National Weather Service United States Department of Commerce

NWS Radiofax Charts for the NW Atlantic

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


 

Wind/Wave Charts
12Z Sea State Analysis 10E-95W NW Atlantic TIFF image GIF image  
00/06/12/18Z Wind/Wave Analysis 40-98NW Atlantic TIFF image GIF image  
24HR Wind/Wave Forecast VT00/12Z 40-98NW Atlantic TIFF image GIF image  
48HR Wind/Wave Forecast VT00/12Z 10E-95W NW Atlantic TIFF image GIF image  
48HR Wave Period Forecast VT00/12Z 10E-95W NW Atlantic TIFF image GIF image  
72HR Wind/Wave Forecast VT12Z 10E-95W NW Atlantic TIFF image GIF image GIF image
72HR Wave Period Forecast VT12Z 10E-95W NW Atlantic TIFF image GIF image GIF image
96HR Wind/Wave Forecast VT12Z 10E-95W NW Atlantic TIFF image GIF image  
96HR Wave Period Forecast VT12Z 10E-95W NW Atlantic TIFF image GIF image  

 

Surface Charts
00/06/12/18Z Prelim Surface Analysis 45W-85W NW Atlantic TIFF image GIF image  
00/06/12/18Z Surface Analysis Part 1 10E-45W NW Atlantic TIFF image GIF image  
00/06/12/18Z Surface Analysis Part 2 40W-95W NW Atlantic TIFF image GIF image  
24HR Surface Forecast VT00/12Z 40-98NW Atlantic TIFF image GIF image  
48HR Surface Forecast VT00/12Z 10E-95W NW Atlantic TIFF image GIF image  
72HR Surface Forecast VT12Z 10E-95W NW Atlantic TIFF image GIF image GIF image
96HR Surface Forecast VT12Z 10E-95W NW Atlantic TIFF image GIF image  

 

Upper Air Charts
00/12Z 500MB Analysis 10E-95W NW Atlantic TIFF image GIF image  
24HR 500MB Forecast VT00/12Z 10E-95W NW Atlantic TIFF image GIF image  
36HR 500MB Forecast VT00/12Z 10E-95W NW Atlantic TIFF image GIF image  
48HR 500MB Forecast VT00/12Z 10E-95W NW Atlantic TIFF image GIF image  
72HR 500MB Forecast VT12Z 10E-95W NW Atlantic TIFF image GIF image GIF image
96HR 500MB Forecast VT12Z 10E-95W NW Atlantic TIFF image GIF image  

 

Tropical Cyclone/High Wind Wave Charts
Tropical Cyclone Danger Area VT03/09/15/21Z 05N-60N 00W-100W TIFF image GIF image
* Tropical Cyclone Danger Area chart replaced by 48HR High Wind/Wave Warning
chart Dec 01 - May 14 Valid times 00z,06z,12z and 18z, Map area 05N-40N, 35W-100W

 

Ice Chart
Latest USCG Ice Limits Chart (During Ice Season) TIFF image GIF image

 

Satellite Imagery
00/06/12/18Z GOES IR Satellite Image, W Atlantic or Atlantic JPG image

 

Schedule and Miscellaneous
Radiofax Schedule, Boston, MA (DOS Text Version) TEXT file  
Request for Comments TIFF image GIF image
Product Notice Bulletin TIFF image GIF image
Test Message TIFF image GIF image
Internet File Names TEXT file