Don't want to steal the thread just stay with subject matter and guybrush can benefit also.
Guy would love to see photos. And congratulations on moving forward. I be the fish won't notice and the boat won't care, it will be too busy sayin" Weeeeeeeeeeee......"
po-man FWIW we are still in the Homeport Relocation phase, the Lugger is still in FLorida but in the queue to roll North next, that's why she's getting a new cover. Fit the bow today, transom next.
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Sorry. I dropped off to sleep in the middle of my answer!
I've seen this. I suspect the bubbles are caused because the internal wood grain is "outgassing" from last night's cooler temperatures. You might avoid this experience by storing the boards in a warmer, dryer place before applying finishes.
Did I mention to use slow-set hardener?
One other thing to check is how you mixed the epoxy?