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NATIONAL WEATHER SERVICE MARINE PRODUCTS VIA USCG MF VOICE

2182    kHz  (Present calling frequency)
2187.5 kHz  (Future calling frequency)
2670    kHz

The U.S. Coast Guard broadcasts National Weather Service offshore forecasts and storm warnings of interest to the mariner on 2670 kHz following an initial announcement on 2182 kHz. Typical transmission range is 50-150 nautical miles during the day and 150-300 nautical miles at night. These broadcasts are prepared by the Ocean Prediction Center, Tropical Prediction Center, Anchorage Forecast Office and Honolulu Forecast Office. Visit the U.S. Coast Guard Maritime Telecommunications Information webpage for further information on Coast Guard telecommunications. See tables below for a listing of current broadcast schedules of U.S. Coast Guard Groups performing medium frequency (MF) voice broadcasts.

In the state of Alaska, medium frequency voice broadcasts, are performed from National Weather Service Forecast Offices on a MF/HF frequency of 4125 kHz .

A Listing of NWS Marine Products Broadcast via U.S. Coast Guard MF Voice   is available.

Click here to listen to a typical USCG MF voice broadcast.

Refer to NGA Publication 117, which is updated through the Notice to Mariners, for the latest official listing of U.S. Coast Guard broadcast schedules. The British Admiralty List of Radio Signals , is an excellent reference source for weather broadcast information.

All NWS marine forecasts rely heavily on the Voluntary Observing Ship (VOS) program for obtaining meteorological observations.

All broadcasts in the upper sideband (USB) mode.

First Coast Guard District   MF Voice Weather Broadcast
Sector Field Office (SFO) Southwest Harbor Parent Command – Sector Northern New England	1135z, 2335z
Sector Northern New England	1105z, 2305z
Sector Boston	1035z, 2235z
Sector Southeastern New England	0440z, 1640z
SFO Moriches – Parent Command – Sector Long Island Sound	0010z, 1210z
Sector Long Island Sound	none
Sector New York	none

 

Fifth Coast Guard District   MF Voice Weather Broadcast
SFO Atlantic City - Parent Command – Sector Delaware Bay	1103z, 2203z
Sector Delaware Bay	none
Sector Baltimore	none
SFO Eastern Shore – Parent Command – Sector Hampton Roads	0233z, 1403z
Sector Hampton Roads	0203z, 1333z
SFO Cape Hatteras – Parent Command – Sector North Carolina	0133z, 1303z
Sector North Carolina	0103z, 1233z

 

Seventh Coast Guard District   MF Voice Weather Broadcast
Sector Charleston	0420z, 1620z
Sector Jacksonville	0620z, 1820z
Sector Miami	0350z, 1550z
Sector Key West	none
Sector San Juan	0305z, 1505z
Sector St. Petersburg	0320z, 1420z

 

Eighth Coast Guard District   MF Voice Weather Broadcast
Group Ohio Valley	none
Sector Upper Mississippi River	none
Sector Lower Mississippi River	none
Sector Mobile	1020z, 1220z, 1620z, 2220z
Sector New Orleans	0550z, 1035z, 1235z, 1635z, 2235z
Sector Houston-Galveston	1050z, 1250z, 1650z, 2250z
Sector Corpus Christi	1040z, 1240z, 1640z, 2240z

 

Ninth Coast Guard District   MF Voice Weather Broadcast
Sector Buffalo	none
Sector Detroit	none
Sector Sault Ste. Marie	none
SFO Grand Haven - Parent Command – Sector Lake Michigan		none
Sector Lake Michigan	none

 

Eleventh Coast Guard District   MF Voice Weather Broadcast
Group/Airstation Humboldt Bay	0303z, 1503z
Sector San Francisco	0203z, 1403z
Sector Los Angeles/Long Beach	0503z, 1303z, 2103z
Sector San Diego	none

 

Thirteenth Coast Guard District   MF Voice Weather Broadcast
Sector Seattle	none
Group/Airstation Port Angeles	0615z, 1815z
Group/Airstation Astoria	0533z, 1733z
Sector Portland	none
Group/Airstation North Bend	0603z, 1803z

 

Fourteenth Coast Guard District   MF Voice Weather Broadcast
Sector Honolulu	0545z, 1145z, 1745z, 2345z
Sector Guam	0705z, 2205z

 

Seventeenth Coast Guard District   MF Voice Weather Broadcast
Sector Juneau	none
Communications Station Kodiak	none
Marine Safety Unit (MSU) Valdez – Parent Command – Sector Anchorage	none