These Amateur Radio frequencies are known to be in use or are available for use during the response to Hurricane Matthew. Please avoid interfering with these frequencies, and do not check into any emergency nets unless you genuinely have something of importance to contribute.
Northern Florida ARES Net: 3.950 or 7.252 MHz
International SATERN Net: 14.265 MHz (USB) Health & Welfare Traffic
Hurricane Watch Net (HWN): 14.325 MHz (USB), 7.268 MHz (LSB): Weather data and storm reports from stations in affected area
Also posted as an update on the forum at: