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

Condensed version of this page showing only the latest charts (no color charts available)
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: 24.1K - Updated: Wed May 22 14:17:35 2013 UTC
00Z Wind/Wave Analysis 40W-98W NW Atlantic     Size: 25.2K - Updated: Thu May 23 01:02:47 2013 UTC
12Z Wind/Wave Analysis 40W-98W NW Atlantic     Size: 28.7K - Updated: Wed May 22 13:36:33 2013 UTC
24HR Wind/Wave Forecast VT00Z 40W-98W NW Atlantic     Size: 24.5K - Updated: Thu May 23 05:22:15 2013 UTC
24HR Wind/Wave Forecast VT12Z 40W-98W NW Atlantic     Size: 24.1K - Updated: Wed May 22 18:14:41 2013 UTC
48HR Wind/Wave Forecast VT00Z 10E-95W NW Atlantic     Size: 27.1K - Updated: Thu May 23 09:04:43 2013 UTC
48HR Wind/Wave Forecast VT12Z 10E-95W NW Atlantic     Size: 24.8K - Updated: Wed May 22 18:28:16 2013 UTC
48HR Wave Period Forecast VT00Z 10E-95W NW Atlantic     Size: 28.1K - Updated: Thu May 23 04:59:36 2013 UTC
48HR Wave Period Forecast VT12Z 10E-95W NW Atlantic     Size: 28.3K - Updated: Wed May 22 16:57:07 2013 UTC
96HR Wind/Wave Forecast VT12Z 10E-95W NW Atlantic     Size: 32.4K - Updated: Wed May 22 20:44:12 2013 UTC
96HR Wave Period Forecast VT12Z 10E-95W NW Atlantic     Size: 28.1K - Updated: Wed May 22 17:01:38 2013 UTC

SURFACE CHARTS
 

00Z Prelim Surface Analysis 45W-85W NW Atlantic     Size: 35.6K - Updated: Thu May 23 01:34:28 2013 UTC
06Z Prelim Surface Analysis 45W-85W NW Atlantic     Size: 35.4K - Updated: Thu May 23 07:34:04 2013 UTC
12Z Prelim Surface Analysis 45W-85W NW Atlantic     Size: 34.5K - Updated: Wed May 22 13:32:02 2013 UTC
18Z Prelim Surface Analysis 45W-85W NW Atlantic     Size: 35.6K - Updated: Wed May 22 19:36:08 2013 UTC
00Z Surface Analysis Part 1 10E-45W NW Atlantic     Size: 29.4K - Updated: Thu May 23 02:47:23 2013 UTC
00Z Surface Analysis Part 2 40W-95W NW Atlantic     Size: 31.7K - Updated: Thu May 23 02:47:23 2013 UTC
06Z Surface Analysis Part 1 10E-45W NW Atlantic     Size: 28.6K - Updated: Thu May 23 08:37:35 2013 UTC
06Z Surface Analysis Part 2 40W-95W NW Atlantic     Size: 32.0K - Updated: Thu May 23 08:37:35 2013 UTC
12Z Surface Analysis Part 1 10E-45W NW Atlantic     Size: 29.9K - Updated: Wed May 22 15:03:02 2013 UTC
12Z Surface Analysis Part 2 40W-95W NW Atlantic     Size: 32.0K - Updated: Wed May 22 15:07:33 2013 UTC
18Z Surface Analysis Part 1 10E-45W NW Atlantic     Size: 29.1K - Updated: Wed May 22 20:53:13 2013 UTC
18Z Surface Analysis Part 2 40W-95W NW Atlantic     Size: 30.5K - Updated: Wed May 22 20:53:15 2013 UTC
24HR Surface Forecast VT00Z 40W-98W NW Atlantic     Size: 20.6K - Updated: Thu May 23 04:18:46 2013 UTC
24HR Surface Forecast VT12Z 40W-98W NW Atlantic     Size: 20.6K - Updated: Wed May 22 16:29:49 2013 UTC
48HR Surface Forecast VT00Z 10E-95W NW Atlantic     Size: 27.3K - Updated: Thu May 23 09:04:44 2013 UTC
48HR Surface Forecast VT12Z 10E-95W NW Atlantic     Size: 26.1K - Updated: Wed May 22 18:05:38 2013 UTC
96HR Surface Forecast VT12Z 10E-95W NW Atlantic     Size: 28.6K - Updated: Wed May 22 19:27:05 2013 UTC

UPPER AIR CHARTS
 

00Z 500MB Analysis 10E-95W NW Atlantic     Size: 25.8K - Updated: Thu May 23 00:35:43 2013 UTC
12Z 500MB Analysis 10E-95W NW Atlantic     Size: 25.8K - Updated: Wed May 22 13:09:22 2013 UTC
24HR 500MB Forecast VT00Z 10E-95W NW Atlantic     Size: 24.6K - Updated: Thu May 23 04:32:22 2013 UTC
24HR 500MB Forecast VT12Z 10E-95W NW Atlantic     Size: 25.1K - Updated: Wed May 22 16:43:29 2013 UTC
36HR 500MB Forecast VT00Z 10E-95W NW Atlantic     Size: 25.0K - Updated: Wed May 22 16:34:20 2013 UTC
36HR 500MB Forecast VT12Z 10E-95W NW Atlantic     Size: 25.5K - Updated: Thu May 23 04:23:18 2013 UTC
48HR 500MB Forecast VT00Z 10E-95W NW Atlantic     Size: 25.9K - Updated: Thu May 23 04:27:50 2013 UTC
48HR 500MB Forecast VT12Z 10E-95W NW Atlantic     Size: 26.2K - Updated: Wed May 22 16:38:54 2013 UTC
96HR 500MB Forecast VT12Z 10E-95W NW Atlantic     Size: 25.2K - Updated: Wed May 22 18:50:51 2013 UTC

TROPICAL CYCLONE/HIGH WIND WAVE CHARTS

Tropical Cyclone Danger Area VT03Z 05N-60N 00W-100W     Size: 23.1K - Updated: Thu May 23 03:05:30 2013 UTC
Tropical Cyclone Danger Area VT09Z 05N-60N 00W-100W     Size: 23.1K - Updated: Thu May 23 09:04:44 2013 UTC
Tropical Cyclone Danger Area VT15Z 05N-60N 00W-100W     Size: 23.1K - Updated: Wed May 22 15:21:05 2013 UTC
Tropical Cyclone Danger Area VT21Z 05N-60N 00W-100W     Size: 23.1K - Updated: Wed May 22 21:47:43 2013 UTC

ICE CHART

Latest USCG Ice Limits Chart (During Ice Season)     Size: 142.0K - Updated: Wed May 22 20:21:31 2013 UTC

SATELLITE IMAGERY

00Z GOES IR Satellite Image, West Atlantic     Size: 188.3K - Updated: Thu May 23 00:58:16 2013 UTC
06Z GOES IR Satellite Image, Atlantic     Size: 253.4K - Updated: Thu May 23 06:39:48 2013 UTC
12Z GOES IR Satellite Image, West Atlantic     Size: 188.3K - Updated: Wed May 22 13:00:20 2013 UTC
18Z GOES IR Satellite Image, Atlantic     Size: 253.4K - Updated: Wed May 22 18:05:38 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