Originally Posted by SteveInMD
The rule on strobes is different for US vs international waters. I think an strobe is okay for international distress.
I'm not an expert on this question, but take a look at Rule 36 and Rule 37. They seem to suggest that exactly the opposite is the case, i.e. the strobe is only permitted as an emergency signal on Inland Waters of the US:
Light Signals - Stobes