Answer: Red tides are a natural phenomenon caused by an increase in the amount of nutrients that algae need usually due to farm runoff. When the amount of nutrients reaches a certain level there is a significant increase in Karenia Brevis algae. Many also believe that red tides occur when there is a combination of very high temperatures, wind, and rainfall.
Answer: Tide tables tell boaters whether there will be enough water to navigate in. They tell you when high tide is or Low tide. If your boat requires three feet of water to operate and at low tide there is only two feet the boater has to wait until the tide comes in.