Look at this amazing map for checking your hurricane zones:
https://memamaps.maps.arcgis.com/home/webmap/templ...Opaque coloring definitely the right choice here.
If you actually want maps that can be read, then here:
https://drive.google.com/drive/folders/0B5nTDl9asW...We just found out we live in Zone A (as do most people in Boston) and are guessing that's why we were refused insurance from national companies. The local ones didn't care, presumably because they wouldn't be able to ensure any multimillion dollar Back Bay apartments if that were the case! We're not in a FEMA insurance zone and had checked sea level rise maps, so we were a bit surprised to discover that we are Evacuation Zone A while our neighbors across the street are B!