Can you scuba dive in Puget Sound?
Can you scuba dive in Puget Sound? The water temperature in the Puget Sound ranges from about 45-55 degrees Fahrenheit. Diving is possible here year-round. In fall and winter, when the algae is dormant, visibility is at its best; yet during summer, with 16 hours of daylight, you can experience amazing 18-hour-long diving days.