I once made a trip to Lake Roosevelt. Looking for walleye, trout and smallmouths. Got the boat in, and started to rig fly rods and....no reels. I had left the bag with the reels sitting in the hallway 4 hours away. Easy to do.
I fish nearby where you will be at. I use a weighted crab type fly (or something like a shad jig) and work the outflows where the return flows breach the sand bar. Bring a stripping basket. And I use a high density line as it feels easier to control in the surf.