Join former park manager Jack Hartt to learn about tides and how they affect our everyday lives! Jack Hartt will present his talk titled, “Tides” at the West Beach Shelter on Thursday, April 28th from 7:00 – 8:00 PM. Join us to learn about how tides work, how they affect our lives, the currents at Deception Pass, and why West Beach is sandy and Rosario is not.