The Grand Fourteen

I know who the grand fourteen are :

The Grand Fourteen

• Bremerton Yacht Club 
• Day Island Yacht Club
• Edmonds Yacht Club*
• Everett Yacht Club
• Gig Harbor Yacht Club*
• Meydenbauer Bay Yacht
• Olympia Yacht Club
• Port Orchard Yacht Club*
• Poulsbo Yacht Club*
• Queen City Yacht Club
• Rainier Yacht Club
• Seattle Yacht Club
• Tacoma Yacht Club
• TYEE Yacht Club

 * Not Founding members of the Puget Sound InterClub later RBAW

 but I'm curious when  why and how this association / group was formed?