Marine, Tropical and Tsunami Services Branch
National Program
High Seas Forecasts/Scheduled Issuance Times | |||||
---|---|---|---|---|---|
HSFAT1: 4 | West Atlantic (GMDSS METAREA IV) | 0430z | 1030z | 1630z | 2230z |
HSFAT2: 1 | Tropical Atlantic | 0415z | 1015z | 1615z | 2215z |
HSFEPI | East Pacific (GMDSS METAREA XII) | 0545z | 1145z | 1745z | 2345z |
HSFEP1: 2 | Northeast Pacific | 0430z | 1030z | 1630z | 2230z |
HSFNP: 2 | North Mid-Pacific | 0445z | 1045z | 1645z | 2245z |
HSFEP2: 2,3 | Mexico High Seas | 0400z | 1000z | 1600z | 2200z |
HSFSP | South Mid-Pacific | 0515z | 1115z | 1715z | 2315z |
1. Part of HSFAT1 2. Part of HSFEPI 3. Part of HSFEP1 4. As per Notices to Mariners 47/09, excludes Hudson Bay area. |
U.S. high seas marine text forecasts are prepared jointly by the Ocean Prediction Center(OPC), National Hurricane Center(NHC) and Honolulu Forecast Office(HFO). The map above contains the description for each of these high seas forecast areas. Several high seas forecast products combine these areas. See table below for a more detailed explanation. Similar webpages for Offshore Marine Forecasts by Zone are available. These forecasts are also available via e-mail
If you are interested in international high seas forecasts, the Worldwide Met-Ocean Information and Warning Service (WWMIWS) of the World Meteorological Organization (WMO) is a good resource.
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 Marine Forecasts 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.
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National Oceanic and Atmospheric Administration
National Weather Service
Marine, Tropical and Tsunami Services Branch
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