The Wisconsin Maritime Museum is open 9am ~ 5pm, 7 days a week. Submarine tours are conducted daily from approximately 9:30am to 4:00pm. Tours are available throughout the day as needed, and are offered seven days a week, weather permitting, throughout the year. Tour times vary by season. Allow three to four hours to fully explore both the Museum and tour USS Cobia. Group tours are available anytime with an advance reservation.