.
The National Weather Service (NWS) is seeking comments on Experimental Modernized Open Lakes Forecast for the Great Lakes through November 30, 2019.
The NWS is seeking comments until December 31, 2019, on the Experimental NWPS Gulf Stream Forecast Guidance Webpage from Weather Forecast Office Miami, FL (MFL):
Transition Lake Erie Harmful Algal Bloom Web Page to Operational Status Effective May 1, 2019
Temporary NWS NDBC outages for some C-MAN stations projected to occur on or after April 6, 2019
Key news items for mariners
Fetched URL: http://weather.gov/marine/blog
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