Ontwreckdiver
Contributor
Try desending in freezing cold green pea soup without seeing the bottom until you are only about 5 feet away along withUnpredictable weather and 5 to 6 foot waves appear that within minutes.The Great lakes are one of the toughest enviorments to diveAdding one example. I've seen a highly experienced Great Lakes wreck technical diver unable to smoothly handle a blue water ascent on an ocean drift dive. You can be a rock star in one environment, but change environments significantly, and you are in many ways a newby all over again.