Surviving powerful (Cat4) Tropical Cyclone Debbie, by sheltering in the mangroves of The Whitsunday Islands! Ever heard the old mariners tale, that to survive a Tropical Cyclone you should seek shelter up a creek in the mangroves? That's what we did. Here's our story... Weather Map of TC Debbie sitting of the Whitsunday Coast. 27 April, 2017. We have been sailing Australia's Far North Queensland waters - a region prone to Tropical Cyclones during the months of November