2005 yamaha 115 problem

New to boating and need help. I have used it 6 or 7 times this month with no problems. spent a morn on the lake still fine, whent to cross lake and when i advance the throttle it bogs down and almost dies. once i get past that point it will plane out and run great. just bad as soon as you start to addvance. any ideas

[boats.net]

Check fuel filters(look for water or trash) and check spark plugs.