Marine, Tropical and Tsunami Services Branch
National Program
The latest version of marine weather charts for broadcast by the U.S. Coast Guard are available from the National Weather Service Telecommunication Gateway on this server. The listed charts are in the G4 (T4) format and enveloped in TIFF for viewing, also available in GIF format. Satellite images are in JPEG format.
Reports from mariners of both poor AND good radio reception , as well as any other comments about weather broadcast services and forecast products are always greatly appreciated. Please be specific as possible noting your location, equipment/software used, date(s), time(s), frequency(s), mode (fax, voice, NAVTEX, etc.), signal strength, and problem observed (e.g. interference, noise, sync loss, echoes, etc), product name ( e.g. high seas text forecast for METAREA IV, if internet state link, etc. ). Send your comments to: Questions, Comments?.
Effective September 4, 2018, the radiofax broadcast schedule for Boston (NMF) was adjusted to include 72 hour forecast products for surface, wind/wave and 500 mb charts for the North Atlantic.
SIZE and UPDATED... refer to .TIF version of files
Expanded version of this page which includes a 24 hour archive.
Printer Friendly Weather Briefing for the NW Atlantic showing the latest charts
Product Loops
Radiofax Information
Worldwide Marine Radiofacsimile Broadcast Schedules (PDF)
These products also available via E-mail or FTP
Radiofacsimile User's Guide
Key Terms and Symbols for these charts
Missed Charts for the Current Month(if any)
Historic Weather and Satellite Data
Ice Chart | ||
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Latest USCG Ice Limits Chart (During Ice Season) |
Satellite Imagery | |
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00/06/12/18Z GOES IR Satellite Image, W Atlantic or Atlantic |
Schedule and Miscellaneous | ||
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Radiofax Schedule, Boston, MA (DOS Text Version) | ||
Request for Comments | ||
Product Notice Bulletin | ||
Test Message | ||
Internet File Names |
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Marine, Tropical and Tsunami Services Branch
1325 East-West Hwy, 13th floor
Communications Office
Silver Spring, MD 20910
Comments? Questions? Please Contact Us.