Unless you're growing from cuts of the same plant that runs about 10 weeks, that time frame doesn't mean a whole lot. Different genetics follow different timeliness.
It looks like they're foxtailing. I don't know enough about the Caribbean to have suggestions as to why that would be, but usually it's excess light and heat or genetics. That looks like genetic foxtailing, but I can't be certain.
I think you're weeks out from harvest, but if they just keep shooting new calyx and pistils, and you're confident the plant is ripe below the new growth, then chop away whenever you're ready.