Happy Marsh March!
It is #EnigMarch,
and each day the excellent EnigMarch people post a prompt word;
then puzzle nerds try to design puzzles around that word.
(Today's word is wave.)
The Marshall Islands are in a remote part of the Pacific Ocean. If you're sailing/rowing there, you really don't want to miss, or else you can find yourself in the middle of nowhere, short on supplies. These islands are low atolls; they don't stick up very high. (Maybe you saw a viral video some weeks back with a wave of water bursting through doors to swamp a room at a US Army base? That was at the Marshall Islands.) This low-ness means that if you're rowing/sailing there, you might be kinda-close, but still not be able to see an island over the horizon.
Thus, back in the days before GPS, anyone who wanted to settle in the Marshall Islands, occasionally sail out for an excursion and find their way back and not die had to be super-good at navigating. Thus the Marshall Islands are the last place on earth where there's still traditional knowledge of wave piloting, navigating by feeling the waves.
In wave piloting a navigator pays attention to the waves that toss and turn their boat. When I, an ignorant city slicker, look out at ocean waves, I just see a confusing mess of motion. But a skilled wave pilot figures out something like "Most of these waves are going from east to west; but some of them are coming from from an angle off that-a-way. Therefore, there must be an island off over the horizon that-a-way that these waves are bouncing off."
With that in mind, see if you can figure out this four-word phrase based on the waves radiating off it:
I have no idea how to hint this one, sorry. I bet it's either totally easy or impossible, but I'm not sure which.
Solution, rot13'd:
Gur zrffntr vf onfx va ersyrpgrq tybel.