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?.

USCG to continue HF weather broadcasts via radiofax, voice, and SITOR

Beginning Feb 01, 2012 at 1810 UTC , the HF radiofacsimile broadcast times for the North American Ice Service chart from Boston will change from 0438z, 1600z and 1810z to 0438z, 1039z, 1600z and 2239z. The 1810z slot will be used to broadcast experimental weather products. Additional ice products are available at http://ice-glaces.ec.gc.ca and http://www.navcen.uscg.gov/iip. The International Ice Patrol can be contacted at iipcomms(at)uscg.mil or by phone at 860-271-2626. The Canadian Ice Service can be contacted at iceberg(at)ec.gc.ca or by phone at 613-996-1617.

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
Caution

• WIND/WAVE CHARTS
• SURFACE CHARTS
• UPPER AIR CHARTS
• TROPICAL CYCLONE/HIGH WIND WAVE CHARTS
• ICE CHART
• SATELLITE IMAGERY
• SCHEDULE and MISCELLANEOUS

12Z Sea State Analysis 10E-95W NW Atlantic     Size: 22.2K - Updated: Mon May 20 14:51:54 2013 UTC
00/12Z Wind/Wave Analysis 40-98NW Atlantic     Size: 27.5K - Updated: Mon May 20 13:35:01 2013 UTC
24HR Wind/Wave Forecast VT00/12Z 40-98NW Atlantic     Size: 23.8K - Updated: Mon May 20 18:25:01 2013 UTC
48HR Wind/Wave Forecast VT00/12Z 10E-95W NW Atlantic     Size: 24.1K - Updated: Mon May 20 18:25:01 2013 UTC
48HR Wave Period Forecast VT00/12Z 10E-95W NW Atlantic     Size: 28.8K - Updated: Mon May 20 17:05:02 2013 UTC
96HR Wind/Wave Forecast VT12Z 10E-95W NW Atlantic     Size: 27.0K - Updated: Mon May 20 19:47:54 2013 UTC
96HR Wave Period Forecast VT12Z 10E-95W NW Atlantic     Size: 28.5K - Updated: Mon May 20 16:59:40 2013 UTC

SURFACE CHARTS
 

00/06/12/18Z Prelim Surface Analysis 45W-85W NW Atlantic     Size: 35.6K - Updated: Mon May 20 19:35:01 2013 UTC
00/06/12/18Z Surface Analysis Part 1 10E-45W NW Atlantic     Size: 27.5K - Updated: Mon May 20 21:05:02 2013 UTC
00/06/12/18Z Surface Analysis Part 2 40W-95W NW Atlantic     Size: 32.5K - Updated: Mon May 20 21:05:02 2013 UTC
24HR Surface Forecast VT00/12Z 40-98NW Atlantic     Size: 21.5K - Updated: Mon May 20 17:10:01 2013 UTC
48HR Surface Forecast VT00/12Z 10E-95W NW Atlantic     Size: 26.8K - Updated: Mon May 20 17:50:01 2013 UTC
96HR Surface Forecast VT12Z 10E-95W NW Atlantic     Size: 26.5K - Updated: Mon May 20 17:35:50 2013 UTC

UPPER AIR CHARTS
 

00/12Z 500MB Analysis 10E-95W NW Atlantic     Size: 25.9K - Updated: Mon May 20 14:00:02 2013 UTC
24HR 500MB Forecast VT00/12Z 10E-95W NW Atlantic     Size: 24.6K - Updated: Mon May 20 16:50:01 2013 UTC
36HR 500MB Forecast VT00/12Z 10E-95W NW Atlantic     Size: 25.5K - Updated: Mon May 20 16:35:03 2013 UTC
48HR 500MB Forecast VT00/12Z 10E-95W NW Atlantic     Size: 25.5K - Updated: Mon May 20 16:40:01 2013 UTC
96HR 500MB Forecast VT12Z 10E-95W NW Atlantic     Size: 26.2K - Updated: Mon May 20 16:27:51 2013 UTC

TROPICAL CYCLONE/HIGH WIND WAVE CHARTS

Tropical Cyclone Danger Area VT03/09/15/21Z 05N-60N 00W-100W     Size: 23.1K - Updated: Mon May 20 21:50:01 2013 UTC

ICE CHART

Latest USCG Ice Limits Chart (During Ice Season)     Size: 147.9K - Updated: Mon May 20 20:37:51 2013 UTC

SATELLITE IMAGERY

00/06/12/18Z GOES IR Satellite Image, W Atlantic or Atlantic     Size: 261.2K - Updated: Mon May 20 18:08:12 2013 UTC

SCHEDULE and MISCELLANEOUS

Radiofax Schedule Part 1 (Boston, MA)     Size: 109.9K - Updated: Tue Mar 12 14:58:21 2013 UTC
Radiofax Schedule Part 2 (Boston, MA)     Size: 116.2K - Updated: Tue Mar 12 14:59:25 2013 UTC
Radiofax Schedule, Boston, MA (DOS Text Version)     Size: 5.1K - Updated: Thu Feb 21 11:48:20 2013 UTC
Radiofax Schedule, Boston, MA (Hyperlinked html version)     Size: 5.1K - Updated: Thu Feb 21 11:48:20 2013 UTC
Request for Comments     Size: 82.8K - Updated: Tue Mar 12 14:59:40 2013 UTC
Product Notice Bulletin     Size: 74.6K - Updated: Tue Mar 12 15:00:30 2013 UTC
Test Message     Size: 8.8K - Updated: Thu Mar 22 15:45:12 2012 UTC
Internet File Names     Size: 8.6K - Updated: Thu Aug 2 13:43:48 2012 UTC