its even better when you have a marine radio to listen to for when something happens you can hear it in stead of a scanner,For as if you have a family member in the waters that have an extra radio ,Any body need one ,letme know i cn get ya one,already programed..
If you're really into HF military monitoring (and yes, that includes USCG) you should join the Worldwide utility news club (WUN); it's free to subscribe. Here's the URL:
You'll get much more up to date information from the members here, rather than trying to rely on lists of unknown accuracy. The Milcom list at qth.net is another really good place to watch.