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 Kodiak (NOJ) was adjusted to include 72 hour forecast products for surface and wind/wave charts for Alaska/Arctic (Kodiak)
SIZE and UPDATED... refer to .TIF version of files
Many of these charts are also broadcast from Pt. Reyes, CA and Honolulu, HI
Expanded version of this page which includes a 24 hour archive Printer Friendly Weather Briefing for Alaska 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
Historic Weather and Satellite Data
| Wind/Wave Charts | |||
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| 00Z Sea State Analysis 20N-70N, 115W-135E |  |
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| 24HR Wind/Wave Forecast VT00/12Z 40N-70N, 115W-170E | |
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| 48HR Wind/Wave Forecast VT00/12Z 20N-70N, 115W-135E | |
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| 48HR Wave Period/Swell Dir VT00/12Z 20N-70N, 115W-135E | |
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| 72HR Wind/Wave Forecast VT12Z 43N-80N 105W-135E | |
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| 72HR Wind/Wave Forecast VT12Z 20N-70N 115W-135E | |
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| 72HR Wave Period/Direction VT12Z 20N-70N 115W-135E | |
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| 96HR Wind/Wave Forecast VT12Z 20N-70N, 115W-135E | |
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| 96HR Wave Period/Swell Dir VT12Z 20N-70N, 115W-135E | |
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| Surface Charts | |||
|---|---|---|---|
| 00/06/12/18Z Surface Analysis N Pacific 40N-70N, 150E-125W | |
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| 24HR Surface Forecast VT00/12Z 40N-70N, 115W-170E | |
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| 48HR Surface Forecast VT00/12Z 20N-70N, 115W-135E | |
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| 72HR Sfc Forecast VT12Z 43N-80N 105W-135E | |
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| 72HR Sfc Forecast VT12Z 20N-70N 115W-135E | |
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| 96HR Surface Forecast VT12Z 20N-70N, 115W-135E | |
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| Upper Air Charts | |||
|---|---|---|---|
| 00/12Z 500 MB Analysis 20N-70N, 115W-135E | |
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| 24HR 500MB Forecast VT00/12Z 20N-70N, 115W-135E | |
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| 48HR 500MB Forecast VT00/12Z 20N-70N, 115W-135E | |
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| 72HR 500MB Forecast VT12Z 20N-70N, 115W-135E | |
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| 96HR 500MB Forecast VT12Z 20N-70N, 115W-135E | |
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| Sea Surface Temperatures | |||
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| Sea Surface Temperature Analysis | |
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| Satellite Imagery | |
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| 00/06/12/1818Z GOES IR Satellite Image, Pacific |  |
| Ice Charts | |||
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| Sea Ice Analysis | |
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| 5 Day Sea Ice Forecast | |
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| Cook Inlet Sea Ice Analysis | |
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| Schedule and Miscellaneous | ||
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| Radiofax Schedule (DOS Text Format) |  |
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| Test Message | |
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| Internet File Names | |
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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.
