National Weather Service Marine Products via U.S. Coast Guard HF VoiceSource: https://www.weather.gov/marine/uscg_broadcasts
All times in UTC, frequencies in kHz and mode is USB
0005 NMO Honolulu HI: High Seas Forecasts - 8764 13089
0030 NMN Chesapeake VA: Offshore Forecasts - 4426 6501 8764
NMG New Orleans LA: Offshore Forecasts - 4316 8502 12788
0203 NOJ Kodiak AK: High Seas Forecats - 6501
0330 NRV Guam: High Seas Broadcasts - 13089
0430 NMC Point Reyes CA: High Seas Forecasts - 4426 8764 13089
0515 NMN Chesapeake VA: High Seas Forecasts - 4426 6501 8764
NMG New Orleans LA: High Seas Forecasts - 4316 8502 12788
0600 NMO Honolulu HI: High Seas Forecasts - 6501 8764
0930 NMN Chesapeake VA: Offshore Forecasts - 4426 6501 8764
NMG New Orleans LA: Offshore Forecasts - 4316 8502 12788
NRV Guam: High Seas Broadcasts - 6501
1030 NMC Point Reyes CA: High Seas Forecasts - 4426 8764 13089
1115 NMN Chesapeake VA: High Seas Forecasts - 6501 8764 13089
NMG New Orleans LA: High Seas Forecasts - 4316 8502 12788
1200 NMO Honolulu HI: High Seas Forecasts - 6501 8764
1530 NMN Chesapeake VA: Offshore Forecasts - 6501 8764 13089
NMG New Orleans LA: Offshore Forecasts - 4316 8502 12788
NRV Guam: High Seas Broadcasts - 6501
1630 NMC Point Reyes CA: High Seas Forecasts - 8764 13089 17314
1645 NOJ Kodiak AK: High Seas Forecats - 6501
1715 NMN Chesapeake VA: High Seas Forecasts - 6501 8764 13089 17314
NMG New Orleans LA: High Seas Forecasts - 4316 8502 12788
1800 NMO Honolulu HI: High Seas Forecasts - 8764 13089
2130 NMN Chesapeake VA: Offshore Forecasts - 6501 8764 13089
NMG New Orleans LA: Offshore Forecasts - 4316 8502 12788
NRV Guam: High Seas Broadcasts - 13089
2230 NMC Point Reyes CA: High Seas Forecasts - 8764 13089 17314
2315 NMN Chesapeake VA: High Seas Forecasts - 6501 8764 13089
NMG New Orleans LA: High Seas Forecasts - 4316 8502 12788
HF voice broadcasts may be terminated if longer than the available broadcast period. This will most likely occur during the hurricane season when supplementary advisories are broadcast in addition to the routine forecasts. Carrier frequencies are shown. HF voice broadcasts use a synthesized voice "Iron Mike" and use USB mode. ITU channel numbers as follows: 4426 kHz (#424), 6501 kHz (#601), 8764 kHz (#816), 13089 kHz (#1205), 17314 kHz (#1625). Note that stations share common frequencies.
