it's a really small storm, but the track is looking really good right now. The big variable right now is the wind shear environment, and that is what most hurricane forecasters are having the toughest time with right now - determining how much the wind shear will influence Bertha over the next several days.
In any case, if the track stays true, and we see a hurricane strength storm, then we should see some fun waves.
Another formula to use is H=V(d+p)/Gs(w) where H is the swell height and Gs is the projected ground swell hieght this quartic equation works for most hurricanes and tropical depressions. D is the distance from land and W is the wind speed in kilometers per hour. P is the period of swell. I used this equation and plugged in all the numbers for T.D. Micah and it looks like we can look for 125 foot waves around 20 seconds. Depending on tides and wind, actuall wave faces could could grow exponentially to around 200-250 feet! so it wont be to big, it might be big enough for short board but idk? But DEfinitely good beginner waves fo sho?